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authorMatt Macy <mmacy@FreeBSD.org>2020-08-24 22:48:19 +0000
committerMatt Macy <mmacy@FreeBSD.org>2020-08-24 22:48:19 +0000
commit3b0ce0e28db46d0403929aba45c682285e1ac217 (patch)
tree91721e6e5518bd0d8113dee535898f2225443411 /cmd/zpool/zpool_main.c
downloadsrc-3b0ce0e28db46d0403929aba45c682285e1ac217.tar.gz
src-3b0ce0e28db46d0403929aba45c682285e1ac217.zip
Vendor import of openzfs master @ 184df27eef0abdc7ab2105b21257f753834b936bvendor/openzfs/2.0-rc0-g184df27
Sponsored by: iX Systems, Inc.
Notes
Notes: svn path=/vendor-sys/openzfs/dist/; revision=364736 svn path=/vendor-sys/openzfs/2.0-rc0-g184df27/; revision=364741; tag=vendor/openzfs/2.0-rc0-g184df27
Diffstat (limited to 'cmd/zpool/zpool_main.c')
-rw-r--r--cmd/zpool/zpool_main.c10326
1 files changed, 10326 insertions, 0 deletions
diff --git a/cmd/zpool/zpool_main.c b/cmd/zpool/zpool_main.c
new file mode 100644
index 000000000000..f3756a5d9547
--- /dev/null
+++ b/cmd/zpool/zpool_main.c
@@ -0,0 +1,10326 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright 2011 Nexenta Systems, Inc. All rights reserved.
+ * Copyright (c) 2011, 2020 by Delphix. All rights reserved.
+ * Copyright (c) 2012 by Frederik Wessels. All rights reserved.
+ * Copyright (c) 2012 by Cyril Plisko. All rights reserved.
+ * Copyright (c) 2013 by Prasad Joshi (sTec). All rights reserved.
+ * Copyright 2016 Igor Kozhukhov <ikozhukhov@gmail.com>.
+ * Copyright (c) 2017 Datto Inc.
+ * Copyright (c) 2017 Open-E, Inc. All Rights Reserved.
+ * Copyright (c) 2017, Intel Corporation.
+ * Copyright (c) 2019, loli10K <ezomori.nozomu@gmail.com>
+ */
+
+#include <assert.h>
+#include <ctype.h>
+#include <dirent.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <getopt.h>
+#include <libgen.h>
+#include <libintl.h>
+#include <libuutil.h>
+#include <locale.h>
+#include <pthread.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <strings.h>
+#include <time.h>
+#include <unistd.h>
+#include <pwd.h>
+#include <zone.h>
+#include <sys/wait.h>
+#include <zfs_prop.h>
+#include <sys/fs/zfs.h>
+#include <sys/stat.h>
+#include <sys/systeminfo.h>
+#include <sys/fm/fs/zfs.h>
+#include <sys/fm/util.h>
+#include <sys/fm/protocol.h>
+#include <sys/zfs_ioctl.h>
+#include <sys/mount.h>
+#include <sys/sysmacros.h>
+
+#include <math.h>
+
+#include <libzfs.h>
+#include <libzutil.h>
+
+#include "zpool_util.h"
+#include "zfs_comutil.h"
+#include "zfeature_common.h"
+
+#include "statcommon.h"
+
+libzfs_handle_t *g_zfs;
+
+static int zpool_do_create(int, char **);
+static int zpool_do_destroy(int, char **);
+
+static int zpool_do_add(int, char **);
+static int zpool_do_remove(int, char **);
+static int zpool_do_labelclear(int, char **);
+
+static int zpool_do_checkpoint(int, char **);
+
+static int zpool_do_list(int, char **);
+static int zpool_do_iostat(int, char **);
+static int zpool_do_status(int, char **);
+
+static int zpool_do_online(int, char **);
+static int zpool_do_offline(int, char **);
+static int zpool_do_clear(int, char **);
+static int zpool_do_reopen(int, char **);
+
+static int zpool_do_reguid(int, char **);
+
+static int zpool_do_attach(int, char **);
+static int zpool_do_detach(int, char **);
+static int zpool_do_replace(int, char **);
+static int zpool_do_split(int, char **);
+
+static int zpool_do_initialize(int, char **);
+static int zpool_do_scrub(int, char **);
+static int zpool_do_resilver(int, char **);
+static int zpool_do_trim(int, char **);
+
+static int zpool_do_import(int, char **);
+static int zpool_do_export(int, char **);
+
+static int zpool_do_upgrade(int, char **);
+
+static int zpool_do_history(int, char **);
+static int zpool_do_events(int, char **);
+
+static int zpool_do_get(int, char **);
+static int zpool_do_set(int, char **);
+
+static int zpool_do_sync(int, char **);
+
+static int zpool_do_version(int, char **);
+
+static int zpool_do_wait(int, char **);
+
+/*
+ * These libumem hooks provide a reasonable set of defaults for the allocator's
+ * debugging facilities.
+ */
+
+#ifdef DEBUG
+const char *
+_umem_debug_init(void)
+{
+ return ("default,verbose"); /* $UMEM_DEBUG setting */
+}
+
+const char *
+_umem_logging_init(void)
+{
+ return ("fail,contents"); /* $UMEM_LOGGING setting */
+}
+#endif
+
+typedef enum {
+ HELP_ADD,
+ HELP_ATTACH,
+ HELP_CLEAR,
+ HELP_CREATE,
+ HELP_CHECKPOINT,
+ HELP_DESTROY,
+ HELP_DETACH,
+ HELP_EXPORT,
+ HELP_HISTORY,
+ HELP_IMPORT,
+ HELP_IOSTAT,
+ HELP_LABELCLEAR,
+ HELP_LIST,
+ HELP_OFFLINE,
+ HELP_ONLINE,
+ HELP_REPLACE,
+ HELP_REMOVE,
+ HELP_INITIALIZE,
+ HELP_SCRUB,
+ HELP_RESILVER,
+ HELP_TRIM,
+ HELP_STATUS,
+ HELP_UPGRADE,
+ HELP_EVENTS,
+ HELP_GET,
+ HELP_SET,
+ HELP_SPLIT,
+ HELP_SYNC,
+ HELP_REGUID,
+ HELP_REOPEN,
+ HELP_VERSION,
+ HELP_WAIT
+} zpool_help_t;
+
+
+/*
+ * Flags for stats to display with "zpool iostats"
+ */
+enum iostat_type {
+ IOS_DEFAULT = 0,
+ IOS_LATENCY = 1,
+ IOS_QUEUES = 2,
+ IOS_L_HISTO = 3,
+ IOS_RQ_HISTO = 4,
+ IOS_COUNT, /* always last element */
+};
+
+/* iostat_type entries as bitmasks */
+#define IOS_DEFAULT_M (1ULL << IOS_DEFAULT)
+#define IOS_LATENCY_M (1ULL << IOS_LATENCY)
+#define IOS_QUEUES_M (1ULL << IOS_QUEUES)
+#define IOS_L_HISTO_M (1ULL << IOS_L_HISTO)
+#define IOS_RQ_HISTO_M (1ULL << IOS_RQ_HISTO)
+
+/* Mask of all the histo bits */
+#define IOS_ANYHISTO_M (IOS_L_HISTO_M | IOS_RQ_HISTO_M)
+
+/*
+ * Lookup table for iostat flags to nvlist names. Basically a list
+ * of all the nvlists a flag requires. Also specifies the order in
+ * which data gets printed in zpool iostat.
+ */
+static const char *vsx_type_to_nvlist[IOS_COUNT][13] = {
+ [IOS_L_HISTO] = {
+ ZPOOL_CONFIG_VDEV_TOT_R_LAT_HISTO,
+ ZPOOL_CONFIG_VDEV_TOT_W_LAT_HISTO,
+ ZPOOL_CONFIG_VDEV_DISK_R_LAT_HISTO,
+ ZPOOL_CONFIG_VDEV_DISK_W_LAT_HISTO,
+ ZPOOL_CONFIG_VDEV_SYNC_R_LAT_HISTO,
+ ZPOOL_CONFIG_VDEV_SYNC_W_LAT_HISTO,
+ ZPOOL_CONFIG_VDEV_ASYNC_R_LAT_HISTO,
+ ZPOOL_CONFIG_VDEV_ASYNC_W_LAT_HISTO,
+ ZPOOL_CONFIG_VDEV_SCRUB_LAT_HISTO,
+ ZPOOL_CONFIG_VDEV_TRIM_LAT_HISTO,
+ NULL},
+ [IOS_LATENCY] = {
+ ZPOOL_CONFIG_VDEV_TOT_R_LAT_HISTO,
+ ZPOOL_CONFIG_VDEV_TOT_W_LAT_HISTO,
+ ZPOOL_CONFIG_VDEV_DISK_R_LAT_HISTO,
+ ZPOOL_CONFIG_VDEV_DISK_W_LAT_HISTO,
+ ZPOOL_CONFIG_VDEV_TRIM_LAT_HISTO,
+ NULL},
+ [IOS_QUEUES] = {
+ ZPOOL_CONFIG_VDEV_SYNC_R_ACTIVE_QUEUE,
+ ZPOOL_CONFIG_VDEV_SYNC_W_ACTIVE_QUEUE,
+ ZPOOL_CONFIG_VDEV_ASYNC_R_ACTIVE_QUEUE,
+ ZPOOL_CONFIG_VDEV_ASYNC_W_ACTIVE_QUEUE,
+ ZPOOL_CONFIG_VDEV_SCRUB_ACTIVE_QUEUE,
+ ZPOOL_CONFIG_VDEV_TRIM_ACTIVE_QUEUE,
+ NULL},
+ [IOS_RQ_HISTO] = {
+ ZPOOL_CONFIG_VDEV_SYNC_IND_R_HISTO,
+ ZPOOL_CONFIG_VDEV_SYNC_AGG_R_HISTO,
+ ZPOOL_CONFIG_VDEV_SYNC_IND_W_HISTO,
+ ZPOOL_CONFIG_VDEV_SYNC_AGG_W_HISTO,
+ ZPOOL_CONFIG_VDEV_ASYNC_IND_R_HISTO,
+ ZPOOL_CONFIG_VDEV_ASYNC_AGG_R_HISTO,
+ ZPOOL_CONFIG_VDEV_ASYNC_IND_W_HISTO,
+ ZPOOL_CONFIG_VDEV_ASYNC_AGG_W_HISTO,
+ ZPOOL_CONFIG_VDEV_IND_SCRUB_HISTO,
+ ZPOOL_CONFIG_VDEV_AGG_SCRUB_HISTO,
+ ZPOOL_CONFIG_VDEV_IND_TRIM_HISTO,
+ ZPOOL_CONFIG_VDEV_AGG_TRIM_HISTO,
+ NULL},
+};
+
+
+/*
+ * Given a cb->cb_flags with a histogram bit set, return the iostat_type.
+ * Right now, only one histo bit is ever set at one time, so we can
+ * just do a highbit64(a)
+ */
+#define IOS_HISTO_IDX(a) (highbit64(a & IOS_ANYHISTO_M) - 1)
+
+typedef struct zpool_command {
+ const char *name;
+ int (*func)(int, char **);
+ zpool_help_t usage;
+} zpool_command_t;
+
+/*
+ * Master command table. Each ZFS command has a name, associated function, and
+ * usage message. The usage messages need to be internationalized, so we have
+ * to have a function to return the usage message based on a command index.
+ *
+ * These commands are organized according to how they are displayed in the usage
+ * message. An empty command (one with a NULL name) indicates an empty line in
+ * the generic usage message.
+ */
+static zpool_command_t command_table[] = {
+ { "version", zpool_do_version, HELP_VERSION },
+ { NULL },
+ { "create", zpool_do_create, HELP_CREATE },
+ { "destroy", zpool_do_destroy, HELP_DESTROY },
+ { NULL },
+ { "add", zpool_do_add, HELP_ADD },
+ { "remove", zpool_do_remove, HELP_REMOVE },
+ { NULL },
+ { "labelclear", zpool_do_labelclear, HELP_LABELCLEAR },
+ { NULL },
+ { "checkpoint", zpool_do_checkpoint, HELP_CHECKPOINT },
+ { NULL },
+ { "list", zpool_do_list, HELP_LIST },
+ { "iostat", zpool_do_iostat, HELP_IOSTAT },
+ { "status", zpool_do_status, HELP_STATUS },
+ { NULL },
+ { "online", zpool_do_online, HELP_ONLINE },
+ { "offline", zpool_do_offline, HELP_OFFLINE },
+ { "clear", zpool_do_clear, HELP_CLEAR },
+ { "reopen", zpool_do_reopen, HELP_REOPEN },
+ { NULL },
+ { "attach", zpool_do_attach, HELP_ATTACH },
+ { "detach", zpool_do_detach, HELP_DETACH },
+ { "replace", zpool_do_replace, HELP_REPLACE },
+ { "split", zpool_do_split, HELP_SPLIT },
+ { NULL },
+ { "initialize", zpool_do_initialize, HELP_INITIALIZE },
+ { "resilver", zpool_do_resilver, HELP_RESILVER },
+ { "scrub", zpool_do_scrub, HELP_SCRUB },
+ { "trim", zpool_do_trim, HELP_TRIM },
+ { NULL },
+ { "import", zpool_do_import, HELP_IMPORT },
+ { "export", zpool_do_export, HELP_EXPORT },
+ { "upgrade", zpool_do_upgrade, HELP_UPGRADE },
+ { "reguid", zpool_do_reguid, HELP_REGUID },
+ { NULL },
+ { "history", zpool_do_history, HELP_HISTORY },
+ { "events", zpool_do_events, HELP_EVENTS },
+ { NULL },
+ { "get", zpool_do_get, HELP_GET },
+ { "set", zpool_do_set, HELP_SET },
+ { "sync", zpool_do_sync, HELP_SYNC },
+ { NULL },
+ { "wait", zpool_do_wait, HELP_WAIT },
+};
+
+#define NCOMMAND (ARRAY_SIZE(command_table))
+
+#define VDEV_ALLOC_CLASS_LOGS "logs"
+
+static zpool_command_t *current_command;
+static char history_str[HIS_MAX_RECORD_LEN];
+static boolean_t log_history = B_TRUE;
+static uint_t timestamp_fmt = NODATE;
+
+static const char *
+get_usage(zpool_help_t idx)
+{
+ switch (idx) {
+ case HELP_ADD:
+ return (gettext("\tadd [-fgLnP] [-o property=value] "
+ "<pool> <vdev> ...\n"));
+ case HELP_ATTACH:
+ return (gettext("\tattach [-fsw] [-o property=value] "
+ "<pool> <device> <new-device>\n"));
+ case HELP_CLEAR:
+ return (gettext("\tclear [-nF] <pool> [device]\n"));
+ case HELP_CREATE:
+ return (gettext("\tcreate [-fnd] [-o property=value] ... \n"
+ "\t [-O file-system-property=value] ... \n"
+ "\t [-m mountpoint] [-R root] <pool> <vdev> ...\n"));
+ case HELP_CHECKPOINT:
+ return (gettext("\tcheckpoint [-d [-w]] <pool> ...\n"));
+ case HELP_DESTROY:
+ return (gettext("\tdestroy [-f] <pool>\n"));
+ case HELP_DETACH:
+ return (gettext("\tdetach <pool> <device>\n"));
+ case HELP_EXPORT:
+ return (gettext("\texport [-af] <pool> ...\n"));
+ case HELP_HISTORY:
+ return (gettext("\thistory [-il] [<pool>] ...\n"));
+ case HELP_IMPORT:
+ return (gettext("\timport [-d dir] [-D]\n"
+ "\timport [-o mntopts] [-o property=value] ... \n"
+ "\t [-d dir | -c cachefile] [-D] [-l] [-f] [-m] [-N] "
+ "[-R root] [-F [-n]] -a\n"
+ "\timport [-o mntopts] [-o property=value] ... \n"
+ "\t [-d dir | -c cachefile] [-D] [-l] [-f] [-m] [-N] "
+ "[-R root] [-F [-n]]\n"
+ "\t [--rewind-to-checkpoint] <pool | id> [newpool]\n"));
+ case HELP_IOSTAT:
+ return (gettext("\tiostat [[[-c [script1,script2,...]"
+ "[-lq]]|[-rw]] [-T d | u] [-ghHLpPvy]\n"
+ "\t [[pool ...]|[pool vdev ...]|[vdev ...]]"
+ " [[-n] interval [count]]\n"));
+ case HELP_LABELCLEAR:
+ return (gettext("\tlabelclear [-f] <vdev>\n"));
+ case HELP_LIST:
+ return (gettext("\tlist [-gHLpPv] [-o property[,...]] "
+ "[-T d|u] [pool] ... \n"
+ "\t [interval [count]]\n"));
+ case HELP_OFFLINE:
+ return (gettext("\toffline [-f] [-t] <pool> <device> ...\n"));
+ case HELP_ONLINE:
+ return (gettext("\tonline [-e] <pool> <device> ...\n"));
+ case HELP_REPLACE:
+ return (gettext("\treplace [-fsw] [-o property=value] "
+ "<pool> <device> [new-device]\n"));
+ case HELP_REMOVE:
+ return (gettext("\tremove [-npsw] <pool> <device> ...\n"));
+ case HELP_REOPEN:
+ return (gettext("\treopen [-n] <pool>\n"));
+ case HELP_INITIALIZE:
+ return (gettext("\tinitialize [-c | -s] [-w] <pool> "
+ "[<device> ...]\n"));
+ case HELP_SCRUB:
+ return (gettext("\tscrub [-s | -p] [-w] <pool> ...\n"));
+ case HELP_RESILVER:
+ return (gettext("\tresilver <pool> ...\n"));
+ case HELP_TRIM:
+ return (gettext("\ttrim [-dw] [-r <rate>] [-c | -s] <pool> "
+ "[<device> ...]\n"));
+ case HELP_STATUS:
+ return (gettext("\tstatus [-c [script1,script2,...]] "
+ "[-igLpPstvxD] [-T d|u] [pool] ... \n"
+ "\t [interval [count]]\n"));
+ case HELP_UPGRADE:
+ return (gettext("\tupgrade\n"
+ "\tupgrade -v\n"
+ "\tupgrade [-V version] <-a | pool ...>\n"));
+ case HELP_EVENTS:
+ return (gettext("\tevents [-vHf [pool] | -c]\n"));
+ case HELP_GET:
+ return (gettext("\tget [-Hp] [-o \"all\" | field[,...]] "
+ "<\"all\" | property[,...]> <pool> ...\n"));
+ case HELP_SET:
+ return (gettext("\tset <property=value> <pool> \n"));
+ case HELP_SPLIT:
+ return (gettext("\tsplit [-gLnPl] [-R altroot] [-o mntopts]\n"
+ "\t [-o property=value] <pool> <newpool> "
+ "[<device> ...]\n"));
+ case HELP_REGUID:
+ return (gettext("\treguid <pool>\n"));
+ case HELP_SYNC:
+ return (gettext("\tsync [pool] ...\n"));
+ case HELP_VERSION:
+ return (gettext("\tversion\n"));
+ case HELP_WAIT:
+ return (gettext("\twait [-Hp] [-T d|u] [-t <activity>[,...]] "
+ "<pool> [interval]\n"));
+ }
+
+ abort();
+ /* NOTREACHED */
+}
+
+static void
+zpool_collect_leaves(zpool_handle_t *zhp, nvlist_t *nvroot, nvlist_t *res)
+{
+ uint_t children = 0;
+ nvlist_t **child;
+ uint_t i;
+
+ (void) nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_CHILDREN,
+ &child, &children);
+
+ if (children == 0) {
+ char *path = zpool_vdev_name(g_zfs, zhp, nvroot,
+ VDEV_NAME_PATH);
+
+ if (strcmp(path, VDEV_TYPE_INDIRECT) != 0 &&
+ strcmp(path, VDEV_TYPE_HOLE) != 0)
+ fnvlist_add_boolean(res, path);
+
+ free(path);
+ return;
+ }
+
+ for (i = 0; i < children; i++) {
+ zpool_collect_leaves(zhp, child[i], res);
+ }
+}
+
+/*
+ * Callback routine that will print out a pool property value.
+ */
+static int
+print_prop_cb(int prop, void *cb)
+{
+ FILE *fp = cb;
+
+ (void) fprintf(fp, "\t%-19s ", zpool_prop_to_name(prop));
+
+ if (zpool_prop_readonly(prop))
+ (void) fprintf(fp, " NO ");
+ else
+ (void) fprintf(fp, " YES ");
+
+ if (zpool_prop_values(prop) == NULL)
+ (void) fprintf(fp, "-\n");
+ else
+ (void) fprintf(fp, "%s\n", zpool_prop_values(prop));
+
+ return (ZPROP_CONT);
+}
+
+/*
+ * Display usage message. If we're inside a command, display only the usage for
+ * that command. Otherwise, iterate over the entire command table and display
+ * a complete usage message.
+ */
+static void
+usage(boolean_t requested)
+{
+ FILE *fp = requested ? stdout : stderr;
+
+ if (current_command == NULL) {
+ int i;
+
+ (void) fprintf(fp, gettext("usage: zpool command args ...\n"));
+ (void) fprintf(fp,
+ gettext("where 'command' is one of the following:\n\n"));
+
+ for (i = 0; i < NCOMMAND; i++) {
+ if (command_table[i].name == NULL)
+ (void) fprintf(fp, "\n");
+ else
+ (void) fprintf(fp, "%s",
+ get_usage(command_table[i].usage));
+ }
+ } else {
+ (void) fprintf(fp, gettext("usage:\n"));
+ (void) fprintf(fp, "%s", get_usage(current_command->usage));
+ }
+
+ if (current_command != NULL &&
+ ((strcmp(current_command->name, "set") == 0) ||
+ (strcmp(current_command->name, "get") == 0) ||
+ (strcmp(current_command->name, "list") == 0))) {
+
+ (void) fprintf(fp,
+ gettext("\nthe following properties are supported:\n"));
+
+ (void) fprintf(fp, "\n\t%-19s %s %s\n\n",
+ "PROPERTY", "EDIT", "VALUES");
+
+ /* Iterate over all properties */
+ (void) zprop_iter(print_prop_cb, fp, B_FALSE, B_TRUE,
+ ZFS_TYPE_POOL);
+
+ (void) fprintf(fp, "\t%-19s ", "feature@...");
+ (void) fprintf(fp, "YES disabled | enabled | active\n");
+
+ (void) fprintf(fp, gettext("\nThe feature@ properties must be "
+ "appended with a feature name.\nSee zpool-features(5).\n"));
+ }
+
+ /*
+ * See comments at end of main().
+ */
+ if (getenv("ZFS_ABORT") != NULL) {
+ (void) printf("dumping core by request\n");
+ abort();
+ }
+
+ exit(requested ? 0 : 2);
+}
+
+/*
+ * zpool initialize [-c | -s] [-w] <pool> [<vdev> ...]
+ * Initialize all unused blocks in the specified vdevs, or all vdevs in the pool
+ * if none specified.
+ *
+ * -c Cancel. Ends active initializing.
+ * -s Suspend. Initializing can then be restarted with no flags.
+ * -w Wait. Blocks until initializing has completed.
+ */
+int
+zpool_do_initialize(int argc, char **argv)
+{
+ int c;
+ char *poolname;
+ zpool_handle_t *zhp;
+ nvlist_t *vdevs;
+ int err = 0;
+ boolean_t wait = B_FALSE;
+
+ struct option long_options[] = {
+ {"cancel", no_argument, NULL, 'c'},
+ {"suspend", no_argument, NULL, 's'},
+ {"wait", no_argument, NULL, 'w'},
+ {0, 0, 0, 0}
+ };
+
+ pool_initialize_func_t cmd_type = POOL_INITIALIZE_START;
+ while ((c = getopt_long(argc, argv, "csw", long_options, NULL)) != -1) {
+ switch (c) {
+ case 'c':
+ if (cmd_type != POOL_INITIALIZE_START &&
+ cmd_type != POOL_INITIALIZE_CANCEL) {
+ (void) fprintf(stderr, gettext("-c cannot be "
+ "combined with other options\n"));
+ usage(B_FALSE);
+ }
+ cmd_type = POOL_INITIALIZE_CANCEL;
+ break;
+ case 's':
+ if (cmd_type != POOL_INITIALIZE_START &&
+ cmd_type != POOL_INITIALIZE_SUSPEND) {
+ (void) fprintf(stderr, gettext("-s cannot be "
+ "combined with other options\n"));
+ usage(B_FALSE);
+ }
+ cmd_type = POOL_INITIALIZE_SUSPEND;
+ break;
+ case 'w':
+ wait = B_TRUE;
+ break;
+ case '?':
+ if (optopt != 0) {
+ (void) fprintf(stderr,
+ gettext("invalid option '%c'\n"), optopt);
+ } else {
+ (void) fprintf(stderr,
+ gettext("invalid option '%s'\n"),
+ argv[optind - 1]);
+ }
+ usage(B_FALSE);
+ }
+ }
+
+ argc -= optind;
+ argv += optind;
+
+ if (argc < 1) {
+ (void) fprintf(stderr, gettext("missing pool name argument\n"));
+ usage(B_FALSE);
+ return (-1);
+ }
+
+ if (wait && (cmd_type != POOL_INITIALIZE_START)) {
+ (void) fprintf(stderr, gettext("-w cannot be used with -c or "
+ "-s\n"));
+ usage(B_FALSE);
+ }
+
+ poolname = argv[0];
+ zhp = zpool_open(g_zfs, poolname);
+ if (zhp == NULL)
+ return (-1);
+
+ vdevs = fnvlist_alloc();
+ if (argc == 1) {
+ /* no individual leaf vdevs specified, so add them all */
+ nvlist_t *config = zpool_get_config(zhp, NULL);
+ nvlist_t *nvroot = fnvlist_lookup_nvlist(config,
+ ZPOOL_CONFIG_VDEV_TREE);
+ zpool_collect_leaves(zhp, nvroot, vdevs);
+ } else {
+ for (int i = 1; i < argc; i++) {
+ fnvlist_add_boolean(vdevs, argv[i]);
+ }
+ }
+
+ if (wait)
+ err = zpool_initialize_wait(zhp, cmd_type, vdevs);
+ else
+ err = zpool_initialize(zhp, cmd_type, vdevs);
+
+ fnvlist_free(vdevs);
+ zpool_close(zhp);
+
+ return (err);
+}
+
+/*
+ * print a pool vdev config for dry runs
+ */
+static void
+print_vdev_tree(zpool_handle_t *zhp, const char *name, nvlist_t *nv, int indent,
+ const char *match, int name_flags)
+{
+ nvlist_t **child;
+ uint_t c, children;
+ char *vname;
+ boolean_t printed = B_FALSE;
+
+ if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN,
+ &child, &children) != 0) {
+ if (name != NULL)
+ (void) printf("\t%*s%s\n", indent, "", name);
+ return;
+ }
+
+ for (c = 0; c < children; c++) {
+ uint64_t is_log = B_FALSE;
+ char *class = "";
+
+ (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG,
+ &is_log);
+ if (is_log)
+ class = VDEV_ALLOC_BIAS_LOG;
+ (void) nvlist_lookup_string(child[c],
+ ZPOOL_CONFIG_ALLOCATION_BIAS, &class);
+ if (strcmp(match, class) != 0)
+ continue;
+
+ if (!printed && name != NULL) {
+ (void) printf("\t%*s%s\n", indent, "", name);
+ printed = B_TRUE;
+ }
+ vname = zpool_vdev_name(g_zfs, zhp, child[c], name_flags);
+ print_vdev_tree(zhp, vname, child[c], indent + 2, "",
+ name_flags);
+ free(vname);
+ }
+}
+
+static boolean_t
+prop_list_contains_feature(nvlist_t *proplist)
+{
+ nvpair_t *nvp;
+ for (nvp = nvlist_next_nvpair(proplist, NULL); NULL != nvp;
+ nvp = nvlist_next_nvpair(proplist, nvp)) {
+ if (zpool_prop_feature(nvpair_name(nvp)))
+ return (B_TRUE);
+ }
+ return (B_FALSE);
+}
+
+/*
+ * Add a property pair (name, string-value) into a property nvlist.
+ */
+static int
+add_prop_list(const char *propname, char *propval, nvlist_t **props,
+ boolean_t poolprop)
+{
+ zpool_prop_t prop = ZPOOL_PROP_INVAL;
+ nvlist_t *proplist;
+ const char *normnm;
+ char *strval;
+
+ if (*props == NULL &&
+ nvlist_alloc(props, NV_UNIQUE_NAME, 0) != 0) {
+ (void) fprintf(stderr,
+ gettext("internal error: out of memory\n"));
+ return (1);
+ }
+
+ proplist = *props;
+
+ if (poolprop) {
+ const char *vname = zpool_prop_to_name(ZPOOL_PROP_VERSION);
+
+ if ((prop = zpool_name_to_prop(propname)) == ZPOOL_PROP_INVAL &&
+ !zpool_prop_feature(propname)) {
+ (void) fprintf(stderr, gettext("property '%s' is "
+ "not a valid pool property\n"), propname);
+ return (2);
+ }
+
+ /*
+ * feature@ properties and version should not be specified
+ * at the same time.
+ */
+ if ((prop == ZPOOL_PROP_INVAL && zpool_prop_feature(propname) &&
+ nvlist_exists(proplist, vname)) ||
+ (prop == ZPOOL_PROP_VERSION &&
+ prop_list_contains_feature(proplist))) {
+ (void) fprintf(stderr, gettext("'feature@' and "
+ "'version' properties cannot be specified "
+ "together\n"));
+ return (2);
+ }
+
+
+ if (zpool_prop_feature(propname))
+ normnm = propname;
+ else
+ normnm = zpool_prop_to_name(prop);
+ } else {
+ zfs_prop_t fsprop = zfs_name_to_prop(propname);
+
+ if (zfs_prop_valid_for_type(fsprop, ZFS_TYPE_FILESYSTEM,
+ B_FALSE)) {
+ normnm = zfs_prop_to_name(fsprop);
+ } else if (zfs_prop_user(propname) ||
+ zfs_prop_userquota(propname)) {
+ normnm = propname;
+ } else {
+ (void) fprintf(stderr, gettext("property '%s' is "
+ "not a valid filesystem property\n"), propname);
+ return (2);
+ }
+ }
+
+ if (nvlist_lookup_string(proplist, normnm, &strval) == 0 &&
+ prop != ZPOOL_PROP_CACHEFILE) {
+ (void) fprintf(stderr, gettext("property '%s' "
+ "specified multiple times\n"), propname);
+ return (2);
+ }
+
+ if (nvlist_add_string(proplist, normnm, propval) != 0) {
+ (void) fprintf(stderr, gettext("internal "
+ "error: out of memory\n"));
+ return (1);
+ }
+
+ return (0);
+}
+
+/*
+ * Set a default property pair (name, string-value) in a property nvlist
+ */
+static int
+add_prop_list_default(const char *propname, char *propval, nvlist_t **props,
+ boolean_t poolprop)
+{
+ char *pval;
+
+ if (nvlist_lookup_string(*props, propname, &pval) == 0)
+ return (0);
+
+ return (add_prop_list(propname, propval, props, B_TRUE));
+}
+
+/*
+ * zpool add [-fgLnP] [-o property=value] <pool> <vdev> ...
+ *
+ * -f Force addition of devices, even if they appear in use
+ * -g Display guid for individual vdev name.
+ * -L Follow links when resolving vdev path name.
+ * -n Do not add the devices, but display the resulting layout if
+ * they were to be added.
+ * -o Set property=value.
+ * -P Display full path for vdev name.
+ *
+ * Adds the given vdevs to 'pool'. As with create, the bulk of this work is
+ * handled by make_root_vdev(), which constructs the nvlist needed to pass to
+ * libzfs.
+ */
+int
+zpool_do_add(int argc, char **argv)
+{
+ boolean_t force = B_FALSE;
+ boolean_t dryrun = B_FALSE;
+ int name_flags = 0;
+ int c;
+ nvlist_t *nvroot;
+ char *poolname;
+ int ret;
+ zpool_handle_t *zhp;
+ nvlist_t *config;
+ nvlist_t *props = NULL;
+ char *propval;
+
+ /* check options */
+ while ((c = getopt(argc, argv, "fgLno:P")) != -1) {
+ switch (c) {
+ case 'f':
+ force = B_TRUE;
+ break;
+ case 'g':
+ name_flags |= VDEV_NAME_GUID;
+ break;
+ case 'L':
+ name_flags |= VDEV_NAME_FOLLOW_LINKS;
+ break;
+ case 'n':
+ dryrun = B_TRUE;
+ break;
+ case 'o':
+ if ((propval = strchr(optarg, '=')) == NULL) {
+ (void) fprintf(stderr, gettext("missing "
+ "'=' for -o option\n"));
+ usage(B_FALSE);
+ }
+ *propval = '\0';
+ propval++;
+
+ if ((strcmp(optarg, ZPOOL_CONFIG_ASHIFT) != 0) ||
+ (add_prop_list(optarg, propval, &props, B_TRUE)))
+ usage(B_FALSE);
+ break;
+ case 'P':
+ name_flags |= VDEV_NAME_PATH;
+ break;
+ case '?':
+ (void) fprintf(stderr, gettext("invalid option '%c'\n"),
+ optopt);
+ usage(B_FALSE);
+ }
+ }
+
+ argc -= optind;
+ argv += optind;
+
+ /* get pool name and check number of arguments */
+ if (argc < 1) {
+ (void) fprintf(stderr, gettext("missing pool name argument\n"));
+ usage(B_FALSE);
+ }
+ if (argc < 2) {
+ (void) fprintf(stderr, gettext("missing vdev specification\n"));
+ usage(B_FALSE);
+ }
+
+ poolname = argv[0];
+
+ argc--;
+ argv++;
+
+ if ((zhp = zpool_open(g_zfs, poolname)) == NULL)
+ return (1);
+
+ if ((config = zpool_get_config(zhp, NULL)) == NULL) {
+ (void) fprintf(stderr, gettext("pool '%s' is unavailable\n"),
+ poolname);
+ zpool_close(zhp);
+ return (1);
+ }
+
+ /* unless manually specified use "ashift" pool property (if set) */
+ if (!nvlist_exists(props, ZPOOL_CONFIG_ASHIFT)) {
+ int intval;
+ zprop_source_t src;
+ char strval[ZPOOL_MAXPROPLEN];
+
+ intval = zpool_get_prop_int(zhp, ZPOOL_PROP_ASHIFT, &src);
+ if (src != ZPROP_SRC_DEFAULT) {
+ (void) sprintf(strval, "%" PRId32, intval);
+ verify(add_prop_list(ZPOOL_CONFIG_ASHIFT, strval,
+ &props, B_TRUE) == 0);
+ }
+ }
+
+ /* pass off to make_root_vdev for processing */
+ nvroot = make_root_vdev(zhp, props, force, !force, B_FALSE, dryrun,
+ argc, argv);
+ if (nvroot == NULL) {
+ zpool_close(zhp);
+ return (1);
+ }
+
+ if (dryrun) {
+ nvlist_t *poolnvroot;
+ nvlist_t **l2child;
+ uint_t l2children, c;
+ char *vname;
+ boolean_t hadcache = B_FALSE;
+
+ verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE,
+ &poolnvroot) == 0);
+
+ (void) printf(gettext("would update '%s' to the following "
+ "configuration:\n"), zpool_get_name(zhp));
+
+ /* print original main pool and new tree */
+ print_vdev_tree(zhp, poolname, poolnvroot, 0, "",
+ name_flags | VDEV_NAME_TYPE_ID);
+ print_vdev_tree(zhp, NULL, nvroot, 0, "", name_flags);
+
+ /* print other classes: 'dedup', 'special', and 'log' */
+ if (zfs_special_devs(poolnvroot, VDEV_ALLOC_BIAS_DEDUP)) {
+ print_vdev_tree(zhp, "dedup", poolnvroot, 0,
+ VDEV_ALLOC_BIAS_DEDUP, name_flags);
+ print_vdev_tree(zhp, NULL, nvroot, 0,
+ VDEV_ALLOC_BIAS_DEDUP, name_flags);
+ } else if (zfs_special_devs(nvroot, VDEV_ALLOC_BIAS_DEDUP)) {
+ print_vdev_tree(zhp, "dedup", nvroot, 0,
+ VDEV_ALLOC_BIAS_DEDUP, name_flags);
+ }
+
+ if (zfs_special_devs(poolnvroot, VDEV_ALLOC_BIAS_SPECIAL)) {
+ print_vdev_tree(zhp, "special", poolnvroot, 0,
+ VDEV_ALLOC_BIAS_SPECIAL, name_flags);
+ print_vdev_tree(zhp, NULL, nvroot, 0,
+ VDEV_ALLOC_BIAS_SPECIAL, name_flags);
+ } else if (zfs_special_devs(nvroot, VDEV_ALLOC_BIAS_SPECIAL)) {
+ print_vdev_tree(zhp, "special", nvroot, 0,
+ VDEV_ALLOC_BIAS_SPECIAL, name_flags);
+ }
+
+ if (num_logs(poolnvroot) > 0) {
+ print_vdev_tree(zhp, "logs", poolnvroot, 0,
+ VDEV_ALLOC_BIAS_LOG, name_flags);
+ print_vdev_tree(zhp, NULL, nvroot, 0,
+ VDEV_ALLOC_BIAS_LOG, name_flags);
+ } else if (num_logs(nvroot) > 0) {
+ print_vdev_tree(zhp, "logs", nvroot, 0,
+ VDEV_ALLOC_BIAS_LOG, name_flags);
+ }
+
+ /* Do the same for the caches */
+ if (nvlist_lookup_nvlist_array(poolnvroot, ZPOOL_CONFIG_L2CACHE,
+ &l2child, &l2children) == 0 && l2children) {
+ hadcache = B_TRUE;
+ (void) printf(gettext("\tcache\n"));
+ for (c = 0; c < l2children; c++) {
+ vname = zpool_vdev_name(g_zfs, NULL,
+ l2child[c], name_flags);
+ (void) printf("\t %s\n", vname);
+ free(vname);
+ }
+ }
+ if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_L2CACHE,
+ &l2child, &l2children) == 0 && l2children) {
+ if (!hadcache)
+ (void) printf(gettext("\tcache\n"));
+ for (c = 0; c < l2children; c++) {
+ vname = zpool_vdev_name(g_zfs, NULL,
+ l2child[c], name_flags);
+ (void) printf("\t %s\n", vname);
+ free(vname);
+ }
+ }
+
+ ret = 0;
+ } else {
+ ret = (zpool_add(zhp, nvroot) != 0);
+ }
+
+ nvlist_free(props);
+ nvlist_free(nvroot);
+ zpool_close(zhp);
+
+ return (ret);
+}
+
+/*
+ * zpool remove [-npsw] <pool> <vdev> ...
+ *
+ * Removes the given vdev from the pool.
+ */
+int
+zpool_do_remove(int argc, char **argv)
+{
+ char *poolname;
+ int i, ret = 0;
+ zpool_handle_t *zhp = NULL;
+ boolean_t stop = B_FALSE;
+ int c;
+ boolean_t noop = B_FALSE;
+ boolean_t parsable = B_FALSE;
+ boolean_t wait = B_FALSE;
+
+ /* check options */
+ while ((c = getopt(argc, argv, "npsw")) != -1) {
+ switch (c) {
+ case 'n':
+ noop = B_TRUE;
+ break;
+ case 'p':
+ parsable = B_TRUE;
+ break;
+ case 's':
+ stop = B_TRUE;
+ break;
+ case 'w':
+ wait = B_TRUE;
+ break;
+ case '?':
+ (void) fprintf(stderr, gettext("invalid option '%c'\n"),
+ optopt);
+ usage(B_FALSE);
+ }
+ }
+
+ argc -= optind;
+ argv += optind;
+
+ /* get pool name and check number of arguments */
+ if (argc < 1) {
+ (void) fprintf(stderr, gettext("missing pool name argument\n"));
+ usage(B_FALSE);
+ }
+
+ poolname = argv[0];
+
+ if ((zhp = zpool_open(g_zfs, poolname)) == NULL)
+ return (1);
+
+ if (stop && noop) {
+ (void) fprintf(stderr, gettext("stop request ignored\n"));
+ return (0);
+ }
+
+ if (stop) {
+ if (argc > 1) {
+ (void) fprintf(stderr, gettext("too many arguments\n"));
+ usage(B_FALSE);
+ }
+ if (zpool_vdev_remove_cancel(zhp) != 0)
+ ret = 1;
+ if (wait) {
+ (void) fprintf(stderr, gettext("invalid option "
+ "combination: -w cannot be used with -s\n"));
+ usage(B_FALSE);
+ }
+ } else {
+ if (argc < 2) {
+ (void) fprintf(stderr, gettext("missing device\n"));
+ usage(B_FALSE);
+ }
+
+ for (i = 1; i < argc; i++) {
+ if (noop) {
+ uint64_t size;
+
+ if (zpool_vdev_indirect_size(zhp, argv[i],
+ &size) != 0) {
+ ret = 1;
+ break;
+ }
+ if (parsable) {
+ (void) printf("%s %llu\n",
+ argv[i], (unsigned long long)size);
+ } else {
+ char valstr[32];
+ zfs_nicenum(size, valstr,
+ sizeof (valstr));
+ (void) printf("Memory that will be "
+ "used after removing %s: %s\n",
+ argv[i], valstr);
+ }
+ } else {
+ if (zpool_vdev_remove(zhp, argv[i]) != 0)
+ ret = 1;
+ }
+ }
+
+ if (ret == 0 && wait)
+ ret = zpool_wait(zhp, ZPOOL_WAIT_REMOVE);
+ }
+ zpool_close(zhp);
+
+ return (ret);
+}
+
+/*
+ * zpool labelclear [-f] <vdev>
+ *
+ * -f Force clearing the label for the vdevs which are members of
+ * the exported or foreign pools.
+ *
+ * Verifies that the vdev is not active and zeros out the label information
+ * on the device.
+ */
+int
+zpool_do_labelclear(int argc, char **argv)
+{
+ char vdev[MAXPATHLEN];
+ char *name = NULL;
+ struct stat st;
+ int c, fd = -1, ret = 0;
+ nvlist_t *config;
+ pool_state_t state;
+ boolean_t inuse = B_FALSE;
+ boolean_t force = B_FALSE;
+
+ /* check options */
+ while ((c = getopt(argc, argv, "f")) != -1) {
+ switch (c) {
+ case 'f':
+ force = B_TRUE;
+ break;
+ default:
+ (void) fprintf(stderr, gettext("invalid option '%c'\n"),
+ optopt);
+ usage(B_FALSE);
+ }
+ }
+
+ argc -= optind;
+ argv += optind;
+
+ /* get vdev name */
+ if (argc < 1) {
+ (void) fprintf(stderr, gettext("missing vdev name\n"));
+ usage(B_FALSE);
+ }
+ if (argc > 1) {
+ (void) fprintf(stderr, gettext("too many arguments\n"));
+ usage(B_FALSE);
+ }
+
+ /*
+ * Check if we were given absolute path and use it as is.
+ * Otherwise if the provided vdev name doesn't point to a file,
+ * try prepending expected disk paths and partition numbers.
+ */
+ (void) strlcpy(vdev, argv[0], sizeof (vdev));
+ if (vdev[0] != '/' && stat(vdev, &st) != 0) {
+ int error;
+
+ error = zfs_resolve_shortname(argv[0], vdev, MAXPATHLEN);
+ if (error == 0 && zfs_dev_is_whole_disk(vdev)) {
+ if (zfs_append_partition(vdev, MAXPATHLEN) == -1)
+ error = ENOENT;
+ }
+
+ if (error || (stat(vdev, &st) != 0)) {
+ (void) fprintf(stderr, gettext(
+ "failed to find device %s, try specifying absolute "
+ "path instead\n"), argv[0]);
+ return (1);
+ }
+ }
+
+ if ((fd = open(vdev, O_RDWR)) < 0) {
+ (void) fprintf(stderr, gettext("failed to open %s: %s\n"),
+ vdev, strerror(errno));
+ return (1);
+ }
+
+ /*
+ * Flush all dirty pages for the block device. This should not be
+ * fatal when the device does not support BLKFLSBUF as would be the
+ * case for a file vdev.
+ */
+ if ((zfs_dev_flush(fd) != 0) && (errno != ENOTTY))
+ (void) fprintf(stderr, gettext("failed to invalidate "
+ "cache for %s: %s\n"), vdev, strerror(errno));
+
+ if (zpool_read_label(fd, &config, NULL) != 0) {
+ (void) fprintf(stderr,
+ gettext("failed to read label from %s\n"), vdev);
+ ret = 1;
+ goto errout;
+ }
+ nvlist_free(config);
+
+ ret = zpool_in_use(g_zfs, fd, &state, &name, &inuse);
+ if (ret != 0) {
+ (void) fprintf(stderr,
+ gettext("failed to check state for %s\n"), vdev);
+ ret = 1;
+ goto errout;
+ }
+
+ if (!inuse)
+ goto wipe_label;
+
+ switch (state) {
+ default:
+ case POOL_STATE_ACTIVE:
+ case POOL_STATE_SPARE:
+ case POOL_STATE_L2CACHE:
+ (void) fprintf(stderr, gettext(
+ "%s is a member (%s) of pool \"%s\"\n"),
+ vdev, zpool_pool_state_to_name(state), name);
+ ret = 1;
+ goto errout;
+
+ case POOL_STATE_EXPORTED:
+ if (force)
+ break;
+ (void) fprintf(stderr, gettext(
+ "use '-f' to override the following error:\n"
+ "%s is a member of exported pool \"%s\"\n"),
+ vdev, name);
+ ret = 1;
+ goto errout;
+
+ case POOL_STATE_POTENTIALLY_ACTIVE:
+ if (force)
+ break;
+ (void) fprintf(stderr, gettext(
+ "use '-f' to override the following error:\n"
+ "%s is a member of potentially active pool \"%s\"\n"),
+ vdev, name);
+ ret = 1;
+ goto errout;
+
+ case POOL_STATE_DESTROYED:
+ /* inuse should never be set for a destroyed pool */
+ assert(0);
+ break;
+ }
+
+wipe_label:
+ ret = zpool_clear_label(fd);
+ if (ret != 0) {
+ (void) fprintf(stderr,
+ gettext("failed to clear label for %s\n"), vdev);
+ }
+
+errout:
+ free(name);
+ (void) close(fd);
+
+ return (ret);
+}
+
+/*
+ * zpool create [-fnd] [-o property=value] ...
+ * [-O file-system-property=value] ...
+ * [-R root] [-m mountpoint] <pool> <dev> ...
+ *
+ * -f Force creation, even if devices appear in use
+ * -n Do not create the pool, but display the resulting layout if it
+ * were to be created.
+ * -R Create a pool under an alternate root
+ * -m Set default mountpoint for the root dataset. By default it's
+ * '/<pool>'
+ * -o Set property=value.
+ * -o Set feature@feature=enabled|disabled.
+ * -d Don't automatically enable all supported pool features
+ * (individual features can be enabled with -o).
+ * -O Set fsproperty=value in the pool's root file system
+ *
+ * Creates the named pool according to the given vdev specification. The
+ * bulk of the vdev processing is done in make_root_vdev() in zpool_vdev.c.
+ * Once we get the nvlist back from make_root_vdev(), we either print out the
+ * contents (if '-n' was specified), or pass it to libzfs to do the creation.
+ */
+int
+zpool_do_create(int argc, char **argv)
+{
+ boolean_t force = B_FALSE;
+ boolean_t dryrun = B_FALSE;
+ boolean_t enable_all_pool_feat = B_TRUE;
+ int c;
+ nvlist_t *nvroot = NULL;
+ char *poolname;
+ char *tname = NULL;
+ int ret = 1;
+ char *altroot = NULL;
+ char *mountpoint = NULL;
+ nvlist_t *fsprops = NULL;
+ nvlist_t *props = NULL;
+ char *propval;
+
+ /* check options */
+ while ((c = getopt(argc, argv, ":fndR:m:o:O:t:")) != -1) {
+ switch (c) {
+ case 'f':
+ force = B_TRUE;
+ break;
+ case 'n':
+ dryrun = B_TRUE;
+ break;
+ case 'd':
+ enable_all_pool_feat = B_FALSE;
+ break;
+ case 'R':
+ altroot = optarg;
+ if (add_prop_list(zpool_prop_to_name(
+ ZPOOL_PROP_ALTROOT), optarg, &props, B_TRUE))
+ goto errout;
+ if (add_prop_list_default(zpool_prop_to_name(
+ ZPOOL_PROP_CACHEFILE), "none", &props, B_TRUE))
+ goto errout;
+ break;
+ case 'm':
+ /* Equivalent to -O mountpoint=optarg */
+ mountpoint = optarg;
+ break;
+ case 'o':
+ if ((propval = strchr(optarg, '=')) == NULL) {
+ (void) fprintf(stderr, gettext("missing "
+ "'=' for -o option\n"));
+ goto errout;
+ }
+ *propval = '\0';
+ propval++;
+
+ if (add_prop_list(optarg, propval, &props, B_TRUE))
+ goto errout;
+
+ /*
+ * If the user is creating a pool that doesn't support
+ * feature flags, don't enable any features.
+ */
+ if (zpool_name_to_prop(optarg) == ZPOOL_PROP_VERSION) {
+ char *end;
+ u_longlong_t ver;
+
+ ver = strtoull(propval, &end, 10);
+ if (*end == '\0' &&
+ ver < SPA_VERSION_FEATURES) {
+ enable_all_pool_feat = B_FALSE;
+ }
+ }
+ if (zpool_name_to_prop(optarg) == ZPOOL_PROP_ALTROOT)
+ altroot = propval;
+ break;
+ case 'O':
+ if ((propval = strchr(optarg, '=')) == NULL) {
+ (void) fprintf(stderr, gettext("missing "
+ "'=' for -O option\n"));
+ goto errout;
+ }
+ *propval = '\0';
+ propval++;
+
+ /*
+ * Mountpoints are checked and then added later.
+ * Uniquely among properties, they can be specified
+ * more than once, to avoid conflict with -m.
+ */
+ if (0 == strcmp(optarg,
+ zfs_prop_to_name(ZFS_PROP_MOUNTPOINT))) {
+ mountpoint = propval;
+ } else if (add_prop_list(optarg, propval, &fsprops,
+ B_FALSE)) {
+ goto errout;
+ }
+ break;
+ case 't':
+ /*
+ * Sanity check temporary pool name.
+ */
+ if (strchr(optarg, '/') != NULL) {
+ (void) fprintf(stderr, gettext("cannot create "
+ "'%s': invalid character '/' in temporary "
+ "name\n"), optarg);
+ (void) fprintf(stderr, gettext("use 'zfs "
+ "create' to create a dataset\n"));
+ goto errout;
+ }
+
+ if (add_prop_list(zpool_prop_to_name(
+ ZPOOL_PROP_TNAME), optarg, &props, B_TRUE))
+ goto errout;
+ if (add_prop_list_default(zpool_prop_to_name(
+ ZPOOL_PROP_CACHEFILE), "none", &props, B_TRUE))
+ goto errout;
+ tname = optarg;
+ break;
+ case ':':
+ (void) fprintf(stderr, gettext("missing argument for "
+ "'%c' option\n"), optopt);
+ goto badusage;
+ case '?':
+ (void) fprintf(stderr, gettext("invalid option '%c'\n"),
+ optopt);
+ goto badusage;
+ }
+ }
+
+ argc -= optind;
+ argv += optind;
+
+ /* get pool name and check number of arguments */
+ if (argc < 1) {
+ (void) fprintf(stderr, gettext("missing pool name argument\n"));
+ goto badusage;
+ }
+ if (argc < 2) {
+ (void) fprintf(stderr, gettext("missing vdev specification\n"));
+ goto badusage;
+ }
+
+ poolname = argv[0];
+
+ /*
+ * As a special case, check for use of '/' in the name, and direct the
+ * user to use 'zfs create' instead.
+ */
+ if (strchr(poolname, '/') != NULL) {
+ (void) fprintf(stderr, gettext("cannot create '%s': invalid "
+ "character '/' in pool name\n"), poolname);
+ (void) fprintf(stderr, gettext("use 'zfs create' to "
+ "create a dataset\n"));
+ goto errout;
+ }
+
+ /* pass off to make_root_vdev for bulk processing */
+ nvroot = make_root_vdev(NULL, props, force, !force, B_FALSE, dryrun,
+ argc - 1, argv + 1);
+ if (nvroot == NULL)
+ goto errout;
+
+ /* make_root_vdev() allows 0 toplevel children if there are spares */
+ if (!zfs_allocatable_devs(nvroot)) {
+ (void) fprintf(stderr, gettext("invalid vdev "
+ "specification: at least one toplevel vdev must be "
+ "specified\n"));
+ goto errout;
+ }
+
+ if (altroot != NULL && altroot[0] != '/') {
+ (void) fprintf(stderr, gettext("invalid alternate root '%s': "
+ "must be an absolute path\n"), altroot);
+ goto errout;
+ }
+
+ /*
+ * Check the validity of the mountpoint and direct the user to use the
+ * '-m' mountpoint option if it looks like its in use.
+ */
+ if (mountpoint == NULL ||
+ (strcmp(mountpoint, ZFS_MOUNTPOINT_LEGACY) != 0 &&
+ strcmp(mountpoint, ZFS_MOUNTPOINT_NONE) != 0)) {
+ char buf[MAXPATHLEN];
+ DIR *dirp;
+
+ if (mountpoint && mountpoint[0] != '/') {
+ (void) fprintf(stderr, gettext("invalid mountpoint "
+ "'%s': must be an absolute path, 'legacy', or "
+ "'none'\n"), mountpoint);
+ goto errout;
+ }
+
+ if (mountpoint == NULL) {
+ if (altroot != NULL)
+ (void) snprintf(buf, sizeof (buf), "%s/%s",
+ altroot, poolname);
+ else
+ (void) snprintf(buf, sizeof (buf), "/%s",
+ poolname);
+ } else {
+ if (altroot != NULL)
+ (void) snprintf(buf, sizeof (buf), "%s%s",
+ altroot, mountpoint);
+ else
+ (void) snprintf(buf, sizeof (buf), "%s",
+ mountpoint);
+ }
+
+ if ((dirp = opendir(buf)) == NULL && errno != ENOENT) {
+ (void) fprintf(stderr, gettext("mountpoint '%s' : "
+ "%s\n"), buf, strerror(errno));
+ (void) fprintf(stderr, gettext("use '-m' "
+ "option to provide a different default\n"));
+ goto errout;
+ } else if (dirp) {
+ int count = 0;
+
+ while (count < 3 && readdir(dirp) != NULL)
+ count++;
+ (void) closedir(dirp);
+
+ if (count > 2) {
+ (void) fprintf(stderr, gettext("mountpoint "
+ "'%s' exists and is not empty\n"), buf);
+ (void) fprintf(stderr, gettext("use '-m' "
+ "option to provide a "
+ "different default\n"));
+ goto errout;
+ }
+ }
+ }
+
+ /*
+ * Now that the mountpoint's validity has been checked, ensure that
+ * the property is set appropriately prior to creating the pool.
+ */
+ if (mountpoint != NULL) {
+ ret = add_prop_list(zfs_prop_to_name(ZFS_PROP_MOUNTPOINT),
+ mountpoint, &fsprops, B_FALSE);
+ if (ret != 0)
+ goto errout;
+ }
+
+ ret = 1;
+ if (dryrun) {
+ /*
+ * For a dry run invocation, print out a basic message and run
+ * through all the vdevs in the list and print out in an
+ * appropriate hierarchy.
+ */
+ (void) printf(gettext("would create '%s' with the "
+ "following layout:\n\n"), poolname);
+
+ print_vdev_tree(NULL, poolname, nvroot, 0, "", 0);
+ print_vdev_tree(NULL, "dedup", nvroot, 0,
+ VDEV_ALLOC_BIAS_DEDUP, 0);
+ print_vdev_tree(NULL, "special", nvroot, 0,
+ VDEV_ALLOC_BIAS_SPECIAL, 0);
+ print_vdev_tree(NULL, "logs", nvroot, 0,
+ VDEV_ALLOC_BIAS_LOG, 0);
+
+ ret = 0;
+ } else {
+ /*
+ * Hand off to libzfs.
+ */
+ spa_feature_t i;
+ for (i = 0; i < SPA_FEATURES; i++) {
+ char propname[MAXPATHLEN];
+ char *propval;
+ zfeature_info_t *feat = &spa_feature_table[i];
+
+ (void) snprintf(propname, sizeof (propname),
+ "feature@%s", feat->fi_uname);
+
+ /*
+ * Only features contained in props will be enabled:
+ * remove from the nvlist every ZFS_FEATURE_DISABLED
+ * value and add every missing ZFS_FEATURE_ENABLED if
+ * enable_all_pool_feat is set.
+ */
+ if (!nvlist_lookup_string(props, propname, &propval)) {
+ if (strcmp(propval, ZFS_FEATURE_DISABLED) == 0)
+ (void) nvlist_remove_all(props,
+ propname);
+ } else if (enable_all_pool_feat) {
+ ret = add_prop_list(propname,
+ ZFS_FEATURE_ENABLED, &props, B_TRUE);
+ if (ret != 0)
+ goto errout;
+ }
+ }
+
+ ret = 1;
+ if (zpool_create(g_zfs, poolname,
+ nvroot, props, fsprops) == 0) {
+ zfs_handle_t *pool = zfs_open(g_zfs,
+ tname ? tname : poolname, ZFS_TYPE_FILESYSTEM);
+ if (pool != NULL) {
+ if (zfs_mount(pool, NULL, 0) == 0) {
+ ret = zfs_shareall(pool);
+ zfs_commit_all_shares();
+ }
+ zfs_close(pool);
+ }
+ } else if (libzfs_errno(g_zfs) == EZFS_INVALIDNAME) {
+ (void) fprintf(stderr, gettext("pool name may have "
+ "been omitted\n"));
+ }
+ }
+
+errout:
+ nvlist_free(nvroot);
+ nvlist_free(fsprops);
+ nvlist_free(props);
+ return (ret);
+badusage:
+ nvlist_free(fsprops);
+ nvlist_free(props);
+ usage(B_FALSE);
+ return (2);
+}
+
+/*
+ * zpool destroy <pool>
+ *
+ * -f Forcefully unmount any datasets
+ *
+ * Destroy the given pool. Automatically unmounts any datasets in the pool.
+ */
+int
+zpool_do_destroy(int argc, char **argv)
+{
+ boolean_t force = B_FALSE;
+ int c;
+ char *pool;
+ zpool_handle_t *zhp;
+ int ret;
+
+ /* check options */
+ while ((c = getopt(argc, argv, "f")) != -1) {
+ switch (c) {
+ case 'f':
+ force = B_TRUE;
+ break;
+ case '?':
+ (void) fprintf(stderr, gettext("invalid option '%c'\n"),
+ optopt);
+ usage(B_FALSE);
+ }
+ }
+
+ argc -= optind;
+ argv += optind;
+
+ /* check arguments */
+ if (argc < 1) {
+ (void) fprintf(stderr, gettext("missing pool argument\n"));
+ usage(B_FALSE);
+ }
+ if (argc > 1) {
+ (void) fprintf(stderr, gettext("too many arguments\n"));
+ usage(B_FALSE);
+ }
+
+ pool = argv[0];
+
+ if ((zhp = zpool_open_canfail(g_zfs, pool)) == NULL) {
+ /*
+ * As a special case, check for use of '/' in the name, and
+ * direct the user to use 'zfs destroy' instead.
+ */
+ if (strchr(pool, '/') != NULL)
+ (void) fprintf(stderr, gettext("use 'zfs destroy' to "
+ "destroy a dataset\n"));
+ return (1);
+ }
+
+ if (zpool_disable_datasets(zhp, force) != 0) {
+ (void) fprintf(stderr, gettext("could not destroy '%s': "
+ "could not unmount datasets\n"), zpool_get_name(zhp));
+ zpool_close(zhp);
+ return (1);
+ }
+
+ /* The history must be logged as part of the export */
+ log_history = B_FALSE;
+
+ ret = (zpool_destroy(zhp, history_str) != 0);
+
+ zpool_close(zhp);
+
+ return (ret);
+}
+
+typedef struct export_cbdata {
+ boolean_t force;
+ boolean_t hardforce;
+} export_cbdata_t;
+
+/*
+ * Export one pool
+ */
+static int
+zpool_export_one(zpool_handle_t *zhp, void *data)
+{
+ export_cbdata_t *cb = data;
+
+ if (zpool_disable_datasets(zhp, cb->force) != 0)
+ return (1);
+
+ /* The history must be logged as part of the export */
+ log_history = B_FALSE;
+
+ if (cb->hardforce) {
+ if (zpool_export_force(zhp, history_str) != 0)
+ return (1);
+ } else if (zpool_export(zhp, cb->force, history_str) != 0) {
+ return (1);
+ }
+
+ return (0);
+}
+
+/*
+ * zpool export [-f] <pool> ...
+ *
+ * -a Export all pools
+ * -f Forcefully unmount datasets
+ *
+ * Export the given pools. By default, the command will attempt to cleanly
+ * unmount any active datasets within the pool. If the '-f' flag is specified,
+ * then the datasets will be forcefully unmounted.
+ */
+int
+zpool_do_export(int argc, char **argv)
+{
+ export_cbdata_t cb;
+ boolean_t do_all = B_FALSE;
+ boolean_t force = B_FALSE;
+ boolean_t hardforce = B_FALSE;
+ int c, ret;
+
+ /* check options */
+ while ((c = getopt(argc, argv, "afF")) != -1) {
+ switch (c) {
+ case 'a':
+ do_all = B_TRUE;
+ break;
+ case 'f':
+ force = B_TRUE;
+ break;
+ case 'F':
+ hardforce = B_TRUE;
+ break;
+ case '?':
+ (void) fprintf(stderr, gettext("invalid option '%c'\n"),
+ optopt);
+ usage(B_FALSE);
+ }
+ }
+
+ cb.force = force;
+ cb.hardforce = hardforce;
+ argc -= optind;
+ argv += optind;
+
+ if (do_all) {
+ if (argc != 0) {
+ (void) fprintf(stderr, gettext("too many arguments\n"));
+ usage(B_FALSE);
+ }
+
+ return (for_each_pool(argc, argv, B_TRUE, NULL,
+ zpool_export_one, &cb));
+ }
+
+ /* check arguments */
+ if (argc < 1) {
+ (void) fprintf(stderr, gettext("missing pool argument\n"));
+ usage(B_FALSE);
+ }
+
+ ret = for_each_pool(argc, argv, B_TRUE, NULL, zpool_export_one, &cb);
+
+ return (ret);
+}
+
+/*
+ * Given a vdev configuration, determine the maximum width needed for the device
+ * name column.
+ */
+static int
+max_width(zpool_handle_t *zhp, nvlist_t *nv, int depth, int max,
+ int name_flags)
+{
+ char *name;
+ nvlist_t **child;
+ uint_t c, children;
+ int ret;
+
+ name = zpool_vdev_name(g_zfs, zhp, nv, name_flags);
+ if (strlen(name) + depth > max)
+ max = strlen(name) + depth;
+
+ free(name);
+
+ if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_SPARES,
+ &child, &children) == 0) {
+ for (c = 0; c < children; c++)
+ if ((ret = max_width(zhp, child[c], depth + 2,
+ max, name_flags)) > max)
+ max = ret;
+ }
+
+ if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_L2CACHE,
+ &child, &children) == 0) {
+ for (c = 0; c < children; c++)
+ if ((ret = max_width(zhp, child[c], depth + 2,
+ max, name_flags)) > max)
+ max = ret;
+ }
+
+ if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN,
+ &child, &children) == 0) {
+ for (c = 0; c < children; c++)
+ if ((ret = max_width(zhp, child[c], depth + 2,
+ max, name_flags)) > max)
+ max = ret;
+ }
+
+ return (max);
+}
+
+typedef struct spare_cbdata {
+ uint64_t cb_guid;
+ zpool_handle_t *cb_zhp;
+} spare_cbdata_t;
+
+static boolean_t
+find_vdev(nvlist_t *nv, uint64_t search)
+{
+ uint64_t guid;
+ nvlist_t **child;
+ uint_t c, children;
+
+ if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, &guid) == 0 &&
+ search == guid)
+ return (B_TRUE);
+
+ if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN,
+ &child, &children) == 0) {
+ for (c = 0; c < children; c++)
+ if (find_vdev(child[c], search))
+ return (B_TRUE);
+ }
+
+ return (B_FALSE);
+}
+
+static int
+find_spare(zpool_handle_t *zhp, void *data)
+{
+ spare_cbdata_t *cbp = data;
+ nvlist_t *config, *nvroot;
+
+ config = zpool_get_config(zhp, NULL);
+ verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE,
+ &nvroot) == 0);
+
+ if (find_vdev(nvroot, cbp->cb_guid)) {
+ cbp->cb_zhp = zhp;
+ return (1);
+ }
+
+ zpool_close(zhp);
+ return (0);
+}
+
+typedef struct status_cbdata {
+ int cb_count;
+ int cb_name_flags;
+ int cb_namewidth;
+ boolean_t cb_allpools;
+ boolean_t cb_verbose;
+ boolean_t cb_literal;
+ boolean_t cb_explain;
+ boolean_t cb_first;
+ boolean_t cb_dedup_stats;
+ boolean_t cb_print_status;
+ boolean_t cb_print_slow_ios;
+ boolean_t cb_print_vdev_init;
+ boolean_t cb_print_vdev_trim;
+ vdev_cmd_data_list_t *vcdl;
+} status_cbdata_t;
+
+/* Return 1 if string is NULL, empty, or whitespace; return 0 otherwise. */
+static int
+is_blank_str(char *str)
+{
+ while (str != NULL && *str != '\0') {
+ if (!isblank(*str))
+ return (0);
+ str++;
+ }
+ return (1);
+}
+
+/* Print command output lines for specific vdev in a specific pool */
+static void
+zpool_print_cmd(vdev_cmd_data_list_t *vcdl, const char *pool, char *path)
+{
+ vdev_cmd_data_t *data;
+ int i, j;
+ char *val;
+
+ for (i = 0; i < vcdl->count; i++) {
+ if ((strcmp(vcdl->data[i].path, path) != 0) ||
+ (strcmp(vcdl->data[i].pool, pool) != 0)) {
+ /* Not the vdev we're looking for */
+ continue;
+ }
+
+ data = &vcdl->data[i];
+ /* Print out all the output values for this vdev */
+ for (j = 0; j < vcdl->uniq_cols_cnt; j++) {
+ val = NULL;
+ /* Does this vdev have values for this column? */
+ for (int k = 0; k < data->cols_cnt; k++) {
+ if (strcmp(data->cols[k],
+ vcdl->uniq_cols[j]) == 0) {
+ /* yes it does, record the value */
+ val = data->lines[k];
+ break;
+ }
+ }
+ /*
+ * Mark empty values with dashes to make output
+ * awk-able.
+ */
+ if (is_blank_str(val))
+ val = "-";
+
+ printf("%*s", vcdl->uniq_cols_width[j], val);
+ if (j < vcdl->uniq_cols_cnt - 1)
+ printf(" ");
+ }
+
+ /* Print out any values that aren't in a column at the end */
+ for (j = data->cols_cnt; j < data->lines_cnt; j++) {
+ /* Did we have any columns? If so print a spacer. */
+ if (vcdl->uniq_cols_cnt > 0)
+ printf(" ");
+
+ val = data->lines[j];
+ printf("%s", val ? val : "");
+ }
+ break;
+ }
+}
+
+/*
+ * Print vdev initialization status for leaves
+ */
+static void
+print_status_initialize(vdev_stat_t *vs, boolean_t verbose)
+{
+ if (verbose) {
+ if ((vs->vs_initialize_state == VDEV_INITIALIZE_ACTIVE ||
+ vs->vs_initialize_state == VDEV_INITIALIZE_SUSPENDED ||
+ vs->vs_initialize_state == VDEV_INITIALIZE_COMPLETE) &&
+ !vs->vs_scan_removing) {
+ char zbuf[1024];
+ char tbuf[256];
+ struct tm zaction_ts;
+
+ time_t t = vs->vs_initialize_action_time;
+ int initialize_pct = 100;
+ if (vs->vs_initialize_state !=
+ VDEV_INITIALIZE_COMPLETE) {
+ initialize_pct = (vs->vs_initialize_bytes_done *
+ 100 / (vs->vs_initialize_bytes_est + 1));
+ }
+
+ (void) localtime_r(&t, &zaction_ts);
+ (void) strftime(tbuf, sizeof (tbuf), "%c", &zaction_ts);
+
+ switch (vs->vs_initialize_state) {
+ case VDEV_INITIALIZE_SUSPENDED:
+ (void) snprintf(zbuf, sizeof (zbuf), ", %s %s",
+ gettext("suspended, started at"), tbuf);
+ break;
+ case VDEV_INITIALIZE_ACTIVE:
+ (void) snprintf(zbuf, sizeof (zbuf), ", %s %s",
+ gettext("started at"), tbuf);
+ break;
+ case VDEV_INITIALIZE_COMPLETE:
+ (void) snprintf(zbuf, sizeof (zbuf), ", %s %s",
+ gettext("completed at"), tbuf);
+ break;
+ }
+
+ (void) printf(gettext(" (%d%% initialized%s)"),
+ initialize_pct, zbuf);
+ } else {
+ (void) printf(gettext(" (uninitialized)"));
+ }
+ } else if (vs->vs_initialize_state == VDEV_INITIALIZE_ACTIVE) {
+ (void) printf(gettext(" (initializing)"));
+ }
+}
+
+/*
+ * Print vdev TRIM status for leaves
+ */
+static void
+print_status_trim(vdev_stat_t *vs, boolean_t verbose)
+{
+ if (verbose) {
+ if ((vs->vs_trim_state == VDEV_TRIM_ACTIVE ||
+ vs->vs_trim_state == VDEV_TRIM_SUSPENDED ||
+ vs->vs_trim_state == VDEV_TRIM_COMPLETE) &&
+ !vs->vs_scan_removing) {
+ char zbuf[1024];
+ char tbuf[256];
+ struct tm zaction_ts;
+
+ time_t t = vs->vs_trim_action_time;
+ int trim_pct = 100;
+ if (vs->vs_trim_state != VDEV_TRIM_COMPLETE) {
+ trim_pct = (vs->vs_trim_bytes_done *
+ 100 / (vs->vs_trim_bytes_est + 1));
+ }
+
+ (void) localtime_r(&t, &zaction_ts);
+ (void) strftime(tbuf, sizeof (tbuf), "%c", &zaction_ts);
+
+ switch (vs->vs_trim_state) {
+ case VDEV_TRIM_SUSPENDED:
+ (void) snprintf(zbuf, sizeof (zbuf), ", %s %s",
+ gettext("suspended, started at"), tbuf);
+ break;
+ case VDEV_TRIM_ACTIVE:
+ (void) snprintf(zbuf, sizeof (zbuf), ", %s %s",
+ gettext("started at"), tbuf);
+ break;
+ case VDEV_TRIM_COMPLETE:
+ (void) snprintf(zbuf, sizeof (zbuf), ", %s %s",
+ gettext("completed at"), tbuf);
+ break;
+ }
+
+ (void) printf(gettext(" (%d%% trimmed%s)"),
+ trim_pct, zbuf);
+ } else if (vs->vs_trim_notsup) {
+ (void) printf(gettext(" (trim unsupported)"));
+ } else {
+ (void) printf(gettext(" (untrimmed)"));
+ }
+ } else if (vs->vs_trim_state == VDEV_TRIM_ACTIVE) {
+ (void) printf(gettext(" (trimming)"));
+ }
+}
+
+/*
+ * Return the color associated with a health string. This includes returning
+ * NULL for no color change.
+ */
+static char *
+health_str_to_color(const char *health)
+{
+ if (strcmp(health, gettext("FAULTED")) == 0 ||
+ strcmp(health, gettext("SUSPENDED")) == 0 ||
+ strcmp(health, gettext("UNAVAIL")) == 0) {
+ return (ANSI_RED);
+ }
+
+ if (strcmp(health, gettext("OFFLINE")) == 0 ||
+ strcmp(health, gettext("DEGRADED")) == 0 ||
+ strcmp(health, gettext("REMOVED")) == 0) {
+ return (ANSI_YELLOW);
+ }
+
+ return (NULL);
+}
+
+/*
+ * Print out configuration state as requested by status_callback.
+ */
+static void
+print_status_config(zpool_handle_t *zhp, status_cbdata_t *cb, const char *name,
+ nvlist_t *nv, int depth, boolean_t isspare, vdev_rebuild_stat_t *vrs)
+{
+ nvlist_t **child, *root;
+ uint_t c, i, vsc, children;
+ pool_scan_stat_t *ps = NULL;
+ vdev_stat_t *vs;
+ char rbuf[6], wbuf[6], cbuf[6];
+ char *vname;
+ uint64_t notpresent;
+ spare_cbdata_t spare_cb;
+ const char *state;
+ char *type;
+ char *path = NULL;
+ char *rcolor = NULL, *wcolor = NULL, *ccolor = NULL;
+
+ if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN,
+ &child, &children) != 0)
+ children = 0;
+
+ verify(nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_VDEV_STATS,
+ (uint64_t **)&vs, &vsc) == 0);
+
+ verify(nvlist_lookup_string(nv, ZPOOL_CONFIG_TYPE, &type) == 0);
+
+ if (strcmp(type, VDEV_TYPE_INDIRECT) == 0)
+ return;
+
+ state = zpool_state_to_name(vs->vs_state, vs->vs_aux);
+
+ if (isspare) {
+ /*
+ * For hot spares, we use the terms 'INUSE' and 'AVAILABLE' for
+ * online drives.
+ */
+ if (vs->vs_aux == VDEV_AUX_SPARED)
+ state = gettext("INUSE");
+ else if (vs->vs_state == VDEV_STATE_HEALTHY)
+ state = gettext("AVAIL");
+ }
+
+ printf_color(health_str_to_color(state),
+ "\t%*s%-*s %-8s", depth, "", cb->cb_namewidth - depth,
+ name, state);
+
+ if (!isspare) {
+ if (vs->vs_read_errors)
+ rcolor = ANSI_RED;
+
+ if (vs->vs_write_errors)
+ wcolor = ANSI_RED;
+
+ if (vs->vs_checksum_errors)
+ ccolor = ANSI_RED;
+
+ if (cb->cb_literal) {
+ printf(" ");
+ printf_color(rcolor, "%5llu",
+ (u_longlong_t)vs->vs_read_errors);
+ printf(" ");
+ printf_color(wcolor, "%5llu",
+ (u_longlong_t)vs->vs_write_errors);
+ printf(" ");
+ printf_color(ccolor, "%5llu",
+ (u_longlong_t)vs->vs_checksum_errors);
+ } else {
+ zfs_nicenum(vs->vs_read_errors, rbuf, sizeof (rbuf));
+ zfs_nicenum(vs->vs_write_errors, wbuf, sizeof (wbuf));
+ zfs_nicenum(vs->vs_checksum_errors, cbuf,
+ sizeof (cbuf));
+ printf(" ");
+ printf_color(rcolor, "%5s", rbuf);
+ printf(" ");
+ printf_color(wcolor, "%5s", wbuf);
+ printf(" ");
+ printf_color(ccolor, "%5s", cbuf);
+ }
+ if (cb->cb_print_slow_ios) {
+ if (children == 0) {
+ /* Only leafs vdevs have slow IOs */
+ zfs_nicenum(vs->vs_slow_ios, rbuf,
+ sizeof (rbuf));
+ } else {
+ snprintf(rbuf, sizeof (rbuf), "-");
+ }
+
+ if (cb->cb_literal)
+ printf(" %5llu", (u_longlong_t)vs->vs_slow_ios);
+ else
+ printf(" %5s", rbuf);
+ }
+ }
+
+ if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_NOT_PRESENT,
+ &notpresent) == 0) {
+ verify(nvlist_lookup_string(nv, ZPOOL_CONFIG_PATH, &path) == 0);
+ (void) printf(" %s %s", gettext("was"), path);
+ } else if (vs->vs_aux != 0) {
+ (void) printf(" ");
+ color_start(ANSI_RED);
+ switch (vs->vs_aux) {
+ case VDEV_AUX_OPEN_FAILED:
+ (void) printf(gettext("cannot open"));
+ break;
+
+ case VDEV_AUX_BAD_GUID_SUM:
+ (void) printf(gettext("missing device"));
+ break;
+
+ case VDEV_AUX_NO_REPLICAS:
+ (void) printf(gettext("insufficient replicas"));
+ break;
+
+ case VDEV_AUX_VERSION_NEWER:
+ (void) printf(gettext("newer version"));
+ break;
+
+ case VDEV_AUX_UNSUP_FEAT:
+ (void) printf(gettext("unsupported feature(s)"));
+ break;
+
+ case VDEV_AUX_ASHIFT_TOO_BIG:
+ (void) printf(gettext("unsupported minimum blocksize"));
+ break;
+
+ case VDEV_AUX_SPARED:
+ verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID,
+ &spare_cb.cb_guid) == 0);
+ if (zpool_iter(g_zfs, find_spare, &spare_cb) == 1) {
+ if (strcmp(zpool_get_name(spare_cb.cb_zhp),
+ zpool_get_name(zhp)) == 0)
+ (void) printf(gettext("currently in "
+ "use"));
+ else
+ (void) printf(gettext("in use by "
+ "pool '%s'"),
+ zpool_get_name(spare_cb.cb_zhp));
+ zpool_close(spare_cb.cb_zhp);
+ } else {
+ (void) printf(gettext("currently in use"));
+ }
+ break;
+
+ case VDEV_AUX_ERR_EXCEEDED:
+ (void) printf(gettext("too many errors"));
+ break;
+
+ case VDEV_AUX_IO_FAILURE:
+ (void) printf(gettext("experienced I/O failures"));
+ break;
+
+ case VDEV_AUX_BAD_LOG:
+ (void) printf(gettext("bad intent log"));
+ break;
+
+ case VDEV_AUX_EXTERNAL:
+ (void) printf(gettext("external device fault"));
+ break;
+
+ case VDEV_AUX_SPLIT_POOL:
+ (void) printf(gettext("split into new pool"));
+ break;
+
+ case VDEV_AUX_ACTIVE:
+ (void) printf(gettext("currently in use"));
+ break;
+
+ case VDEV_AUX_CHILDREN_OFFLINE:
+ (void) printf(gettext("all children offline"));
+ break;
+
+ default:
+ (void) printf(gettext("corrupted data"));
+ break;
+ }
+ color_end();
+ }
+
+ /* The root vdev has the scrub/resilver stats */
+ root = fnvlist_lookup_nvlist(zpool_get_config(zhp, NULL),
+ ZPOOL_CONFIG_VDEV_TREE);
+ (void) nvlist_lookup_uint64_array(root, ZPOOL_CONFIG_SCAN_STATS,
+ (uint64_t **)&ps, &c);
+
+ if (ps != NULL && ps->pss_state == DSS_SCANNING && children == 0) {
+ if (vs->vs_scan_processed != 0) {
+ (void) printf(gettext(" (%s)"),
+ (ps->pss_func == POOL_SCAN_RESILVER) ?
+ "resilvering" : "repairing");
+ } else if (vs->vs_resilver_deferred) {
+ (void) printf(gettext(" (awaiting resilver)"));
+ }
+ }
+
+ /* The top-level vdevs have the rebuild stats */
+ if (vrs != NULL && vrs->vrs_state == VDEV_REBUILD_ACTIVE &&
+ children == 0) {
+ if (vs->vs_rebuild_processed != 0) {
+ (void) printf(gettext(" (resilvering)"));
+ }
+ }
+
+ if (cb->vcdl != NULL) {
+ if (nvlist_lookup_string(nv, ZPOOL_CONFIG_PATH, &path) == 0) {
+ printf(" ");
+ zpool_print_cmd(cb->vcdl, zpool_get_name(zhp), path);
+ }
+ }
+
+ /* Display vdev initialization and trim status for leaves */
+ if (children == 0) {
+ print_status_initialize(vs, cb->cb_print_vdev_init);
+ print_status_trim(vs, cb->cb_print_vdev_trim);
+ }
+
+ (void) printf("\n");
+
+ for (c = 0; c < children; c++) {
+ uint64_t islog = B_FALSE, ishole = B_FALSE;
+
+ /* Don't print logs or holes here */
+ (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG,
+ &islog);
+ (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_HOLE,
+ &ishole);
+ if (islog || ishole)
+ continue;
+ /* Only print normal classes here */
+ if (nvlist_exists(child[c], ZPOOL_CONFIG_ALLOCATION_BIAS))
+ continue;
+
+ /* Provide vdev_rebuild_stats to children if available */
+ if (vrs == NULL) {
+ (void) nvlist_lookup_uint64_array(nv,
+ ZPOOL_CONFIG_REBUILD_STATS,
+ (uint64_t **)&vrs, &i);
+ }
+
+ vname = zpool_vdev_name(g_zfs, zhp, child[c],
+ cb->cb_name_flags | VDEV_NAME_TYPE_ID);
+ print_status_config(zhp, cb, vname, child[c], depth + 2,
+ isspare, vrs);
+ free(vname);
+ }
+}
+
+/*
+ * Print the configuration of an exported pool. Iterate over all vdevs in the
+ * pool, printing out the name and status for each one.
+ */
+static void
+print_import_config(status_cbdata_t *cb, const char *name, nvlist_t *nv,
+ int depth)
+{
+ nvlist_t **child;
+ uint_t c, children;
+ vdev_stat_t *vs;
+ char *type, *vname;
+
+ verify(nvlist_lookup_string(nv, ZPOOL_CONFIG_TYPE, &type) == 0);
+ if (strcmp(type, VDEV_TYPE_MISSING) == 0 ||
+ strcmp(type, VDEV_TYPE_HOLE) == 0)
+ return;
+
+ verify(nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_VDEV_STATS,
+ (uint64_t **)&vs, &c) == 0);
+
+ (void) printf("\t%*s%-*s", depth, "", cb->cb_namewidth - depth, name);
+ (void) printf(" %s", zpool_state_to_name(vs->vs_state, vs->vs_aux));
+
+ if (vs->vs_aux != 0) {
+ (void) printf(" ");
+
+ switch (vs->vs_aux) {
+ case VDEV_AUX_OPEN_FAILED:
+ (void) printf(gettext("cannot open"));
+ break;
+
+ case VDEV_AUX_BAD_GUID_SUM:
+ (void) printf(gettext("missing device"));
+ break;
+
+ case VDEV_AUX_NO_REPLICAS:
+ (void) printf(gettext("insufficient replicas"));
+ break;
+
+ case VDEV_AUX_VERSION_NEWER:
+ (void) printf(gettext("newer version"));
+ break;
+
+ case VDEV_AUX_UNSUP_FEAT:
+ (void) printf(gettext("unsupported feature(s)"));
+ break;
+
+ case VDEV_AUX_ERR_EXCEEDED:
+ (void) printf(gettext("too many errors"));
+ break;
+
+ case VDEV_AUX_ACTIVE:
+ (void) printf(gettext("currently in use"));
+ break;
+
+ case VDEV_AUX_CHILDREN_OFFLINE:
+ (void) printf(gettext("all children offline"));
+ break;
+
+ default:
+ (void) printf(gettext("corrupted data"));
+ break;
+ }
+ }
+ (void) printf("\n");
+
+ if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN,
+ &child, &children) != 0)
+ return;
+
+ for (c = 0; c < children; c++) {
+ uint64_t is_log = B_FALSE;
+
+ (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG,
+ &is_log);
+ if (is_log)
+ continue;
+ if (nvlist_exists(child[c], ZPOOL_CONFIG_ALLOCATION_BIAS))
+ continue;
+
+ vname = zpool_vdev_name(g_zfs, NULL, child[c],
+ cb->cb_name_flags | VDEV_NAME_TYPE_ID);
+ print_import_config(cb, vname, child[c], depth + 2);
+ free(vname);
+ }
+
+ if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_L2CACHE,
+ &child, &children) == 0) {
+ (void) printf(gettext("\tcache\n"));
+ for (c = 0; c < children; c++) {
+ vname = zpool_vdev_name(g_zfs, NULL, child[c],
+ cb->cb_name_flags);
+ (void) printf("\t %s\n", vname);
+ free(vname);
+ }
+ }
+
+ if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_SPARES,
+ &child, &children) == 0) {
+ (void) printf(gettext("\tspares\n"));
+ for (c = 0; c < children; c++) {
+ vname = zpool_vdev_name(g_zfs, NULL, child[c],
+ cb->cb_name_flags);
+ (void) printf("\t %s\n", vname);
+ free(vname);
+ }
+ }
+}
+
+/*
+ * Print specialized class vdevs.
+ *
+ * These are recorded as top level vdevs in the main pool child array
+ * but with "is_log" set to 1 or an "alloc_bias" string. We use either
+ * print_status_config() or print_import_config() to print the top level
+ * class vdevs then any of their children (eg mirrored slogs) are printed
+ * recursively - which works because only the top level vdev is marked.
+ */
+static void
+print_class_vdevs(zpool_handle_t *zhp, status_cbdata_t *cb, nvlist_t *nv,
+ const char *class)
+{
+ uint_t c, children;
+ nvlist_t **child;
+ boolean_t printed = B_FALSE;
+
+ assert(zhp != NULL || !cb->cb_verbose);
+
+ if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, &child,
+ &children) != 0)
+ return;
+
+ for (c = 0; c < children; c++) {
+ uint64_t is_log = B_FALSE;
+ char *bias = NULL;
+ char *type = NULL;
+
+ (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG,
+ &is_log);
+
+ if (is_log) {
+ bias = VDEV_ALLOC_CLASS_LOGS;
+ } else {
+ (void) nvlist_lookup_string(child[c],
+ ZPOOL_CONFIG_ALLOCATION_BIAS, &bias);
+ (void) nvlist_lookup_string(child[c],
+ ZPOOL_CONFIG_TYPE, &type);
+ }
+
+ if (bias == NULL || strcmp(bias, class) != 0)
+ continue;
+ if (!is_log && strcmp(type, VDEV_TYPE_INDIRECT) == 0)
+ continue;
+
+ if (!printed) {
+ (void) printf("\t%s\t\n", gettext(class));
+ printed = B_TRUE;
+ }
+
+ char *name = zpool_vdev_name(g_zfs, zhp, child[c],
+ cb->cb_name_flags | VDEV_NAME_TYPE_ID);
+ if (cb->cb_print_status)
+ print_status_config(zhp, cb, name, child[c], 2,
+ B_FALSE, NULL);
+ else
+ print_import_config(cb, name, child[c], 2);
+ free(name);
+ }
+}
+
+/*
+ * Display the status for the given pool.
+ */
+static void
+show_import(nvlist_t *config)
+{
+ uint64_t pool_state;
+ vdev_stat_t *vs;
+ char *name;
+ uint64_t guid;
+ uint64_t hostid = 0;
+ char *msgid;
+ char *hostname = "unknown";
+ nvlist_t *nvroot, *nvinfo;
+ zpool_status_t reason;
+ zpool_errata_t errata;
+ const char *health;
+ uint_t vsc;
+ char *comment;
+ status_cbdata_t cb = { 0 };
+
+ verify(nvlist_lookup_string(config, ZPOOL_CONFIG_POOL_NAME,
+ &name) == 0);
+ verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_GUID,
+ &guid) == 0);
+ verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_STATE,
+ &pool_state) == 0);
+ verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE,
+ &nvroot) == 0);
+
+ verify(nvlist_lookup_uint64_array(nvroot, ZPOOL_CONFIG_VDEV_STATS,
+ (uint64_t **)&vs, &vsc) == 0);
+ health = zpool_state_to_name(vs->vs_state, vs->vs_aux);
+
+ reason = zpool_import_status(config, &msgid, &errata);
+
+ (void) printf(gettext(" pool: %s\n"), name);
+ (void) printf(gettext(" id: %llu\n"), (u_longlong_t)guid);
+ (void) printf(gettext(" state: %s"), health);
+ if (pool_state == POOL_STATE_DESTROYED)
+ (void) printf(gettext(" (DESTROYED)"));
+ (void) printf("\n");
+
+ switch (reason) {
+ case ZPOOL_STATUS_MISSING_DEV_R:
+ case ZPOOL_STATUS_MISSING_DEV_NR:
+ case ZPOOL_STATUS_BAD_GUID_SUM:
+ printf_color(ANSI_BOLD, gettext("status: "));
+ printf_color(ANSI_YELLOW, gettext("One or more devices are "
+ "missing from the system.\n"));
+ break;
+
+ case ZPOOL_STATUS_CORRUPT_LABEL_R:
+ case ZPOOL_STATUS_CORRUPT_LABEL_NR:
+ printf_color(ANSI_BOLD, gettext("status: "));
+ printf_color(ANSI_YELLOW, gettext("One or more devices contains"
+ " corrupted data.\n"));
+ break;
+
+ case ZPOOL_STATUS_CORRUPT_DATA:
+ (void) printf(
+ gettext(" status: The pool data is corrupted.\n"));
+ break;
+
+ case ZPOOL_STATUS_OFFLINE_DEV:
+ printf_color(ANSI_BOLD, gettext("status: "));
+ printf_color(ANSI_YELLOW, gettext("One or more devices "
+ "are offlined.\n"));
+ break;
+
+ case ZPOOL_STATUS_CORRUPT_POOL:
+ printf_color(ANSI_BOLD, gettext("status: "));
+ printf_color(ANSI_YELLOW, gettext("The pool metadata is "
+ "corrupted.\n"));
+ break;
+
+ case ZPOOL_STATUS_VERSION_OLDER:
+ printf_color(ANSI_BOLD, gettext("status: "));
+ printf_color(ANSI_YELLOW, gettext("The pool is formatted using "
+ "a legacy on-disk version.\n"));
+ break;
+
+ case ZPOOL_STATUS_VERSION_NEWER:
+ printf_color(ANSI_BOLD, gettext("status: "));
+ printf_color(ANSI_YELLOW, gettext("The pool is formatted using "
+ "an incompatible version.\n"));
+ break;
+
+ case ZPOOL_STATUS_FEAT_DISABLED:
+ printf_color(ANSI_BOLD, gettext("status: "));
+ printf_color(ANSI_YELLOW, gettext("Some supported features are "
+ "not enabled on the pool.\n"));
+ break;
+
+ case ZPOOL_STATUS_UNSUP_FEAT_READ:
+ printf_color(ANSI_BOLD, gettext("status: "));
+ printf_color(ANSI_YELLOW, gettext("The pool uses the following "
+ "feature(s) not supported on this system:\n"));
+ color_start(ANSI_YELLOW);
+ zpool_print_unsup_feat(config);
+ color_end();
+ break;
+
+ case ZPOOL_STATUS_UNSUP_FEAT_WRITE:
+ printf_color(ANSI_BOLD, gettext("status: "));
+ printf_color(ANSI_YELLOW, gettext("The pool can only be "
+ "accessed in read-only mode on this system. It\n\tcannot be"
+ " accessed in read-write mode because it uses the "
+ "following\n\tfeature(s) not supported on this system:\n"));
+ color_start(ANSI_YELLOW);
+ zpool_print_unsup_feat(config);
+ color_end();
+ break;
+
+ case ZPOOL_STATUS_HOSTID_ACTIVE:
+ printf_color(ANSI_BOLD, gettext("status: "));
+ printf_color(ANSI_YELLOW, gettext("The pool is currently "
+ "imported by another system.\n"));
+ break;
+
+ case ZPOOL_STATUS_HOSTID_REQUIRED:
+ printf_color(ANSI_BOLD, gettext("status: "));
+ printf_color(ANSI_YELLOW, gettext("The pool has the "
+ "multihost property on. It cannot\n\tbe safely imported "
+ "when the system hostid is not set.\n"));
+ break;
+
+ case ZPOOL_STATUS_HOSTID_MISMATCH:
+ printf_color(ANSI_BOLD, gettext("status: "));
+ printf_color(ANSI_YELLOW, gettext("The pool was last accessed "
+ "by another system.\n"));
+ break;
+
+ case ZPOOL_STATUS_FAULTED_DEV_R:
+ case ZPOOL_STATUS_FAULTED_DEV_NR:
+ printf_color(ANSI_BOLD, gettext("status: "));
+ printf_color(ANSI_YELLOW, gettext("One or more devices are "
+ "faulted.\n"));
+ break;
+
+ case ZPOOL_STATUS_BAD_LOG:
+ printf_color(ANSI_BOLD, gettext("status: "));
+ printf_color(ANSI_YELLOW, gettext("An intent log record cannot "
+ "be read.\n"));
+ break;
+
+ case ZPOOL_STATUS_RESILVERING:
+ case ZPOOL_STATUS_REBUILDING:
+ printf_color(ANSI_BOLD, gettext("status: "));
+ printf_color(ANSI_YELLOW, gettext("One or more devices were "
+ "being resilvered.\n"));
+ break;
+
+ case ZPOOL_STATUS_ERRATA:
+ printf_color(ANSI_BOLD, gettext("status: "));
+ printf_color(ANSI_YELLOW, gettext("Errata #%d detected.\n"),
+ errata);
+ break;
+
+ default:
+ /*
+ * No other status can be seen when importing pools.
+ */
+ assert(reason == ZPOOL_STATUS_OK);
+ }
+
+ /*
+ * Print out an action according to the overall state of the pool.
+ */
+ if (vs->vs_state == VDEV_STATE_HEALTHY) {
+ if (reason == ZPOOL_STATUS_VERSION_OLDER ||
+ reason == ZPOOL_STATUS_FEAT_DISABLED) {
+ (void) printf(gettext(" action: The pool can be "
+ "imported using its name or numeric identifier, "
+ "though\n\tsome features will not be available "
+ "without an explicit 'zpool upgrade'.\n"));
+ } else if (reason == ZPOOL_STATUS_HOSTID_MISMATCH) {
+ (void) printf(gettext(" action: The pool can be "
+ "imported using its name or numeric "
+ "identifier and\n\tthe '-f' flag.\n"));
+ } else if (reason == ZPOOL_STATUS_ERRATA) {
+ switch (errata) {
+ case ZPOOL_ERRATA_NONE:
+ break;
+
+ case ZPOOL_ERRATA_ZOL_2094_SCRUB:
+ (void) printf(gettext(" action: The pool can "
+ "be imported using its name or numeric "
+ "identifier,\n\thowever there is a compat"
+ "ibility issue which should be corrected"
+ "\n\tby running 'zpool scrub'\n"));
+ break;
+
+ case ZPOOL_ERRATA_ZOL_2094_ASYNC_DESTROY:
+ (void) printf(gettext(" action: The pool can"
+ "not be imported with this version of ZFS "
+ "due to\n\tan active asynchronous destroy. "
+ "Revert to an earlier version\n\tand "
+ "allow the destroy to complete before "
+ "updating.\n"));
+ break;
+
+ case ZPOOL_ERRATA_ZOL_6845_ENCRYPTION:
+ (void) printf(gettext(" action: Existing "
+ "encrypted datasets contain an on-disk "
+ "incompatibility, which\n\tneeds to be "
+ "corrected. Backup these datasets to new "
+ "encrypted datasets\n\tand destroy the "
+ "old ones.\n"));
+ break;
+
+ case ZPOOL_ERRATA_ZOL_8308_ENCRYPTION:
+ (void) printf(gettext(" action: Existing "
+ "encrypted snapshots and bookmarks contain "
+ "an on-disk\n\tincompatibility. This may "
+ "cause on-disk corruption if they are used"
+ "\n\twith 'zfs recv'. To correct the "
+ "issue, enable the bookmark_v2 feature.\n\t"
+ "No additional action is needed if there "
+ "are no encrypted snapshots or\n\t"
+ "bookmarks. If preserving the encrypted "
+ "snapshots and bookmarks is\n\trequired, "
+ "use a non-raw send to backup and restore "
+ "them. Alternately,\n\tthey may be removed"
+ " to resolve the incompatibility.\n"));
+ break;
+ default:
+ /*
+ * All errata must contain an action message.
+ */
+ assert(0);
+ }
+ } else {
+ (void) printf(gettext(" action: The pool can be "
+ "imported using its name or numeric "
+ "identifier.\n"));
+ }
+ } else if (vs->vs_state == VDEV_STATE_DEGRADED) {
+ (void) printf(gettext(" action: The pool can be imported "
+ "despite missing or damaged devices. The\n\tfault "
+ "tolerance of the pool may be compromised if imported.\n"));
+ } else {
+ switch (reason) {
+ case ZPOOL_STATUS_VERSION_NEWER:
+ (void) printf(gettext(" action: The pool cannot be "
+ "imported. Access the pool on a system running "
+ "newer\n\tsoftware, or recreate the pool from "
+ "backup.\n"));
+ break;
+ case ZPOOL_STATUS_UNSUP_FEAT_READ:
+ printf_color(ANSI_BOLD, gettext("action: "));
+ printf_color(ANSI_YELLOW, gettext("The pool cannot be "
+ "imported. Access the pool on a system that "
+ "supports\n\tthe required feature(s), or recreate "
+ "the pool from backup.\n"));
+ break;
+ case ZPOOL_STATUS_UNSUP_FEAT_WRITE:
+ printf_color(ANSI_BOLD, gettext("action: "));
+ printf_color(ANSI_YELLOW, gettext("The pool cannot be "
+ "imported in read-write mode. Import the pool "
+ "with\n"
+ "\t\"-o readonly=on\", access the pool on a system "
+ "that supports the\n\trequired feature(s), or "
+ "recreate the pool from backup.\n"));
+ break;
+ case ZPOOL_STATUS_MISSING_DEV_R:
+ case ZPOOL_STATUS_MISSING_DEV_NR:
+ case ZPOOL_STATUS_BAD_GUID_SUM:
+ (void) printf(gettext(" action: The pool cannot be "
+ "imported. Attach the missing\n\tdevices and try "
+ "again.\n"));
+ break;
+ case ZPOOL_STATUS_HOSTID_ACTIVE:
+ VERIFY0(nvlist_lookup_nvlist(config,
+ ZPOOL_CONFIG_LOAD_INFO, &nvinfo));
+
+ if (nvlist_exists(nvinfo, ZPOOL_CONFIG_MMP_HOSTNAME))
+ hostname = fnvlist_lookup_string(nvinfo,
+ ZPOOL_CONFIG_MMP_HOSTNAME);
+
+ if (nvlist_exists(nvinfo, ZPOOL_CONFIG_MMP_HOSTID))
+ hostid = fnvlist_lookup_uint64(nvinfo,
+ ZPOOL_CONFIG_MMP_HOSTID);
+
+ (void) printf(gettext(" action: The pool must be "
+ "exported from %s (hostid=%lx)\n\tbefore it "
+ "can be safely imported.\n"), hostname,
+ (unsigned long) hostid);
+ break;
+ case ZPOOL_STATUS_HOSTID_REQUIRED:
+ (void) printf(gettext(" action: Set a unique system "
+ "hostid with the zgenhostid(8) command.\n"));
+ break;
+ default:
+ (void) printf(gettext(" action: The pool cannot be "
+ "imported due to damaged devices or data.\n"));
+ }
+ }
+
+ /* Print the comment attached to the pool. */
+ if (nvlist_lookup_string(config, ZPOOL_CONFIG_COMMENT, &comment) == 0)
+ (void) printf(gettext("comment: %s\n"), comment);
+
+ /*
+ * If the state is "closed" or "can't open", and the aux state
+ * is "corrupt data":
+ */
+ if (((vs->vs_state == VDEV_STATE_CLOSED) ||
+ (vs->vs_state == VDEV_STATE_CANT_OPEN)) &&
+ (vs->vs_aux == VDEV_AUX_CORRUPT_DATA)) {
+ if (pool_state == POOL_STATE_DESTROYED)
+ (void) printf(gettext("\tThe pool was destroyed, "
+ "but can be imported using the '-Df' flags.\n"));
+ else if (pool_state != POOL_STATE_EXPORTED)
+ (void) printf(gettext("\tThe pool may be active on "
+ "another system, but can be imported using\n\t"
+ "the '-f' flag.\n"));
+ }
+
+ if (msgid != NULL) {
+ (void) printf(gettext(
+ " see: https://zfsonlinux.org/msg/%s\n"), msgid);
+ }
+
+ (void) printf(gettext(" config:\n\n"));
+
+ cb.cb_namewidth = max_width(NULL, nvroot, 0, strlen(name),
+ VDEV_NAME_TYPE_ID);
+ if (cb.cb_namewidth < 10)
+ cb.cb_namewidth = 10;
+
+ print_import_config(&cb, name, nvroot, 0);
+
+ print_class_vdevs(NULL, &cb, nvroot, VDEV_ALLOC_BIAS_DEDUP);
+ print_class_vdevs(NULL, &cb, nvroot, VDEV_ALLOC_BIAS_SPECIAL);
+ print_class_vdevs(NULL, &cb, nvroot, VDEV_ALLOC_CLASS_LOGS);
+
+ if (reason == ZPOOL_STATUS_BAD_GUID_SUM) {
+ (void) printf(gettext("\n\tAdditional devices are known to "
+ "be part of this pool, though their\n\texact "
+ "configuration cannot be determined.\n"));
+ }
+}
+
+static boolean_t
+zfs_force_import_required(nvlist_t *config)
+{
+ uint64_t state;
+ uint64_t hostid = 0;
+ nvlist_t *nvinfo;
+
+ state = fnvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_STATE);
+ (void) nvlist_lookup_uint64(config, ZPOOL_CONFIG_HOSTID, &hostid);
+
+ if (state != POOL_STATE_EXPORTED && hostid != get_system_hostid())
+ return (B_TRUE);
+
+ nvinfo = fnvlist_lookup_nvlist(config, ZPOOL_CONFIG_LOAD_INFO);
+ if (nvlist_exists(nvinfo, ZPOOL_CONFIG_MMP_STATE)) {
+ mmp_state_t mmp_state = fnvlist_lookup_uint64(nvinfo,
+ ZPOOL_CONFIG_MMP_STATE);
+
+ if (mmp_state != MMP_STATE_INACTIVE)
+ return (B_TRUE);
+ }
+
+ return (B_FALSE);
+}
+
+/*
+ * Perform the import for the given configuration. This passes the heavy
+ * lifting off to zpool_import_props(), and then mounts the datasets contained
+ * within the pool.
+ */
+static int
+do_import(nvlist_t *config, const char *newname, const char *mntopts,
+ nvlist_t *props, int flags)
+{
+ int ret = 0;
+ zpool_handle_t *zhp;
+ char *name;
+ uint64_t version;
+
+ name = fnvlist_lookup_string(config, ZPOOL_CONFIG_POOL_NAME);
+ version = fnvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION);
+
+ if (!SPA_VERSION_IS_SUPPORTED(version)) {
+ (void) fprintf(stderr, gettext("cannot import '%s': pool "
+ "is formatted using an unsupported ZFS version\n"), name);
+ return (1);
+ } else if (zfs_force_import_required(config) &&
+ !(flags & ZFS_IMPORT_ANY_HOST)) {
+ mmp_state_t mmp_state = MMP_STATE_INACTIVE;
+ nvlist_t *nvinfo;
+
+ nvinfo = fnvlist_lookup_nvlist(config, ZPOOL_CONFIG_LOAD_INFO);
+ if (nvlist_exists(nvinfo, ZPOOL_CONFIG_MMP_STATE))
+ mmp_state = fnvlist_lookup_uint64(nvinfo,
+ ZPOOL_CONFIG_MMP_STATE);
+
+ if (mmp_state == MMP_STATE_ACTIVE) {
+ char *hostname = "<unknown>";
+ uint64_t hostid = 0;
+
+ if (nvlist_exists(nvinfo, ZPOOL_CONFIG_MMP_HOSTNAME))
+ hostname = fnvlist_lookup_string(nvinfo,
+ ZPOOL_CONFIG_MMP_HOSTNAME);
+
+ if (nvlist_exists(nvinfo, ZPOOL_CONFIG_MMP_HOSTID))
+ hostid = fnvlist_lookup_uint64(nvinfo,
+ ZPOOL_CONFIG_MMP_HOSTID);
+
+ (void) fprintf(stderr, gettext("cannot import '%s': "
+ "pool is imported on %s (hostid: "
+ "0x%lx)\nExport the pool on the other system, "
+ "then run 'zpool import'.\n"),
+ name, hostname, (unsigned long) hostid);
+ } else if (mmp_state == MMP_STATE_NO_HOSTID) {
+ (void) fprintf(stderr, gettext("Cannot import '%s': "
+ "pool has the multihost property on and the\n"
+ "system's hostid is not set. Set a unique hostid "
+ "with the zgenhostid(8) command.\n"), name);
+ } else {
+ char *hostname = "<unknown>";
+ uint64_t timestamp = 0;
+ uint64_t hostid = 0;
+
+ if (nvlist_exists(config, ZPOOL_CONFIG_HOSTNAME))
+ hostname = fnvlist_lookup_string(config,
+ ZPOOL_CONFIG_HOSTNAME);
+
+ if (nvlist_exists(config, ZPOOL_CONFIG_TIMESTAMP))
+ timestamp = fnvlist_lookup_uint64(config,
+ ZPOOL_CONFIG_TIMESTAMP);
+
+ if (nvlist_exists(config, ZPOOL_CONFIG_HOSTID))
+ hostid = fnvlist_lookup_uint64(config,
+ ZPOOL_CONFIG_HOSTID);
+
+ (void) fprintf(stderr, gettext("cannot import '%s': "
+ "pool was previously in use from another system.\n"
+ "Last accessed by %s (hostid=%lx) at %s"
+ "The pool can be imported, use 'zpool import -f' "
+ "to import the pool.\n"), name, hostname,
+ (unsigned long)hostid, ctime((time_t *)&timestamp));
+ }
+
+ return (1);
+ }
+
+ if (zpool_import_props(g_zfs, config, newname, props, flags) != 0)
+ return (1);
+
+ if (newname != NULL)
+ name = (char *)newname;
+
+ if ((zhp = zpool_open_canfail(g_zfs, name)) == NULL)
+ return (1);
+
+ /*
+ * Loading keys is best effort. We don't want to return immediately
+ * if it fails but we do want to give the error to the caller.
+ */
+ if (flags & ZFS_IMPORT_LOAD_KEYS) {
+ ret = zfs_crypto_attempt_load_keys(g_zfs, name);
+ if (ret != 0)
+ ret = 1;
+ }
+
+ if (zpool_get_state(zhp) != POOL_STATE_UNAVAIL &&
+ !(flags & ZFS_IMPORT_ONLY) &&
+ zpool_enable_datasets(zhp, mntopts, 0) != 0) {
+ zpool_close(zhp);
+ return (1);
+ }
+
+ zpool_close(zhp);
+ return (ret);
+}
+
+typedef struct target_exists_args {
+ const char *poolname;
+ uint64_t poolguid;
+} target_exists_args_t;
+
+static int
+name_or_guid_exists(zpool_handle_t *zhp, void *data)
+{
+ target_exists_args_t *args = data;
+ nvlist_t *config = zpool_get_config(zhp, NULL);
+ int found = 0;
+
+ if (config == NULL)
+ return (0);
+
+ if (args->poolname != NULL) {
+ char *pool_name;
+
+ verify(nvlist_lookup_string(config, ZPOOL_CONFIG_POOL_NAME,
+ &pool_name) == 0);
+ if (strcmp(pool_name, args->poolname) == 0)
+ found = 1;
+ } else {
+ uint64_t pool_guid;
+
+ verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_GUID,
+ &pool_guid) == 0);
+ if (pool_guid == args->poolguid)
+ found = 1;
+ }
+ zpool_close(zhp);
+
+ return (found);
+}
+/*
+ * zpool checkpoint <pool>
+ * checkpoint --discard <pool>
+ *
+ * -d Discard the checkpoint from a checkpointed
+ * --discard pool.
+ *
+ * -w Wait for discarding a checkpoint to complete.
+ * --wait
+ *
+ * Checkpoints the specified pool, by taking a "snapshot" of its
+ * current state. A pool can only have one checkpoint at a time.
+ */
+int
+zpool_do_checkpoint(int argc, char **argv)
+{
+ boolean_t discard, wait;
+ char *pool;
+ zpool_handle_t *zhp;
+ int c, err;
+
+ struct option long_options[] = {
+ {"discard", no_argument, NULL, 'd'},
+ {"wait", no_argument, NULL, 'w'},
+ {0, 0, 0, 0}
+ };
+
+ discard = B_FALSE;
+ wait = B_FALSE;
+ while ((c = getopt_long(argc, argv, ":dw", long_options, NULL)) != -1) {
+ switch (c) {
+ case 'd':
+ discard = B_TRUE;
+ break;
+ case 'w':
+ wait = B_TRUE;
+ break;
+ case '?':
+ (void) fprintf(stderr, gettext("invalid option '%c'\n"),
+ optopt);
+ usage(B_FALSE);
+ }
+ }
+
+ if (wait && !discard) {
+ (void) fprintf(stderr, gettext("--wait only valid when "
+ "--discard also specified\n"));
+ usage(B_FALSE);
+ }
+
+ argc -= optind;
+ argv += optind;
+
+ if (argc < 1) {
+ (void) fprintf(stderr, gettext("missing pool argument\n"));
+ usage(B_FALSE);
+ }
+
+ if (argc > 1) {
+ (void) fprintf(stderr, gettext("too many arguments\n"));
+ usage(B_FALSE);
+ }
+
+ pool = argv[0];
+
+ if ((zhp = zpool_open(g_zfs, pool)) == NULL) {
+ /* As a special case, check for use of '/' in the name */
+ if (strchr(pool, '/') != NULL)
+ (void) fprintf(stderr, gettext("'zpool checkpoint' "
+ "doesn't work on datasets. To save the state "
+ "of a dataset from a specific point in time "
+ "please use 'zfs snapshot'\n"));
+ return (1);
+ }
+
+ if (discard) {
+ err = (zpool_discard_checkpoint(zhp) != 0);
+ if (err == 0 && wait)
+ err = zpool_wait(zhp, ZPOOL_WAIT_CKPT_DISCARD);
+ } else {
+ err = (zpool_checkpoint(zhp) != 0);
+ }
+
+ zpool_close(zhp);
+
+ return (err);
+}
+
+#define CHECKPOINT_OPT 1024
+
+/*
+ * zpool import [-d dir] [-D]
+ * import [-o mntopts] [-o prop=value] ... [-R root] [-D] [-l]
+ * [-d dir | -c cachefile] [-f] -a
+ * import [-o mntopts] [-o prop=value] ... [-R root] [-D] [-l]
+ * [-d dir | -c cachefile] [-f] [-n] [-F] <pool | id> [newpool]
+ *
+ * -c Read pool information from a cachefile instead of searching
+ * devices.
+ *
+ * -d Scan in a specific directory, other than /dev/. More than
+ * one directory can be specified using multiple '-d' options.
+ *
+ * -D Scan for previously destroyed pools or import all or only
+ * specified destroyed pools.
+ *
+ * -R Temporarily import the pool, with all mountpoints relative to
+ * the given root. The pool will remain exported when the machine
+ * is rebooted.
+ *
+ * -V Import even in the presence of faulted vdevs. This is an
+ * intentionally undocumented option for testing purposes, and
+ * treats the pool configuration as complete, leaving any bad
+ * vdevs in the FAULTED state. In other words, it does verbatim
+ * import.
+ *
+ * -f Force import, even if it appears that the pool is active.
+ *
+ * -F Attempt rewind if necessary.
+ *
+ * -n See if rewind would work, but don't actually rewind.
+ *
+ * -N Import the pool but don't mount datasets.
+ *
+ * -T Specify a starting txg to use for import. This option is
+ * intentionally undocumented option for testing purposes.
+ *
+ * -a Import all pools found.
+ *
+ * -l Load encryption keys while importing.
+ *
+ * -o Set property=value and/or temporary mount options (without '=').
+ *
+ * -s Scan using the default search path, the libblkid cache will
+ * not be consulted.
+ *
+ * --rewind-to-checkpoint
+ * Import the pool and revert back to the checkpoint.
+ *
+ * The import command scans for pools to import, and import pools based on pool
+ * name and GUID. The pool can also be renamed as part of the import process.
+ */
+int
+zpool_do_import(int argc, char **argv)
+{
+ char **searchdirs = NULL;
+ char *env, *envdup = NULL;
+ int nsearch = 0;
+ int c;
+ int err = 0;
+ nvlist_t *pools = NULL;
+ boolean_t do_all = B_FALSE;
+ boolean_t do_destroyed = B_FALSE;
+ char *mntopts = NULL;
+ nvpair_t *elem;
+ nvlist_t *config;
+ uint64_t searchguid = 0;
+ char *searchname = NULL;
+ char *propval;
+ nvlist_t *found_config;
+ nvlist_t *policy = NULL;
+ nvlist_t *props = NULL;
+ boolean_t first;
+ int flags = ZFS_IMPORT_NORMAL;
+ uint32_t rewind_policy = ZPOOL_NO_REWIND;
+ boolean_t dryrun = B_FALSE;
+ boolean_t do_rewind = B_FALSE;
+ boolean_t xtreme_rewind = B_FALSE;
+ boolean_t do_scan = B_FALSE;
+ boolean_t pool_exists = B_FALSE;
+ uint64_t pool_state, txg = -1ULL;
+ char *cachefile = NULL;
+ importargs_t idata = { 0 };
+ char *endptr;
+
+ struct option long_options[] = {
+ {"rewind-to-checkpoint", no_argument, NULL, CHECKPOINT_OPT},
+ {0, 0, 0, 0}
+ };
+
+ /* check options */
+ while ((c = getopt_long(argc, argv, ":aCc:d:DEfFlmnNo:R:stT:VX",
+ long_options, NULL)) != -1) {
+ switch (c) {
+ case 'a':
+ do_all = B_TRUE;
+ break;
+ case 'c':
+ cachefile = optarg;
+ break;
+ case 'd':
+ if (searchdirs == NULL) {
+ searchdirs = safe_malloc(sizeof (char *));
+ } else {
+ char **tmp = safe_malloc((nsearch + 1) *
+ sizeof (char *));
+ bcopy(searchdirs, tmp, nsearch *
+ sizeof (char *));
+ free(searchdirs);
+ searchdirs = tmp;
+ }
+ searchdirs[nsearch++] = optarg;
+ break;
+ case 'D':
+ do_destroyed = B_TRUE;
+ break;
+ case 'f':
+ flags |= ZFS_IMPORT_ANY_HOST;
+ break;
+ case 'F':
+ do_rewind = B_TRUE;
+ break;
+ case 'l':
+ flags |= ZFS_IMPORT_LOAD_KEYS;
+ break;
+ case 'm':
+ flags |= ZFS_IMPORT_MISSING_LOG;
+ break;
+ case 'n':
+ dryrun = B_TRUE;
+ break;
+ case 'N':
+ flags |= ZFS_IMPORT_ONLY;
+ break;
+ case 'o':
+ if ((propval = strchr(optarg, '=')) != NULL) {
+ *propval = '\0';
+ propval++;
+ if (add_prop_list(optarg, propval,
+ &props, B_TRUE))
+ goto error;
+ } else {
+ mntopts = optarg;
+ }
+ break;
+ case 'R':
+ if (add_prop_list(zpool_prop_to_name(
+ ZPOOL_PROP_ALTROOT), optarg, &props, B_TRUE))
+ goto error;
+ if (add_prop_list_default(zpool_prop_to_name(
+ ZPOOL_PROP_CACHEFILE), "none", &props, B_TRUE))
+ goto error;
+ break;
+ case 's':
+ do_scan = B_TRUE;
+ break;
+ case 't':
+ flags |= ZFS_IMPORT_TEMP_NAME;
+ if (add_prop_list_default(zpool_prop_to_name(
+ ZPOOL_PROP_CACHEFILE), "none", &props, B_TRUE))
+ goto error;
+ break;
+
+ case 'T':
+ errno = 0;
+ txg = strtoull(optarg, &endptr, 0);
+ if (errno != 0 || *endptr != '\0') {
+ (void) fprintf(stderr,
+ gettext("invalid txg value\n"));
+ usage(B_FALSE);
+ }
+ rewind_policy = ZPOOL_DO_REWIND | ZPOOL_EXTREME_REWIND;
+ break;
+ case 'V':
+ flags |= ZFS_IMPORT_VERBATIM;
+ break;
+ case 'X':
+ xtreme_rewind = B_TRUE;
+ break;
+ case CHECKPOINT_OPT:
+ flags |= ZFS_IMPORT_CHECKPOINT;
+ break;
+ case ':':
+ (void) fprintf(stderr, gettext("missing argument for "
+ "'%c' option\n"), optopt);
+ usage(B_FALSE);
+ break;
+ case '?':
+ (void) fprintf(stderr, gettext("invalid option '%c'\n"),
+ optopt);
+ usage(B_FALSE);
+ }
+ }
+
+ argc -= optind;
+ argv += optind;
+
+ if (cachefile && nsearch != 0) {
+ (void) fprintf(stderr, gettext("-c is incompatible with -d\n"));
+ usage(B_FALSE);
+ }
+
+ if ((flags & ZFS_IMPORT_LOAD_KEYS) && (flags & ZFS_IMPORT_ONLY)) {
+ (void) fprintf(stderr, gettext("-l is incompatible with -N\n"));
+ usage(B_FALSE);
+ }
+
+ if ((flags & ZFS_IMPORT_LOAD_KEYS) && !do_all && argc == 0) {
+ (void) fprintf(stderr, gettext("-l is only meaningful during "
+ "an import\n"));
+ usage(B_FALSE);
+ }
+
+ if ((dryrun || xtreme_rewind) && !do_rewind) {
+ (void) fprintf(stderr,
+ gettext("-n or -X only meaningful with -F\n"));
+ usage(B_FALSE);
+ }
+ if (dryrun)
+ rewind_policy = ZPOOL_TRY_REWIND;
+ else if (do_rewind)
+ rewind_policy = ZPOOL_DO_REWIND;
+ if (xtreme_rewind)
+ rewind_policy |= ZPOOL_EXTREME_REWIND;
+
+ /* In the future, we can capture further policy and include it here */
+ if (nvlist_alloc(&policy, NV_UNIQUE_NAME, 0) != 0 ||
+ nvlist_add_uint64(policy, ZPOOL_LOAD_REQUEST_TXG, txg) != 0 ||
+ nvlist_add_uint32(policy, ZPOOL_LOAD_REWIND_POLICY,
+ rewind_policy) != 0)
+ goto error;
+
+ /* check argument count */
+ if (do_all) {
+ if (argc != 0) {
+ (void) fprintf(stderr, gettext("too many arguments\n"));
+ usage(B_FALSE);
+ }
+ } else {
+ if (argc > 2) {
+ (void) fprintf(stderr, gettext("too many arguments\n"));
+ usage(B_FALSE);
+ }
+ }
+
+ /*
+ * Check for the effective uid. We do this explicitly here because
+ * otherwise any attempt to discover pools will silently fail.
+ */
+ if (argc == 0 && geteuid() != 0) {
+ (void) fprintf(stderr, gettext("cannot "
+ "discover pools: permission denied\n"));
+ if (searchdirs != NULL)
+ free(searchdirs);
+
+ nvlist_free(props);
+ nvlist_free(policy);
+ return (1);
+ }
+
+ /*
+ * Depending on the arguments given, we do one of the following:
+ *
+ * <none> Iterate through all pools and display information about
+ * each one.
+ *
+ * -a Iterate through all pools and try to import each one.
+ *
+ * <id> Find the pool that corresponds to the given GUID/pool
+ * name and import that one.
+ *
+ * -D Above options applies only to destroyed pools.
+ */
+ if (argc != 0) {
+ char *endptr;
+
+ errno = 0;
+ searchguid = strtoull(argv[0], &endptr, 10);
+ if (errno != 0 || *endptr != '\0') {
+ searchname = argv[0];
+ searchguid = 0;
+ }
+ found_config = NULL;
+
+ /*
+ * User specified a name or guid. Ensure it's unique.
+ */
+ target_exists_args_t search = {searchname, searchguid};
+ pool_exists = zpool_iter(g_zfs, name_or_guid_exists, &search);
+ }
+
+ /*
+ * Check the environment for the preferred search path.
+ */
+ if ((searchdirs == NULL) && (env = getenv("ZPOOL_IMPORT_PATH"))) {
+ char *dir;
+
+ envdup = strdup(env);
+
+ dir = strtok(envdup, ":");
+ while (dir != NULL) {
+ if (searchdirs == NULL) {
+ searchdirs = safe_malloc(sizeof (char *));
+ } else {
+ char **tmp = safe_malloc((nsearch + 1) *
+ sizeof (char *));
+ bcopy(searchdirs, tmp, nsearch *
+ sizeof (char *));
+ free(searchdirs);
+ searchdirs = tmp;
+ }
+ searchdirs[nsearch++] = dir;
+ dir = strtok(NULL, ":");
+ }
+ }
+
+ idata.path = searchdirs;
+ idata.paths = nsearch;
+ idata.poolname = searchname;
+ idata.guid = searchguid;
+ idata.cachefile = cachefile;
+ idata.scan = do_scan;
+ idata.policy = policy;
+
+ pools = zpool_search_import(g_zfs, &idata, &libzfs_config_ops);
+
+ if (pools != NULL && pool_exists &&
+ (argc == 1 || strcmp(argv[0], argv[1]) == 0)) {
+ (void) fprintf(stderr, gettext("cannot import '%s': "
+ "a pool with that name already exists\n"),
+ argv[0]);
+ (void) fprintf(stderr, gettext("use the form '%s "
+ "<pool | id> <newpool>' to give it a new name\n"),
+ "zpool import");
+ err = 1;
+ } else if (pools == NULL && pool_exists) {
+ (void) fprintf(stderr, gettext("cannot import '%s': "
+ "a pool with that name is already created/imported,\n"),
+ argv[0]);
+ (void) fprintf(stderr, gettext("and no additional pools "
+ "with that name were found\n"));
+ err = 1;
+ } else if (pools == NULL) {
+ if (argc != 0) {
+ (void) fprintf(stderr, gettext("cannot import '%s': "
+ "no such pool available\n"), argv[0]);
+ }
+ err = 1;
+ }
+
+ if (err == 1) {
+ if (searchdirs != NULL)
+ free(searchdirs);
+ if (envdup != NULL)
+ free(envdup);
+ nvlist_free(policy);
+ nvlist_free(pools);
+ nvlist_free(props);
+ return (1);
+ }
+
+ /*
+ * At this point we have a list of import candidate configs. Even if
+ * we were searching by pool name or guid, we still need to
+ * post-process the list to deal with pool state and possible
+ * duplicate names.
+ */
+ err = 0;
+ elem = NULL;
+ first = B_TRUE;
+ while ((elem = nvlist_next_nvpair(pools, elem)) != NULL) {
+
+ verify(nvpair_value_nvlist(elem, &config) == 0);
+
+ verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_STATE,
+ &pool_state) == 0);
+ if (!do_destroyed && pool_state == POOL_STATE_DESTROYED)
+ continue;
+ if (do_destroyed && pool_state != POOL_STATE_DESTROYED)
+ continue;
+
+ verify(nvlist_add_nvlist(config, ZPOOL_LOAD_POLICY,
+ policy) == 0);
+
+ if (argc == 0) {
+ if (first)
+ first = B_FALSE;
+ else if (!do_all)
+ (void) printf("\n");
+
+ if (do_all) {
+ err |= do_import(config, NULL, mntopts,
+ props, flags);
+ } else {
+ show_import(config);
+ }
+ } else if (searchname != NULL) {
+ char *name;
+
+ /*
+ * We are searching for a pool based on name.
+ */
+ verify(nvlist_lookup_string(config,
+ ZPOOL_CONFIG_POOL_NAME, &name) == 0);
+
+ if (strcmp(name, searchname) == 0) {
+ if (found_config != NULL) {
+ (void) fprintf(stderr, gettext(
+ "cannot import '%s': more than "
+ "one matching pool\n"), searchname);
+ (void) fprintf(stderr, gettext(
+ "import by numeric ID instead\n"));
+ err = B_TRUE;
+ }
+ found_config = config;
+ }
+ } else {
+ uint64_t guid;
+
+ /*
+ * Search for a pool by guid.
+ */
+ verify(nvlist_lookup_uint64(config,
+ ZPOOL_CONFIG_POOL_GUID, &guid) == 0);
+
+ if (guid == searchguid)
+ found_config = config;
+ }
+ }
+
+ /*
+ * If we were searching for a specific pool, verify that we found a
+ * pool, and then do the import.
+ */
+ if (argc != 0 && err == 0) {
+ if (found_config == NULL) {
+ (void) fprintf(stderr, gettext("cannot import '%s': "
+ "no such pool available\n"), argv[0]);
+ err = B_TRUE;
+ } else {
+ err |= do_import(found_config, argc == 1 ? NULL :
+ argv[1], mntopts, props, flags);
+ }
+ }
+
+ /*
+ * If we were just looking for pools, report an error if none were
+ * found.
+ */
+ if (argc == 0 && first)
+ (void) fprintf(stderr,
+ gettext("no pools available to import\n"));
+
+error:
+ nvlist_free(props);
+ nvlist_free(pools);
+ nvlist_free(policy);
+ if (searchdirs != NULL)
+ free(searchdirs);
+ if (envdup != NULL)
+ free(envdup);
+
+ return (err ? 1 : 0);
+}
+
+/*
+ * zpool sync [-f] [pool] ...
+ *
+ * -f (undocumented) force uberblock (and config including zpool cache file)
+ * update.
+ *
+ * Sync the specified pool(s).
+ * Without arguments "zpool sync" will sync all pools.
+ * This command initiates TXG sync(s) and will return after the TXG(s) commit.
+ *
+ */
+static int
+zpool_do_sync(int argc, char **argv)
+{
+ int ret;
+ boolean_t force = B_FALSE;
+
+ /* check options */
+ while ((ret = getopt(argc, argv, "f")) != -1) {
+ switch (ret) {
+ case 'f':
+ force = B_TRUE;
+ break;
+ case '?':
+ (void) fprintf(stderr, gettext("invalid option '%c'\n"),
+ optopt);
+ usage(B_FALSE);
+ }
+ }
+
+ argc -= optind;
+ argv += optind;
+
+ /* if argc == 0 we will execute zpool_sync_one on all pools */
+ ret = for_each_pool(argc, argv, B_FALSE, NULL, zpool_sync_one, &force);
+
+ return (ret);
+}
+
+typedef struct iostat_cbdata {
+ uint64_t cb_flags;
+ int cb_name_flags;
+ int cb_namewidth;
+ int cb_iteration;
+ char **cb_vdev_names; /* Only show these vdevs */
+ unsigned int cb_vdev_names_count;
+ boolean_t cb_verbose;
+ boolean_t cb_literal;
+ boolean_t cb_scripted;
+ zpool_list_t *cb_list;
+ vdev_cmd_data_list_t *vcdl;
+} iostat_cbdata_t;
+
+/* iostat labels */
+typedef struct name_and_columns {
+ const char *name; /* Column name */
+ unsigned int columns; /* Center name to this number of columns */
+} name_and_columns_t;
+
+#define IOSTAT_MAX_LABELS 13 /* Max number of labels on one line */
+
+static const name_and_columns_t iostat_top_labels[][IOSTAT_MAX_LABELS] =
+{
+ [IOS_DEFAULT] = {{"capacity", 2}, {"operations", 2}, {"bandwidth", 2},
+ {NULL}},
+ [IOS_LATENCY] = {{"total_wait", 2}, {"disk_wait", 2}, {"syncq_wait", 2},
+ {"asyncq_wait", 2}, {"scrub", 1}, {"trim", 1}, {NULL}},
+ [IOS_QUEUES] = {{"syncq_read", 2}, {"syncq_write", 2},
+ {"asyncq_read", 2}, {"asyncq_write", 2}, {"scrubq_read", 2},
+ {"trimq_write", 2}, {NULL}},
+ [IOS_L_HISTO] = {{"total_wait", 2}, {"disk_wait", 2}, {"syncq_wait", 2},
+ {"asyncq_wait", 2}, {NULL}},
+ [IOS_RQ_HISTO] = {{"sync_read", 2}, {"sync_write", 2},
+ {"async_read", 2}, {"async_write", 2}, {"scrub", 2},
+ {"trim", 2}, {NULL}},
+};
+
+/* Shorthand - if "columns" field not set, default to 1 column */
+static const name_and_columns_t iostat_bottom_labels[][IOSTAT_MAX_LABELS] =
+{
+ [IOS_DEFAULT] = {{"alloc"}, {"free"}, {"read"}, {"write"}, {"read"},
+ {"write"}, {NULL}},
+ [IOS_LATENCY] = {{"read"}, {"write"}, {"read"}, {"write"}, {"read"},
+ {"write"}, {"read"}, {"write"}, {"wait"}, {"wait"}, {NULL}},
+ [IOS_QUEUES] = {{"pend"}, {"activ"}, {"pend"}, {"activ"}, {"pend"},
+ {"activ"}, {"pend"}, {"activ"}, {"pend"}, {"activ"},
+ {"pend"}, {"activ"}, {NULL}},
+ [IOS_L_HISTO] = {{"read"}, {"write"}, {"read"}, {"write"}, {"read"},
+ {"write"}, {"read"}, {"write"}, {"scrub"}, {"trim"}, {NULL}},
+ [IOS_RQ_HISTO] = {{"ind"}, {"agg"}, {"ind"}, {"agg"}, {"ind"}, {"agg"},
+ {"ind"}, {"agg"}, {"ind"}, {"agg"}, {"ind"}, {"agg"}, {NULL}},
+};
+
+static const char *histo_to_title[] = {
+ [IOS_L_HISTO] = "latency",
+ [IOS_RQ_HISTO] = "req_size",
+};
+
+/*
+ * Return the number of labels in a null-terminated name_and_columns_t
+ * array.
+ *
+ */
+static unsigned int
+label_array_len(const name_and_columns_t *labels)
+{
+ int i = 0;
+
+ while (labels[i].name)
+ i++;
+
+ return (i);
+}
+
+/*
+ * Return the number of strings in a null-terminated string array.
+ * For example:
+ *
+ * const char foo[] = {"bar", "baz", NULL}
+ *
+ * returns 2
+ */
+static uint64_t
+str_array_len(const char *array[])
+{
+ uint64_t i = 0;
+ while (array[i])
+ i++;
+
+ return (i);
+}
+
+
+/*
+ * Return a default column width for default/latency/queue columns. This does
+ * not include histograms, which have their columns autosized.
+ */
+static unsigned int
+default_column_width(iostat_cbdata_t *cb, enum iostat_type type)
+{
+ unsigned long column_width = 5; /* Normal niceprint */
+ static unsigned long widths[] = {
+ /*
+ * Choose some sane default column sizes for printing the
+ * raw numbers.
+ */
+ [IOS_DEFAULT] = 15, /* 1PB capacity */
+ [IOS_LATENCY] = 10, /* 1B ns = 10sec */
+ [IOS_QUEUES] = 6, /* 1M queue entries */
+ [IOS_L_HISTO] = 10, /* 1B ns = 10sec */
+ [IOS_RQ_HISTO] = 6, /* 1M queue entries */
+ };
+
+ if (cb->cb_literal)
+ column_width = widths[type];
+
+ return (column_width);
+}
+
+/*
+ * Print the column labels, i.e:
+ *
+ * capacity operations bandwidth
+ * alloc free read write read write ...
+ *
+ * If force_column_width is set, use it for the column width. If not set, use
+ * the default column width.
+ */
+static void
+print_iostat_labels(iostat_cbdata_t *cb, unsigned int force_column_width,
+ const name_and_columns_t labels[][IOSTAT_MAX_LABELS])
+{
+ int i, idx, s;
+ int text_start, rw_column_width, spaces_to_end;
+ uint64_t flags = cb->cb_flags;
+ uint64_t f;
+ unsigned int column_width = force_column_width;
+
+ /* For each bit set in flags */
+ for (f = flags; f; f &= ~(1ULL << idx)) {
+ idx = lowbit64(f) - 1;
+ if (!force_column_width)
+ column_width = default_column_width(cb, idx);
+ /* Print our top labels centered over "read write" label. */
+ for (i = 0; i < label_array_len(labels[idx]); i++) {
+ const char *name = labels[idx][i].name;
+ /*
+ * We treat labels[][].columns == 0 as shorthand
+ * for one column. It makes writing out the label
+ * tables more concise.
+ */
+ unsigned int columns = MAX(1, labels[idx][i].columns);
+ unsigned int slen = strlen(name);
+
+ rw_column_width = (column_width * columns) +
+ (2 * (columns - 1));
+
+ text_start = (int)((rw_column_width) / columns -
+ slen / columns);
+ if (text_start < 0)
+ text_start = 0;
+
+ printf(" "); /* Two spaces between columns */
+
+ /* Space from beginning of column to label */
+ for (s = 0; s < text_start; s++)
+ printf(" ");
+
+ printf("%s", name);
+
+ /* Print space after label to end of column */
+ spaces_to_end = rw_column_width - text_start - slen;
+ if (spaces_to_end < 0)
+ spaces_to_end = 0;
+
+ for (s = 0; s < spaces_to_end; s++)
+ printf(" ");
+ }
+ }
+}
+
+
+/*
+ * print_cmd_columns - Print custom column titles from -c
+ *
+ * If the user specified the "zpool status|iostat -c" then print their custom
+ * column titles in the header. For example, print_cmd_columns() would print
+ * the " col1 col2" part of this:
+ *
+ * $ zpool iostat -vc 'echo col1=val1; echo col2=val2'
+ * ...
+ * capacity operations bandwidth
+ * pool alloc free read write read write col1 col2
+ * ---------- ----- ----- ----- ----- ----- ----- ---- ----
+ * mypool 269K 1008M 0 0 107 946
+ * mirror 269K 1008M 0 0 107 946
+ * sdb - - 0 0 102 473 val1 val2
+ * sdc - - 0 0 5 473 val1 val2
+ * ---------- ----- ----- ----- ----- ----- ----- ---- ----
+ */
+static void
+print_cmd_columns(vdev_cmd_data_list_t *vcdl, int use_dashes)
+{
+ int i, j;
+ vdev_cmd_data_t *data = &vcdl->data[0];
+
+ if (vcdl->count == 0 || data == NULL)
+ return;
+
+ /*
+ * Each vdev cmd should have the same column names unless the user did
+ * something weird with their cmd. Just take the column names from the
+ * first vdev and assume it works for all of them.
+ */
+ for (i = 0; i < vcdl->uniq_cols_cnt; i++) {
+ printf(" ");
+ if (use_dashes) {
+ for (j = 0; j < vcdl->uniq_cols_width[i]; j++)
+ printf("-");
+ } else {
+ printf_color(ANSI_BOLD, "%*s", vcdl->uniq_cols_width[i],
+ vcdl->uniq_cols[i]);
+ }
+ }
+}
+
+
+/*
+ * Utility function to print out a line of dashes like:
+ *
+ * -------------------------------- ----- ----- ----- ----- -----
+ *
+ * ...or a dashed named-row line like:
+ *
+ * logs - - - - -
+ *
+ * @cb: iostat data
+ *
+ * @force_column_width If non-zero, use the value as the column width.
+ * Otherwise use the default column widths.
+ *
+ * @name: Print a dashed named-row line starting
+ * with @name. Otherwise, print a regular
+ * dashed line.
+ */
+static void
+print_iostat_dashes(iostat_cbdata_t *cb, unsigned int force_column_width,
+ const char *name)
+{
+ int i;
+ unsigned int namewidth;
+ uint64_t flags = cb->cb_flags;
+ uint64_t f;
+ int idx;
+ const name_and_columns_t *labels;
+ const char *title;
+
+
+ if (cb->cb_flags & IOS_ANYHISTO_M) {
+ title = histo_to_title[IOS_HISTO_IDX(cb->cb_flags)];
+ } else if (cb->cb_vdev_names_count) {
+ title = "vdev";
+ } else {
+ title = "pool";
+ }
+
+ namewidth = MAX(MAX(strlen(title), cb->cb_namewidth),
+ name ? strlen(name) : 0);
+
+
+ if (name) {
+ printf("%-*s", namewidth, name);
+ } else {
+ for (i = 0; i < namewidth; i++)
+ (void) printf("-");
+ }
+
+ /* For each bit in flags */
+ for (f = flags; f; f &= ~(1ULL << idx)) {
+ unsigned int column_width;
+ idx = lowbit64(f) - 1;
+ if (force_column_width)
+ column_width = force_column_width;
+ else
+ column_width = default_column_width(cb, idx);
+
+ labels = iostat_bottom_labels[idx];
+ for (i = 0; i < label_array_len(labels); i++) {
+ if (name)
+ printf(" %*s-", column_width - 1, " ");
+ else
+ printf(" %.*s", column_width,
+ "--------------------");
+ }
+ }
+}
+
+
+static void
+print_iostat_separator_impl(iostat_cbdata_t *cb,
+ unsigned int force_column_width)
+{
+ print_iostat_dashes(cb, force_column_width, NULL);
+}
+
+static void
+print_iostat_separator(iostat_cbdata_t *cb)
+{
+ print_iostat_separator_impl(cb, 0);
+}
+
+static void
+print_iostat_header_impl(iostat_cbdata_t *cb, unsigned int force_column_width,
+ const char *histo_vdev_name)
+{
+ unsigned int namewidth;
+ const char *title;
+
+ if (cb->cb_flags & IOS_ANYHISTO_M) {
+ title = histo_to_title[IOS_HISTO_IDX(cb->cb_flags)];
+ } else if (cb->cb_vdev_names_count) {
+ title = "vdev";
+ } else {
+ title = "pool";
+ }
+
+ namewidth = MAX(MAX(strlen(title), cb->cb_namewidth),
+ histo_vdev_name ? strlen(histo_vdev_name) : 0);
+
+ if (histo_vdev_name)
+ printf("%-*s", namewidth, histo_vdev_name);
+ else
+ printf("%*s", namewidth, "");
+
+
+ print_iostat_labels(cb, force_column_width, iostat_top_labels);
+ printf("\n");
+
+ printf("%-*s", namewidth, title);
+
+ print_iostat_labels(cb, force_column_width, iostat_bottom_labels);
+ if (cb->vcdl != NULL)
+ print_cmd_columns(cb->vcdl, 0);
+
+ printf("\n");
+
+ print_iostat_separator_impl(cb, force_column_width);
+
+ if (cb->vcdl != NULL)
+ print_cmd_columns(cb->vcdl, 1);
+
+ printf("\n");
+}
+
+static void
+print_iostat_header(iostat_cbdata_t *cb)
+{
+ print_iostat_header_impl(cb, 0, NULL);
+}
+
+
+/*
+ * Display a single statistic.
+ */
+static void
+print_one_stat(uint64_t value, enum zfs_nicenum_format format,
+ unsigned int column_size, boolean_t scripted)
+{
+ char buf[64];
+
+ zfs_nicenum_format(value, buf, sizeof (buf), format);
+
+ if (scripted)
+ printf("\t%s", buf);
+ else
+ printf(" %*s", column_size, buf);
+}
+
+/*
+ * Calculate the default vdev stats
+ *
+ * Subtract oldvs from newvs, apply a scaling factor, and save the resulting
+ * stats into calcvs.
+ */
+static void
+calc_default_iostats(vdev_stat_t *oldvs, vdev_stat_t *newvs,
+ vdev_stat_t *calcvs)
+{
+ int i;
+
+ memcpy(calcvs, newvs, sizeof (*calcvs));
+ for (i = 0; i < ARRAY_SIZE(calcvs->vs_ops); i++)
+ calcvs->vs_ops[i] = (newvs->vs_ops[i] - oldvs->vs_ops[i]);
+
+ for (i = 0; i < ARRAY_SIZE(calcvs->vs_bytes); i++)
+ calcvs->vs_bytes[i] = (newvs->vs_bytes[i] - oldvs->vs_bytes[i]);
+}
+
+/*
+ * Internal representation of the extended iostats data.
+ *
+ * The extended iostat stats are exported in nvlists as either uint64_t arrays
+ * or single uint64_t's. We make both look like arrays to make them easier
+ * to process. In order to make single uint64_t's look like arrays, we set
+ * __data to the stat data, and then set *data = &__data with count = 1. Then,
+ * we can just use *data and count.
+ */
+struct stat_array {
+ uint64_t *data;
+ uint_t count; /* Number of entries in data[] */
+ uint64_t __data; /* Only used when data is a single uint64_t */
+};
+
+static uint64_t
+stat_histo_max(struct stat_array *nva, unsigned int len)
+{
+ uint64_t max = 0;
+ int i;
+ for (i = 0; i < len; i++)
+ max = MAX(max, array64_max(nva[i].data, nva[i].count));
+
+ return (max);
+}
+
+/*
+ * Helper function to lookup a uint64_t array or uint64_t value and store its
+ * data as a stat_array. If the nvpair is a single uint64_t value, then we make
+ * it look like a one element array to make it easier to process.
+ */
+static int
+nvpair64_to_stat_array(nvlist_t *nvl, const char *name,
+ struct stat_array *nva)
+{
+ nvpair_t *tmp;
+ int ret;
+
+ verify(nvlist_lookup_nvpair(nvl, name, &tmp) == 0);
+ switch (nvpair_type(tmp)) {
+ case DATA_TYPE_UINT64_ARRAY:
+ ret = nvpair_value_uint64_array(tmp, &nva->data, &nva->count);
+ break;
+ case DATA_TYPE_UINT64:
+ ret = nvpair_value_uint64(tmp, &nva->__data);
+ nva->data = &nva->__data;
+ nva->count = 1;
+ break;
+ default:
+ /* Not a uint64_t */
+ ret = EINVAL;
+ break;
+ }
+
+ return (ret);
+}
+
+/*
+ * Given a list of nvlist names, look up the extended stats in newnv and oldnv,
+ * subtract them, and return the results in a newly allocated stat_array.
+ * You must free the returned array after you are done with it with
+ * free_calc_stats().
+ *
+ * Additionally, you can set "oldnv" to NULL if you simply want the newnv
+ * values.
+ */
+static struct stat_array *
+calc_and_alloc_stats_ex(const char **names, unsigned int len, nvlist_t *oldnv,
+ nvlist_t *newnv)
+{
+ nvlist_t *oldnvx = NULL, *newnvx;
+ struct stat_array *oldnva, *newnva, *calcnva;
+ int i, j;
+ unsigned int alloc_size = (sizeof (struct stat_array)) * len;
+
+ /* Extract our extended stats nvlist from the main list */
+ verify(nvlist_lookup_nvlist(newnv, ZPOOL_CONFIG_VDEV_STATS_EX,
+ &newnvx) == 0);
+ if (oldnv) {
+ verify(nvlist_lookup_nvlist(oldnv, ZPOOL_CONFIG_VDEV_STATS_EX,
+ &oldnvx) == 0);
+ }
+
+ newnva = safe_malloc(alloc_size);
+ oldnva = safe_malloc(alloc_size);
+ calcnva = safe_malloc(alloc_size);
+
+ for (j = 0; j < len; j++) {
+ verify(nvpair64_to_stat_array(newnvx, names[j],
+ &newnva[j]) == 0);
+ calcnva[j].count = newnva[j].count;
+ alloc_size = calcnva[j].count * sizeof (calcnva[j].data[0]);
+ calcnva[j].data = safe_malloc(alloc_size);
+ memcpy(calcnva[j].data, newnva[j].data, alloc_size);
+
+ if (oldnvx) {
+ verify(nvpair64_to_stat_array(oldnvx, names[j],
+ &oldnva[j]) == 0);
+ for (i = 0; i < oldnva[j].count; i++)
+ calcnva[j].data[i] -= oldnva[j].data[i];
+ }
+ }
+ free(newnva);
+ free(oldnva);
+ return (calcnva);
+}
+
+static void
+free_calc_stats(struct stat_array *nva, unsigned int len)
+{
+ int i;
+ for (i = 0; i < len; i++)
+ free(nva[i].data);
+
+ free(nva);
+}
+
+static void
+print_iostat_histo(struct stat_array *nva, unsigned int len,
+ iostat_cbdata_t *cb, unsigned int column_width, unsigned int namewidth,
+ double scale)
+{
+ int i, j;
+ char buf[6];
+ uint64_t val;
+ enum zfs_nicenum_format format;
+ unsigned int buckets;
+ unsigned int start_bucket;
+
+ if (cb->cb_literal)
+ format = ZFS_NICENUM_RAW;
+ else
+ format = ZFS_NICENUM_1024;
+
+ /* All these histos are the same size, so just use nva[0].count */
+ buckets = nva[0].count;
+
+ if (cb->cb_flags & IOS_RQ_HISTO_M) {
+ /* Start at 512 - req size should never be lower than this */
+ start_bucket = 9;
+ } else {
+ start_bucket = 0;
+ }
+
+ for (j = start_bucket; j < buckets; j++) {
+ /* Print histogram bucket label */
+ if (cb->cb_flags & IOS_L_HISTO_M) {
+ /* Ending range of this bucket */
+ val = (1UL << (j + 1)) - 1;
+ zfs_nicetime(val, buf, sizeof (buf));
+ } else {
+ /* Request size (starting range of bucket) */
+ val = (1UL << j);
+ zfs_nicenum(val, buf, sizeof (buf));
+ }
+
+ if (cb->cb_scripted)
+ printf("%llu", (u_longlong_t)val);
+ else
+ printf("%-*s", namewidth, buf);
+
+ /* Print the values on the line */
+ for (i = 0; i < len; i++) {
+ print_one_stat(nva[i].data[j] * scale, format,
+ column_width, cb->cb_scripted);
+ }
+ printf("\n");
+ }
+}
+
+static void
+print_solid_separator(unsigned int length)
+{
+ while (length--)
+ printf("-");
+ printf("\n");
+}
+
+static void
+print_iostat_histos(iostat_cbdata_t *cb, nvlist_t *oldnv,
+ nvlist_t *newnv, double scale, const char *name)
+{
+ unsigned int column_width;
+ unsigned int namewidth;
+ unsigned int entire_width;
+ enum iostat_type type;
+ struct stat_array *nva;
+ const char **names;
+ unsigned int names_len;
+
+ /* What type of histo are we? */
+ type = IOS_HISTO_IDX(cb->cb_flags);
+
+ /* Get NULL-terminated array of nvlist names for our histo */
+ names = vsx_type_to_nvlist[type];
+ names_len = str_array_len(names); /* num of names */
+
+ nva = calc_and_alloc_stats_ex(names, names_len, oldnv, newnv);
+
+ if (cb->cb_literal) {
+ column_width = MAX(5,
+ (unsigned int) log10(stat_histo_max(nva, names_len)) + 1);
+ } else {
+ column_width = 5;
+ }
+
+ namewidth = MAX(cb->cb_namewidth,
+ strlen(histo_to_title[IOS_HISTO_IDX(cb->cb_flags)]));
+
+ /*
+ * Calculate the entire line width of what we're printing. The
+ * +2 is for the two spaces between columns:
+ */
+ /* read write */
+ /* ----- ----- */
+ /* |___| <---------- column_width */
+ /* */
+ /* |__________| <--- entire_width */
+ /* */
+ entire_width = namewidth + (column_width + 2) *
+ label_array_len(iostat_bottom_labels[type]);
+
+ if (cb->cb_scripted)
+ printf("%s\n", name);
+ else
+ print_iostat_header_impl(cb, column_width, name);
+
+ print_iostat_histo(nva, names_len, cb, column_width,
+ namewidth, scale);
+
+ free_calc_stats(nva, names_len);
+ if (!cb->cb_scripted)
+ print_solid_separator(entire_width);
+}
+
+/*
+ * Calculate the average latency of a power-of-two latency histogram
+ */
+static uint64_t
+single_histo_average(uint64_t *histo, unsigned int buckets)
+{
+ int i;
+ uint64_t count = 0, total = 0;
+
+ for (i = 0; i < buckets; i++) {
+ /*
+ * Our buckets are power-of-two latency ranges. Use the
+ * midpoint latency of each bucket to calculate the average.
+ * For example:
+ *
+ * Bucket Midpoint
+ * 8ns-15ns: 12ns
+ * 16ns-31ns: 24ns
+ * ...
+ */
+ if (histo[i] != 0) {
+ total += histo[i] * (((1UL << i) + ((1UL << i)/2)));
+ count += histo[i];
+ }
+ }
+
+ /* Prevent divide by zero */
+ return (count == 0 ? 0 : total / count);
+}
+
+static void
+print_iostat_queues(iostat_cbdata_t *cb, nvlist_t *oldnv,
+ nvlist_t *newnv)
+{
+ int i;
+ uint64_t val;
+ const char *names[] = {
+ ZPOOL_CONFIG_VDEV_SYNC_R_PEND_QUEUE,
+ ZPOOL_CONFIG_VDEV_SYNC_R_ACTIVE_QUEUE,
+ ZPOOL_CONFIG_VDEV_SYNC_W_PEND_QUEUE,
+ ZPOOL_CONFIG_VDEV_SYNC_W_ACTIVE_QUEUE,
+ ZPOOL_CONFIG_VDEV_ASYNC_R_PEND_QUEUE,
+ ZPOOL_CONFIG_VDEV_ASYNC_R_ACTIVE_QUEUE,
+ ZPOOL_CONFIG_VDEV_ASYNC_W_PEND_QUEUE,
+ ZPOOL_CONFIG_VDEV_ASYNC_W_ACTIVE_QUEUE,
+ ZPOOL_CONFIG_VDEV_SCRUB_PEND_QUEUE,
+ ZPOOL_CONFIG_VDEV_SCRUB_ACTIVE_QUEUE,
+ ZPOOL_CONFIG_VDEV_TRIM_PEND_QUEUE,
+ ZPOOL_CONFIG_VDEV_TRIM_ACTIVE_QUEUE,
+ };
+
+ struct stat_array *nva;
+
+ unsigned int column_width = default_column_width(cb, IOS_QUEUES);
+ enum zfs_nicenum_format format;
+
+ nva = calc_and_alloc_stats_ex(names, ARRAY_SIZE(names), NULL, newnv);
+
+ if (cb->cb_literal)
+ format = ZFS_NICENUM_RAW;
+ else
+ format = ZFS_NICENUM_1024;
+
+ for (i = 0; i < ARRAY_SIZE(names); i++) {
+ val = nva[i].data[0];
+ print_one_stat(val, format, column_width, cb->cb_scripted);
+ }
+
+ free_calc_stats(nva, ARRAY_SIZE(names));
+}
+
+static void
+print_iostat_latency(iostat_cbdata_t *cb, nvlist_t *oldnv,
+ nvlist_t *newnv)
+{
+ int i;
+ uint64_t val;
+ const char *names[] = {
+ ZPOOL_CONFIG_VDEV_TOT_R_LAT_HISTO,
+ ZPOOL_CONFIG_VDEV_TOT_W_LAT_HISTO,
+ ZPOOL_CONFIG_VDEV_DISK_R_LAT_HISTO,
+ ZPOOL_CONFIG_VDEV_DISK_W_LAT_HISTO,
+ ZPOOL_CONFIG_VDEV_SYNC_R_LAT_HISTO,
+ ZPOOL_CONFIG_VDEV_SYNC_W_LAT_HISTO,
+ ZPOOL_CONFIG_VDEV_ASYNC_R_LAT_HISTO,
+ ZPOOL_CONFIG_VDEV_ASYNC_W_LAT_HISTO,
+ ZPOOL_CONFIG_VDEV_SCRUB_LAT_HISTO,
+ ZPOOL_CONFIG_VDEV_TRIM_LAT_HISTO,
+ };
+ struct stat_array *nva;
+
+ unsigned int column_width = default_column_width(cb, IOS_LATENCY);
+ enum zfs_nicenum_format format;
+
+ nva = calc_and_alloc_stats_ex(names, ARRAY_SIZE(names), oldnv, newnv);
+
+ if (cb->cb_literal)
+ format = ZFS_NICENUM_RAWTIME;
+ else
+ format = ZFS_NICENUM_TIME;
+
+ /* Print our avg latencies on the line */
+ for (i = 0; i < ARRAY_SIZE(names); i++) {
+ /* Compute average latency for a latency histo */
+ val = single_histo_average(nva[i].data, nva[i].count);
+ print_one_stat(val, format, column_width, cb->cb_scripted);
+ }
+ free_calc_stats(nva, ARRAY_SIZE(names));
+}
+
+/*
+ * Print default statistics (capacity/operations/bandwidth)
+ */
+static void
+print_iostat_default(vdev_stat_t *vs, iostat_cbdata_t *cb, double scale)
+{
+ unsigned int column_width = default_column_width(cb, IOS_DEFAULT);
+ enum zfs_nicenum_format format;
+ char na; /* char to print for "not applicable" values */
+
+ if (cb->cb_literal) {
+ format = ZFS_NICENUM_RAW;
+ na = '0';
+ } else {
+ format = ZFS_NICENUM_1024;
+ na = '-';
+ }
+
+ /* only toplevel vdevs have capacity stats */
+ if (vs->vs_space == 0) {
+ if (cb->cb_scripted)
+ printf("\t%c\t%c", na, na);
+ else
+ printf(" %*c %*c", column_width, na, column_width,
+ na);
+ } else {
+ print_one_stat(vs->vs_alloc, format, column_width,
+ cb->cb_scripted);
+ print_one_stat(vs->vs_space - vs->vs_alloc, format,
+ column_width, cb->cb_scripted);
+ }
+
+ print_one_stat((uint64_t)(vs->vs_ops[ZIO_TYPE_READ] * scale),
+ format, column_width, cb->cb_scripted);
+ print_one_stat((uint64_t)(vs->vs_ops[ZIO_TYPE_WRITE] * scale),
+ format, column_width, cb->cb_scripted);
+ print_one_stat((uint64_t)(vs->vs_bytes[ZIO_TYPE_READ] * scale),
+ format, column_width, cb->cb_scripted);
+ print_one_stat((uint64_t)(vs->vs_bytes[ZIO_TYPE_WRITE] * scale),
+ format, column_width, cb->cb_scripted);
+}
+
+static const char *class_name[] = {
+ VDEV_ALLOC_BIAS_DEDUP,
+ VDEV_ALLOC_BIAS_SPECIAL,
+ VDEV_ALLOC_CLASS_LOGS
+};
+
+/*
+ * Print out all the statistics for the given vdev. This can either be the
+ * toplevel configuration, or called recursively. If 'name' is NULL, then this
+ * is a verbose output, and we don't want to display the toplevel pool stats.
+ *
+ * Returns the number of stat lines printed.
+ */
+static unsigned int
+print_vdev_stats(zpool_handle_t *zhp, const char *name, nvlist_t *oldnv,
+ nvlist_t *newnv, iostat_cbdata_t *cb, int depth)
+{
+ nvlist_t **oldchild, **newchild;
+ uint_t c, children, oldchildren;
+ vdev_stat_t *oldvs, *newvs, *calcvs;
+ vdev_stat_t zerovs = { 0 };
+ char *vname;
+ int i;
+ int ret = 0;
+ uint64_t tdelta;
+ double scale;
+
+ if (strcmp(name, VDEV_TYPE_INDIRECT) == 0)
+ return (ret);
+
+ calcvs = safe_malloc(sizeof (*calcvs));
+
+ if (oldnv != NULL) {
+ verify(nvlist_lookup_uint64_array(oldnv,
+ ZPOOL_CONFIG_VDEV_STATS, (uint64_t **)&oldvs, &c) == 0);
+ } else {
+ oldvs = &zerovs;
+ }
+
+ /* Do we only want to see a specific vdev? */
+ for (i = 0; i < cb->cb_vdev_names_count; i++) {
+ /* Yes we do. Is this the vdev? */
+ if (strcmp(name, cb->cb_vdev_names[i]) == 0) {
+ /*
+ * This is our vdev. Since it is the only vdev we
+ * will be displaying, make depth = 0 so that it
+ * doesn't get indented.
+ */
+ depth = 0;
+ break;
+ }
+ }
+
+ if (cb->cb_vdev_names_count && (i == cb->cb_vdev_names_count)) {
+ /* Couldn't match the name */
+ goto children;
+ }
+
+
+ verify(nvlist_lookup_uint64_array(newnv, ZPOOL_CONFIG_VDEV_STATS,
+ (uint64_t **)&newvs, &c) == 0);
+
+ /*
+ * Print the vdev name unless it's is a histogram. Histograms
+ * display the vdev name in the header itself.
+ */
+ if (!(cb->cb_flags & IOS_ANYHISTO_M)) {
+ if (cb->cb_scripted) {
+ printf("%s", name);
+ } else {
+ if (strlen(name) + depth > cb->cb_namewidth)
+ (void) printf("%*s%s", depth, "", name);
+ else
+ (void) printf("%*s%s%*s", depth, "", name,
+ (int)(cb->cb_namewidth - strlen(name) -
+ depth), "");
+ }
+ }
+
+ /* Calculate our scaling factor */
+ tdelta = newvs->vs_timestamp - oldvs->vs_timestamp;
+ if ((oldvs->vs_timestamp == 0) && (cb->cb_flags & IOS_ANYHISTO_M)) {
+ /*
+ * If we specify printing histograms with no time interval, then
+ * print the histogram numbers over the entire lifetime of the
+ * vdev.
+ */
+ scale = 1;
+ } else {
+ if (tdelta == 0)
+ scale = 1.0;
+ else
+ scale = (double)NANOSEC / tdelta;
+ }
+
+ if (cb->cb_flags & IOS_DEFAULT_M) {
+ calc_default_iostats(oldvs, newvs, calcvs);
+ print_iostat_default(calcvs, cb, scale);
+ }
+ if (cb->cb_flags & IOS_LATENCY_M)
+ print_iostat_latency(cb, oldnv, newnv);
+ if (cb->cb_flags & IOS_QUEUES_M)
+ print_iostat_queues(cb, oldnv, newnv);
+ if (cb->cb_flags & IOS_ANYHISTO_M) {
+ printf("\n");
+ print_iostat_histos(cb, oldnv, newnv, scale, name);
+ }
+
+ if (cb->vcdl != NULL) {
+ char *path;
+ if (nvlist_lookup_string(newnv, ZPOOL_CONFIG_PATH,
+ &path) == 0) {
+ printf(" ");
+ zpool_print_cmd(cb->vcdl, zpool_get_name(zhp), path);
+ }
+ }
+
+ if (!(cb->cb_flags & IOS_ANYHISTO_M))
+ printf("\n");
+
+ ret++;
+
+children:
+
+ free(calcvs);
+
+ if (!cb->cb_verbose)
+ return (ret);
+
+ if (nvlist_lookup_nvlist_array(newnv, ZPOOL_CONFIG_CHILDREN,
+ &newchild, &children) != 0)
+ return (ret);
+
+ if (oldnv) {
+ if (nvlist_lookup_nvlist_array(oldnv, ZPOOL_CONFIG_CHILDREN,
+ &oldchild, &oldchildren) != 0)
+ return (ret);
+
+ children = MIN(oldchildren, children);
+ }
+
+ /*
+ * print normal top-level devices
+ */
+ for (c = 0; c < children; c++) {
+ uint64_t ishole = B_FALSE, islog = B_FALSE;
+
+ (void) nvlist_lookup_uint64(newchild[c], ZPOOL_CONFIG_IS_HOLE,
+ &ishole);
+
+ (void) nvlist_lookup_uint64(newchild[c], ZPOOL_CONFIG_IS_LOG,
+ &islog);
+
+ if (ishole || islog)
+ continue;
+
+ if (nvlist_exists(newchild[c], ZPOOL_CONFIG_ALLOCATION_BIAS))
+ continue;
+
+ vname = zpool_vdev_name(g_zfs, zhp, newchild[c],
+ cb->cb_name_flags);
+ ret += print_vdev_stats(zhp, vname, oldnv ? oldchild[c] : NULL,
+ newchild[c], cb, depth + 2);
+ free(vname);
+ }
+
+ /*
+ * print all other top-level devices
+ */
+ for (uint_t n = 0; n < 3; n++) {
+ boolean_t printed = B_FALSE;
+
+ for (c = 0; c < children; c++) {
+ uint64_t islog = B_FALSE;
+ char *bias = NULL;
+ char *type = NULL;
+
+ (void) nvlist_lookup_uint64(newchild[c],
+ ZPOOL_CONFIG_IS_LOG, &islog);
+ if (islog) {
+ bias = VDEV_ALLOC_CLASS_LOGS;
+ } else {
+ (void) nvlist_lookup_string(newchild[c],
+ ZPOOL_CONFIG_ALLOCATION_BIAS, &bias);
+ (void) nvlist_lookup_string(newchild[c],
+ ZPOOL_CONFIG_TYPE, &type);
+ }
+ if (bias == NULL || strcmp(bias, class_name[n]) != 0)
+ continue;
+ if (!islog && strcmp(type, VDEV_TYPE_INDIRECT) == 0)
+ continue;
+
+ if (!printed) {
+ if ((!(cb->cb_flags & IOS_ANYHISTO_M)) &&
+ !cb->cb_scripted && !cb->cb_vdev_names) {
+ print_iostat_dashes(cb, 0,
+ class_name[n]);
+ }
+ printf("\n");
+ printed = B_TRUE;
+ }
+
+ vname = zpool_vdev_name(g_zfs, zhp, newchild[c],
+ cb->cb_name_flags);
+ ret += print_vdev_stats(zhp, vname, oldnv ?
+ oldchild[c] : NULL, newchild[c], cb, depth + 2);
+ free(vname);
+ }
+ }
+
+ /*
+ * Include level 2 ARC devices in iostat output
+ */
+ if (nvlist_lookup_nvlist_array(newnv, ZPOOL_CONFIG_L2CACHE,
+ &newchild, &children) != 0)
+ return (ret);
+
+ if (oldnv) {
+ if (nvlist_lookup_nvlist_array(oldnv, ZPOOL_CONFIG_L2CACHE,
+ &oldchild, &oldchildren) != 0)
+ return (ret);
+
+ children = MIN(oldchildren, children);
+ }
+
+ if (children > 0) {
+ if ((!(cb->cb_flags & IOS_ANYHISTO_M)) && !cb->cb_scripted &&
+ !cb->cb_vdev_names) {
+ print_iostat_dashes(cb, 0, "cache");
+ }
+ printf("\n");
+
+ for (c = 0; c < children; c++) {
+ vname = zpool_vdev_name(g_zfs, zhp, newchild[c],
+ cb->cb_name_flags);
+ ret += print_vdev_stats(zhp, vname, oldnv ? oldchild[c]
+ : NULL, newchild[c], cb, depth + 2);
+ free(vname);
+ }
+ }
+
+ return (ret);
+}
+
+static int
+refresh_iostat(zpool_handle_t *zhp, void *data)
+{
+ iostat_cbdata_t *cb = data;
+ boolean_t missing;
+
+ /*
+ * If the pool has disappeared, remove it from the list and continue.
+ */
+ if (zpool_refresh_stats(zhp, &missing) != 0)
+ return (-1);
+
+ if (missing)
+ pool_list_remove(cb->cb_list, zhp);
+
+ return (0);
+}
+
+/*
+ * Callback to print out the iostats for the given pool.
+ */
+static int
+print_iostat(zpool_handle_t *zhp, void *data)
+{
+ iostat_cbdata_t *cb = data;
+ nvlist_t *oldconfig, *newconfig;
+ nvlist_t *oldnvroot, *newnvroot;
+ int ret;
+
+ newconfig = zpool_get_config(zhp, &oldconfig);
+
+ if (cb->cb_iteration == 1)
+ oldconfig = NULL;
+
+ verify(nvlist_lookup_nvlist(newconfig, ZPOOL_CONFIG_VDEV_TREE,
+ &newnvroot) == 0);
+
+ if (oldconfig == NULL)
+ oldnvroot = NULL;
+ else
+ verify(nvlist_lookup_nvlist(oldconfig, ZPOOL_CONFIG_VDEV_TREE,
+ &oldnvroot) == 0);
+
+ ret = print_vdev_stats(zhp, zpool_get_name(zhp), oldnvroot, newnvroot,
+ cb, 0);
+ if ((ret != 0) && !(cb->cb_flags & IOS_ANYHISTO_M) &&
+ !cb->cb_scripted && cb->cb_verbose && !cb->cb_vdev_names_count) {
+ print_iostat_separator(cb);
+ if (cb->vcdl != NULL) {
+ print_cmd_columns(cb->vcdl, 1);
+ }
+ printf("\n");
+ }
+
+ return (ret);
+}
+
+static int
+get_columns(void)
+{
+ struct winsize ws;
+ int columns = 80;
+ int error;
+
+ if (isatty(STDOUT_FILENO)) {
+ error = ioctl(STDOUT_FILENO, TIOCGWINSZ, &ws);
+ if (error == 0)
+ columns = ws.ws_col;
+ } else {
+ columns = 999;
+ }
+
+ return (columns);
+}
+
+/*
+ * Return the required length of the pool/vdev name column. The minimum
+ * allowed width and output formatting flags must be provided.
+ */
+static int
+get_namewidth(zpool_handle_t *zhp, int min_width, int flags, boolean_t verbose)
+{
+ nvlist_t *config, *nvroot;
+ int width = min_width;
+
+ if ((config = zpool_get_config(zhp, NULL)) != NULL) {
+ verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE,
+ &nvroot) == 0);
+ unsigned int poolname_len = strlen(zpool_get_name(zhp));
+ if (verbose == B_FALSE) {
+ width = MAX(poolname_len, min_width);
+ } else {
+ width = MAX(poolname_len,
+ max_width(zhp, nvroot, 0, min_width, flags));
+ }
+ }
+
+ return (width);
+}
+
+/*
+ * Parse the input string, get the 'interval' and 'count' value if there is one.
+ */
+static void
+get_interval_count(int *argcp, char **argv, float *iv,
+ unsigned long *cnt)
+{
+ float interval = 0;
+ unsigned long count = 0;
+ int argc = *argcp;
+
+ /*
+ * Determine if the last argument is an integer or a pool name
+ */
+ if (argc > 0 && zfs_isnumber(argv[argc - 1])) {
+ char *end;
+
+ errno = 0;
+ interval = strtof(argv[argc - 1], &end);
+
+ if (*end == '\0' && errno == 0) {
+ if (interval == 0) {
+ (void) fprintf(stderr, gettext("interval "
+ "cannot be zero\n"));
+ usage(B_FALSE);
+ }
+ /*
+ * Ignore the last parameter
+ */
+ argc--;
+ } else {
+ /*
+ * If this is not a valid number, just plow on. The
+ * user will get a more informative error message later
+ * on.
+ */
+ interval = 0;
+ }
+ }
+
+ /*
+ * If the last argument is also an integer, then we have both a count
+ * and an interval.
+ */
+ if (argc > 0 && zfs_isnumber(argv[argc - 1])) {
+ char *end;
+
+ errno = 0;
+ count = interval;
+ interval = strtof(argv[argc - 1], &end);
+
+ if (*end == '\0' && errno == 0) {
+ if (interval == 0) {
+ (void) fprintf(stderr, gettext("interval "
+ "cannot be zero\n"));
+ usage(B_FALSE);
+ }
+
+ /*
+ * Ignore the last parameter
+ */
+ argc--;
+ } else {
+ interval = 0;
+ }
+ }
+
+ *iv = interval;
+ *cnt = count;
+ *argcp = argc;
+}
+
+static void
+get_timestamp_arg(char c)
+{
+ if (c == 'u')
+ timestamp_fmt = UDATE;
+ else if (c == 'd')
+ timestamp_fmt = DDATE;
+ else
+ usage(B_FALSE);
+}
+
+/*
+ * Return stat flags that are supported by all pools by both the module and
+ * zpool iostat. "*data" should be initialized to all 0xFFs before running.
+ * It will get ANDed down until only the flags that are supported on all pools
+ * remain.
+ */
+static int
+get_stat_flags_cb(zpool_handle_t *zhp, void *data)
+{
+ uint64_t *mask = data;
+ nvlist_t *config, *nvroot, *nvx;
+ uint64_t flags = 0;
+ int i, j;
+
+ config = zpool_get_config(zhp, NULL);
+ verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE,
+ &nvroot) == 0);
+
+ /* Default stats are always supported, but for completeness.. */
+ if (nvlist_exists(nvroot, ZPOOL_CONFIG_VDEV_STATS))
+ flags |= IOS_DEFAULT_M;
+
+ /* Get our extended stats nvlist from the main list */
+ if (nvlist_lookup_nvlist(nvroot, ZPOOL_CONFIG_VDEV_STATS_EX,
+ &nvx) != 0) {
+ /*
+ * No extended stats; they're probably running an older
+ * module. No big deal, we support that too.
+ */
+ goto end;
+ }
+
+ /* For each extended stat, make sure all its nvpairs are supported */
+ for (j = 0; j < ARRAY_SIZE(vsx_type_to_nvlist); j++) {
+ if (!vsx_type_to_nvlist[j][0])
+ continue;
+
+ /* Start off by assuming the flag is supported, then check */
+ flags |= (1ULL << j);
+ for (i = 0; vsx_type_to_nvlist[j][i]; i++) {
+ if (!nvlist_exists(nvx, vsx_type_to_nvlist[j][i])) {
+ /* flag isn't supported */
+ flags = flags & ~(1ULL << j);
+ break;
+ }
+ }
+ }
+end:
+ *mask = *mask & flags;
+ return (0);
+}
+
+/*
+ * Return a bitmask of stats that are supported on all pools by both the module
+ * and zpool iostat.
+ */
+static uint64_t
+get_stat_flags(zpool_list_t *list)
+{
+ uint64_t mask = -1;
+
+ /*
+ * get_stat_flags_cb() will lop off bits from "mask" until only the
+ * flags that are supported on all pools remain.
+ */
+ pool_list_iter(list, B_FALSE, get_stat_flags_cb, &mask);
+ return (mask);
+}
+
+/*
+ * Return 1 if cb_data->cb_vdev_names[0] is this vdev's name, 0 otherwise.
+ */
+static int
+is_vdev_cb(zpool_handle_t *zhp, nvlist_t *nv, void *cb_data)
+{
+ iostat_cbdata_t *cb = cb_data;
+ char *name = NULL;
+ int ret = 0;
+
+ name = zpool_vdev_name(g_zfs, zhp, nv, cb->cb_name_flags);
+
+ if (strcmp(name, cb->cb_vdev_names[0]) == 0)
+ ret = 1; /* match */
+ free(name);
+
+ return (ret);
+}
+
+/*
+ * Returns 1 if cb_data->cb_vdev_names[0] is a vdev name, 0 otherwise.
+ */
+static int
+is_vdev(zpool_handle_t *zhp, void *cb_data)
+{
+ return (for_each_vdev(zhp, is_vdev_cb, cb_data));
+}
+
+/*
+ * Check if vdevs are in a pool
+ *
+ * Return 1 if all argv[] strings are vdev names in pool "pool_name". Otherwise
+ * return 0. If pool_name is NULL, then search all pools.
+ */
+static int
+are_vdevs_in_pool(int argc, char **argv, char *pool_name,
+ iostat_cbdata_t *cb)
+{
+ char **tmp_name;
+ int ret = 0;
+ int i;
+ int pool_count = 0;
+
+ if ((argc == 0) || !*argv)
+ return (0);
+
+ if (pool_name)
+ pool_count = 1;
+
+ /* Temporarily hijack cb_vdev_names for a second... */
+ tmp_name = cb->cb_vdev_names;
+
+ /* Go though our list of prospective vdev names */
+ for (i = 0; i < argc; i++) {
+ cb->cb_vdev_names = argv + i;
+
+ /* Is this name a vdev in our pools? */
+ ret = for_each_pool(pool_count, &pool_name, B_TRUE, NULL,
+ is_vdev, cb);
+ if (!ret) {
+ /* No match */
+ break;
+ }
+ }
+
+ cb->cb_vdev_names = tmp_name;
+
+ return (ret);
+}
+
+static int
+is_pool_cb(zpool_handle_t *zhp, void *data)
+{
+ char *name = data;
+ if (strcmp(name, zpool_get_name(zhp)) == 0)
+ return (1);
+
+ return (0);
+}
+
+/*
+ * Do we have a pool named *name? If so, return 1, otherwise 0.
+ */
+static int
+is_pool(char *name)
+{
+ return (for_each_pool(0, NULL, B_TRUE, NULL, is_pool_cb, name));
+}
+
+/* Are all our argv[] strings pool names? If so return 1, 0 otherwise. */
+static int
+are_all_pools(int argc, char **argv)
+{
+ if ((argc == 0) || !*argv)
+ return (0);
+
+ while (--argc >= 0)
+ if (!is_pool(argv[argc]))
+ return (0);
+
+ return (1);
+}
+
+/*
+ * Helper function to print out vdev/pool names we can't resolve. Used for an
+ * error message.
+ */
+static void
+error_list_unresolved_vdevs(int argc, char **argv, char *pool_name,
+ iostat_cbdata_t *cb)
+{
+ int i;
+ char *name;
+ char *str;
+ for (i = 0; i < argc; i++) {
+ name = argv[i];
+
+ if (is_pool(name))
+ str = gettext("pool");
+ else if (are_vdevs_in_pool(1, &name, pool_name, cb))
+ str = gettext("vdev in this pool");
+ else if (are_vdevs_in_pool(1, &name, NULL, cb))
+ str = gettext("vdev in another pool");
+ else
+ str = gettext("unknown");
+
+ fprintf(stderr, "\t%s (%s)\n", name, str);
+ }
+}
+
+/*
+ * Same as get_interval_count(), but with additional checks to not misinterpret
+ * guids as interval/count values. Assumes VDEV_NAME_GUID is set in
+ * cb.cb_name_flags.
+ */
+static void
+get_interval_count_filter_guids(int *argc, char **argv, float *interval,
+ unsigned long *count, iostat_cbdata_t *cb)
+{
+ char **tmpargv = argv;
+ int argc_for_interval = 0;
+
+ /* Is the last arg an interval value? Or a guid? */
+ if (*argc >= 1 && !are_vdevs_in_pool(1, &argv[*argc - 1], NULL, cb)) {
+ /*
+ * The last arg is not a guid, so it's probably an
+ * interval value.
+ */
+ argc_for_interval++;
+
+ if (*argc >= 2 &&
+ !are_vdevs_in_pool(1, &argv[*argc - 2], NULL, cb)) {
+ /*
+ * The 2nd to last arg is not a guid, so it's probably
+ * an interval value.
+ */
+ argc_for_interval++;
+ }
+ }
+
+ /* Point to our list of possible intervals */
+ tmpargv = &argv[*argc - argc_for_interval];
+
+ *argc = *argc - argc_for_interval;
+ get_interval_count(&argc_for_interval, tmpargv,
+ interval, count);
+}
+
+/*
+ * Floating point sleep(). Allows you to pass in a floating point value for
+ * seconds.
+ */
+static void
+fsleep(float sec)
+{
+ struct timespec req;
+ req.tv_sec = floor(sec);
+ req.tv_nsec = (sec - (float)req.tv_sec) * NANOSEC;
+ nanosleep(&req, NULL);
+}
+
+/*
+ * Terminal height, in rows. Returns -1 if stdout is not connected to a TTY or
+ * if we were unable to determine its size.
+ */
+static int
+terminal_height(void)
+{
+ struct winsize win;
+
+ if (isatty(STDOUT_FILENO) == 0)
+ return (-1);
+
+ if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &win) != -1 && win.ws_row > 0)
+ return (win.ws_row);
+
+ return (-1);
+}
+
+/*
+ * Run one of the zpool status/iostat -c scripts with the help (-h) option and
+ * print the result.
+ *
+ * name: Short name of the script ('iostat').
+ * path: Full path to the script ('/usr/local/etc/zfs/zpool.d/iostat');
+ */
+static void
+print_zpool_script_help(char *name, char *path)
+{
+ char *argv[] = {path, "-h", NULL};
+ char **lines = NULL;
+ int lines_cnt = 0;
+ int rc;
+
+ rc = libzfs_run_process_get_stdout_nopath(path, argv, NULL, &lines,
+ &lines_cnt);
+ if (rc != 0 || lines == NULL || lines_cnt <= 0) {
+ if (lines != NULL)
+ libzfs_free_str_array(lines, lines_cnt);
+ return;
+ }
+
+ for (int i = 0; i < lines_cnt; i++)
+ if (!is_blank_str(lines[i]))
+ printf(" %-14s %s\n", name, lines[i]);
+
+ libzfs_free_str_array(lines, lines_cnt);
+}
+
+/*
+ * Go though the zpool status/iostat -c scripts in the user's path, run their
+ * help option (-h), and print out the results.
+ */
+static void
+print_zpool_dir_scripts(char *dirpath)
+{
+ DIR *dir;
+ struct dirent *ent;
+ char fullpath[MAXPATHLEN];
+ struct stat dir_stat;
+
+ if ((dir = opendir(dirpath)) != NULL) {
+ /* print all the files and directories within directory */
+ while ((ent = readdir(dir)) != NULL) {
+ sprintf(fullpath, "%s/%s", dirpath, ent->d_name);
+
+ /* Print the scripts */
+ if (stat(fullpath, &dir_stat) == 0)
+ if (dir_stat.st_mode & S_IXUSR &&
+ S_ISREG(dir_stat.st_mode))
+ print_zpool_script_help(ent->d_name,
+ fullpath);
+ }
+ closedir(dir);
+ }
+}
+
+/*
+ * Print out help text for all zpool status/iostat -c scripts.
+ */
+static void
+print_zpool_script_list(char *subcommand)
+{
+ char *dir, *sp;
+
+ printf(gettext("Available 'zpool %s -c' commands:\n"), subcommand);
+
+ sp = zpool_get_cmd_search_path();
+ if (sp == NULL)
+ return;
+
+ dir = strtok(sp, ":");
+ while (dir != NULL) {
+ print_zpool_dir_scripts(dir);
+ dir = strtok(NULL, ":");
+ }
+
+ free(sp);
+}
+
+/*
+ * Set the minimum pool/vdev name column width. The width must be at least 10,
+ * but may be as large as the column width - 42 so it still fits on one line.
+ * NOTE: 42 is the width of the default capacity/operations/bandwidth output
+ */
+static int
+get_namewidth_iostat(zpool_handle_t *zhp, void *data)
+{
+ iostat_cbdata_t *cb = data;
+ int width, available_width;
+
+ /*
+ * get_namewidth() returns the maximum width of any name in that column
+ * for any pool/vdev/device line that will be output.
+ */
+ width = get_namewidth(zhp, cb->cb_namewidth, cb->cb_name_flags,
+ cb->cb_verbose);
+
+ /*
+ * The width we are calculating is the width of the header and also the
+ * padding width for names that are less than maximum width. The stats
+ * take up 42 characters, so the width available for names is:
+ */
+ available_width = get_columns() - 42;
+
+ /*
+ * If the maximum width fits on a screen, then great! Make everything
+ * line up by justifying all lines to the same width. If that max
+ * width is larger than what's available, the name plus stats won't fit
+ * on one line, and justifying to that width would cause every line to
+ * wrap on the screen. We only want lines with long names to wrap.
+ * Limit the padding to what won't wrap.
+ */
+ if (width > available_width)
+ width = available_width;
+
+ /*
+ * And regardless of whatever the screen width is (get_columns can
+ * return 0 if the width is not known or less than 42 for a narrow
+ * terminal) have the width be a minimum of 10.
+ */
+ if (width < 10)
+ width = 10;
+
+ /* Save the calculated width */
+ cb->cb_namewidth = width;
+
+ return (0);
+}
+
+/*
+ * zpool iostat [[-c [script1,script2,...]] [-lq]|[-rw]] [-ghHLpPvy] [-n name]
+ * [-T d|u] [[ pool ...]|[pool vdev ...]|[vdev ...]]
+ * [interval [count]]
+ *
+ * -c CMD For each vdev, run command CMD
+ * -g Display guid for individual vdev name.
+ * -L Follow links when resolving vdev path name.
+ * -P Display full path for vdev name.
+ * -v Display statistics for individual vdevs
+ * -h Display help
+ * -p Display values in parsable (exact) format.
+ * -H Scripted mode. Don't display headers, and separate properties
+ * by a single tab.
+ * -l Display average latency
+ * -q Display queue depths
+ * -w Display latency histograms
+ * -r Display request size histogram
+ * -T Display a timestamp in date(1) or Unix format
+ * -n Only print headers once
+ *
+ * This command can be tricky because we want to be able to deal with pool
+ * creation/destruction as well as vdev configuration changes. The bulk of this
+ * processing is handled by the pool_list_* routines in zpool_iter.c. We rely
+ * on pool_list_update() to detect the addition of new pools. Configuration
+ * changes are all handled within libzfs.
+ */
+int
+zpool_do_iostat(int argc, char **argv)
+{
+ int c;
+ int ret;
+ int npools;
+ float interval = 0;
+ unsigned long count = 0;
+ int winheight = 24;
+ zpool_list_t *list;
+ boolean_t verbose = B_FALSE;
+ boolean_t latency = B_FALSE, l_histo = B_FALSE, rq_histo = B_FALSE;
+ boolean_t queues = B_FALSE, parsable = B_FALSE, scripted = B_FALSE;
+ boolean_t omit_since_boot = B_FALSE;
+ boolean_t guid = B_FALSE;
+ boolean_t follow_links = B_FALSE;
+ boolean_t full_name = B_FALSE;
+ boolean_t headers_once = B_FALSE;
+ iostat_cbdata_t cb = { 0 };
+ char *cmd = NULL;
+
+ /* Used for printing error message */
+ const char flag_to_arg[] = {[IOS_LATENCY] = 'l', [IOS_QUEUES] = 'q',
+ [IOS_L_HISTO] = 'w', [IOS_RQ_HISTO] = 'r'};
+
+ uint64_t unsupported_flags;
+
+ /* check options */
+ while ((c = getopt(argc, argv, "c:gLPT:vyhplqrwnH")) != -1) {
+ switch (c) {
+ case 'c':
+ if (cmd != NULL) {
+ fprintf(stderr,
+ gettext("Can't set -c flag twice\n"));
+ exit(1);
+ }
+
+ if (getenv("ZPOOL_SCRIPTS_ENABLED") != NULL &&
+ !libzfs_envvar_is_set("ZPOOL_SCRIPTS_ENABLED")) {
+ fprintf(stderr, gettext(
+ "Can't run -c, disabled by "
+ "ZPOOL_SCRIPTS_ENABLED.\n"));
+ exit(1);
+ }
+
+ if ((getuid() <= 0 || geteuid() <= 0) &&
+ !libzfs_envvar_is_set("ZPOOL_SCRIPTS_AS_ROOT")) {
+ fprintf(stderr, gettext(
+ "Can't run -c with root privileges "
+ "unless ZPOOL_SCRIPTS_AS_ROOT is set.\n"));
+ exit(1);
+ }
+ cmd = optarg;
+ verbose = B_TRUE;
+ break;
+ case 'g':
+ guid = B_TRUE;
+ break;
+ case 'L':
+ follow_links = B_TRUE;
+ break;
+ case 'P':
+ full_name = B_TRUE;
+ break;
+ case 'T':
+ get_timestamp_arg(*optarg);
+ break;
+ case 'v':
+ verbose = B_TRUE;
+ break;
+ case 'p':
+ parsable = B_TRUE;
+ break;
+ case 'l':
+ latency = B_TRUE;
+ break;
+ case 'q':
+ queues = B_TRUE;
+ break;
+ case 'H':
+ scripted = B_TRUE;
+ break;
+ case 'w':
+ l_histo = B_TRUE;
+ break;
+ case 'r':
+ rq_histo = B_TRUE;
+ break;
+ case 'y':
+ omit_since_boot = B_TRUE;
+ break;
+ case 'n':
+ headers_once = B_TRUE;
+ break;
+ case 'h':
+ usage(B_FALSE);
+ break;
+ case '?':
+ if (optopt == 'c') {
+ print_zpool_script_list("iostat");
+ exit(0);
+ } else {
+ fprintf(stderr,
+ gettext("invalid option '%c'\n"), optopt);
+ }
+ usage(B_FALSE);
+ }
+ }
+
+ argc -= optind;
+ argv += optind;
+
+ cb.cb_literal = parsable;
+ cb.cb_scripted = scripted;
+
+ if (guid)
+ cb.cb_name_flags |= VDEV_NAME_GUID;
+ if (follow_links)
+ cb.cb_name_flags |= VDEV_NAME_FOLLOW_LINKS;
+ if (full_name)
+ cb.cb_name_flags |= VDEV_NAME_PATH;
+ cb.cb_iteration = 0;
+ cb.cb_namewidth = 0;
+ cb.cb_verbose = verbose;
+
+ /* Get our interval and count values (if any) */
+ if (guid) {
+ get_interval_count_filter_guids(&argc, argv, &interval,
+ &count, &cb);
+ } else {
+ get_interval_count(&argc, argv, &interval, &count);
+ }
+
+ if (argc == 0) {
+ /* No args, so just print the defaults. */
+ } else if (are_all_pools(argc, argv)) {
+ /* All the args are pool names */
+ } else if (are_vdevs_in_pool(argc, argv, NULL, &cb)) {
+ /* All the args are vdevs */
+ cb.cb_vdev_names = argv;
+ cb.cb_vdev_names_count = argc;
+ argc = 0; /* No pools to process */
+ } else if (are_all_pools(1, argv)) {
+ /* The first arg is a pool name */
+ if (are_vdevs_in_pool(argc - 1, argv + 1, argv[0], &cb)) {
+ /* ...and the rest are vdev names */
+ cb.cb_vdev_names = argv + 1;
+ cb.cb_vdev_names_count = argc - 1;
+ argc = 1; /* One pool to process */
+ } else {
+ fprintf(stderr, gettext("Expected either a list of "));
+ fprintf(stderr, gettext("pools, or list of vdevs in"));
+ fprintf(stderr, " \"%s\", ", argv[0]);
+ fprintf(stderr, gettext("but got:\n"));
+ error_list_unresolved_vdevs(argc - 1, argv + 1,
+ argv[0], &cb);
+ fprintf(stderr, "\n");
+ usage(B_FALSE);
+ return (1);
+ }
+ } else {
+ /*
+ * The args don't make sense. The first arg isn't a pool name,
+ * nor are all the args vdevs.
+ */
+ fprintf(stderr, gettext("Unable to parse pools/vdevs list.\n"));
+ fprintf(stderr, "\n");
+ return (1);
+ }
+
+ if (cb.cb_vdev_names_count != 0) {
+ /*
+ * If user specified vdevs, it implies verbose.
+ */
+ cb.cb_verbose = B_TRUE;
+ }
+
+ /*
+ * Construct the list of all interesting pools.
+ */
+ ret = 0;
+ if ((list = pool_list_get(argc, argv, NULL, &ret)) == NULL)
+ return (1);
+
+ if (pool_list_count(list) == 0 && argc != 0) {
+ pool_list_free(list);
+ return (1);
+ }
+
+ if (pool_list_count(list) == 0 && interval == 0) {
+ pool_list_free(list);
+ (void) fprintf(stderr, gettext("no pools available\n"));
+ return (1);
+ }
+
+ if ((l_histo || rq_histo) && (cmd != NULL || latency || queues)) {
+ pool_list_free(list);
+ (void) fprintf(stderr,
+ gettext("[-r|-w] isn't allowed with [-c|-l|-q]\n"));
+ usage(B_FALSE);
+ return (1);
+ }
+
+ if (l_histo && rq_histo) {
+ pool_list_free(list);
+ (void) fprintf(stderr,
+ gettext("Only one of [-r|-w] can be passed at a time\n"));
+ usage(B_FALSE);
+ return (1);
+ }
+
+ /*
+ * Enter the main iostat loop.
+ */
+ cb.cb_list = list;
+
+ if (l_histo) {
+ /*
+ * Histograms tables look out of place when you try to display
+ * them with the other stats, so make a rule that you can only
+ * print histograms by themselves.
+ */
+ cb.cb_flags = IOS_L_HISTO_M;
+ } else if (rq_histo) {
+ cb.cb_flags = IOS_RQ_HISTO_M;
+ } else {
+ cb.cb_flags = IOS_DEFAULT_M;
+ if (latency)
+ cb.cb_flags |= IOS_LATENCY_M;
+ if (queues)
+ cb.cb_flags |= IOS_QUEUES_M;
+ }
+
+ /*
+ * See if the module supports all the stats we want to display.
+ */
+ unsupported_flags = cb.cb_flags & ~get_stat_flags(list);
+ if (unsupported_flags) {
+ uint64_t f;
+ int idx;
+ fprintf(stderr,
+ gettext("The loaded zfs module doesn't support:"));
+
+ /* for each bit set in unsupported_flags */
+ for (f = unsupported_flags; f; f &= ~(1ULL << idx)) {
+ idx = lowbit64(f) - 1;
+ fprintf(stderr, " -%c", flag_to_arg[idx]);
+ }
+
+ fprintf(stderr, ". Try running a newer module.\n");
+ pool_list_free(list);
+
+ return (1);
+ }
+
+ for (;;) {
+ if ((npools = pool_list_count(list)) == 0)
+ (void) fprintf(stderr, gettext("no pools available\n"));
+ else {
+ /*
+ * If this is the first iteration and -y was supplied
+ * we skip any printing.
+ */
+ boolean_t skip = (omit_since_boot &&
+ cb.cb_iteration == 0);
+
+ /*
+ * Refresh all statistics. This is done as an
+ * explicit step before calculating the maximum name
+ * width, so that any * configuration changes are
+ * properly accounted for.
+ */
+ (void) pool_list_iter(list, B_FALSE, refresh_iostat,
+ &cb);
+
+ /*
+ * Iterate over all pools to determine the maximum width
+ * for the pool / device name column across all pools.
+ */
+ cb.cb_namewidth = 0;
+ (void) pool_list_iter(list, B_FALSE,
+ get_namewidth_iostat, &cb);
+
+ if (timestamp_fmt != NODATE)
+ print_timestamp(timestamp_fmt);
+
+ if (cmd != NULL && cb.cb_verbose &&
+ !(cb.cb_flags & IOS_ANYHISTO_M)) {
+ cb.vcdl = all_pools_for_each_vdev_run(argc,
+ argv, cmd, g_zfs, cb.cb_vdev_names,
+ cb.cb_vdev_names_count, cb.cb_name_flags);
+ } else {
+ cb.vcdl = NULL;
+ }
+
+
+ /*
+ * Check terminal size so we can print headers
+ * even when terminal window has its height
+ * changed.
+ */
+ winheight = terminal_height();
+ /*
+ * Are we connected to TTY? If not, headers_once
+ * should be true, to avoid breaking scripts.
+ */
+ if (winheight < 0)
+ headers_once = B_TRUE;
+
+ /*
+ * If it's the first time and we're not skipping it,
+ * or either skip or verbose mode, print the header.
+ *
+ * The histogram code explicitly prints its header on
+ * every vdev, so skip this for histograms.
+ */
+ if (((++cb.cb_iteration == 1 && !skip) ||
+ (skip != verbose) ||
+ (!headers_once &&
+ (cb.cb_iteration % winheight) == 0)) &&
+ (!(cb.cb_flags & IOS_ANYHISTO_M)) &&
+ !cb.cb_scripted)
+ print_iostat_header(&cb);
+
+ if (skip) {
+ (void) fsleep(interval);
+ continue;
+ }
+
+ pool_list_iter(list, B_FALSE, print_iostat, &cb);
+
+ /*
+ * If there's more than one pool, and we're not in
+ * verbose mode (which prints a separator for us),
+ * then print a separator.
+ *
+ * In addition, if we're printing specific vdevs then
+ * we also want an ending separator.
+ */
+ if (((npools > 1 && !verbose &&
+ !(cb.cb_flags & IOS_ANYHISTO_M)) ||
+ (!(cb.cb_flags & IOS_ANYHISTO_M) &&
+ cb.cb_vdev_names_count)) &&
+ !cb.cb_scripted) {
+ print_iostat_separator(&cb);
+ if (cb.vcdl != NULL)
+ print_cmd_columns(cb.vcdl, 1);
+ printf("\n");
+ }
+
+ if (cb.vcdl != NULL)
+ free_vdev_cmd_data_list(cb.vcdl);
+
+ }
+
+ /*
+ * Flush the output so that redirection to a file isn't buffered
+ * indefinitely.
+ */
+ (void) fflush(stdout);
+
+ if (interval == 0)
+ break;
+
+ if (count != 0 && --count == 0)
+ break;
+
+ (void) fsleep(interval);
+ }
+
+ pool_list_free(list);
+
+ return (ret);
+}
+
+typedef struct list_cbdata {
+ boolean_t cb_verbose;
+ int cb_name_flags;
+ int cb_namewidth;
+ boolean_t cb_scripted;
+ zprop_list_t *cb_proplist;
+ boolean_t cb_literal;
+} list_cbdata_t;
+
+
+/*
+ * Given a list of columns to display, output appropriate headers for each one.
+ */
+static void
+print_header(list_cbdata_t *cb)
+{
+ zprop_list_t *pl = cb->cb_proplist;
+ char headerbuf[ZPOOL_MAXPROPLEN];
+ const char *header;
+ boolean_t first = B_TRUE;
+ boolean_t right_justify;
+ size_t width = 0;
+
+ for (; pl != NULL; pl = pl->pl_next) {
+ width = pl->pl_width;
+ if (first && cb->cb_verbose) {
+ /*
+ * Reset the width to accommodate the verbose listing
+ * of devices.
+ */
+ width = cb->cb_namewidth;
+ }
+
+ if (!first)
+ (void) printf(" ");
+ else
+ first = B_FALSE;
+
+ right_justify = B_FALSE;
+ if (pl->pl_prop != ZPROP_INVAL) {
+ header = zpool_prop_column_name(pl->pl_prop);
+ right_justify = zpool_prop_align_right(pl->pl_prop);
+ } else {
+ int i;
+
+ for (i = 0; pl->pl_user_prop[i] != '\0'; i++)
+ headerbuf[i] = toupper(pl->pl_user_prop[i]);
+ headerbuf[i] = '\0';
+ header = headerbuf;
+ }
+
+ if (pl->pl_next == NULL && !right_justify)
+ (void) printf("%s", header);
+ else if (right_justify)
+ (void) printf("%*s", (int)width, header);
+ else
+ (void) printf("%-*s", (int)width, header);
+ }
+
+ (void) printf("\n");
+}
+
+/*
+ * Given a pool and a list of properties, print out all the properties according
+ * to the described layout. Used by zpool_do_list().
+ */
+static void
+print_pool(zpool_handle_t *zhp, list_cbdata_t *cb)
+{
+ zprop_list_t *pl = cb->cb_proplist;
+ boolean_t first = B_TRUE;
+ char property[ZPOOL_MAXPROPLEN];
+ char *propstr;
+ boolean_t right_justify;
+ size_t width;
+
+ for (; pl != NULL; pl = pl->pl_next) {
+
+ width = pl->pl_width;
+ if (first && cb->cb_verbose) {
+ /*
+ * Reset the width to accommodate the verbose listing
+ * of devices.
+ */
+ width = cb->cb_namewidth;
+ }
+
+ if (!first) {
+ if (cb->cb_scripted)
+ (void) printf("\t");
+ else
+ (void) printf(" ");
+ } else {
+ first = B_FALSE;
+ }
+
+ right_justify = B_FALSE;
+ if (pl->pl_prop != ZPROP_INVAL) {
+ if (zpool_get_prop(zhp, pl->pl_prop, property,
+ sizeof (property), NULL, cb->cb_literal) != 0)
+ propstr = "-";
+ else
+ propstr = property;
+
+ right_justify = zpool_prop_align_right(pl->pl_prop);
+ } else if ((zpool_prop_feature(pl->pl_user_prop) ||
+ zpool_prop_unsupported(pl->pl_user_prop)) &&
+ zpool_prop_get_feature(zhp, pl->pl_user_prop, property,
+ sizeof (property)) == 0) {
+ propstr = property;
+ } else {
+ propstr = "-";
+ }
+
+
+ /*
+ * If this is being called in scripted mode, or if this is the
+ * last column and it is left-justified, don't include a width
+ * format specifier.
+ */
+ if (cb->cb_scripted || (pl->pl_next == NULL && !right_justify))
+ (void) printf("%s", propstr);
+ else if (right_justify)
+ (void) printf("%*s", (int)width, propstr);
+ else
+ (void) printf("%-*s", (int)width, propstr);
+ }
+
+ (void) printf("\n");
+}
+
+static void
+print_one_column(zpool_prop_t prop, uint64_t value, const char *str,
+ boolean_t scripted, boolean_t valid, enum zfs_nicenum_format format)
+{
+ char propval[64];
+ boolean_t fixed;
+ size_t width = zprop_width(prop, &fixed, ZFS_TYPE_POOL);
+
+ switch (prop) {
+ case ZPOOL_PROP_EXPANDSZ:
+ case ZPOOL_PROP_CHECKPOINT:
+ case ZPOOL_PROP_DEDUPRATIO:
+ if (value == 0)
+ (void) strlcpy(propval, "-", sizeof (propval));
+ else
+ zfs_nicenum_format(value, propval, sizeof (propval),
+ format);
+ break;
+ case ZPOOL_PROP_FRAGMENTATION:
+ if (value == ZFS_FRAG_INVALID) {
+ (void) strlcpy(propval, "-", sizeof (propval));
+ } else if (format == ZFS_NICENUM_RAW) {
+ (void) snprintf(propval, sizeof (propval), "%llu",
+ (unsigned long long)value);
+ } else {
+ (void) snprintf(propval, sizeof (propval), "%llu%%",
+ (unsigned long long)value);
+ }
+ break;
+ case ZPOOL_PROP_CAPACITY:
+ /* capacity value is in parts-per-10,000 (aka permyriad) */
+ if (format == ZFS_NICENUM_RAW)
+ (void) snprintf(propval, sizeof (propval), "%llu",
+ (unsigned long long)value / 100);
+ else
+ (void) snprintf(propval, sizeof (propval),
+ value < 1000 ? "%1.2f%%" : value < 10000 ?
+ "%2.1f%%" : "%3.0f%%", value / 100.0);
+ break;
+ case ZPOOL_PROP_HEALTH:
+ width = 8;
+ snprintf(propval, sizeof (propval), "%-*s", (int)width, str);
+ break;
+ default:
+ zfs_nicenum_format(value, propval, sizeof (propval), format);
+ }
+
+ if (!valid)
+ (void) strlcpy(propval, "-", sizeof (propval));
+
+ if (scripted)
+ (void) printf("\t%s", propval);
+ else
+ (void) printf(" %*s", (int)width, propval);
+}
+
+/*
+ * print static default line per vdev
+ * not compatible with '-o' <proplist> option
+ */
+static void
+print_list_stats(zpool_handle_t *zhp, const char *name, nvlist_t *nv,
+ list_cbdata_t *cb, int depth, boolean_t isspare)
+{
+ nvlist_t **child;
+ vdev_stat_t *vs;
+ uint_t c, children;
+ char *vname;
+ boolean_t scripted = cb->cb_scripted;
+ uint64_t islog = B_FALSE;
+ char *dashes = "%-*s - - - - "
+ "- - - - -\n";
+
+ verify(nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_VDEV_STATS,
+ (uint64_t **)&vs, &c) == 0);
+
+ if (name != NULL) {
+ boolean_t toplevel = (vs->vs_space != 0);
+ uint64_t cap;
+ enum zfs_nicenum_format format;
+ const char *state;
+
+ if (cb->cb_literal)
+ format = ZFS_NICENUM_RAW;
+ else
+ format = ZFS_NICENUM_1024;
+
+ if (strcmp(name, VDEV_TYPE_INDIRECT) == 0)
+ return;
+
+ if (scripted)
+ (void) printf("\t%s", name);
+ else if (strlen(name) + depth > cb->cb_namewidth)
+ (void) printf("%*s%s", depth, "", name);
+ else
+ (void) printf("%*s%s%*s", depth, "", name,
+ (int)(cb->cb_namewidth - strlen(name) - depth), "");
+
+ /*
+ * Print the properties for the individual vdevs. Some
+ * properties are only applicable to toplevel vdevs. The
+ * 'toplevel' boolean value is passed to the print_one_column()
+ * to indicate that the value is valid.
+ */
+ print_one_column(ZPOOL_PROP_SIZE, vs->vs_space, NULL, scripted,
+ toplevel, format);
+ print_one_column(ZPOOL_PROP_ALLOCATED, vs->vs_alloc, NULL,
+ scripted, toplevel, format);
+ print_one_column(ZPOOL_PROP_FREE, vs->vs_space - vs->vs_alloc,
+ NULL, scripted, toplevel, format);
+ print_one_column(ZPOOL_PROP_CHECKPOINT,
+ vs->vs_checkpoint_space, NULL, scripted, toplevel, format);
+ print_one_column(ZPOOL_PROP_EXPANDSZ, vs->vs_esize, NULL,
+ scripted, B_TRUE, format);
+ print_one_column(ZPOOL_PROP_FRAGMENTATION,
+ vs->vs_fragmentation, NULL, scripted,
+ (vs->vs_fragmentation != ZFS_FRAG_INVALID && toplevel),
+ format);
+ cap = (vs->vs_space == 0) ? 0 :
+ (vs->vs_alloc * 10000 / vs->vs_space);
+ print_one_column(ZPOOL_PROP_CAPACITY, cap, NULL,
+ scripted, toplevel, format);
+ print_one_column(ZPOOL_PROP_DEDUPRATIO, 0, NULL,
+ scripted, toplevel, format);
+ state = zpool_state_to_name(vs->vs_state, vs->vs_aux);
+ if (isspare) {
+ if (vs->vs_aux == VDEV_AUX_SPARED)
+ state = "INUSE";
+ else if (vs->vs_state == VDEV_STATE_HEALTHY)
+ state = "AVAIL";
+ }
+ print_one_column(ZPOOL_PROP_HEALTH, 0, state, scripted,
+ B_TRUE, format);
+ (void) printf("\n");
+ }
+
+ if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN,
+ &child, &children) != 0)
+ return;
+
+ /* list the normal vdevs first */
+ for (c = 0; c < children; c++) {
+ uint64_t ishole = B_FALSE;
+
+ if (nvlist_lookup_uint64(child[c],
+ ZPOOL_CONFIG_IS_HOLE, &ishole) == 0 && ishole)
+ continue;
+
+ if (nvlist_lookup_uint64(child[c],
+ ZPOOL_CONFIG_IS_LOG, &islog) == 0 && islog)
+ continue;
+
+ if (nvlist_exists(child[c], ZPOOL_CONFIG_ALLOCATION_BIAS))
+ continue;
+
+ vname = zpool_vdev_name(g_zfs, zhp, child[c],
+ cb->cb_name_flags);
+ print_list_stats(zhp, vname, child[c], cb, depth + 2, B_FALSE);
+ free(vname);
+ }
+
+ /* list the classes: 'logs', 'dedup', and 'special' */
+ for (uint_t n = 0; n < 3; n++) {
+ boolean_t printed = B_FALSE;
+
+ for (c = 0; c < children; c++) {
+ char *bias = NULL;
+ char *type = NULL;
+
+ if (nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG,
+ &islog) == 0 && islog) {
+ bias = VDEV_ALLOC_CLASS_LOGS;
+ } else {
+ (void) nvlist_lookup_string(child[c],
+ ZPOOL_CONFIG_ALLOCATION_BIAS, &bias);
+ (void) nvlist_lookup_string(child[c],
+ ZPOOL_CONFIG_TYPE, &type);
+ }
+ if (bias == NULL || strcmp(bias, class_name[n]) != 0)
+ continue;
+ if (!islog && strcmp(type, VDEV_TYPE_INDIRECT) == 0)
+ continue;
+
+ if (!printed) {
+ /* LINTED E_SEC_PRINTF_VAR_FMT */
+ (void) printf(dashes, cb->cb_namewidth,
+ class_name[n]);
+ printed = B_TRUE;
+ }
+ vname = zpool_vdev_name(g_zfs, zhp, child[c],
+ cb->cb_name_flags);
+ print_list_stats(zhp, vname, child[c], cb, depth + 2,
+ B_FALSE);
+ free(vname);
+ }
+ }
+
+ if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_L2CACHE,
+ &child, &children) == 0 && children > 0) {
+ /* LINTED E_SEC_PRINTF_VAR_FMT */
+ (void) printf(dashes, cb->cb_namewidth, "cache");
+ for (c = 0; c < children; c++) {
+ vname = zpool_vdev_name(g_zfs, zhp, child[c],
+ cb->cb_name_flags);
+ print_list_stats(zhp, vname, child[c], cb, depth + 2,
+ B_FALSE);
+ free(vname);
+ }
+ }
+
+ if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_SPARES, &child,
+ &children) == 0 && children > 0) {
+ /* LINTED E_SEC_PRINTF_VAR_FMT */
+ (void) printf(dashes, cb->cb_namewidth, "spare");
+ for (c = 0; c < children; c++) {
+ vname = zpool_vdev_name(g_zfs, zhp, child[c],
+ cb->cb_name_flags);
+ print_list_stats(zhp, vname, child[c], cb, depth + 2,
+ B_TRUE);
+ free(vname);
+ }
+ }
+}
+
+/*
+ * Generic callback function to list a pool.
+ */
+static int
+list_callback(zpool_handle_t *zhp, void *data)
+{
+ list_cbdata_t *cbp = data;
+
+ print_pool(zhp, cbp);
+
+ if (cbp->cb_verbose) {
+ nvlist_t *config, *nvroot;
+
+ config = zpool_get_config(zhp, NULL);
+ verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE,
+ &nvroot) == 0);
+ print_list_stats(zhp, NULL, nvroot, cbp, 0, B_FALSE);
+ }
+
+ return (0);
+}
+
+/*
+ * Set the minimum pool/vdev name column width. The width must be at least 9,
+ * but may be as large as needed.
+ */
+static int
+get_namewidth_list(zpool_handle_t *zhp, void *data)
+{
+ list_cbdata_t *cb = data;
+ int width;
+
+ width = get_namewidth(zhp, cb->cb_namewidth, cb->cb_name_flags,
+ cb->cb_verbose);
+
+ if (width < 9)
+ width = 9;
+
+ cb->cb_namewidth = width;
+
+ return (0);
+}
+
+/*
+ * zpool list [-gHLpP] [-o prop[,prop]*] [-T d|u] [pool] ... [interval [count]]
+ *
+ * -g Display guid for individual vdev name.
+ * -H Scripted mode. Don't display headers, and separate properties
+ * by a single tab.
+ * -L Follow links when resolving vdev path name.
+ * -o List of properties to display. Defaults to
+ * "name,size,allocated,free,expandsize,fragmentation,capacity,"
+ * "dedupratio,health,altroot"
+ * -p Display values in parsable (exact) format.
+ * -P Display full path for vdev name.
+ * -T Display a timestamp in date(1) or Unix format
+ *
+ * List all pools in the system, whether or not they're healthy. Output space
+ * statistics for each one, as well as health status summary.
+ */
+int
+zpool_do_list(int argc, char **argv)
+{
+ int c;
+ int ret = 0;
+ list_cbdata_t cb = { 0 };
+ static char default_props[] =
+ "name,size,allocated,free,checkpoint,expandsize,fragmentation,"
+ "capacity,dedupratio,health,altroot";
+ char *props = default_props;
+ float interval = 0;
+ unsigned long count = 0;
+ zpool_list_t *list;
+ boolean_t first = B_TRUE;
+
+ /* check options */
+ while ((c = getopt(argc, argv, ":gHLo:pPT:v")) != -1) {
+ switch (c) {
+ case 'g':
+ cb.cb_name_flags |= VDEV_NAME_GUID;
+ break;
+ case 'H':
+ cb.cb_scripted = B_TRUE;
+ break;
+ case 'L':
+ cb.cb_name_flags |= VDEV_NAME_FOLLOW_LINKS;
+ break;
+ case 'o':
+ props = optarg;
+ break;
+ case 'P':
+ cb.cb_name_flags |= VDEV_NAME_PATH;
+ break;
+ case 'p':
+ cb.cb_literal = B_TRUE;
+ break;
+ case 'T':
+ get_timestamp_arg(*optarg);
+ break;
+ case 'v':
+ cb.cb_verbose = B_TRUE;
+ cb.cb_namewidth = 8; /* 8 until precalc is avail */
+ break;
+ case ':':
+ (void) fprintf(stderr, gettext("missing argument for "
+ "'%c' option\n"), optopt);
+ usage(B_FALSE);
+ break;
+ case '?':
+ (void) fprintf(stderr, gettext("invalid option '%c'\n"),
+ optopt);
+ usage(B_FALSE);
+ }
+ }
+
+ argc -= optind;
+ argv += optind;
+
+ get_interval_count(&argc, argv, &interval, &count);
+
+ if (zprop_get_list(g_zfs, props, &cb.cb_proplist, ZFS_TYPE_POOL) != 0)
+ usage(B_FALSE);
+
+ for (;;) {
+ if ((list = pool_list_get(argc, argv, &cb.cb_proplist,
+ &ret)) == NULL)
+ return (1);
+
+ if (pool_list_count(list) == 0)
+ break;
+
+ cb.cb_namewidth = 0;
+ (void) pool_list_iter(list, B_FALSE, get_namewidth_list, &cb);
+
+ if (timestamp_fmt != NODATE)
+ print_timestamp(timestamp_fmt);
+
+ if (!cb.cb_scripted && (first || cb.cb_verbose)) {
+ print_header(&cb);
+ first = B_FALSE;
+ }
+ ret = pool_list_iter(list, B_TRUE, list_callback, &cb);
+
+ if (interval == 0)
+ break;
+
+ if (count != 0 && --count == 0)
+ break;
+
+ pool_list_free(list);
+ (void) fsleep(interval);
+ }
+
+ if (argc == 0 && !cb.cb_scripted && pool_list_count(list) == 0) {
+ (void) printf(gettext("no pools available\n"));
+ ret = 0;
+ }
+
+ pool_list_free(list);
+ zprop_free_list(cb.cb_proplist);
+ return (ret);
+}
+
+static int
+zpool_do_attach_or_replace(int argc, char **argv, int replacing)
+{
+ boolean_t force = B_FALSE;
+ boolean_t rebuild = B_FALSE;
+ boolean_t wait = B_FALSE;
+ int c;
+ nvlist_t *nvroot;
+ char *poolname, *old_disk, *new_disk;
+ zpool_handle_t *zhp;
+ nvlist_t *props = NULL;
+ char *propval;
+ int ret;
+
+ /* check options */
+ while ((c = getopt(argc, argv, "fo:sw")) != -1) {
+ switch (c) {
+ case 'f':
+ force = B_TRUE;
+ break;
+ case 'o':
+ if ((propval = strchr(optarg, '=')) == NULL) {
+ (void) fprintf(stderr, gettext("missing "
+ "'=' for -o option\n"));
+ usage(B_FALSE);
+ }
+ *propval = '\0';
+ propval++;
+
+ if ((strcmp(optarg, ZPOOL_CONFIG_ASHIFT) != 0) ||
+ (add_prop_list(optarg, propval, &props, B_TRUE)))
+ usage(B_FALSE);
+ break;
+ case 's':
+ rebuild = B_TRUE;
+ break;
+ case 'w':
+ wait = B_TRUE;
+ break;
+ case '?':
+ (void) fprintf(stderr, gettext("invalid option '%c'\n"),
+ optopt);
+ usage(B_FALSE);
+ }
+ }
+
+ argc -= optind;
+ argv += optind;
+
+ /* get pool name and check number of arguments */
+ if (argc < 1) {
+ (void) fprintf(stderr, gettext("missing pool name argument\n"));
+ usage(B_FALSE);
+ }
+
+ poolname = argv[0];
+
+ if (argc < 2) {
+ (void) fprintf(stderr,
+ gettext("missing <device> specification\n"));
+ usage(B_FALSE);
+ }
+
+ old_disk = argv[1];
+
+ if (argc < 3) {
+ if (!replacing) {
+ (void) fprintf(stderr,
+ gettext("missing <new_device> specification\n"));
+ usage(B_FALSE);
+ }
+ new_disk = old_disk;
+ argc -= 1;
+ argv += 1;
+ } else {
+ new_disk = argv[2];
+ argc -= 2;
+ argv += 2;
+ }
+
+ if (argc > 1) {
+ (void) fprintf(stderr, gettext("too many arguments\n"));
+ usage(B_FALSE);
+ }
+
+ if ((zhp = zpool_open(g_zfs, poolname)) == NULL) {
+ nvlist_free(props);
+ return (1);
+ }
+
+ if (zpool_get_config(zhp, NULL) == NULL) {
+ (void) fprintf(stderr, gettext("pool '%s' is unavailable\n"),
+ poolname);
+ zpool_close(zhp);
+ nvlist_free(props);
+ return (1);
+ }
+
+ /* unless manually specified use "ashift" pool property (if set) */
+ if (!nvlist_exists(props, ZPOOL_CONFIG_ASHIFT)) {
+ int intval;
+ zprop_source_t src;
+ char strval[ZPOOL_MAXPROPLEN];
+
+ intval = zpool_get_prop_int(zhp, ZPOOL_PROP_ASHIFT, &src);
+ if (src != ZPROP_SRC_DEFAULT) {
+ (void) sprintf(strval, "%" PRId32, intval);
+ verify(add_prop_list(ZPOOL_CONFIG_ASHIFT, strval,
+ &props, B_TRUE) == 0);
+ }
+ }
+
+ nvroot = make_root_vdev(zhp, props, force, B_FALSE, replacing, B_FALSE,
+ argc, argv);
+ if (nvroot == NULL) {
+ zpool_close(zhp);
+ nvlist_free(props);
+ return (1);
+ }
+
+ ret = zpool_vdev_attach(zhp, old_disk, new_disk, nvroot, replacing,
+ rebuild);
+
+ if (ret == 0 && wait)
+ ret = zpool_wait(zhp,
+ replacing ? ZPOOL_WAIT_REPLACE : ZPOOL_WAIT_RESILVER);
+
+ nvlist_free(props);
+ nvlist_free(nvroot);
+ zpool_close(zhp);
+
+ return (ret);
+}
+
+/*
+ * zpool replace [-fsw] [-o property=value] <pool> <device> <new_device>
+ *
+ * -f Force attach, even if <new_device> appears to be in use.
+ * -s Use sequential instead of healing reconstruction for resilver.
+ * -o Set property=value.
+ * -w Wait for replacing to complete before returning
+ *
+ * Replace <device> with <new_device>.
+ */
+/* ARGSUSED */
+int
+zpool_do_replace(int argc, char **argv)
+{
+ return (zpool_do_attach_or_replace(argc, argv, B_TRUE));
+}
+
+/*
+ * zpool attach [-fsw] [-o property=value] <pool> <device> <new_device>
+ *
+ * -f Force attach, even if <new_device> appears to be in use.
+ * -s Use sequential instead of healing reconstruction for resilver.
+ * -o Set property=value.
+ * -w Wait for resilvering to complete before returning
+ *
+ * Attach <new_device> to the mirror containing <device>. If <device> is not
+ * part of a mirror, then <device> will be transformed into a mirror of
+ * <device> and <new_device>. In either case, <new_device> will begin life
+ * with a DTL of [0, now], and will immediately begin to resilver itself.
+ */
+int
+zpool_do_attach(int argc, char **argv)
+{
+ return (zpool_do_attach_or_replace(argc, argv, B_FALSE));
+}
+
+/*
+ * zpool detach [-f] <pool> <device>
+ *
+ * -f Force detach of <device>, even if DTLs argue against it
+ * (not supported yet)
+ *
+ * Detach a device from a mirror. The operation will be refused if <device>
+ * is the last device in the mirror, or if the DTLs indicate that this device
+ * has the only valid copy of some data.
+ */
+/* ARGSUSED */
+int
+zpool_do_detach(int argc, char **argv)
+{
+ int c;
+ char *poolname, *path;
+ zpool_handle_t *zhp;
+ int ret;
+
+ /* check options */
+ while ((c = getopt(argc, argv, "")) != -1) {
+ switch (c) {
+ case '?':
+ (void) fprintf(stderr, gettext("invalid option '%c'\n"),
+ optopt);
+ usage(B_FALSE);
+ }
+ }
+
+ argc -= optind;
+ argv += optind;
+
+ /* get pool name and check number of arguments */
+ if (argc < 1) {
+ (void) fprintf(stderr, gettext("missing pool name argument\n"));
+ usage(B_FALSE);
+ }
+
+ if (argc < 2) {
+ (void) fprintf(stderr,
+ gettext("missing <device> specification\n"));
+ usage(B_FALSE);
+ }
+
+ poolname = argv[0];
+ path = argv[1];
+
+ if ((zhp = zpool_open(g_zfs, poolname)) == NULL)
+ return (1);
+
+ ret = zpool_vdev_detach(zhp, path);
+
+ zpool_close(zhp);
+
+ return (ret);
+}
+
+/*
+ * zpool split [-gLnP] [-o prop=val] ...
+ * [-o mntopt] ...
+ * [-R altroot] <pool> <newpool> [<device> ...]
+ *
+ * -g Display guid for individual vdev name.
+ * -L Follow links when resolving vdev path name.
+ * -n Do not split the pool, but display the resulting layout if
+ * it were to be split.
+ * -o Set property=value, or set mount options.
+ * -P Display full path for vdev name.
+ * -R Mount the split-off pool under an alternate root.
+ * -l Load encryption keys while importing.
+ *
+ * Splits the named pool and gives it the new pool name. Devices to be split
+ * off may be listed, provided that no more than one device is specified
+ * per top-level vdev mirror. The newly split pool is left in an exported
+ * state unless -R is specified.
+ *
+ * Restrictions: the top-level of the pool pool must only be made up of
+ * mirrors; all devices in the pool must be healthy; no device may be
+ * undergoing a resilvering operation.
+ */
+int
+zpool_do_split(int argc, char **argv)
+{
+ char *srcpool, *newpool, *propval;
+ char *mntopts = NULL;
+ splitflags_t flags;
+ int c, ret = 0;
+ boolean_t loadkeys = B_FALSE;
+ zpool_handle_t *zhp;
+ nvlist_t *config, *props = NULL;
+
+ flags.dryrun = B_FALSE;
+ flags.import = B_FALSE;
+ flags.name_flags = 0;
+
+ /* check options */
+ while ((c = getopt(argc, argv, ":gLR:lno:P")) != -1) {
+ switch (c) {
+ case 'g':
+ flags.name_flags |= VDEV_NAME_GUID;
+ break;
+ case 'L':
+ flags.name_flags |= VDEV_NAME_FOLLOW_LINKS;
+ break;
+ case 'R':
+ flags.import = B_TRUE;
+ if (add_prop_list(
+ zpool_prop_to_name(ZPOOL_PROP_ALTROOT), optarg,
+ &props, B_TRUE) != 0) {
+ nvlist_free(props);
+ usage(B_FALSE);
+ }
+ break;
+ case 'l':
+ loadkeys = B_TRUE;
+ break;
+ case 'n':
+ flags.dryrun = B_TRUE;
+ break;
+ case 'o':
+ if ((propval = strchr(optarg, '=')) != NULL) {
+ *propval = '\0';
+ propval++;
+ if (add_prop_list(optarg, propval,
+ &props, B_TRUE) != 0) {
+ nvlist_free(props);
+ usage(B_FALSE);
+ }
+ } else {
+ mntopts = optarg;
+ }
+ break;
+ case 'P':
+ flags.name_flags |= VDEV_NAME_PATH;
+ break;
+ case ':':
+ (void) fprintf(stderr, gettext("missing argument for "
+ "'%c' option\n"), optopt);
+ usage(B_FALSE);
+ break;
+ case '?':
+ (void) fprintf(stderr, gettext("invalid option '%c'\n"),
+ optopt);
+ usage(B_FALSE);
+ break;
+ }
+ }
+
+ if (!flags.import && mntopts != NULL) {
+ (void) fprintf(stderr, gettext("setting mntopts is only "
+ "valid when importing the pool\n"));
+ usage(B_FALSE);
+ }
+
+ if (!flags.import && loadkeys) {
+ (void) fprintf(stderr, gettext("loading keys is only "
+ "valid when importing the pool\n"));
+ usage(B_FALSE);
+ }
+
+ argc -= optind;
+ argv += optind;
+
+ if (argc < 1) {
+ (void) fprintf(stderr, gettext("Missing pool name\n"));
+ usage(B_FALSE);
+ }
+ if (argc < 2) {
+ (void) fprintf(stderr, gettext("Missing new pool name\n"));
+ usage(B_FALSE);
+ }
+
+ srcpool = argv[0];
+ newpool = argv[1];
+
+ argc -= 2;
+ argv += 2;
+
+ if ((zhp = zpool_open(g_zfs, srcpool)) == NULL) {
+ nvlist_free(props);
+ return (1);
+ }
+
+ config = split_mirror_vdev(zhp, newpool, props, flags, argc, argv);
+ if (config == NULL) {
+ ret = 1;
+ } else {
+ if (flags.dryrun) {
+ (void) printf(gettext("would create '%s' with the "
+ "following layout:\n\n"), newpool);
+ print_vdev_tree(NULL, newpool, config, 0, "",
+ flags.name_flags);
+ }
+ }
+
+ zpool_close(zhp);
+
+ if (ret != 0 || flags.dryrun || !flags.import) {
+ nvlist_free(config);
+ nvlist_free(props);
+ return (ret);
+ }
+
+ /*
+ * The split was successful. Now we need to open the new
+ * pool and import it.
+ */
+ if ((zhp = zpool_open_canfail(g_zfs, newpool)) == NULL) {
+ nvlist_free(config);
+ nvlist_free(props);
+ return (1);
+ }
+
+ if (loadkeys) {
+ ret = zfs_crypto_attempt_load_keys(g_zfs, newpool);
+ if (ret != 0)
+ ret = 1;
+ }
+
+ if (zpool_get_state(zhp) != POOL_STATE_UNAVAIL &&
+ zpool_enable_datasets(zhp, mntopts, 0) != 0) {
+ ret = 1;
+ (void) fprintf(stderr, gettext("Split was successful, but "
+ "the datasets could not all be mounted\n"));
+ (void) fprintf(stderr, gettext("Try doing '%s' with a "
+ "different altroot\n"), "zpool import");
+ }
+ zpool_close(zhp);
+ nvlist_free(config);
+ nvlist_free(props);
+
+ return (ret);
+}
+
+
+
+/*
+ * zpool online <pool> <device> ...
+ */
+int
+zpool_do_online(int argc, char **argv)
+{
+ int c, i;
+ char *poolname;
+ zpool_handle_t *zhp;
+ int ret = 0;
+ vdev_state_t newstate;
+ int flags = 0;
+
+ /* check options */
+ while ((c = getopt(argc, argv, "e")) != -1) {
+ switch (c) {
+ case 'e':
+ flags |= ZFS_ONLINE_EXPAND;
+ break;
+ case '?':
+ (void) fprintf(stderr, gettext("invalid option '%c'\n"),
+ optopt);
+ usage(B_FALSE);
+ }
+ }
+
+ argc -= optind;
+ argv += optind;
+
+ /* get pool name and check number of arguments */
+ if (argc < 1) {
+ (void) fprintf(stderr, gettext("missing pool name\n"));
+ usage(B_FALSE);
+ }
+ if (argc < 2) {
+ (void) fprintf(stderr, gettext("missing device name\n"));
+ usage(B_FALSE);
+ }
+
+ poolname = argv[0];
+
+ if ((zhp = zpool_open(g_zfs, poolname)) == NULL)
+ return (1);
+
+ for (i = 1; i < argc; i++) {
+ if (zpool_vdev_online(zhp, argv[i], flags, &newstate) == 0) {
+ if (newstate != VDEV_STATE_HEALTHY) {
+ (void) printf(gettext("warning: device '%s' "
+ "onlined, but remains in faulted state\n"),
+ argv[i]);
+ if (newstate == VDEV_STATE_FAULTED)
+ (void) printf(gettext("use 'zpool "
+ "clear' to restore a faulted "
+ "device\n"));
+ else
+ (void) printf(gettext("use 'zpool "
+ "replace' to replace devices "
+ "that are no longer present\n"));
+ }
+ } else {
+ ret = 1;
+ }
+ }
+
+ zpool_close(zhp);
+
+ return (ret);
+}
+
+/*
+ * zpool offline [-ft] <pool> <device> ...
+ *
+ * -f Force the device into a faulted state.
+ *
+ * -t Only take the device off-line temporarily. The offline/faulted
+ * state will not be persistent across reboots.
+ */
+/* ARGSUSED */
+int
+zpool_do_offline(int argc, char **argv)
+{
+ int c, i;
+ char *poolname;
+ zpool_handle_t *zhp;
+ int ret = 0;
+ boolean_t istmp = B_FALSE;
+ boolean_t fault = B_FALSE;
+
+ /* check options */
+ while ((c = getopt(argc, argv, "ft")) != -1) {
+ switch (c) {
+ case 'f':
+ fault = B_TRUE;
+ break;
+ case 't':
+ istmp = B_TRUE;
+ break;
+ case '?':
+ (void) fprintf(stderr, gettext("invalid option '%c'\n"),
+ optopt);
+ usage(B_FALSE);
+ }
+ }
+
+ argc -= optind;
+ argv += optind;
+
+ /* get pool name and check number of arguments */
+ if (argc < 1) {
+ (void) fprintf(stderr, gettext("missing pool name\n"));
+ usage(B_FALSE);
+ }
+ if (argc < 2) {
+ (void) fprintf(stderr, gettext("missing device name\n"));
+ usage(B_FALSE);
+ }
+
+ poolname = argv[0];
+
+ if ((zhp = zpool_open(g_zfs, poolname)) == NULL)
+ return (1);
+
+ for (i = 1; i < argc; i++) {
+ if (fault) {
+ uint64_t guid = zpool_vdev_path_to_guid(zhp, argv[i]);
+ vdev_aux_t aux;
+ if (istmp == B_FALSE) {
+ /* Force the fault to persist across imports */
+ aux = VDEV_AUX_EXTERNAL_PERSIST;
+ } else {
+ aux = VDEV_AUX_EXTERNAL;
+ }
+
+ if (guid == 0 || zpool_vdev_fault(zhp, guid, aux) != 0)
+ ret = 1;
+ } else {
+ if (zpool_vdev_offline(zhp, argv[i], istmp) != 0)
+ ret = 1;
+ }
+ }
+
+ zpool_close(zhp);
+
+ return (ret);
+}
+
+/*
+ * zpool clear <pool> [device]
+ *
+ * Clear all errors associated with a pool or a particular device.
+ */
+int
+zpool_do_clear(int argc, char **argv)
+{
+ int c;
+ int ret = 0;
+ boolean_t dryrun = B_FALSE;
+ boolean_t do_rewind = B_FALSE;
+ boolean_t xtreme_rewind = B_FALSE;
+ uint32_t rewind_policy = ZPOOL_NO_REWIND;
+ nvlist_t *policy = NULL;
+ zpool_handle_t *zhp;
+ char *pool, *device;
+
+ /* check options */
+ while ((c = getopt(argc, argv, "FnX")) != -1) {
+ switch (c) {
+ case 'F':
+ do_rewind = B_TRUE;
+ break;
+ case 'n':
+ dryrun = B_TRUE;
+ break;
+ case 'X':
+ xtreme_rewind = B_TRUE;
+ break;
+ case '?':
+ (void) fprintf(stderr, gettext("invalid option '%c'\n"),
+ optopt);
+ usage(B_FALSE);
+ }
+ }
+
+ argc -= optind;
+ argv += optind;
+
+ if (argc < 1) {
+ (void) fprintf(stderr, gettext("missing pool name\n"));
+ usage(B_FALSE);
+ }
+
+ if (argc > 2) {
+ (void) fprintf(stderr, gettext("too many arguments\n"));
+ usage(B_FALSE);
+ }
+
+ if ((dryrun || xtreme_rewind) && !do_rewind) {
+ (void) fprintf(stderr,
+ gettext("-n or -X only meaningful with -F\n"));
+ usage(B_FALSE);
+ }
+ if (dryrun)
+ rewind_policy = ZPOOL_TRY_REWIND;
+ else if (do_rewind)
+ rewind_policy = ZPOOL_DO_REWIND;
+ if (xtreme_rewind)
+ rewind_policy |= ZPOOL_EXTREME_REWIND;
+
+ /* In future, further rewind policy choices can be passed along here */
+ if (nvlist_alloc(&policy, NV_UNIQUE_NAME, 0) != 0 ||
+ nvlist_add_uint32(policy, ZPOOL_LOAD_REWIND_POLICY,
+ rewind_policy) != 0) {
+ return (1);
+ }
+
+ pool = argv[0];
+ device = argc == 2 ? argv[1] : NULL;
+
+ if ((zhp = zpool_open_canfail(g_zfs, pool)) == NULL) {
+ nvlist_free(policy);
+ return (1);
+ }
+
+ if (zpool_clear(zhp, device, policy) != 0)
+ ret = 1;
+
+ zpool_close(zhp);
+
+ nvlist_free(policy);
+
+ return (ret);
+}
+
+/*
+ * zpool reguid <pool>
+ */
+int
+zpool_do_reguid(int argc, char **argv)
+{
+ int c;
+ char *poolname;
+ zpool_handle_t *zhp;
+ int ret = 0;
+
+ /* check options */
+ while ((c = getopt(argc, argv, "")) != -1) {
+ switch (c) {
+ case '?':
+ (void) fprintf(stderr, gettext("invalid option '%c'\n"),
+ optopt);
+ usage(B_FALSE);
+ }
+ }
+
+ argc -= optind;
+ argv += optind;
+
+ /* get pool name and check number of arguments */
+ if (argc < 1) {
+ (void) fprintf(stderr, gettext("missing pool name\n"));
+ usage(B_FALSE);
+ }
+
+ if (argc > 1) {
+ (void) fprintf(stderr, gettext("too many arguments\n"));
+ usage(B_FALSE);
+ }
+
+ poolname = argv[0];
+ if ((zhp = zpool_open(g_zfs, poolname)) == NULL)
+ return (1);
+
+ ret = zpool_reguid(zhp);
+
+ zpool_close(zhp);
+ return (ret);
+}
+
+
+/*
+ * zpool reopen <pool>
+ *
+ * Reopen the pool so that the kernel can update the sizes of all vdevs.
+ */
+int
+zpool_do_reopen(int argc, char **argv)
+{
+ int c;
+ int ret = 0;
+ boolean_t scrub_restart = B_TRUE;
+
+ /* check options */
+ while ((c = getopt(argc, argv, "n")) != -1) {
+ switch (c) {
+ case 'n':
+ scrub_restart = B_FALSE;
+ break;
+ case '?':
+ (void) fprintf(stderr, gettext("invalid option '%c'\n"),
+ optopt);
+ usage(B_FALSE);
+ }
+ }
+
+ argc -= optind;
+ argv += optind;
+
+ /* if argc == 0 we will execute zpool_reopen_one on all pools */
+ ret = for_each_pool(argc, argv, B_TRUE, NULL, zpool_reopen_one,
+ &scrub_restart);
+
+ return (ret);
+}
+
+typedef struct scrub_cbdata {
+ int cb_type;
+ pool_scrub_cmd_t cb_scrub_cmd;
+} scrub_cbdata_t;
+
+static boolean_t
+zpool_has_checkpoint(zpool_handle_t *zhp)
+{
+ nvlist_t *config, *nvroot;
+
+ config = zpool_get_config(zhp, NULL);
+
+ if (config != NULL) {
+ pool_checkpoint_stat_t *pcs = NULL;
+ uint_t c;
+
+ nvroot = fnvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE);
+ (void) nvlist_lookup_uint64_array(nvroot,
+ ZPOOL_CONFIG_CHECKPOINT_STATS, (uint64_t **)&pcs, &c);
+
+ if (pcs == NULL || pcs->pcs_state == CS_NONE)
+ return (B_FALSE);
+
+ assert(pcs->pcs_state == CS_CHECKPOINT_EXISTS ||
+ pcs->pcs_state == CS_CHECKPOINT_DISCARDING);
+ return (B_TRUE);
+ }
+
+ return (B_FALSE);
+}
+
+static int
+scrub_callback(zpool_handle_t *zhp, void *data)
+{
+ scrub_cbdata_t *cb = data;
+ int err;
+
+ /*
+ * Ignore faulted pools.
+ */
+ if (zpool_get_state(zhp) == POOL_STATE_UNAVAIL) {
+ (void) fprintf(stderr, gettext("cannot scan '%s': pool is "
+ "currently unavailable\n"), zpool_get_name(zhp));
+ return (1);
+ }
+
+ err = zpool_scan(zhp, cb->cb_type, cb->cb_scrub_cmd);
+
+ if (err == 0 && zpool_has_checkpoint(zhp) &&
+ cb->cb_type == POOL_SCAN_SCRUB) {
+ (void) printf(gettext("warning: will not scrub state that "
+ "belongs to the checkpoint of pool '%s'\n"),
+ zpool_get_name(zhp));
+ }
+
+ return (err != 0);
+}
+
+static int
+wait_callback(zpool_handle_t *zhp, void *data)
+{
+ zpool_wait_activity_t *act = data;
+ return (zpool_wait(zhp, *act));
+}
+
+/*
+ * zpool scrub [-s | -p] [-w] <pool> ...
+ *
+ * -s Stop. Stops any in-progress scrub.
+ * -p Pause. Pause in-progress scrub.
+ * -w Wait. Blocks until scrub has completed.
+ */
+int
+zpool_do_scrub(int argc, char **argv)
+{
+ int c;
+ scrub_cbdata_t cb;
+ boolean_t wait = B_FALSE;
+ int error;
+
+ cb.cb_type = POOL_SCAN_SCRUB;
+ cb.cb_scrub_cmd = POOL_SCRUB_NORMAL;
+
+ /* check options */
+ while ((c = getopt(argc, argv, "spw")) != -1) {
+ switch (c) {
+ case 's':
+ cb.cb_type = POOL_SCAN_NONE;
+ break;
+ case 'p':
+ cb.cb_scrub_cmd = POOL_SCRUB_PAUSE;
+ break;
+ case 'w':
+ wait = B_TRUE;
+ break;
+ case '?':
+ (void) fprintf(stderr, gettext("invalid option '%c'\n"),
+ optopt);
+ usage(B_FALSE);
+ }
+ }
+
+ if (cb.cb_type == POOL_SCAN_NONE &&
+ cb.cb_scrub_cmd == POOL_SCRUB_PAUSE) {
+ (void) fprintf(stderr, gettext("invalid option combination: "
+ "-s and -p are mutually exclusive\n"));
+ usage(B_FALSE);
+ }
+
+ if (wait && (cb.cb_type == POOL_SCAN_NONE ||
+ cb.cb_scrub_cmd == POOL_SCRUB_PAUSE)) {
+ (void) fprintf(stderr, gettext("invalid option combination: "
+ "-w cannot be used with -p or -s\n"));
+ usage(B_FALSE);
+ }
+
+ argc -= optind;
+ argv += optind;
+
+ if (argc < 1) {
+ (void) fprintf(stderr, gettext("missing pool name argument\n"));
+ usage(B_FALSE);
+ }
+
+ error = for_each_pool(argc, argv, B_TRUE, NULL, scrub_callback, &cb);
+
+ if (wait && !error) {
+ zpool_wait_activity_t act = ZPOOL_WAIT_SCRUB;
+ error = for_each_pool(argc, argv, B_TRUE, NULL, wait_callback,
+ &act);
+ }
+
+ return (error);
+}
+
+/*
+ * zpool resilver <pool> ...
+ *
+ * Restarts any in-progress resilver
+ */
+int
+zpool_do_resilver(int argc, char **argv)
+{
+ int c;
+ scrub_cbdata_t cb;
+
+ cb.cb_type = POOL_SCAN_RESILVER;
+ cb.cb_scrub_cmd = POOL_SCRUB_NORMAL;
+
+ /* check options */
+ while ((c = getopt(argc, argv, "")) != -1) {
+ switch (c) {
+ case '?':
+ (void) fprintf(stderr, gettext("invalid option '%c'\n"),
+ optopt);
+ usage(B_FALSE);
+ }
+ }
+
+ argc -= optind;
+ argv += optind;
+
+ if (argc < 1) {
+ (void) fprintf(stderr, gettext("missing pool name argument\n"));
+ usage(B_FALSE);
+ }
+
+ return (for_each_pool(argc, argv, B_TRUE, NULL, scrub_callback, &cb));
+}
+
+/*
+ * zpool trim [-d] [-r <rate>] [-c | -s] <pool> [<device> ...]
+ *
+ * -c Cancel. Ends any in-progress trim.
+ * -d Secure trim. Requires kernel and device support.
+ * -r <rate> Sets the TRIM rate in bytes (per second). Supports
+ * adding a multiplier suffix such as 'k' or 'm'.
+ * -s Suspend. TRIM can then be restarted with no flags.
+ * -w Wait. Blocks until trimming has completed.
+ */
+int
+zpool_do_trim(int argc, char **argv)
+{
+ struct option long_options[] = {
+ {"cancel", no_argument, NULL, 'c'},
+ {"secure", no_argument, NULL, 'd'},
+ {"rate", required_argument, NULL, 'r'},
+ {"suspend", no_argument, NULL, 's'},
+ {"wait", no_argument, NULL, 'w'},
+ {0, 0, 0, 0}
+ };
+
+ pool_trim_func_t cmd_type = POOL_TRIM_START;
+ uint64_t rate = 0;
+ boolean_t secure = B_FALSE;
+ boolean_t wait = B_FALSE;
+
+ int c;
+ while ((c = getopt_long(argc, argv, "cdr:sw", long_options, NULL))
+ != -1) {
+ switch (c) {
+ case 'c':
+ if (cmd_type != POOL_TRIM_START &&
+ cmd_type != POOL_TRIM_CANCEL) {
+ (void) fprintf(stderr, gettext("-c cannot be "
+ "combined with other options\n"));
+ usage(B_FALSE);
+ }
+ cmd_type = POOL_TRIM_CANCEL;
+ break;
+ case 'd':
+ if (cmd_type != POOL_TRIM_START) {
+ (void) fprintf(stderr, gettext("-d cannot be "
+ "combined with the -c or -s options\n"));
+ usage(B_FALSE);
+ }
+ secure = B_TRUE;
+ break;
+ case 'r':
+ if (cmd_type != POOL_TRIM_START) {
+ (void) fprintf(stderr, gettext("-r cannot be "
+ "combined with the -c or -s options\n"));
+ usage(B_FALSE);
+ }
+ if (zfs_nicestrtonum(NULL, optarg, &rate) == -1) {
+ (void) fprintf(stderr,
+ gettext("invalid value for rate\n"));
+ usage(B_FALSE);
+ }
+ break;
+ case 's':
+ if (cmd_type != POOL_TRIM_START &&
+ cmd_type != POOL_TRIM_SUSPEND) {
+ (void) fprintf(stderr, gettext("-s cannot be "
+ "combined with other options\n"));
+ usage(B_FALSE);
+ }
+ cmd_type = POOL_TRIM_SUSPEND;
+ break;
+ case 'w':
+ wait = B_TRUE;
+ break;
+ case '?':
+ if (optopt != 0) {
+ (void) fprintf(stderr,
+ gettext("invalid option '%c'\n"), optopt);
+ } else {
+ (void) fprintf(stderr,
+ gettext("invalid option '%s'\n"),
+ argv[optind - 1]);
+ }
+ usage(B_FALSE);
+ }
+ }
+
+ argc -= optind;
+ argv += optind;
+
+ if (argc < 1) {
+ (void) fprintf(stderr, gettext("missing pool name argument\n"));
+ usage(B_FALSE);
+ return (-1);
+ }
+
+ if (wait && (cmd_type != POOL_TRIM_START)) {
+ (void) fprintf(stderr, gettext("-w cannot be used with -c or "
+ "-s\n"));
+ usage(B_FALSE);
+ }
+
+ char *poolname = argv[0];
+ zpool_handle_t *zhp = zpool_open(g_zfs, poolname);
+ if (zhp == NULL)
+ return (-1);
+
+ trimflags_t trim_flags = {
+ .secure = secure,
+ .rate = rate,
+ .wait = wait,
+ };
+
+ nvlist_t *vdevs = fnvlist_alloc();
+ if (argc == 1) {
+ /* no individual leaf vdevs specified, so add them all */
+ nvlist_t *config = zpool_get_config(zhp, NULL);
+ nvlist_t *nvroot = fnvlist_lookup_nvlist(config,
+ ZPOOL_CONFIG_VDEV_TREE);
+ zpool_collect_leaves(zhp, nvroot, vdevs);
+ trim_flags.fullpool = B_TRUE;
+ } else {
+ trim_flags.fullpool = B_FALSE;
+ for (int i = 1; i < argc; i++) {
+ fnvlist_add_boolean(vdevs, argv[i]);
+ }
+ }
+
+ int error = zpool_trim(zhp, cmd_type, vdevs, &trim_flags);
+
+ fnvlist_free(vdevs);
+ zpool_close(zhp);
+
+ return (error);
+}
+
+/*
+ * Converts a total number of seconds to a human readable string broken
+ * down in to days/hours/minutes/seconds.
+ */
+static void
+secs_to_dhms(uint64_t total, char *buf)
+{
+ uint64_t days = total / 60 / 60 / 24;
+ uint64_t hours = (total / 60 / 60) % 24;
+ uint64_t mins = (total / 60) % 60;
+ uint64_t secs = (total % 60);
+
+ if (days > 0) {
+ (void) sprintf(buf, "%llu days %02llu:%02llu:%02llu",
+ (u_longlong_t)days, (u_longlong_t)hours,
+ (u_longlong_t)mins, (u_longlong_t)secs);
+ } else {
+ (void) sprintf(buf, "%02llu:%02llu:%02llu",
+ (u_longlong_t)hours, (u_longlong_t)mins,
+ (u_longlong_t)secs);
+ }
+}
+
+/*
+ * Print out detailed scrub status.
+ */
+static void
+print_scan_scrub_resilver_status(pool_scan_stat_t *ps)
+{
+ time_t start, end, pause;
+ uint64_t pass_scanned, scanned, pass_issued, issued, total;
+ uint64_t elapsed, scan_rate, issue_rate;
+ double fraction_done;
+ char processed_buf[7], scanned_buf[7], issued_buf[7], total_buf[7];
+ char srate_buf[7], irate_buf[7], time_buf[32];
+
+ printf(" ");
+ printf_color(ANSI_BOLD, gettext("scan:"));
+ printf(" ");
+
+ /* If there's never been a scan, there's not much to say. */
+ if (ps == NULL || ps->pss_func == POOL_SCAN_NONE ||
+ ps->pss_func >= POOL_SCAN_FUNCS) {
+ (void) printf(gettext("none requested\n"));
+ return;
+ }
+
+ start = ps->pss_start_time;
+ end = ps->pss_end_time;
+ pause = ps->pss_pass_scrub_pause;
+
+ zfs_nicebytes(ps->pss_processed, processed_buf, sizeof (processed_buf));
+
+ assert(ps->pss_func == POOL_SCAN_SCRUB ||
+ ps->pss_func == POOL_SCAN_RESILVER);
+
+ /* Scan is finished or canceled. */
+ if (ps->pss_state == DSS_FINISHED) {
+ secs_to_dhms(end - start, time_buf);
+
+ if (ps->pss_func == POOL_SCAN_SCRUB) {
+ (void) printf(gettext("scrub repaired %s "
+ "in %s with %llu errors on %s"), processed_buf,
+ time_buf, (u_longlong_t)ps->pss_errors,
+ ctime(&end));
+ } else if (ps->pss_func == POOL_SCAN_RESILVER) {
+ (void) printf(gettext("resilvered %s "
+ "in %s with %llu errors on %s"), processed_buf,
+ time_buf, (u_longlong_t)ps->pss_errors,
+ ctime(&end));
+ }
+ return;
+ } else if (ps->pss_state == DSS_CANCELED) {
+ if (ps->pss_func == POOL_SCAN_SCRUB) {
+ (void) printf(gettext("scrub canceled on %s"),
+ ctime(&end));
+ } else if (ps->pss_func == POOL_SCAN_RESILVER) {
+ (void) printf(gettext("resilver canceled on %s"),
+ ctime(&end));
+ }
+ return;
+ }
+
+ assert(ps->pss_state == DSS_SCANNING);
+
+ /* Scan is in progress. Resilvers can't be paused. */
+ if (ps->pss_func == POOL_SCAN_SCRUB) {
+ if (pause == 0) {
+ (void) printf(gettext("scrub in progress since %s"),
+ ctime(&start));
+ } else {
+ (void) printf(gettext("scrub paused since %s"),
+ ctime(&pause));
+ (void) printf(gettext("\tscrub started on %s"),
+ ctime(&start));
+ }
+ } else if (ps->pss_func == POOL_SCAN_RESILVER) {
+ (void) printf(gettext("resilver in progress since %s"),
+ ctime(&start));
+ }
+
+ scanned = ps->pss_examined;
+ pass_scanned = ps->pss_pass_exam;
+ issued = ps->pss_issued;
+ pass_issued = ps->pss_pass_issued;
+ total = ps->pss_to_examine;
+
+ /* we are only done with a block once we have issued the IO for it */
+ fraction_done = (double)issued / total;
+
+ /* elapsed time for this pass, rounding up to 1 if it's 0 */
+ elapsed = time(NULL) - ps->pss_pass_start;
+ elapsed -= ps->pss_pass_scrub_spent_paused;
+ elapsed = (elapsed != 0) ? elapsed : 1;
+
+ scan_rate = pass_scanned / elapsed;
+ issue_rate = pass_issued / elapsed;
+ uint64_t total_secs_left = (issue_rate != 0 && total >= issued) ?
+ ((total - issued) / issue_rate) : UINT64_MAX;
+ secs_to_dhms(total_secs_left, time_buf);
+
+ /* format all of the numbers we will be reporting */
+ zfs_nicebytes(scanned, scanned_buf, sizeof (scanned_buf));
+ zfs_nicebytes(issued, issued_buf, sizeof (issued_buf));
+ zfs_nicebytes(total, total_buf, sizeof (total_buf));
+ zfs_nicebytes(scan_rate, srate_buf, sizeof (srate_buf));
+ zfs_nicebytes(issue_rate, irate_buf, sizeof (irate_buf));
+
+ /* do not print estimated time if we have a paused scrub */
+ if (pause == 0) {
+ (void) printf(gettext("\t%s scanned at %s/s, "
+ "%s issued at %s/s, %s total\n"),
+ scanned_buf, srate_buf, issued_buf, irate_buf, total_buf);
+ } else {
+ (void) printf(gettext("\t%s scanned, %s issued, %s total\n"),
+ scanned_buf, issued_buf, total_buf);
+ }
+
+ if (ps->pss_func == POOL_SCAN_RESILVER) {
+ (void) printf(gettext("\t%s resilvered, %.2f%% done"),
+ processed_buf, 100 * fraction_done);
+ } else if (ps->pss_func == POOL_SCAN_SCRUB) {
+ (void) printf(gettext("\t%s repaired, %.2f%% done"),
+ processed_buf, 100 * fraction_done);
+ }
+
+ if (pause == 0) {
+ if (total_secs_left != UINT64_MAX &&
+ issue_rate >= 10 * 1024 * 1024) {
+ (void) printf(gettext(", %s to go\n"), time_buf);
+ } else {
+ (void) printf(gettext(", no estimated "
+ "completion time\n"));
+ }
+ } else {
+ (void) printf(gettext("\n"));
+ }
+}
+
+static void
+print_rebuild_status_impl(vdev_rebuild_stat_t *vrs, char *vdev_name)
+{
+ if (vrs == NULL || vrs->vrs_state == VDEV_REBUILD_NONE)
+ return;
+
+ printf(" ");
+ printf_color(ANSI_BOLD, gettext("scan:"));
+ printf(" ");
+
+ uint64_t bytes_scanned = vrs->vrs_bytes_scanned;
+ uint64_t bytes_issued = vrs->vrs_bytes_issued;
+ uint64_t bytes_rebuilt = vrs->vrs_bytes_rebuilt;
+ uint64_t bytes_est = vrs->vrs_bytes_est;
+ uint64_t scan_rate = (vrs->vrs_pass_bytes_scanned /
+ (vrs->vrs_pass_time_ms + 1)) * 1000;
+ uint64_t issue_rate = (vrs->vrs_pass_bytes_issued /
+ (vrs->vrs_pass_time_ms + 1)) * 1000;
+ double scan_pct = MIN((double)bytes_scanned * 100 /
+ (bytes_est + 1), 100);
+
+ /* Format all of the numbers we will be reporting */
+ char bytes_scanned_buf[7], bytes_issued_buf[7];
+ char bytes_rebuilt_buf[7], bytes_est_buf[7];
+ char scan_rate_buf[7], issue_rate_buf[7], time_buf[32];
+ zfs_nicebytes(bytes_scanned, bytes_scanned_buf,
+ sizeof (bytes_scanned_buf));
+ zfs_nicebytes(bytes_issued, bytes_issued_buf,
+ sizeof (bytes_issued_buf));
+ zfs_nicebytes(bytes_rebuilt, bytes_rebuilt_buf,
+ sizeof (bytes_rebuilt_buf));
+ zfs_nicebytes(bytes_est, bytes_est_buf, sizeof (bytes_est_buf));
+ zfs_nicebytes(scan_rate, scan_rate_buf, sizeof (scan_rate_buf));
+ zfs_nicebytes(issue_rate, issue_rate_buf, sizeof (issue_rate_buf));
+
+ time_t start = vrs->vrs_start_time;
+ time_t end = vrs->vrs_end_time;
+
+ /* Rebuild is finished or canceled. */
+ if (vrs->vrs_state == VDEV_REBUILD_COMPLETE) {
+ secs_to_dhms(vrs->vrs_scan_time_ms / 1000, time_buf);
+ (void) printf(gettext("resilvered (%s) %s in %s "
+ "with %llu errors on %s"), vdev_name, bytes_rebuilt_buf,
+ time_buf, (u_longlong_t)vrs->vrs_errors, ctime(&end));
+ return;
+ } else if (vrs->vrs_state == VDEV_REBUILD_CANCELED) {
+ (void) printf(gettext("resilver (%s) canceled on %s"),
+ vdev_name, ctime(&end));
+ return;
+ } else if (vrs->vrs_state == VDEV_REBUILD_ACTIVE) {
+ (void) printf(gettext("resilver (%s) in progress since %s"),
+ vdev_name, ctime(&start));
+ }
+
+ assert(vrs->vrs_state == VDEV_REBUILD_ACTIVE);
+
+ secs_to_dhms(MAX((int64_t)bytes_est - (int64_t)bytes_scanned, 0) /
+ MAX(scan_rate, 1), time_buf);
+
+ (void) printf(gettext("\t%s scanned at %s/s, %s issued %s/s, "
+ "%s total\n"), bytes_scanned_buf, scan_rate_buf,
+ bytes_issued_buf, issue_rate_buf, bytes_est_buf);
+ (void) printf(gettext("\t%s resilvered, %.2f%% done"),
+ bytes_rebuilt_buf, scan_pct);
+
+ if (vrs->vrs_state == VDEV_REBUILD_ACTIVE) {
+ if (scan_rate >= 10 * 1024 * 1024) {
+ (void) printf(gettext(", %s to go\n"), time_buf);
+ } else {
+ (void) printf(gettext(", no estimated "
+ "completion time\n"));
+ }
+ } else {
+ (void) printf(gettext("\n"));
+ }
+}
+
+/*
+ * Print rebuild status for top-level vdevs.
+ */
+static void
+print_rebuild_status(zpool_handle_t *zhp, nvlist_t *nvroot)
+{
+ nvlist_t **child;
+ uint_t children;
+
+ if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_CHILDREN,
+ &child, &children) != 0)
+ children = 0;
+
+ for (uint_t c = 0; c < children; c++) {
+ vdev_rebuild_stat_t *vrs;
+ uint_t i;
+
+ if (nvlist_lookup_uint64_array(child[c],
+ ZPOOL_CONFIG_REBUILD_STATS, (uint64_t **)&vrs, &i) == 0) {
+ char *name = zpool_vdev_name(g_zfs, zhp,
+ child[c], VDEV_NAME_TYPE_ID);
+ print_rebuild_status_impl(vrs, name);
+ free(name);
+ }
+ }
+}
+
+/*
+ * As we don't scrub checkpointed blocks, we want to warn the user that we
+ * skipped scanning some blocks if a checkpoint exists or existed at any
+ * time during the scan. If a sequential instead of healing reconstruction
+ * was performed then the blocks were reconstructed. However, their checksums
+ * have not been verified so we still print the warning.
+ */
+static void
+print_checkpoint_scan_warning(pool_scan_stat_t *ps, pool_checkpoint_stat_t *pcs)
+{
+ if (ps == NULL || pcs == NULL)
+ return;
+
+ if (pcs->pcs_state == CS_NONE ||
+ pcs->pcs_state == CS_CHECKPOINT_DISCARDING)
+ return;
+
+ assert(pcs->pcs_state == CS_CHECKPOINT_EXISTS);
+
+ if (ps->pss_state == DSS_NONE)
+ return;
+
+ if ((ps->pss_state == DSS_FINISHED || ps->pss_state == DSS_CANCELED) &&
+ ps->pss_end_time < pcs->pcs_start_time)
+ return;
+
+ if (ps->pss_state == DSS_FINISHED || ps->pss_state == DSS_CANCELED) {
+ (void) printf(gettext(" scan warning: skipped blocks "
+ "that are only referenced by the checkpoint.\n"));
+ } else {
+ assert(ps->pss_state == DSS_SCANNING);
+ (void) printf(gettext(" scan warning: skipping blocks "
+ "that are only referenced by the checkpoint.\n"));
+ }
+}
+
+/*
+ * Returns B_TRUE if there is an active rebuild in progress. Otherwise,
+ * B_FALSE is returned and 'rebuild_end_time' is set to the end time for
+ * the last completed (or cancelled) rebuild.
+ */
+static boolean_t
+check_rebuilding(nvlist_t *nvroot, uint64_t *rebuild_end_time)
+{
+ nvlist_t **child;
+ uint_t children;
+ boolean_t rebuilding = B_FALSE;
+ uint64_t end_time = 0;
+
+ if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_CHILDREN,
+ &child, &children) != 0)
+ children = 0;
+
+ for (uint_t c = 0; c < children; c++) {
+ vdev_rebuild_stat_t *vrs;
+ uint_t i;
+
+ if (nvlist_lookup_uint64_array(child[c],
+ ZPOOL_CONFIG_REBUILD_STATS, (uint64_t **)&vrs, &i) == 0) {
+
+ if (vrs->vrs_end_time > end_time)
+ end_time = vrs->vrs_end_time;
+
+ if (vrs->vrs_state == VDEV_REBUILD_ACTIVE) {
+ rebuilding = B_TRUE;
+ end_time = 0;
+ break;
+ }
+ }
+ }
+
+ if (rebuild_end_time != NULL)
+ *rebuild_end_time = end_time;
+
+ return (rebuilding);
+}
+
+/*
+ * Print the scan status.
+ */
+static void
+print_scan_status(zpool_handle_t *zhp, nvlist_t *nvroot)
+{
+ uint64_t rebuild_end_time = 0, resilver_end_time = 0;
+ boolean_t have_resilver = B_FALSE, have_scrub = B_FALSE;
+ boolean_t active_resilver = B_FALSE;
+ pool_checkpoint_stat_t *pcs = NULL;
+ pool_scan_stat_t *ps = NULL;
+ uint_t c;
+
+ if (nvlist_lookup_uint64_array(nvroot, ZPOOL_CONFIG_SCAN_STATS,
+ (uint64_t **)&ps, &c) == 0) {
+ if (ps->pss_func == POOL_SCAN_RESILVER) {
+ resilver_end_time = ps->pss_end_time;
+ active_resilver = (ps->pss_state == DSS_SCANNING);
+ }
+
+ have_resilver = (ps->pss_func == POOL_SCAN_RESILVER);
+ have_scrub = (ps->pss_func == POOL_SCAN_SCRUB);
+ }
+
+ boolean_t active_rebuild = check_rebuilding(nvroot, &rebuild_end_time);
+ boolean_t have_rebuild = (active_rebuild || (rebuild_end_time > 0));
+
+ /* Always print the scrub status when available. */
+ if (have_scrub)
+ print_scan_scrub_resilver_status(ps);
+
+ /*
+ * When there is an active resilver or rebuild print its status.
+ * Otherwise print the status of the last resilver or rebuild.
+ */
+ if (active_resilver || (!active_rebuild && have_resilver &&
+ resilver_end_time && resilver_end_time > rebuild_end_time)) {
+ print_scan_scrub_resilver_status(ps);
+ } else if (active_rebuild || (!active_resilver && have_rebuild &&
+ rebuild_end_time && rebuild_end_time > resilver_end_time)) {
+ print_rebuild_status(zhp, nvroot);
+ }
+
+ (void) nvlist_lookup_uint64_array(nvroot,
+ ZPOOL_CONFIG_CHECKPOINT_STATS, (uint64_t **)&pcs, &c);
+ print_checkpoint_scan_warning(ps, pcs);
+}
+
+/*
+ * Print out detailed removal status.
+ */
+static void
+print_removal_status(zpool_handle_t *zhp, pool_removal_stat_t *prs)
+{
+ char copied_buf[7], examined_buf[7], total_buf[7], rate_buf[7];
+ time_t start, end;
+ nvlist_t *config, *nvroot;
+ nvlist_t **child;
+ uint_t children;
+ char *vdev_name;
+
+ if (prs == NULL || prs->prs_state == DSS_NONE)
+ return;
+
+ /*
+ * Determine name of vdev.
+ */
+ config = zpool_get_config(zhp, NULL);
+ nvroot = fnvlist_lookup_nvlist(config,
+ ZPOOL_CONFIG_VDEV_TREE);
+ verify(nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_CHILDREN,
+ &child, &children) == 0);
+ assert(prs->prs_removing_vdev < children);
+ vdev_name = zpool_vdev_name(g_zfs, zhp,
+ child[prs->prs_removing_vdev], B_TRUE);
+
+ (void) printf(gettext("remove: "));
+
+ start = prs->prs_start_time;
+ end = prs->prs_end_time;
+ zfs_nicenum(prs->prs_copied, copied_buf, sizeof (copied_buf));
+
+ /*
+ * Removal is finished or canceled.
+ */
+ if (prs->prs_state == DSS_FINISHED) {
+ uint64_t minutes_taken = (end - start) / 60;
+
+ (void) printf(gettext("Removal of vdev %llu copied %s "
+ "in %lluh%um, completed on %s"),
+ (longlong_t)prs->prs_removing_vdev,
+ copied_buf,
+ (u_longlong_t)(minutes_taken / 60),
+ (uint_t)(minutes_taken % 60),
+ ctime((time_t *)&end));
+ } else if (prs->prs_state == DSS_CANCELED) {
+ (void) printf(gettext("Removal of %s canceled on %s"),
+ vdev_name, ctime(&end));
+ } else {
+ uint64_t copied, total, elapsed, mins_left, hours_left;
+ double fraction_done;
+ uint_t rate;
+
+ assert(prs->prs_state == DSS_SCANNING);
+
+ /*
+ * Removal is in progress.
+ */
+ (void) printf(gettext(
+ "Evacuation of %s in progress since %s"),
+ vdev_name, ctime(&start));
+
+ copied = prs->prs_copied > 0 ? prs->prs_copied : 1;
+ total = prs->prs_to_copy;
+ fraction_done = (double)copied / total;
+
+ /* elapsed time for this pass */
+ elapsed = time(NULL) - prs->prs_start_time;
+ elapsed = elapsed > 0 ? elapsed : 1;
+ rate = copied / elapsed;
+ rate = rate > 0 ? rate : 1;
+ mins_left = ((total - copied) / rate) / 60;
+ hours_left = mins_left / 60;
+
+ zfs_nicenum(copied, examined_buf, sizeof (examined_buf));
+ zfs_nicenum(total, total_buf, sizeof (total_buf));
+ zfs_nicenum(rate, rate_buf, sizeof (rate_buf));
+
+ /*
+ * do not print estimated time if hours_left is more than
+ * 30 days
+ */
+ (void) printf(gettext(" %s copied out of %s at %s/s, "
+ "%.2f%% done"),
+ examined_buf, total_buf, rate_buf, 100 * fraction_done);
+ if (hours_left < (30 * 24)) {
+ (void) printf(gettext(", %lluh%um to go\n"),
+ (u_longlong_t)hours_left, (uint_t)(mins_left % 60));
+ } else {
+ (void) printf(gettext(
+ ", (copy is slow, no estimated time)\n"));
+ }
+ }
+ free(vdev_name);
+
+ if (prs->prs_mapping_memory > 0) {
+ char mem_buf[7];
+ zfs_nicenum(prs->prs_mapping_memory, mem_buf, sizeof (mem_buf));
+ (void) printf(gettext(" %s memory used for "
+ "removed device mappings\n"),
+ mem_buf);
+ }
+}
+
+static void
+print_checkpoint_status(pool_checkpoint_stat_t *pcs)
+{
+ time_t start;
+ char space_buf[7];
+
+ if (pcs == NULL || pcs->pcs_state == CS_NONE)
+ return;
+
+ (void) printf(gettext("checkpoint: "));
+
+ start = pcs->pcs_start_time;
+ zfs_nicenum(pcs->pcs_space, space_buf, sizeof (space_buf));
+
+ if (pcs->pcs_state == CS_CHECKPOINT_EXISTS) {
+ char *date = ctime(&start);
+
+ /*
+ * ctime() adds a newline at the end of the generated
+ * string, thus the weird format specifier and the
+ * strlen() call used to chop it off from the output.
+ */
+ (void) printf(gettext("created %.*s, consumes %s\n"),
+ (int)(strlen(date) - 1), date, space_buf);
+ return;
+ }
+
+ assert(pcs->pcs_state == CS_CHECKPOINT_DISCARDING);
+
+ (void) printf(gettext("discarding, %s remaining.\n"),
+ space_buf);
+}
+
+static void
+print_error_log(zpool_handle_t *zhp)
+{
+ nvlist_t *nverrlist = NULL;
+ nvpair_t *elem;
+ char *pathname;
+ size_t len = MAXPATHLEN * 2;
+
+ if (zpool_get_errlog(zhp, &nverrlist) != 0)
+ return;
+
+ (void) printf("errors: Permanent errors have been "
+ "detected in the following files:\n\n");
+
+ pathname = safe_malloc(len);
+ elem = NULL;
+ while ((elem = nvlist_next_nvpair(nverrlist, elem)) != NULL) {
+ nvlist_t *nv;
+ uint64_t dsobj, obj;
+
+ verify(nvpair_value_nvlist(elem, &nv) == 0);
+ verify(nvlist_lookup_uint64(nv, ZPOOL_ERR_DATASET,
+ &dsobj) == 0);
+ verify(nvlist_lookup_uint64(nv, ZPOOL_ERR_OBJECT,
+ &obj) == 0);
+ zpool_obj_to_path(zhp, dsobj, obj, pathname, len);
+ (void) printf("%7s %s\n", "", pathname);
+ }
+ free(pathname);
+ nvlist_free(nverrlist);
+}
+
+static void
+print_spares(zpool_handle_t *zhp, status_cbdata_t *cb, nvlist_t **spares,
+ uint_t nspares)
+{
+ uint_t i;
+ char *name;
+
+ if (nspares == 0)
+ return;
+
+ (void) printf(gettext("\tspares\n"));
+
+ for (i = 0; i < nspares; i++) {
+ name = zpool_vdev_name(g_zfs, zhp, spares[i],
+ cb->cb_name_flags);
+ print_status_config(zhp, cb, name, spares[i], 2, B_TRUE, NULL);
+ free(name);
+ }
+}
+
+static void
+print_l2cache(zpool_handle_t *zhp, status_cbdata_t *cb, nvlist_t **l2cache,
+ uint_t nl2cache)
+{
+ uint_t i;
+ char *name;
+
+ if (nl2cache == 0)
+ return;
+
+ (void) printf(gettext("\tcache\n"));
+
+ for (i = 0; i < nl2cache; i++) {
+ name = zpool_vdev_name(g_zfs, zhp, l2cache[i],
+ cb->cb_name_flags);
+ print_status_config(zhp, cb, name, l2cache[i], 2,
+ B_FALSE, NULL);
+ free(name);
+ }
+}
+
+static void
+print_dedup_stats(nvlist_t *config)
+{
+ ddt_histogram_t *ddh;
+ ddt_stat_t *dds;
+ ddt_object_t *ddo;
+ uint_t c;
+ char dspace[6], mspace[6];
+
+ /*
+ * If the pool was faulted then we may not have been able to
+ * obtain the config. Otherwise, if we have anything in the dedup
+ * table continue processing the stats.
+ */
+ if (nvlist_lookup_uint64_array(config, ZPOOL_CONFIG_DDT_OBJ_STATS,
+ (uint64_t **)&ddo, &c) != 0)
+ return;
+
+ (void) printf("\n");
+ (void) printf(gettext(" dedup: "));
+ if (ddo->ddo_count == 0) {
+ (void) printf(gettext("no DDT entries\n"));
+ return;
+ }
+
+ zfs_nicebytes(ddo->ddo_dspace, dspace, sizeof (dspace));
+ zfs_nicebytes(ddo->ddo_mspace, mspace, sizeof (mspace));
+ (void) printf("DDT entries %llu, size %s on disk, %s in core\n",
+ (u_longlong_t)ddo->ddo_count,
+ dspace,
+ mspace);
+
+ verify(nvlist_lookup_uint64_array(config, ZPOOL_CONFIG_DDT_STATS,
+ (uint64_t **)&dds, &c) == 0);
+ verify(nvlist_lookup_uint64_array(config, ZPOOL_CONFIG_DDT_HISTOGRAM,
+ (uint64_t **)&ddh, &c) == 0);
+ zpool_dump_ddt(dds, ddh);
+}
+
+/*
+ * Display a summary of pool status. Displays a summary such as:
+ *
+ * pool: tank
+ * status: DEGRADED
+ * reason: One or more devices ...
+ * see: https://zfsonlinux.org/msg/ZFS-xxxx-01
+ * config:
+ * mirror DEGRADED
+ * c1t0d0 OK
+ * c2t0d0 UNAVAIL
+ *
+ * When given the '-v' option, we print out the complete config. If the '-e'
+ * option is specified, then we print out error rate information as well.
+ */
+static int
+status_callback(zpool_handle_t *zhp, void *data)
+{
+ status_cbdata_t *cbp = data;
+ nvlist_t *config, *nvroot;
+ char *msgid;
+ zpool_status_t reason;
+ zpool_errata_t errata;
+ const char *health;
+ uint_t c;
+ vdev_stat_t *vs;
+
+ config = zpool_get_config(zhp, NULL);
+ reason = zpool_get_status(zhp, &msgid, &errata);
+
+ cbp->cb_count++;
+
+ /*
+ * If we were given 'zpool status -x', only report those pools with
+ * problems.
+ */
+ if (cbp->cb_explain &&
+ (reason == ZPOOL_STATUS_OK ||
+ reason == ZPOOL_STATUS_VERSION_OLDER ||
+ reason == ZPOOL_STATUS_FEAT_DISABLED)) {
+ if (!cbp->cb_allpools) {
+ (void) printf(gettext("pool '%s' is healthy\n"),
+ zpool_get_name(zhp));
+ if (cbp->cb_first)
+ cbp->cb_first = B_FALSE;
+ }
+ return (0);
+ }
+
+ if (cbp->cb_first)
+ cbp->cb_first = B_FALSE;
+ else
+ (void) printf("\n");
+
+ nvroot = fnvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE);
+ verify(nvlist_lookup_uint64_array(nvroot, ZPOOL_CONFIG_VDEV_STATS,
+ (uint64_t **)&vs, &c) == 0);
+
+ health = zpool_get_state_str(zhp);
+
+ printf(" ");
+ printf_color(ANSI_BOLD, gettext("pool:"));
+ printf(" %s\n", zpool_get_name(zhp));
+ printf(" ");
+ printf_color(ANSI_BOLD, gettext("state: "));
+
+ printf_color(health_str_to_color(health), "%s", health);
+
+ printf("\n");
+
+ switch (reason) {
+ case ZPOOL_STATUS_MISSING_DEV_R:
+ printf_color(ANSI_BOLD, gettext("status: "));
+ printf_color(ANSI_YELLOW, gettext("One or more devices could "
+ "not be opened. Sufficient replicas exist for\n\tthe pool "
+ "to continue functioning in a degraded state.\n"));
+ printf_color(ANSI_BOLD, gettext("action: "));
+ printf_color(ANSI_YELLOW, gettext("Attach the missing device "
+ "and online it using 'zpool online'.\n"));
+ break;
+
+ case ZPOOL_STATUS_MISSING_DEV_NR:
+ printf_color(ANSI_BOLD, gettext("status: "));
+ printf_color(ANSI_YELLOW, gettext("One or more devices could "
+ "not be opened. There are insufficient\n\treplicas for the"
+ " pool to continue functioning.\n"));
+ printf_color(ANSI_BOLD, gettext("action: "));
+ printf_color(ANSI_YELLOW, gettext("Attach the missing device "
+ "and online it using 'zpool online'.\n"));
+ break;
+
+ case ZPOOL_STATUS_CORRUPT_LABEL_R:
+ printf_color(ANSI_BOLD, gettext("status: "));
+ printf_color(ANSI_YELLOW, gettext("One or more devices could "
+ "not be used because the label is missing or\n\tinvalid. "
+ "Sufficient replicas exist for the pool to continue\n\t"
+ "functioning in a degraded state.\n"));
+ printf_color(ANSI_BOLD, gettext("action: "));
+ printf_color(ANSI_YELLOW, gettext("Replace the device using "
+ "'zpool replace'.\n"));
+ break;
+
+ case ZPOOL_STATUS_CORRUPT_LABEL_NR:
+ printf_color(ANSI_BOLD, gettext("status: "));
+ printf_color(ANSI_YELLOW, gettext("One or more devices could "
+ "not be used because the label is missing \n\tor invalid. "
+ "There are insufficient replicas for the pool to "
+ "continue\n\tfunctioning.\n"));
+ zpool_explain_recover(zpool_get_handle(zhp),
+ zpool_get_name(zhp), reason, config);
+ break;
+
+ case ZPOOL_STATUS_FAILING_DEV:
+ printf_color(ANSI_BOLD, gettext("status: "));
+ printf_color(ANSI_YELLOW, gettext("One or more devices has "
+ "experienced an unrecoverable error. An\n\tattempt was "
+ "made to correct the error. Applications are "
+ "unaffected.\n"));
+ printf_color(ANSI_BOLD, gettext("action: "));
+ printf_color(ANSI_YELLOW, gettext("Determine if the "
+ "device needs to be replaced, and clear the errors\n\tusing"
+ " 'zpool clear' or replace the device with 'zpool "
+ "replace'.\n"));
+ break;
+
+ case ZPOOL_STATUS_OFFLINE_DEV:
+ printf_color(ANSI_BOLD, gettext("status: "));
+ printf_color(ANSI_YELLOW, gettext("One or more devices has "
+ "been taken offline by the administrator.\n\tSufficient "
+ "replicas exist for the pool to continue functioning in "
+ "a\n\tdegraded state.\n"));
+ printf_color(ANSI_BOLD, gettext("action: "));
+ printf_color(ANSI_YELLOW, gettext("Online the device "
+ "using 'zpool online' or replace the device with\n\t'zpool "
+ "replace'.\n"));
+ break;
+
+ case ZPOOL_STATUS_REMOVED_DEV:
+ printf_color(ANSI_BOLD, gettext("status: "));
+ printf_color(ANSI_YELLOW, gettext("One or more devices has "
+ "been removed by the administrator.\n\tSufficient "
+ "replicas exist for the pool to continue functioning in "
+ "a\n\tdegraded state.\n"));
+ printf_color(ANSI_BOLD, gettext("action: "));
+ printf_color(ANSI_YELLOW, gettext("Online the device "
+ "using zpool online' or replace the device with\n\t'zpool "
+ "replace'.\n"));
+ break;
+
+ case ZPOOL_STATUS_RESILVERING:
+ case ZPOOL_STATUS_REBUILDING:
+ printf_color(ANSI_BOLD, gettext("status: "));
+ printf_color(ANSI_YELLOW, gettext("One or more devices is "
+ "currently being resilvered. The pool will\n\tcontinue "
+ "to function, possibly in a degraded state.\n"));
+ printf_color(ANSI_BOLD, gettext("action: "));
+ printf_color(ANSI_YELLOW, gettext("Wait for the resilver to "
+ "complete.\n"));
+ break;
+
+ case ZPOOL_STATUS_REBUILD_SCRUB:
+ printf_color(ANSI_BOLD, gettext("status: "));
+ printf_color(ANSI_YELLOW, gettext("One or more devices have "
+ "been sequentially resilvered, scrubbing\n\tthe pool "
+ "is recommended.\n"));
+ printf_color(ANSI_BOLD, gettext("action: "));
+ printf_color(ANSI_YELLOW, gettext("Use 'zpool scrub' to "
+ "verify all data checksums.\n"));
+ break;
+
+ case ZPOOL_STATUS_CORRUPT_DATA:
+ printf_color(ANSI_BOLD, gettext("status: "));
+ printf_color(ANSI_YELLOW, gettext("One or more devices has "
+ "experienced an error resulting in data\n\tcorruption. "
+ "Applications may be affected.\n"));
+ printf_color(ANSI_BOLD, gettext("action: "));
+ printf_color(ANSI_YELLOW, gettext("Restore the file in question"
+ " if possible. Otherwise restore the\n\tentire pool from "
+ "backup.\n"));
+ break;
+
+ case ZPOOL_STATUS_CORRUPT_POOL:
+ printf_color(ANSI_BOLD, gettext("status: "));
+ printf_color(ANSI_YELLOW, gettext("The pool metadata is "
+ "corrupted and the pool cannot be opened.\n"));
+ zpool_explain_recover(zpool_get_handle(zhp),
+ zpool_get_name(zhp), reason, config);
+ break;
+
+ case ZPOOL_STATUS_VERSION_OLDER:
+ printf_color(ANSI_BOLD, gettext("status: "));
+ printf_color(ANSI_YELLOW, gettext("The pool is formatted using "
+ "a legacy on-disk format. The pool can\n\tstill be used, "
+ "but some features are unavailable.\n"));
+ printf_color(ANSI_BOLD, gettext("action: "));
+ printf_color(ANSI_YELLOW, gettext("Upgrade the pool using "
+ "'zpool upgrade'. Once this is done, the\n\tpool will no "
+ "longer be accessible on software that does not support\n\t"
+ "feature flags.\n"));
+ break;
+
+ case ZPOOL_STATUS_VERSION_NEWER:
+ printf_color(ANSI_BOLD, gettext("status: "));
+ printf_color(ANSI_YELLOW, gettext("The pool has been upgraded "
+ "to a newer, incompatible on-disk version.\n\tThe pool "
+ "cannot be accessed on this system.\n"));
+ printf_color(ANSI_BOLD, gettext("action: "));
+ printf_color(ANSI_YELLOW, gettext("Access the pool from a "
+ "system running more recent software, or\n\trestore the "
+ "pool from backup.\n"));
+ break;
+
+ case ZPOOL_STATUS_FEAT_DISABLED:
+ printf_color(ANSI_BOLD, gettext("status: "));
+ printf_color(ANSI_YELLOW, gettext("Some supported features are "
+ "not enabled on the pool. The pool can\n\tstill be used, "
+ "but some features are unavailable.\n"));
+ printf_color(ANSI_BOLD, gettext("action: "));
+ printf_color(ANSI_YELLOW, gettext("Enable all features using "
+ "'zpool upgrade'. Once this is done,\n\tthe pool may no "
+ "longer be accessible by software that does not support\n\t"
+ "the features. See zpool-features(5) for details.\n"));
+ break;
+
+ case ZPOOL_STATUS_UNSUP_FEAT_READ:
+ printf_color(ANSI_BOLD, gettext("status: "));
+ printf_color(ANSI_YELLOW, gettext("The pool cannot be accessed "
+ "on this system because it uses the\n\tfollowing feature(s)"
+ " not supported on this system:\n"));
+ zpool_print_unsup_feat(config);
+ (void) printf("\n");
+ printf_color(ANSI_BOLD, gettext("action: "));
+ printf_color(ANSI_YELLOW, gettext("Access the pool from a "
+ "system that supports the required feature(s),\n\tor "
+ "restore the pool from backup.\n"));
+ break;
+
+ case ZPOOL_STATUS_UNSUP_FEAT_WRITE:
+ printf_color(ANSI_BOLD, gettext("status: "));
+ printf_color(ANSI_YELLOW, gettext("The pool can only be "
+ "accessed in read-only mode on this system. It\n\tcannot be"
+ " accessed in read-write mode because it uses the "
+ "following\n\tfeature(s) not supported on this system:\n"));
+ zpool_print_unsup_feat(config);
+ (void) printf("\n");
+ printf_color(ANSI_BOLD, gettext("action: "));
+ printf_color(ANSI_YELLOW, gettext("The pool cannot be accessed "
+ "in read-write mode. Import the pool with\n"
+ "\t\"-o readonly=on\", access the pool from a system that "
+ "supports the\n\trequired feature(s), or restore the "
+ "pool from backup.\n"));
+ break;
+
+ case ZPOOL_STATUS_FAULTED_DEV_R:
+ printf_color(ANSI_BOLD, gettext("status: "));
+ printf_color(ANSI_YELLOW, gettext("One or more devices are "
+ "faulted in response to persistent errors.\n\tSufficient "
+ "replicas exist for the pool to continue functioning "
+ "in a\n\tdegraded state.\n"));
+ printf_color(ANSI_BOLD, gettext("action: "));
+ printf_color(ANSI_YELLOW, gettext("Replace the faulted device, "
+ "or use 'zpool clear' to mark the device\n\trepaired.\n"));
+ break;
+
+ case ZPOOL_STATUS_FAULTED_DEV_NR:
+ printf_color(ANSI_BOLD, gettext("status: "));
+ printf_color(ANSI_YELLOW, gettext("One or more devices are "
+ "faulted in response to persistent errors. There are "
+ "insufficient replicas for the pool to\n\tcontinue "
+ "functioning.\n"));
+ printf_color(ANSI_BOLD, gettext("action: "));
+ printf_color(ANSI_YELLOW, gettext("Destroy and re-create the "
+ "pool from a backup source. Manually marking the device\n"
+ "\trepaired using 'zpool clear' may allow some data "
+ "to be recovered.\n"));
+ break;
+
+ case ZPOOL_STATUS_IO_FAILURE_MMP:
+ printf_color(ANSI_BOLD, gettext("status: "));
+ printf_color(ANSI_YELLOW, gettext("The pool is suspended "
+ "because multihost writes failed or were delayed;\n\t"
+ "another system could import the pool undetected.\n"));
+ printf_color(ANSI_BOLD, gettext("action: "));
+ printf_color(ANSI_YELLOW, gettext("Make sure the pool's devices"
+ " are connected, then reboot your system and\n\timport the "
+ "pool.\n"));
+ break;
+
+ case ZPOOL_STATUS_IO_FAILURE_WAIT:
+ case ZPOOL_STATUS_IO_FAILURE_CONTINUE:
+ printf_color(ANSI_BOLD, gettext("status: "));
+ printf_color(ANSI_YELLOW, gettext("One or more devices are "
+ "faulted in response to IO failures.\n"));
+ printf_color(ANSI_BOLD, gettext("action: "));
+ printf_color(ANSI_YELLOW, gettext("Make sure the affected "
+ "devices are connected, then run 'zpool clear'.\n"));
+ break;
+
+ case ZPOOL_STATUS_BAD_LOG:
+ printf_color(ANSI_BOLD, gettext("status: "));
+ printf_color(ANSI_YELLOW, gettext("An intent log record "
+ "could not be read.\n"
+ "\tWaiting for administrator intervention to fix the "
+ "faulted pool.\n"));
+ printf_color(ANSI_BOLD, gettext("action: "));
+ printf_color(ANSI_YELLOW, gettext("Either restore the affected "
+ "device(s) and run 'zpool online',\n"
+ "\tor ignore the intent log records by running "
+ "'zpool clear'.\n"));
+ break;
+
+ case ZPOOL_STATUS_NON_NATIVE_ASHIFT:
+ (void) printf(gettext("status: One or more devices are "
+ "configured to use a non-native block size.\n"
+ "\tExpect reduced performance.\n"));
+ (void) printf(gettext("action: Replace affected devices with "
+ "devices that support the\n\tconfigured block size, or "
+ "migrate data to a properly configured\n\tpool.\n"));
+ break;
+
+ case ZPOOL_STATUS_HOSTID_MISMATCH:
+ printf_color(ANSI_BOLD, gettext("status: "));
+ printf_color(ANSI_YELLOW, gettext("Mismatch between pool hostid"
+ " and system hostid on imported pool.\n\tThis pool was "
+ "previously imported into a system with a different "
+ "hostid,\n\tand then was verbatim imported into this "
+ "system.\n"));
+ printf_color(ANSI_BOLD, gettext("action: "));
+ printf_color(ANSI_YELLOW, gettext("Export this pool on all "
+ "systems on which it is imported.\n"
+ "\tThen import it to correct the mismatch.\n"));
+ break;
+
+ case ZPOOL_STATUS_ERRATA:
+ printf_color(ANSI_BOLD, gettext("status: "));
+ printf_color(ANSI_YELLOW, gettext("Errata #%d detected.\n"),
+ errata);
+
+ switch (errata) {
+ case ZPOOL_ERRATA_NONE:
+ break;
+
+ case ZPOOL_ERRATA_ZOL_2094_SCRUB:
+ printf_color(ANSI_BOLD, gettext("action: "));
+ printf_color(ANSI_YELLOW, gettext("To correct the issue"
+ " run 'zpool scrub'.\n"));
+ break;
+
+ case ZPOOL_ERRATA_ZOL_6845_ENCRYPTION:
+ (void) printf(gettext("\tExisting encrypted datasets "
+ "contain an on-disk incompatibility\n\twhich "
+ "needs to be corrected.\n"));
+ printf_color(ANSI_BOLD, gettext("action: "));
+ printf_color(ANSI_YELLOW, gettext("To correct the issue"
+ " backup existing encrypted datasets to new\n\t"
+ "encrypted datasets and destroy the old ones. "
+ "'zfs mount -o ro' can\n\tbe used to temporarily "
+ "mount existing encrypted datasets readonly.\n"));
+ break;
+
+ case ZPOOL_ERRATA_ZOL_8308_ENCRYPTION:
+ (void) printf(gettext("\tExisting encrypted snapshots "
+ "and bookmarks contain an on-disk\n\tincompat"
+ "ibility. This may cause on-disk corruption if "
+ "they are used\n\twith 'zfs recv'.\n"));
+ printf_color(ANSI_BOLD, gettext("action: "));
+ printf_color(ANSI_YELLOW, gettext("To correct the"
+ "issue, enable the bookmark_v2 feature. No "
+ "additional\n\taction is needed if there are no "
+ "encrypted snapshots or bookmarks.\n\tIf preserving"
+ "the encrypted snapshots and bookmarks is required,"
+ " use\n\ta non-raw send to backup and restore them."
+ " Alternately, they may be\n\tremoved to resolve "
+ "the incompatibility.\n"));
+ break;
+
+ default:
+ /*
+ * All errata which allow the pool to be imported
+ * must contain an action message.
+ */
+ assert(0);
+ }
+ break;
+
+ default:
+ /*
+ * The remaining errors can't actually be generated, yet.
+ */
+ assert(reason == ZPOOL_STATUS_OK);
+ }
+
+ if (msgid != NULL) {
+ printf(" ");
+ printf_color(ANSI_BOLD, gettext("see:"));
+ printf(gettext(" https://zfsonlinux.org/msg/%s\n"), msgid);
+ }
+
+ if (config != NULL) {
+ uint64_t nerr;
+ nvlist_t **spares, **l2cache;
+ uint_t nspares, nl2cache;
+ pool_checkpoint_stat_t *pcs = NULL;
+ pool_removal_stat_t *prs = NULL;
+
+ print_scan_status(zhp, nvroot);
+
+ (void) nvlist_lookup_uint64_array(nvroot,
+ ZPOOL_CONFIG_REMOVAL_STATS, (uint64_t **)&prs, &c);
+ print_removal_status(zhp, prs);
+
+ (void) nvlist_lookup_uint64_array(nvroot,
+ ZPOOL_CONFIG_CHECKPOINT_STATS, (uint64_t **)&pcs, &c);
+ print_checkpoint_status(pcs);
+
+ cbp->cb_namewidth = max_width(zhp, nvroot, 0, 0,
+ cbp->cb_name_flags | VDEV_NAME_TYPE_ID);
+ if (cbp->cb_namewidth < 10)
+ cbp->cb_namewidth = 10;
+
+ color_start(ANSI_BOLD);
+ (void) printf(gettext("config:\n\n"));
+ (void) printf(gettext("\t%-*s %-8s %5s %5s %5s"),
+ cbp->cb_namewidth, "NAME", "STATE", "READ", "WRITE",
+ "CKSUM");
+ color_end();
+
+ if (cbp->cb_print_slow_ios) {
+ printf_color(ANSI_BOLD, " %5s", gettext("SLOW"));
+ }
+
+ if (cbp->vcdl != NULL)
+ print_cmd_columns(cbp->vcdl, 0);
+
+ printf("\n");
+
+ print_status_config(zhp, cbp, zpool_get_name(zhp), nvroot, 0,
+ B_FALSE, NULL);
+
+ print_class_vdevs(zhp, cbp, nvroot, VDEV_ALLOC_BIAS_DEDUP);
+ print_class_vdevs(zhp, cbp, nvroot, VDEV_ALLOC_BIAS_SPECIAL);
+ print_class_vdevs(zhp, cbp, nvroot, VDEV_ALLOC_CLASS_LOGS);
+
+ if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_L2CACHE,
+ &l2cache, &nl2cache) == 0)
+ print_l2cache(zhp, cbp, l2cache, nl2cache);
+
+ if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_SPARES,
+ &spares, &nspares) == 0)
+ print_spares(zhp, cbp, spares, nspares);
+
+ if (nvlist_lookup_uint64(config, ZPOOL_CONFIG_ERRCOUNT,
+ &nerr) == 0) {
+ nvlist_t *nverrlist = NULL;
+
+ /*
+ * If the approximate error count is small, get a
+ * precise count by fetching the entire log and
+ * uniquifying the results.
+ */
+ if (nerr > 0 && nerr < 100 && !cbp->cb_verbose &&
+ zpool_get_errlog(zhp, &nverrlist) == 0) {
+ nvpair_t *elem;
+
+ elem = NULL;
+ nerr = 0;
+ while ((elem = nvlist_next_nvpair(nverrlist,
+ elem)) != NULL) {
+ nerr++;
+ }
+ }
+ nvlist_free(nverrlist);
+
+ (void) printf("\n");
+
+ if (nerr == 0)
+ (void) printf(gettext("errors: No known data "
+ "errors\n"));
+ else if (!cbp->cb_verbose)
+ (void) printf(gettext("errors: %llu data "
+ "errors, use '-v' for a list\n"),
+ (u_longlong_t)nerr);
+ else
+ print_error_log(zhp);
+ }
+
+ if (cbp->cb_dedup_stats)
+ print_dedup_stats(config);
+ } else {
+ (void) printf(gettext("config: The configuration cannot be "
+ "determined.\n"));
+ }
+
+ return (0);
+}
+
+/*
+ * zpool status [-c [script1,script2,...]] [-igLpPstvx] [-T d|u] [pool] ...
+ * [interval [count]]
+ *
+ * -c CMD For each vdev, run command CMD
+ * -i Display vdev initialization status.
+ * -g Display guid for individual vdev name.
+ * -L Follow links when resolving vdev path name.
+ * -p Display values in parsable (exact) format.
+ * -P Display full path for vdev name.
+ * -s Display slow IOs column.
+ * -v Display complete error logs
+ * -x Display only pools with potential problems
+ * -D Display dedup status (undocumented)
+ * -t Display vdev TRIM status.
+ * -T Display a timestamp in date(1) or Unix format
+ *
+ * Describes the health status of all pools or some subset.
+ */
+int
+zpool_do_status(int argc, char **argv)
+{
+ int c;
+ int ret;
+ float interval = 0;
+ unsigned long count = 0;
+ status_cbdata_t cb = { 0 };
+ char *cmd = NULL;
+
+ /* check options */
+ while ((c = getopt(argc, argv, "c:igLpPsvxDtT:")) != -1) {
+ switch (c) {
+ case 'c':
+ if (cmd != NULL) {
+ fprintf(stderr,
+ gettext("Can't set -c flag twice\n"));
+ exit(1);
+ }
+
+ if (getenv("ZPOOL_SCRIPTS_ENABLED") != NULL &&
+ !libzfs_envvar_is_set("ZPOOL_SCRIPTS_ENABLED")) {
+ fprintf(stderr, gettext(
+ "Can't run -c, disabled by "
+ "ZPOOL_SCRIPTS_ENABLED.\n"));
+ exit(1);
+ }
+
+ if ((getuid() <= 0 || geteuid() <= 0) &&
+ !libzfs_envvar_is_set("ZPOOL_SCRIPTS_AS_ROOT")) {
+ fprintf(stderr, gettext(
+ "Can't run -c with root privileges "
+ "unless ZPOOL_SCRIPTS_AS_ROOT is set.\n"));
+ exit(1);
+ }
+ cmd = optarg;
+ break;
+ case 'i':
+ cb.cb_print_vdev_init = B_TRUE;
+ break;
+ case 'g':
+ cb.cb_name_flags |= VDEV_NAME_GUID;
+ break;
+ case 'L':
+ cb.cb_name_flags |= VDEV_NAME_FOLLOW_LINKS;
+ break;
+ case 'p':
+ cb.cb_literal = B_TRUE;
+ break;
+ case 'P':
+ cb.cb_name_flags |= VDEV_NAME_PATH;
+ break;
+ case 's':
+ cb.cb_print_slow_ios = B_TRUE;
+ break;
+ case 'v':
+ cb.cb_verbose = B_TRUE;
+ break;
+ case 'x':
+ cb.cb_explain = B_TRUE;
+ break;
+ case 'D':
+ cb.cb_dedup_stats = B_TRUE;
+ break;
+ case 't':
+ cb.cb_print_vdev_trim = B_TRUE;
+ break;
+ case 'T':
+ get_timestamp_arg(*optarg);
+ break;
+ case '?':
+ if (optopt == 'c') {
+ print_zpool_script_list("status");
+ exit(0);
+ } else {
+ fprintf(stderr,
+ gettext("invalid option '%c'\n"), optopt);
+ }
+ usage(B_FALSE);
+ }
+ }
+
+ argc -= optind;
+ argv += optind;
+
+ get_interval_count(&argc, argv, &interval, &count);
+
+ if (argc == 0)
+ cb.cb_allpools = B_TRUE;
+
+ cb.cb_first = B_TRUE;
+ cb.cb_print_status = B_TRUE;
+
+ for (;;) {
+ if (timestamp_fmt != NODATE)
+ print_timestamp(timestamp_fmt);
+
+ if (cmd != NULL)
+ cb.vcdl = all_pools_for_each_vdev_run(argc, argv, cmd,
+ NULL, NULL, 0, 0);
+
+ ret = for_each_pool(argc, argv, B_TRUE, NULL,
+ status_callback, &cb);
+
+ if (cb.vcdl != NULL)
+ free_vdev_cmd_data_list(cb.vcdl);
+
+ if (argc == 0 && cb.cb_count == 0)
+ (void) fprintf(stderr, gettext("no pools available\n"));
+ else if (cb.cb_explain && cb.cb_first && cb.cb_allpools)
+ (void) printf(gettext("all pools are healthy\n"));
+
+ if (ret != 0)
+ return (ret);
+
+ if (interval == 0)
+ break;
+
+ if (count != 0 && --count == 0)
+ break;
+
+ (void) fsleep(interval);
+ }
+
+ return (0);
+}
+
+typedef struct upgrade_cbdata {
+ int cb_first;
+ int cb_argc;
+ uint64_t cb_version;
+ char **cb_argv;
+} upgrade_cbdata_t;
+
+static int
+check_unsupp_fs(zfs_handle_t *zhp, void *unsupp_fs)
+{
+ int zfs_version = (int)zfs_prop_get_int(zhp, ZFS_PROP_VERSION);
+ int *count = (int *)unsupp_fs;
+
+ if (zfs_version > ZPL_VERSION) {
+ (void) printf(gettext("%s (v%d) is not supported by this "
+ "implementation of ZFS.\n"),
+ zfs_get_name(zhp), zfs_version);
+ (*count)++;
+ }
+
+ zfs_iter_filesystems(zhp, check_unsupp_fs, unsupp_fs);
+
+ zfs_close(zhp);
+
+ return (0);
+}
+
+static int
+upgrade_version(zpool_handle_t *zhp, uint64_t version)
+{
+ int ret;
+ nvlist_t *config;
+ uint64_t oldversion;
+ int unsupp_fs = 0;
+
+ config = zpool_get_config(zhp, NULL);
+ verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION,
+ &oldversion) == 0);
+
+ assert(SPA_VERSION_IS_SUPPORTED(oldversion));
+ assert(oldversion < version);
+
+ ret = zfs_iter_root(zpool_get_handle(zhp), check_unsupp_fs, &unsupp_fs);
+ if (ret != 0)
+ return (ret);
+
+ if (unsupp_fs) {
+ (void) fprintf(stderr, gettext("Upgrade not performed due "
+ "to %d unsupported filesystems (max v%d).\n"),
+ unsupp_fs, (int)ZPL_VERSION);
+ return (1);
+ }
+
+ ret = zpool_upgrade(zhp, version);
+ if (ret != 0)
+ return (ret);
+
+ if (version >= SPA_VERSION_FEATURES) {
+ (void) printf(gettext("Successfully upgraded "
+ "'%s' from version %llu to feature flags.\n"),
+ zpool_get_name(zhp), (u_longlong_t)oldversion);
+ } else {
+ (void) printf(gettext("Successfully upgraded "
+ "'%s' from version %llu to version %llu.\n"),
+ zpool_get_name(zhp), (u_longlong_t)oldversion,
+ (u_longlong_t)version);
+ }
+
+ return (0);
+}
+
+static int
+upgrade_enable_all(zpool_handle_t *zhp, int *countp)
+{
+ int i, ret, count;
+ boolean_t firstff = B_TRUE;
+ nvlist_t *enabled = zpool_get_features(zhp);
+
+ count = 0;
+ for (i = 0; i < SPA_FEATURES; i++) {
+ const char *fname = spa_feature_table[i].fi_uname;
+ const char *fguid = spa_feature_table[i].fi_guid;
+ if (!nvlist_exists(enabled, fguid)) {
+ char *propname;
+ verify(-1 != asprintf(&propname, "feature@%s", fname));
+ ret = zpool_set_prop(zhp, propname,
+ ZFS_FEATURE_ENABLED);
+ if (ret != 0) {
+ free(propname);
+ return (ret);
+ }
+ count++;
+
+ if (firstff) {
+ (void) printf(gettext("Enabled the "
+ "following features on '%s':\n"),
+ zpool_get_name(zhp));
+ firstff = B_FALSE;
+ }
+ (void) printf(gettext(" %s\n"), fname);
+ free(propname);
+ }
+ }
+
+ if (countp != NULL)
+ *countp = count;
+ return (0);
+}
+
+static int
+upgrade_cb(zpool_handle_t *zhp, void *arg)
+{
+ upgrade_cbdata_t *cbp = arg;
+ nvlist_t *config;
+ uint64_t version;
+ boolean_t printnl = B_FALSE;
+ int ret;
+
+ config = zpool_get_config(zhp, NULL);
+ verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION,
+ &version) == 0);
+
+ assert(SPA_VERSION_IS_SUPPORTED(version));
+
+ if (version < cbp->cb_version) {
+ cbp->cb_first = B_FALSE;
+ ret = upgrade_version(zhp, cbp->cb_version);
+ if (ret != 0)
+ return (ret);
+ printnl = B_TRUE;
+
+ /*
+ * If they did "zpool upgrade -a", then we could
+ * be doing ioctls to different pools. We need
+ * to log this history once to each pool, and bypass
+ * the normal history logging that happens in main().
+ */
+ (void) zpool_log_history(g_zfs, history_str);
+ log_history = B_FALSE;
+ }
+
+ if (cbp->cb_version >= SPA_VERSION_FEATURES) {
+ int count;
+ ret = upgrade_enable_all(zhp, &count);
+ if (ret != 0)
+ return (ret);
+
+ if (count > 0) {
+ cbp->cb_first = B_FALSE;
+ printnl = B_TRUE;
+ }
+ }
+
+ if (printnl) {
+ (void) printf(gettext("\n"));
+ }
+
+ return (0);
+}
+
+static int
+upgrade_list_older_cb(zpool_handle_t *zhp, void *arg)
+{
+ upgrade_cbdata_t *cbp = arg;
+ nvlist_t *config;
+ uint64_t version;
+
+ config = zpool_get_config(zhp, NULL);
+ verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION,
+ &version) == 0);
+
+ assert(SPA_VERSION_IS_SUPPORTED(version));
+
+ if (version < SPA_VERSION_FEATURES) {
+ if (cbp->cb_first) {
+ (void) printf(gettext("The following pools are "
+ "formatted with legacy version numbers and can\n"
+ "be upgraded to use feature flags. After "
+ "being upgraded, these pools\nwill no "
+ "longer be accessible by software that does not "
+ "support feature\nflags.\n\n"));
+ (void) printf(gettext("VER POOL\n"));
+ (void) printf(gettext("--- ------------\n"));
+ cbp->cb_first = B_FALSE;
+ }
+
+ (void) printf("%2llu %s\n", (u_longlong_t)version,
+ zpool_get_name(zhp));
+ }
+
+ return (0);
+}
+
+static int
+upgrade_list_disabled_cb(zpool_handle_t *zhp, void *arg)
+{
+ upgrade_cbdata_t *cbp = arg;
+ nvlist_t *config;
+ uint64_t version;
+
+ config = zpool_get_config(zhp, NULL);
+ verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION,
+ &version) == 0);
+
+ if (version >= SPA_VERSION_FEATURES) {
+ int i;
+ boolean_t poolfirst = B_TRUE;
+ nvlist_t *enabled = zpool_get_features(zhp);
+
+ for (i = 0; i < SPA_FEATURES; i++) {
+ const char *fguid = spa_feature_table[i].fi_guid;
+ const char *fname = spa_feature_table[i].fi_uname;
+ if (!nvlist_exists(enabled, fguid)) {
+ if (cbp->cb_first) {
+ (void) printf(gettext("\nSome "
+ "supported features are not "
+ "enabled on the following pools. "
+ "Once a\nfeature is enabled the "
+ "pool may become incompatible with "
+ "software\nthat does not support "
+ "the feature. See "
+ "zpool-features(5) for "
+ "details.\n\n"));
+ (void) printf(gettext("POOL "
+ "FEATURE\n"));
+ (void) printf(gettext("------"
+ "---------\n"));
+ cbp->cb_first = B_FALSE;
+ }
+
+ if (poolfirst) {
+ (void) printf(gettext("%s\n"),
+ zpool_get_name(zhp));
+ poolfirst = B_FALSE;
+ }
+
+ (void) printf(gettext(" %s\n"), fname);
+ }
+ /*
+ * If they did "zpool upgrade -a", then we could
+ * be doing ioctls to different pools. We need
+ * to log this history once to each pool, and bypass
+ * the normal history logging that happens in main().
+ */
+ (void) zpool_log_history(g_zfs, history_str);
+ log_history = B_FALSE;
+ }
+ }
+
+ return (0);
+}
+
+/* ARGSUSED */
+static int
+upgrade_one(zpool_handle_t *zhp, void *data)
+{
+ boolean_t printnl = B_FALSE;
+ upgrade_cbdata_t *cbp = data;
+ uint64_t cur_version;
+ int ret;
+
+ if (strcmp("log", zpool_get_name(zhp)) == 0) {
+ (void) fprintf(stderr, gettext("'log' is now a reserved word\n"
+ "Pool 'log' must be renamed using export and import"
+ " to upgrade.\n"));
+ return (1);
+ }
+
+ cur_version = zpool_get_prop_int(zhp, ZPOOL_PROP_VERSION, NULL);
+ if (cur_version > cbp->cb_version) {
+ (void) printf(gettext("Pool '%s' is already formatted "
+ "using more current version '%llu'.\n\n"),
+ zpool_get_name(zhp), (u_longlong_t)cur_version);
+ return (0);
+ }
+
+ if (cbp->cb_version != SPA_VERSION && cur_version == cbp->cb_version) {
+ (void) printf(gettext("Pool '%s' is already formatted "
+ "using version %llu.\n\n"), zpool_get_name(zhp),
+ (u_longlong_t)cbp->cb_version);
+ return (0);
+ }
+
+ if (cur_version != cbp->cb_version) {
+ printnl = B_TRUE;
+ ret = upgrade_version(zhp, cbp->cb_version);
+ if (ret != 0)
+ return (ret);
+ }
+
+ if (cbp->cb_version >= SPA_VERSION_FEATURES) {
+ int count = 0;
+ ret = upgrade_enable_all(zhp, &count);
+ if (ret != 0)
+ return (ret);
+
+ if (count != 0) {
+ printnl = B_TRUE;
+ } else if (cur_version == SPA_VERSION) {
+ (void) printf(gettext("Pool '%s' already has all "
+ "supported features enabled.\n"),
+ zpool_get_name(zhp));
+ }
+ }
+
+ if (printnl) {
+ (void) printf(gettext("\n"));
+ }
+
+ return (0);
+}
+
+/*
+ * zpool upgrade
+ * zpool upgrade -v
+ * zpool upgrade [-V version] <-a | pool ...>
+ *
+ * With no arguments, display downrev'd ZFS pool available for upgrade.
+ * Individual pools can be upgraded by specifying the pool, and '-a' will
+ * upgrade all pools.
+ */
+int
+zpool_do_upgrade(int argc, char **argv)
+{
+ int c;
+ upgrade_cbdata_t cb = { 0 };
+ int ret = 0;
+ boolean_t showversions = B_FALSE;
+ boolean_t upgradeall = B_FALSE;
+ char *end;
+
+
+ /* check options */
+ while ((c = getopt(argc, argv, ":avV:")) != -1) {
+ switch (c) {
+ case 'a':
+ upgradeall = B_TRUE;
+ break;
+ case 'v':
+ showversions = B_TRUE;
+ break;
+ case 'V':
+ cb.cb_version = strtoll(optarg, &end, 10);
+ if (*end != '\0' ||
+ !SPA_VERSION_IS_SUPPORTED(cb.cb_version)) {
+ (void) fprintf(stderr,
+ gettext("invalid version '%s'\n"), optarg);
+ usage(B_FALSE);
+ }
+ break;
+ case ':':
+ (void) fprintf(stderr, gettext("missing argument for "
+ "'%c' option\n"), optopt);
+ usage(B_FALSE);
+ break;
+ case '?':
+ (void) fprintf(stderr, gettext("invalid option '%c'\n"),
+ optopt);
+ usage(B_FALSE);
+ }
+ }
+
+ cb.cb_argc = argc;
+ cb.cb_argv = argv;
+ argc -= optind;
+ argv += optind;
+
+ if (cb.cb_version == 0) {
+ cb.cb_version = SPA_VERSION;
+ } else if (!upgradeall && argc == 0) {
+ (void) fprintf(stderr, gettext("-V option is "
+ "incompatible with other arguments\n"));
+ usage(B_FALSE);
+ }
+
+ if (showversions) {
+ if (upgradeall || argc != 0) {
+ (void) fprintf(stderr, gettext("-v option is "
+ "incompatible with other arguments\n"));
+ usage(B_FALSE);
+ }
+ } else if (upgradeall) {
+ if (argc != 0) {
+ (void) fprintf(stderr, gettext("-a option should not "
+ "be used along with a pool name\n"));
+ usage(B_FALSE);
+ }
+ }
+
+ (void) printf(gettext("This system supports ZFS pool feature "
+ "flags.\n\n"));
+ if (showversions) {
+ int i;
+
+ (void) printf(gettext("The following features are "
+ "supported:\n\n"));
+ (void) printf(gettext("FEAT DESCRIPTION\n"));
+ (void) printf("----------------------------------------------"
+ "---------------\n");
+ for (i = 0; i < SPA_FEATURES; i++) {
+ zfeature_info_t *fi = &spa_feature_table[i];
+ const char *ro =
+ (fi->fi_flags & ZFEATURE_FLAG_READONLY_COMPAT) ?
+ " (read-only compatible)" : "";
+
+ (void) printf("%-37s%s\n", fi->fi_uname, ro);
+ (void) printf(" %s\n", fi->fi_desc);
+ }
+ (void) printf("\n");
+
+ (void) printf(gettext("The following legacy versions are also "
+ "supported:\n\n"));
+ (void) printf(gettext("VER DESCRIPTION\n"));
+ (void) printf("--- -----------------------------------------"
+ "---------------\n");
+ (void) printf(gettext(" 1 Initial ZFS version\n"));
+ (void) printf(gettext(" 2 Ditto blocks "
+ "(replicated metadata)\n"));
+ (void) printf(gettext(" 3 Hot spares and double parity "
+ "RAID-Z\n"));
+ (void) printf(gettext(" 4 zpool history\n"));
+ (void) printf(gettext(" 5 Compression using the gzip "
+ "algorithm\n"));
+ (void) printf(gettext(" 6 bootfs pool property\n"));
+ (void) printf(gettext(" 7 Separate intent log devices\n"));
+ (void) printf(gettext(" 8 Delegated administration\n"));
+ (void) printf(gettext(" 9 refquota and refreservation "
+ "properties\n"));
+ (void) printf(gettext(" 10 Cache devices\n"));
+ (void) printf(gettext(" 11 Improved scrub performance\n"));
+ (void) printf(gettext(" 12 Snapshot properties\n"));
+ (void) printf(gettext(" 13 snapused property\n"));
+ (void) printf(gettext(" 14 passthrough-x aclinherit\n"));
+ (void) printf(gettext(" 15 user/group space accounting\n"));
+ (void) printf(gettext(" 16 stmf property support\n"));
+ (void) printf(gettext(" 17 Triple-parity RAID-Z\n"));
+ (void) printf(gettext(" 18 Snapshot user holds\n"));
+ (void) printf(gettext(" 19 Log device removal\n"));
+ (void) printf(gettext(" 20 Compression using zle "
+ "(zero-length encoding)\n"));
+ (void) printf(gettext(" 21 Deduplication\n"));
+ (void) printf(gettext(" 22 Received properties\n"));
+ (void) printf(gettext(" 23 Slim ZIL\n"));
+ (void) printf(gettext(" 24 System attributes\n"));
+ (void) printf(gettext(" 25 Improved scrub stats\n"));
+ (void) printf(gettext(" 26 Improved snapshot deletion "
+ "performance\n"));
+ (void) printf(gettext(" 27 Improved snapshot creation "
+ "performance\n"));
+ (void) printf(gettext(" 28 Multiple vdev replacements\n"));
+ (void) printf(gettext("\nFor more information on a particular "
+ "version, including supported releases,\n"));
+ (void) printf(gettext("see the ZFS Administration Guide.\n\n"));
+ } else if (argc == 0 && upgradeall) {
+ cb.cb_first = B_TRUE;
+ ret = zpool_iter(g_zfs, upgrade_cb, &cb);
+ if (ret == 0 && cb.cb_first) {
+ if (cb.cb_version == SPA_VERSION) {
+ (void) printf(gettext("All pools are already "
+ "formatted using feature flags.\n\n"));
+ (void) printf(gettext("Every feature flags "
+ "pool already has all supported features "
+ "enabled.\n"));
+ } else {
+ (void) printf(gettext("All pools are already "
+ "formatted with version %llu or higher.\n"),
+ (u_longlong_t)cb.cb_version);
+ }
+ }
+ } else if (argc == 0) {
+ cb.cb_first = B_TRUE;
+ ret = zpool_iter(g_zfs, upgrade_list_older_cb, &cb);
+ assert(ret == 0);
+
+ if (cb.cb_first) {
+ (void) printf(gettext("All pools are formatted "
+ "using feature flags.\n\n"));
+ } else {
+ (void) printf(gettext("\nUse 'zpool upgrade -v' "
+ "for a list of available legacy versions.\n"));
+ }
+
+ cb.cb_first = B_TRUE;
+ ret = zpool_iter(g_zfs, upgrade_list_disabled_cb, &cb);
+ assert(ret == 0);
+
+ if (cb.cb_first) {
+ (void) printf(gettext("Every feature flags pool has "
+ "all supported features enabled.\n"));
+ } else {
+ (void) printf(gettext("\n"));
+ }
+ } else {
+ ret = for_each_pool(argc, argv, B_FALSE, NULL,
+ upgrade_one, &cb);
+ }
+
+ return (ret);
+}
+
+typedef struct hist_cbdata {
+ boolean_t first;
+ boolean_t longfmt;
+ boolean_t internal;
+} hist_cbdata_t;
+
+static void
+print_history_records(nvlist_t *nvhis, hist_cbdata_t *cb)
+{
+ nvlist_t **records;
+ uint_t numrecords;
+ int i;
+
+ verify(nvlist_lookup_nvlist_array(nvhis, ZPOOL_HIST_RECORD,
+ &records, &numrecords) == 0);
+ for (i = 0; i < numrecords; i++) {
+ nvlist_t *rec = records[i];
+ char tbuf[30] = "";
+
+ if (nvlist_exists(rec, ZPOOL_HIST_TIME)) {
+ time_t tsec;
+ struct tm t;
+
+ tsec = fnvlist_lookup_uint64(records[i],
+ ZPOOL_HIST_TIME);
+ (void) localtime_r(&tsec, &t);
+ (void) strftime(tbuf, sizeof (tbuf), "%F.%T", &t);
+ }
+
+ if (nvlist_exists(rec, ZPOOL_HIST_CMD)) {
+ (void) printf("%s %s", tbuf,
+ fnvlist_lookup_string(rec, ZPOOL_HIST_CMD));
+ } else if (nvlist_exists(rec, ZPOOL_HIST_INT_EVENT)) {
+ int ievent =
+ fnvlist_lookup_uint64(rec, ZPOOL_HIST_INT_EVENT);
+ if (!cb->internal)
+ continue;
+ if (ievent >= ZFS_NUM_LEGACY_HISTORY_EVENTS) {
+ (void) printf("%s unrecognized record:\n",
+ tbuf);
+ dump_nvlist(rec, 4);
+ continue;
+ }
+ (void) printf("%s [internal %s txg:%lld] %s", tbuf,
+ zfs_history_event_names[ievent],
+ (longlong_t)fnvlist_lookup_uint64(
+ rec, ZPOOL_HIST_TXG),
+ fnvlist_lookup_string(rec, ZPOOL_HIST_INT_STR));
+ } else if (nvlist_exists(rec, ZPOOL_HIST_INT_NAME)) {
+ if (!cb->internal)
+ continue;
+ (void) printf("%s [txg:%lld] %s", tbuf,
+ (longlong_t)fnvlist_lookup_uint64(
+ rec, ZPOOL_HIST_TXG),
+ fnvlist_lookup_string(rec, ZPOOL_HIST_INT_NAME));
+ if (nvlist_exists(rec, ZPOOL_HIST_DSNAME)) {
+ (void) printf(" %s (%llu)",
+ fnvlist_lookup_string(rec,
+ ZPOOL_HIST_DSNAME),
+ (u_longlong_t)fnvlist_lookup_uint64(rec,
+ ZPOOL_HIST_DSID));
+ }
+ (void) printf(" %s", fnvlist_lookup_string(rec,
+ ZPOOL_HIST_INT_STR));
+ } else if (nvlist_exists(rec, ZPOOL_HIST_IOCTL)) {
+ if (!cb->internal)
+ continue;
+ (void) printf("%s ioctl %s\n", tbuf,
+ fnvlist_lookup_string(rec, ZPOOL_HIST_IOCTL));
+ if (nvlist_exists(rec, ZPOOL_HIST_INPUT_NVL)) {
+ (void) printf(" input:\n");
+ dump_nvlist(fnvlist_lookup_nvlist(rec,
+ ZPOOL_HIST_INPUT_NVL), 8);
+ }
+ if (nvlist_exists(rec, ZPOOL_HIST_OUTPUT_NVL)) {
+ (void) printf(" output:\n");
+ dump_nvlist(fnvlist_lookup_nvlist(rec,
+ ZPOOL_HIST_OUTPUT_NVL), 8);
+ }
+ if (nvlist_exists(rec, ZPOOL_HIST_ERRNO)) {
+ (void) printf(" errno: %lld\n",
+ (longlong_t)fnvlist_lookup_int64(rec,
+ ZPOOL_HIST_ERRNO));
+ }
+ } else {
+ if (!cb->internal)
+ continue;
+ (void) printf("%s unrecognized record:\n", tbuf);
+ dump_nvlist(rec, 4);
+ }
+
+ if (!cb->longfmt) {
+ (void) printf("\n");
+ continue;
+ }
+ (void) printf(" [");
+ if (nvlist_exists(rec, ZPOOL_HIST_WHO)) {
+ uid_t who = fnvlist_lookup_uint64(rec, ZPOOL_HIST_WHO);
+ struct passwd *pwd = getpwuid(who);
+ (void) printf("user %d ", (int)who);
+ if (pwd != NULL)
+ (void) printf("(%s) ", pwd->pw_name);
+ }
+ if (nvlist_exists(rec, ZPOOL_HIST_HOST)) {
+ (void) printf("on %s",
+ fnvlist_lookup_string(rec, ZPOOL_HIST_HOST));
+ }
+ if (nvlist_exists(rec, ZPOOL_HIST_ZONE)) {
+ (void) printf(":%s",
+ fnvlist_lookup_string(rec, ZPOOL_HIST_ZONE));
+ }
+
+ (void) printf("]");
+ (void) printf("\n");
+ }
+}
+
+/*
+ * Print out the command history for a specific pool.
+ */
+static int
+get_history_one(zpool_handle_t *zhp, void *data)
+{
+ nvlist_t *nvhis;
+ int ret;
+ hist_cbdata_t *cb = (hist_cbdata_t *)data;
+ uint64_t off = 0;
+ boolean_t eof = B_FALSE;
+
+ cb->first = B_FALSE;
+
+ (void) printf(gettext("History for '%s':\n"), zpool_get_name(zhp));
+
+ while (!eof) {
+ if ((ret = zpool_get_history(zhp, &nvhis, &off, &eof)) != 0)
+ return (ret);
+
+ print_history_records(nvhis, cb);
+ nvlist_free(nvhis);
+ }
+ (void) printf("\n");
+
+ return (ret);
+}
+
+/*
+ * zpool history <pool>
+ *
+ * Displays the history of commands that modified pools.
+ */
+int
+zpool_do_history(int argc, char **argv)
+{
+ hist_cbdata_t cbdata = { 0 };
+ int ret;
+ int c;
+
+ cbdata.first = B_TRUE;
+ /* check options */
+ while ((c = getopt(argc, argv, "li")) != -1) {
+ switch (c) {
+ case 'l':
+ cbdata.longfmt = B_TRUE;
+ break;
+ case 'i':
+ cbdata.internal = B_TRUE;
+ break;
+ case '?':
+ (void) fprintf(stderr, gettext("invalid option '%c'\n"),
+ optopt);
+ usage(B_FALSE);
+ }
+ }
+ argc -= optind;
+ argv += optind;
+
+ ret = for_each_pool(argc, argv, B_FALSE, NULL, get_history_one,
+ &cbdata);
+
+ if (argc == 0 && cbdata.first == B_TRUE) {
+ (void) fprintf(stderr, gettext("no pools available\n"));
+ return (0);
+ }
+
+ return (ret);
+}
+
+typedef struct ev_opts {
+ int verbose;
+ int scripted;
+ int follow;
+ int clear;
+ char poolname[ZFS_MAX_DATASET_NAME_LEN];
+} ev_opts_t;
+
+static void
+zpool_do_events_short(nvlist_t *nvl, ev_opts_t *opts)
+{
+ char ctime_str[26], str[32], *ptr;
+ int64_t *tv;
+ uint_t n;
+
+ verify(nvlist_lookup_int64_array(nvl, FM_EREPORT_TIME, &tv, &n) == 0);
+ memset(str, ' ', 32);
+ (void) ctime_r((const time_t *)&tv[0], ctime_str);
+ (void) memcpy(str, ctime_str+4, 6); /* 'Jun 30' */
+ (void) memcpy(str+7, ctime_str+20, 4); /* '1993' */
+ (void) memcpy(str+12, ctime_str+11, 8); /* '21:49:08' */
+ (void) sprintf(str+20, ".%09lld", (longlong_t)tv[1]); /* '.123456789' */
+ if (opts->scripted)
+ (void) printf(gettext("%s\t"), str);
+ else
+ (void) printf(gettext("%s "), str);
+
+ verify(nvlist_lookup_string(nvl, FM_CLASS, &ptr) == 0);
+ (void) printf(gettext("%s\n"), ptr);
+}
+
+static void
+zpool_do_events_nvprint(nvlist_t *nvl, int depth)
+{
+ nvpair_t *nvp;
+
+ for (nvp = nvlist_next_nvpair(nvl, NULL);
+ nvp != NULL; nvp = nvlist_next_nvpair(nvl, nvp)) {
+
+ data_type_t type = nvpair_type(nvp);
+ const char *name = nvpair_name(nvp);
+
+ boolean_t b;
+ uint8_t i8;
+ uint16_t i16;
+ uint32_t i32;
+ uint64_t i64;
+ char *str;
+ nvlist_t *cnv;
+
+ printf(gettext("%*s%s = "), depth, "", name);
+
+ switch (type) {
+ case DATA_TYPE_BOOLEAN:
+ printf(gettext("%s"), "1");
+ break;
+
+ case DATA_TYPE_BOOLEAN_VALUE:
+ (void) nvpair_value_boolean_value(nvp, &b);
+ printf(gettext("%s"), b ? "1" : "0");
+ break;
+
+ case DATA_TYPE_BYTE:
+ (void) nvpair_value_byte(nvp, &i8);
+ printf(gettext("0x%x"), i8);
+ break;
+
+ case DATA_TYPE_INT8:
+ (void) nvpair_value_int8(nvp, (void *)&i8);
+ printf(gettext("0x%x"), i8);
+ break;
+
+ case DATA_TYPE_UINT8:
+ (void) nvpair_value_uint8(nvp, &i8);
+ printf(gettext("0x%x"), i8);
+ break;
+
+ case DATA_TYPE_INT16:
+ (void) nvpair_value_int16(nvp, (void *)&i16);
+ printf(gettext("0x%x"), i16);
+ break;
+
+ case DATA_TYPE_UINT16:
+ (void) nvpair_value_uint16(nvp, &i16);
+ printf(gettext("0x%x"), i16);
+ break;
+
+ case DATA_TYPE_INT32:
+ (void) nvpair_value_int32(nvp, (void *)&i32);
+ printf(gettext("0x%x"), i32);
+ break;
+
+ case DATA_TYPE_UINT32:
+ (void) nvpair_value_uint32(nvp, &i32);
+ printf(gettext("0x%x"), i32);
+ break;
+
+ case DATA_TYPE_INT64:
+ (void) nvpair_value_int64(nvp, (void *)&i64);
+ printf(gettext("0x%llx"), (u_longlong_t)i64);
+ break;
+
+ case DATA_TYPE_UINT64:
+ (void) nvpair_value_uint64(nvp, &i64);
+ /*
+ * translate vdev state values to readable
+ * strings to aide zpool events consumers
+ */
+ if (strcmp(name,
+ FM_EREPORT_PAYLOAD_ZFS_VDEV_STATE) == 0 ||
+ strcmp(name,
+ FM_EREPORT_PAYLOAD_ZFS_VDEV_LASTSTATE) == 0) {
+ printf(gettext("\"%s\" (0x%llx)"),
+ zpool_state_to_name(i64, VDEV_AUX_NONE),
+ (u_longlong_t)i64);
+ } else {
+ printf(gettext("0x%llx"), (u_longlong_t)i64);
+ }
+ break;
+
+ case DATA_TYPE_HRTIME:
+ (void) nvpair_value_hrtime(nvp, (void *)&i64);
+ printf(gettext("0x%llx"), (u_longlong_t)i64);
+ break;
+
+ case DATA_TYPE_STRING:
+ (void) nvpair_value_string(nvp, &str);
+ printf(gettext("\"%s\""), str ? str : "<NULL>");
+ break;
+
+ case DATA_TYPE_NVLIST:
+ printf(gettext("(embedded nvlist)\n"));
+ (void) nvpair_value_nvlist(nvp, &cnv);
+ zpool_do_events_nvprint(cnv, depth + 8);
+ printf(gettext("%*s(end %s)"), depth, "", name);
+ break;
+
+ case DATA_TYPE_NVLIST_ARRAY: {
+ nvlist_t **val;
+ uint_t i, nelem;
+
+ (void) nvpair_value_nvlist_array(nvp, &val, &nelem);
+ printf(gettext("(%d embedded nvlists)\n"), nelem);
+ for (i = 0; i < nelem; i++) {
+ printf(gettext("%*s%s[%d] = %s\n"),
+ depth, "", name, i, "(embedded nvlist)");
+ zpool_do_events_nvprint(val[i], depth + 8);
+ printf(gettext("%*s(end %s[%i])\n"),
+ depth, "", name, i);
+ }
+ printf(gettext("%*s(end %s)\n"), depth, "", name);
+ }
+ break;
+
+ case DATA_TYPE_INT8_ARRAY: {
+ int8_t *val;
+ uint_t i, nelem;
+
+ (void) nvpair_value_int8_array(nvp, &val, &nelem);
+ for (i = 0; i < nelem; i++)
+ printf(gettext("0x%x "), val[i]);
+
+ break;
+ }
+
+ case DATA_TYPE_UINT8_ARRAY: {
+ uint8_t *val;
+ uint_t i, nelem;
+
+ (void) nvpair_value_uint8_array(nvp, &val, &nelem);
+ for (i = 0; i < nelem; i++)
+ printf(gettext("0x%x "), val[i]);
+
+ break;
+ }
+
+ case DATA_TYPE_INT16_ARRAY: {
+ int16_t *val;
+ uint_t i, nelem;
+
+ (void) nvpair_value_int16_array(nvp, &val, &nelem);
+ for (i = 0; i < nelem; i++)
+ printf(gettext("0x%x "), val[i]);
+
+ break;
+ }
+
+ case DATA_TYPE_UINT16_ARRAY: {
+ uint16_t *val;
+ uint_t i, nelem;
+
+ (void) nvpair_value_uint16_array(nvp, &val, &nelem);
+ for (i = 0; i < nelem; i++)
+ printf(gettext("0x%x "), val[i]);
+
+ break;
+ }
+
+ case DATA_TYPE_INT32_ARRAY: {
+ int32_t *val;
+ uint_t i, nelem;
+
+ (void) nvpair_value_int32_array(nvp, &val, &nelem);
+ for (i = 0; i < nelem; i++)
+ printf(gettext("0x%x "), val[i]);
+
+ break;
+ }
+
+ case DATA_TYPE_UINT32_ARRAY: {
+ uint32_t *val;
+ uint_t i, nelem;
+
+ (void) nvpair_value_uint32_array(nvp, &val, &nelem);
+ for (i = 0; i < nelem; i++)
+ printf(gettext("0x%x "), val[i]);
+
+ break;
+ }
+
+ case DATA_TYPE_INT64_ARRAY: {
+ int64_t *val;
+ uint_t i, nelem;
+
+ (void) nvpair_value_int64_array(nvp, &val, &nelem);
+ for (i = 0; i < nelem; i++)
+ printf(gettext("0x%llx "),
+ (u_longlong_t)val[i]);
+
+ break;
+ }
+
+ case DATA_TYPE_UINT64_ARRAY: {
+ uint64_t *val;
+ uint_t i, nelem;
+
+ (void) nvpair_value_uint64_array(nvp, &val, &nelem);
+ for (i = 0; i < nelem; i++)
+ printf(gettext("0x%llx "),
+ (u_longlong_t)val[i]);
+
+ break;
+ }
+
+ case DATA_TYPE_STRING_ARRAY: {
+ char **str;
+ uint_t i, nelem;
+
+ (void) nvpair_value_string_array(nvp, &str, &nelem);
+ for (i = 0; i < nelem; i++)
+ printf(gettext("\"%s\" "),
+ str[i] ? str[i] : "<NULL>");
+
+ break;
+ }
+
+ case DATA_TYPE_BOOLEAN_ARRAY:
+ case DATA_TYPE_BYTE_ARRAY:
+ case DATA_TYPE_DOUBLE:
+ case DATA_TYPE_DONTCARE:
+ case DATA_TYPE_UNKNOWN:
+ printf(gettext("<unknown>"));
+ break;
+ }
+
+ printf(gettext("\n"));
+ }
+}
+
+static int
+zpool_do_events_next(ev_opts_t *opts)
+{
+ nvlist_t *nvl;
+ int zevent_fd, ret, dropped;
+ char *pool;
+
+ zevent_fd = open(ZFS_DEV, O_RDWR);
+ VERIFY(zevent_fd >= 0);
+
+ if (!opts->scripted)
+ (void) printf(gettext("%-30s %s\n"), "TIME", "CLASS");
+
+ while (1) {
+ ret = zpool_events_next(g_zfs, &nvl, &dropped,
+ (opts->follow ? ZEVENT_NONE : ZEVENT_NONBLOCK), zevent_fd);
+ if (ret || nvl == NULL)
+ break;
+
+ if (dropped > 0)
+ (void) printf(gettext("dropped %d events\n"), dropped);
+
+ if (strlen(opts->poolname) > 0 &&
+ nvlist_lookup_string(nvl, FM_FMRI_ZFS_POOL, &pool) == 0 &&
+ strcmp(opts->poolname, pool) != 0)
+ continue;
+
+ zpool_do_events_short(nvl, opts);
+
+ if (opts->verbose) {
+ zpool_do_events_nvprint(nvl, 8);
+ printf(gettext("\n"));
+ }
+ (void) fflush(stdout);
+
+ nvlist_free(nvl);
+ }
+
+ VERIFY(0 == close(zevent_fd));
+
+ return (ret);
+}
+
+static int
+zpool_do_events_clear(ev_opts_t *opts)
+{
+ int count, ret;
+
+ ret = zpool_events_clear(g_zfs, &count);
+ if (!ret)
+ (void) printf(gettext("cleared %d events\n"), count);
+
+ return (ret);
+}
+
+/*
+ * zpool events [-vHf [pool] | -c]
+ *
+ * Displays events logs by ZFS.
+ */
+int
+zpool_do_events(int argc, char **argv)
+{
+ ev_opts_t opts = { 0 };
+ int ret;
+ int c;
+
+ /* check options */
+ while ((c = getopt(argc, argv, "vHfc")) != -1) {
+ switch (c) {
+ case 'v':
+ opts.verbose = 1;
+ break;
+ case 'H':
+ opts.scripted = 1;
+ break;
+ case 'f':
+ opts.follow = 1;
+ break;
+ case 'c':
+ opts.clear = 1;
+ break;
+ case '?':
+ (void) fprintf(stderr, gettext("invalid option '%c'\n"),
+ optopt);
+ usage(B_FALSE);
+ }
+ }
+ argc -= optind;
+ argv += optind;
+
+ if (argc > 1) {
+ (void) fprintf(stderr, gettext("too many arguments\n"));
+ usage(B_FALSE);
+ } else if (argc == 1) {
+ (void) strlcpy(opts.poolname, argv[0], sizeof (opts.poolname));
+ if (!zfs_name_valid(opts.poolname, ZFS_TYPE_POOL)) {
+ (void) fprintf(stderr,
+ gettext("invalid pool name '%s'\n"), opts.poolname);
+ usage(B_FALSE);
+ }
+ }
+
+ if ((argc == 1 || opts.verbose || opts.scripted || opts.follow) &&
+ opts.clear) {
+ (void) fprintf(stderr,
+ gettext("invalid options combined with -c\n"));
+ usage(B_FALSE);
+ }
+
+ if (opts.clear)
+ ret = zpool_do_events_clear(&opts);
+ else
+ ret = zpool_do_events_next(&opts);
+
+ return (ret);
+}
+
+static int
+get_callback(zpool_handle_t *zhp, void *data)
+{
+ zprop_get_cbdata_t *cbp = (zprop_get_cbdata_t *)data;
+ char value[MAXNAMELEN];
+ zprop_source_t srctype;
+ zprop_list_t *pl;
+
+ for (pl = cbp->cb_proplist; pl != NULL; pl = pl->pl_next) {
+
+ /*
+ * Skip the special fake placeholder. This will also skip
+ * over the name property when 'all' is specified.
+ */
+ if (pl->pl_prop == ZPOOL_PROP_NAME &&
+ pl == cbp->cb_proplist)
+ continue;
+
+ if (pl->pl_prop == ZPROP_INVAL &&
+ (zpool_prop_feature(pl->pl_user_prop) ||
+ zpool_prop_unsupported(pl->pl_user_prop))) {
+ srctype = ZPROP_SRC_LOCAL;
+
+ if (zpool_prop_get_feature(zhp, pl->pl_user_prop,
+ value, sizeof (value)) == 0) {
+ zprop_print_one_property(zpool_get_name(zhp),
+ cbp, pl->pl_user_prop, value, srctype,
+ NULL, NULL);
+ }
+ } else {
+ if (zpool_get_prop(zhp, pl->pl_prop, value,
+ sizeof (value), &srctype, cbp->cb_literal) != 0)
+ continue;
+
+ zprop_print_one_property(zpool_get_name(zhp), cbp,
+ zpool_prop_to_name(pl->pl_prop), value, srctype,
+ NULL, NULL);
+ }
+ }
+ return (0);
+}
+
+/*
+ * zpool get [-Hp] [-o "all" | field[,...]] <"all" | property[,...]> <pool> ...
+ *
+ * -H Scripted mode. Don't display headers, and separate properties
+ * by a single tab.
+ * -o List of columns to display. Defaults to
+ * "name,property,value,source".
+ * -p Display values in parsable (exact) format.
+ *
+ * Get properties of pools in the system. Output space statistics
+ * for each one as well as other attributes.
+ */
+int
+zpool_do_get(int argc, char **argv)
+{
+ zprop_get_cbdata_t cb = { 0 };
+ zprop_list_t fake_name = { 0 };
+ int ret;
+ int c, i;
+ char *value;
+
+ cb.cb_first = B_TRUE;
+
+ /*
+ * Set up default columns and sources.
+ */
+ cb.cb_sources = ZPROP_SRC_ALL;
+ cb.cb_columns[0] = GET_COL_NAME;
+ cb.cb_columns[1] = GET_COL_PROPERTY;
+ cb.cb_columns[2] = GET_COL_VALUE;
+ cb.cb_columns[3] = GET_COL_SOURCE;
+ cb.cb_type = ZFS_TYPE_POOL;
+
+ /* check options */
+ while ((c = getopt(argc, argv, ":Hpo:")) != -1) {
+ switch (c) {
+ case 'p':
+ cb.cb_literal = B_TRUE;
+ break;
+ case 'H':
+ cb.cb_scripted = B_TRUE;
+ break;
+ case 'o':
+ bzero(&cb.cb_columns, sizeof (cb.cb_columns));
+ i = 0;
+ while (*optarg != '\0') {
+ static char *col_subopts[] =
+ { "name", "property", "value", "source",
+ "all", NULL };
+
+ if (i == ZFS_GET_NCOLS) {
+ (void) fprintf(stderr, gettext("too "
+ "many fields given to -o "
+ "option\n"));
+ usage(B_FALSE);
+ }
+
+ switch (getsubopt(&optarg, col_subopts,
+ &value)) {
+ case 0:
+ cb.cb_columns[i++] = GET_COL_NAME;
+ break;
+ case 1:
+ cb.cb_columns[i++] = GET_COL_PROPERTY;
+ break;
+ case 2:
+ cb.cb_columns[i++] = GET_COL_VALUE;
+ break;
+ case 3:
+ cb.cb_columns[i++] = GET_COL_SOURCE;
+ break;
+ case 4:
+ if (i > 0) {
+ (void) fprintf(stderr,
+ gettext("\"all\" conflicts "
+ "with specific fields "
+ "given to -o option\n"));
+ usage(B_FALSE);
+ }
+ cb.cb_columns[0] = GET_COL_NAME;
+ cb.cb_columns[1] = GET_COL_PROPERTY;
+ cb.cb_columns[2] = GET_COL_VALUE;
+ cb.cb_columns[3] = GET_COL_SOURCE;
+ i = ZFS_GET_NCOLS;
+ break;
+ default:
+ (void) fprintf(stderr,
+ gettext("invalid column name "
+ "'%s'\n"), value);
+ usage(B_FALSE);
+ }
+ }
+ break;
+ case '?':
+ (void) fprintf(stderr, gettext("invalid option '%c'\n"),
+ optopt);
+ usage(B_FALSE);
+ }
+ }
+
+ argc -= optind;
+ argv += optind;
+
+ if (argc < 1) {
+ (void) fprintf(stderr, gettext("missing property "
+ "argument\n"));
+ usage(B_FALSE);
+ }
+
+ if (zprop_get_list(g_zfs, argv[0], &cb.cb_proplist,
+ ZFS_TYPE_POOL) != 0)
+ usage(B_FALSE);
+
+ argc--;
+ argv++;
+
+ if (cb.cb_proplist != NULL) {
+ fake_name.pl_prop = ZPOOL_PROP_NAME;
+ fake_name.pl_width = strlen(gettext("NAME"));
+ fake_name.pl_next = cb.cb_proplist;
+ cb.cb_proplist = &fake_name;
+ }
+
+ ret = for_each_pool(argc, argv, B_TRUE, &cb.cb_proplist,
+ get_callback, &cb);
+
+ if (cb.cb_proplist == &fake_name)
+ zprop_free_list(fake_name.pl_next);
+ else
+ zprop_free_list(cb.cb_proplist);
+
+ return (ret);
+}
+
+typedef struct set_cbdata {
+ char *cb_propname;
+ char *cb_value;
+ boolean_t cb_any_successful;
+} set_cbdata_t;
+
+static int
+set_callback(zpool_handle_t *zhp, void *data)
+{
+ int error;
+ set_cbdata_t *cb = (set_cbdata_t *)data;
+
+ error = zpool_set_prop(zhp, cb->cb_propname, cb->cb_value);
+
+ if (!error)
+ cb->cb_any_successful = B_TRUE;
+
+ return (error);
+}
+
+int
+zpool_do_set(int argc, char **argv)
+{
+ set_cbdata_t cb = { 0 };
+ int error;
+
+ if (argc > 1 && argv[1][0] == '-') {
+ (void) fprintf(stderr, gettext("invalid option '%c'\n"),
+ argv[1][1]);
+ usage(B_FALSE);
+ }
+
+ if (argc < 2) {
+ (void) fprintf(stderr, gettext("missing property=value "
+ "argument\n"));
+ usage(B_FALSE);
+ }
+
+ if (argc < 3) {
+ (void) fprintf(stderr, gettext("missing pool name\n"));
+ usage(B_FALSE);
+ }
+
+ if (argc > 3) {
+ (void) fprintf(stderr, gettext("too many pool names\n"));
+ usage(B_FALSE);
+ }
+
+ cb.cb_propname = argv[1];
+ cb.cb_value = strchr(cb.cb_propname, '=');
+ if (cb.cb_value == NULL) {
+ (void) fprintf(stderr, gettext("missing value in "
+ "property=value argument\n"));
+ usage(B_FALSE);
+ }
+
+ *(cb.cb_value) = '\0';
+ cb.cb_value++;
+
+ error = for_each_pool(argc - 2, argv + 2, B_TRUE, NULL,
+ set_callback, &cb);
+
+ return (error);
+}
+
+/* Add up the total number of bytes left to initialize/trim across all vdevs */
+static uint64_t
+vdev_activity_remaining(nvlist_t *nv, zpool_wait_activity_t activity)
+{
+ uint64_t bytes_remaining;
+ nvlist_t **child;
+ uint_t c, children;
+ vdev_stat_t *vs;
+
+ assert(activity == ZPOOL_WAIT_INITIALIZE ||
+ activity == ZPOOL_WAIT_TRIM);
+
+ verify(nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_VDEV_STATS,
+ (uint64_t **)&vs, &c) == 0);
+
+ if (activity == ZPOOL_WAIT_INITIALIZE &&
+ vs->vs_initialize_state == VDEV_INITIALIZE_ACTIVE)
+ bytes_remaining = vs->vs_initialize_bytes_est -
+ vs->vs_initialize_bytes_done;
+ else if (activity == ZPOOL_WAIT_TRIM &&
+ vs->vs_trim_state == VDEV_TRIM_ACTIVE)
+ bytes_remaining = vs->vs_trim_bytes_est -
+ vs->vs_trim_bytes_done;
+ else
+ bytes_remaining = 0;
+
+ if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN,
+ &child, &children) != 0)
+ children = 0;
+
+ for (c = 0; c < children; c++)
+ bytes_remaining += vdev_activity_remaining(child[c], activity);
+
+ return (bytes_remaining);
+}
+
+/* Add up the total number of bytes left to rebuild across top-level vdevs */
+static uint64_t
+vdev_activity_top_remaining(nvlist_t *nv)
+{
+ uint64_t bytes_remaining = 0;
+ nvlist_t **child;
+ uint_t children;
+ int error;
+
+ if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN,
+ &child, &children) != 0)
+ children = 0;
+
+ for (uint_t c = 0; c < children; c++) {
+ vdev_rebuild_stat_t *vrs;
+ uint_t i;
+
+ error = nvlist_lookup_uint64_array(child[c],
+ ZPOOL_CONFIG_REBUILD_STATS, (uint64_t **)&vrs, &i);
+ if (error == 0) {
+ if (vrs->vrs_state == VDEV_REBUILD_ACTIVE) {
+ bytes_remaining += (vrs->vrs_bytes_est -
+ vrs->vrs_bytes_rebuilt);
+ }
+ }
+ }
+
+ return (bytes_remaining);
+}
+
+/* Whether any vdevs are 'spare' or 'replacing' vdevs */
+static boolean_t
+vdev_any_spare_replacing(nvlist_t *nv)
+{
+ nvlist_t **child;
+ uint_t c, children;
+ char *vdev_type;
+
+ (void) nvlist_lookup_string(nv, ZPOOL_CONFIG_TYPE, &vdev_type);
+
+ if (strcmp(vdev_type, VDEV_TYPE_REPLACING) == 0 ||
+ strcmp(vdev_type, VDEV_TYPE_SPARE) == 0) {
+ return (B_TRUE);
+ }
+
+ if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN,
+ &child, &children) != 0)
+ children = 0;
+
+ for (c = 0; c < children; c++) {
+ if (vdev_any_spare_replacing(child[c]))
+ return (B_TRUE);
+ }
+
+ return (B_FALSE);
+}
+
+typedef struct wait_data {
+ char *wd_poolname;
+ boolean_t wd_scripted;
+ boolean_t wd_exact;
+ boolean_t wd_headers_once;
+ boolean_t wd_should_exit;
+ /* Which activities to wait for */
+ boolean_t wd_enabled[ZPOOL_WAIT_NUM_ACTIVITIES];
+ float wd_interval;
+ pthread_cond_t wd_cv;
+ pthread_mutex_t wd_mutex;
+} wait_data_t;
+
+/*
+ * Print to stdout a single line, containing one column for each activity that
+ * we are waiting for specifying how many bytes of work are left for that
+ * activity.
+ */
+static void
+print_wait_status_row(wait_data_t *wd, zpool_handle_t *zhp, int row)
+{
+ nvlist_t *config, *nvroot;
+ uint_t c;
+ int i;
+ pool_checkpoint_stat_t *pcs = NULL;
+ pool_scan_stat_t *pss = NULL;
+ pool_removal_stat_t *prs = NULL;
+ char *headers[] = {"DISCARD", "FREE", "INITIALIZE", "REPLACE",
+ "REMOVE", "RESILVER", "SCRUB", "TRIM"};
+ int col_widths[ZPOOL_WAIT_NUM_ACTIVITIES];
+
+ /* Calculate the width of each column */
+ for (i = 0; i < ZPOOL_WAIT_NUM_ACTIVITIES; i++) {
+ /*
+ * Make sure we have enough space in the col for pretty-printed
+ * numbers and for the column header, and then leave a couple
+ * spaces between cols for readability.
+ */
+ col_widths[i] = MAX(strlen(headers[i]), 6) + 2;
+ }
+
+ /* Print header if appropriate */
+ int term_height = terminal_height();
+ boolean_t reprint_header = (!wd->wd_headers_once && term_height > 0 &&
+ row % (term_height-1) == 0);
+ if (!wd->wd_scripted && (row == 0 || reprint_header)) {
+ for (i = 0; i < ZPOOL_WAIT_NUM_ACTIVITIES; i++) {
+ if (wd->wd_enabled[i])
+ (void) printf("%*s", col_widths[i], headers[i]);
+ }
+ (void) printf("\n");
+ }
+
+ /* Bytes of work remaining in each activity */
+ int64_t bytes_rem[ZPOOL_WAIT_NUM_ACTIVITIES] = {0};
+
+ bytes_rem[ZPOOL_WAIT_FREE] =
+ zpool_get_prop_int(zhp, ZPOOL_PROP_FREEING, NULL);
+
+ config = zpool_get_config(zhp, NULL);
+ nvroot = fnvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE);
+
+ (void) nvlist_lookup_uint64_array(nvroot,
+ ZPOOL_CONFIG_CHECKPOINT_STATS, (uint64_t **)&pcs, &c);
+ if (pcs != NULL && pcs->pcs_state == CS_CHECKPOINT_DISCARDING)
+ bytes_rem[ZPOOL_WAIT_CKPT_DISCARD] = pcs->pcs_space;
+
+ (void) nvlist_lookup_uint64_array(nvroot,
+ ZPOOL_CONFIG_REMOVAL_STATS, (uint64_t **)&prs, &c);
+ if (prs != NULL && prs->prs_state == DSS_SCANNING)
+ bytes_rem[ZPOOL_WAIT_REMOVE] = prs->prs_to_copy -
+ prs->prs_copied;
+
+ (void) nvlist_lookup_uint64_array(nvroot,
+ ZPOOL_CONFIG_SCAN_STATS, (uint64_t **)&pss, &c);
+ if (pss != NULL && pss->pss_state == DSS_SCANNING &&
+ pss->pss_pass_scrub_pause == 0) {
+ int64_t rem = pss->pss_to_examine - pss->pss_issued;
+ if (pss->pss_func == POOL_SCAN_SCRUB)
+ bytes_rem[ZPOOL_WAIT_SCRUB] = rem;
+ else
+ bytes_rem[ZPOOL_WAIT_RESILVER] = rem;
+ } else if (check_rebuilding(nvroot, NULL)) {
+ bytes_rem[ZPOOL_WAIT_RESILVER] =
+ vdev_activity_top_remaining(nvroot);
+ }
+
+ bytes_rem[ZPOOL_WAIT_INITIALIZE] =
+ vdev_activity_remaining(nvroot, ZPOOL_WAIT_INITIALIZE);
+ bytes_rem[ZPOOL_WAIT_TRIM] =
+ vdev_activity_remaining(nvroot, ZPOOL_WAIT_TRIM);
+
+ /*
+ * A replace finishes after resilvering finishes, so the amount of work
+ * left for a replace is the same as for resilvering.
+ *
+ * It isn't quite correct to say that if we have any 'spare' or
+ * 'replacing' vdevs and a resilver is happening, then a replace is in
+ * progress, like we do here. When a hot spare is used, the faulted vdev
+ * is not removed after the hot spare is resilvered, so parent 'spare'
+ * vdev is not removed either. So we could have a 'spare' vdev, but be
+ * resilvering for a different reason. However, we use it as a heuristic
+ * because we don't have access to the DTLs, which could tell us whether
+ * or not we have really finished resilvering a hot spare.
+ */
+ if (vdev_any_spare_replacing(nvroot))
+ bytes_rem[ZPOOL_WAIT_REPLACE] = bytes_rem[ZPOOL_WAIT_RESILVER];
+
+ if (timestamp_fmt != NODATE)
+ print_timestamp(timestamp_fmt);
+
+ for (i = 0; i < ZPOOL_WAIT_NUM_ACTIVITIES; i++) {
+ char buf[64];
+ if (!wd->wd_enabled[i])
+ continue;
+
+ if (wd->wd_exact)
+ (void) snprintf(buf, sizeof (buf), "%" PRIi64,
+ bytes_rem[i]);
+ else
+ zfs_nicenum(bytes_rem[i], buf, sizeof (buf));
+
+ if (wd->wd_scripted)
+ (void) printf(i == 0 ? "%s" : "\t%s", buf);
+ else
+ (void) printf(" %*s", col_widths[i] - 1, buf);
+ }
+ (void) printf("\n");
+ (void) fflush(stdout);
+}
+
+static void *
+wait_status_thread(void *arg)
+{
+ wait_data_t *wd = (wait_data_t *)arg;
+ zpool_handle_t *zhp;
+
+ if ((zhp = zpool_open(g_zfs, wd->wd_poolname)) == NULL)
+ return (void *)(1);
+
+ for (int row = 0; ; row++) {
+ boolean_t missing;
+ struct timespec timeout;
+ int ret = 0;
+ (void) clock_gettime(CLOCK_REALTIME, &timeout);
+
+ if (zpool_refresh_stats(zhp, &missing) != 0 || missing ||
+ zpool_props_refresh(zhp) != 0) {
+ zpool_close(zhp);
+ return (void *)(uintptr_t)(missing ? 0 : 1);
+ }
+
+ print_wait_status_row(wd, zhp, row);
+
+ timeout.tv_sec += floor(wd->wd_interval);
+ long nanos = timeout.tv_nsec +
+ (wd->wd_interval - floor(wd->wd_interval)) * NANOSEC;
+ if (nanos >= NANOSEC) {
+ timeout.tv_sec++;
+ timeout.tv_nsec = nanos - NANOSEC;
+ } else {
+ timeout.tv_nsec = nanos;
+ }
+ pthread_mutex_lock(&wd->wd_mutex);
+ if (!wd->wd_should_exit)
+ ret = pthread_cond_timedwait(&wd->wd_cv, &wd->wd_mutex,
+ &timeout);
+ pthread_mutex_unlock(&wd->wd_mutex);
+ if (ret == 0) {
+ break; /* signaled by main thread */
+ } else if (ret != ETIMEDOUT) {
+ (void) fprintf(stderr, gettext("pthread_cond_timedwait "
+ "failed: %s\n"), strerror(ret));
+ zpool_close(zhp);
+ return (void *)(uintptr_t)(1);
+ }
+ }
+
+ zpool_close(zhp);
+ return (void *)(0);
+}
+
+int
+zpool_do_wait(int argc, char **argv)
+{
+ boolean_t verbose = B_FALSE;
+ char c;
+ char *value;
+ int i;
+ unsigned long count;
+ pthread_t status_thr;
+ int error = 0;
+ zpool_handle_t *zhp;
+
+ wait_data_t wd;
+ wd.wd_scripted = B_FALSE;
+ wd.wd_exact = B_FALSE;
+ wd.wd_headers_once = B_FALSE;
+ wd.wd_should_exit = B_FALSE;
+
+ pthread_mutex_init(&wd.wd_mutex, NULL);
+ pthread_cond_init(&wd.wd_cv, NULL);
+
+ /* By default, wait for all types of activity. */
+ for (i = 0; i < ZPOOL_WAIT_NUM_ACTIVITIES; i++)
+ wd.wd_enabled[i] = B_TRUE;
+
+ while ((c = getopt(argc, argv, "HpT:t:")) != -1) {
+ switch (c) {
+ case 'H':
+ wd.wd_scripted = B_TRUE;
+ break;
+ case 'n':
+ wd.wd_headers_once = B_TRUE;
+ break;
+ case 'p':
+ wd.wd_exact = B_TRUE;
+ break;
+ case 'T':
+ get_timestamp_arg(*optarg);
+ break;
+ case 't':
+ {
+ static char *col_subopts[] = { "discard", "free",
+ "initialize", "replace", "remove", "resilver",
+ "scrub", "trim", NULL };
+
+ /* Reset activities array */
+ bzero(&wd.wd_enabled, sizeof (wd.wd_enabled));
+ while (*optarg != '\0') {
+ int activity = getsubopt(&optarg, col_subopts,
+ &value);
+
+ if (activity < 0) {
+ (void) fprintf(stderr,
+ gettext("invalid activity '%s'\n"),
+ value);
+ usage(B_FALSE);
+ }
+
+ wd.wd_enabled[activity] = B_TRUE;
+ }
+ break;
+ }
+ case '?':
+ (void) fprintf(stderr, gettext("invalid option '%c'\n"),
+ optopt);
+ usage(B_FALSE);
+ }
+ }
+
+ argc -= optind;
+ argv += optind;
+
+ get_interval_count(&argc, argv, &wd.wd_interval, &count);
+ if (count != 0) {
+ /* This subcmd only accepts an interval, not a count */
+ (void) fprintf(stderr, gettext("too many arguments\n"));
+ usage(B_FALSE);
+ }
+
+ if (wd.wd_interval != 0)
+ verbose = B_TRUE;
+
+ if (argc < 1) {
+ (void) fprintf(stderr, gettext("missing 'pool' argument\n"));
+ usage(B_FALSE);
+ }
+ if (argc > 1) {
+ (void) fprintf(stderr, gettext("too many arguments\n"));
+ usage(B_FALSE);
+ }
+
+ wd.wd_poolname = argv[0];
+
+ if ((zhp = zpool_open(g_zfs, wd.wd_poolname)) == NULL)
+ return (1);
+
+ if (verbose) {
+ /*
+ * We use a separate thread for printing status updates because
+ * the main thread will call lzc_wait(), which blocks as long
+ * as an activity is in progress, which can be a long time.
+ */
+ if (pthread_create(&status_thr, NULL, wait_status_thread, &wd)
+ != 0) {
+ (void) fprintf(stderr, gettext("failed to create status"
+ "thread: %s\n"), strerror(errno));
+ zpool_close(zhp);
+ return (1);
+ }
+ }
+
+ /*
+ * Loop over all activities that we are supposed to wait for until none
+ * of them are in progress. Note that this means we can end up waiting
+ * for more activities to complete than just those that were in progress
+ * when we began waiting; if an activity we are interested in begins
+ * while we are waiting for another activity, we will wait for both to
+ * complete before exiting.
+ */
+ for (;;) {
+ boolean_t missing = B_FALSE;
+ boolean_t any_waited = B_FALSE;
+
+ for (i = 0; i < ZPOOL_WAIT_NUM_ACTIVITIES; i++) {
+ boolean_t waited;
+
+ if (!wd.wd_enabled[i])
+ continue;
+
+ error = zpool_wait_status(zhp, i, &missing, &waited);
+ if (error != 0 || missing)
+ break;
+
+ any_waited = (any_waited || waited);
+ }
+
+ if (error != 0 || missing || !any_waited)
+ break;
+ }
+
+ zpool_close(zhp);
+
+ if (verbose) {
+ uintptr_t status;
+ pthread_mutex_lock(&wd.wd_mutex);
+ wd.wd_should_exit = B_TRUE;
+ pthread_cond_signal(&wd.wd_cv);
+ pthread_mutex_unlock(&wd.wd_mutex);
+ (void) pthread_join(status_thr, (void *)&status);
+ if (status != 0)
+ error = status;
+ }
+
+ pthread_mutex_destroy(&wd.wd_mutex);
+ pthread_cond_destroy(&wd.wd_cv);
+ return (error);
+}
+
+static int
+find_command_idx(char *command, int *idx)
+{
+ int i;
+
+ for (i = 0; i < NCOMMAND; i++) {
+ if (command_table[i].name == NULL)
+ continue;
+
+ if (strcmp(command, command_table[i].name) == 0) {
+ *idx = i;
+ return (0);
+ }
+ }
+ return (1);
+}
+
+/*
+ * Display version message
+ */
+static int
+zpool_do_version(int argc, char **argv)
+{
+ if (zfs_version_print() == -1)
+ return (1);
+
+ return (0);
+}
+
+int
+main(int argc, char **argv)
+{
+ int ret = 0;
+ int i = 0;
+ char *cmdname;
+ char **newargv;
+
+ (void) setlocale(LC_ALL, "");
+ (void) textdomain(TEXT_DOMAIN);
+ srand(time(NULL));
+
+ opterr = 0;
+
+ /*
+ * Make sure the user has specified some command.
+ */
+ if (argc < 2) {
+ (void) fprintf(stderr, gettext("missing command\n"));
+ usage(B_FALSE);
+ }
+
+ cmdname = argv[1];
+
+ /*
+ * Special case '-?'
+ */
+ if ((strcmp(cmdname, "-?") == 0) || strcmp(cmdname, "--help") == 0)
+ usage(B_TRUE);
+
+ /*
+ * Special case '-V|--version'
+ */
+ if ((strcmp(cmdname, "-V") == 0) || (strcmp(cmdname, "--version") == 0))
+ return (zpool_do_version(argc, argv));
+
+ if ((g_zfs = libzfs_init()) == NULL) {
+ (void) fprintf(stderr, "%s\n", libzfs_error_init(errno));
+ return (1);
+ }
+
+ libzfs_print_on_error(g_zfs, B_TRUE);
+
+ zfs_save_arguments(argc, argv, history_str, sizeof (history_str));
+
+ /*
+ * Many commands modify input strings for string parsing reasons.
+ * We create a copy to protect the original argv.
+ */
+ newargv = malloc((argc + 1) * sizeof (newargv[0]));
+ for (i = 0; i < argc; i++)
+ newargv[i] = strdup(argv[i]);
+ newargv[argc] = NULL;
+
+ /*
+ * Run the appropriate command.
+ */
+ if (find_command_idx(cmdname, &i) == 0) {
+ current_command = &command_table[i];
+ ret = command_table[i].func(argc - 1, newargv + 1);
+ } else if (strchr(cmdname, '=')) {
+ verify(find_command_idx("set", &i) == 0);
+ current_command = &command_table[i];
+ ret = command_table[i].func(argc, newargv);
+ } else if (strcmp(cmdname, "freeze") == 0 && argc == 3) {
+ /*
+ * 'freeze' is a vile debugging abomination, so we treat
+ * it as such.
+ */
+ zfs_cmd_t zc = {"\0"};
+
+ (void) strlcpy(zc.zc_name, argv[2], sizeof (zc.zc_name));
+ ret = zfs_ioctl(g_zfs, ZFS_IOC_POOL_FREEZE, &zc);
+ if (ret != 0) {
+ (void) fprintf(stderr,
+ gettext("failed to freeze pool: %d\n"), errno);
+ ret = 1;
+ }
+
+ log_history = 0;
+ } else {
+ (void) fprintf(stderr, gettext("unrecognized "
+ "command '%s'\n"), cmdname);
+ usage(B_FALSE);
+ ret = 1;
+ }
+
+ for (i = 0; i < argc; i++)
+ free(newargv[i]);
+ free(newargv);
+
+ if (ret == 0 && log_history)
+ (void) zpool_log_history(g_zfs, history_str);
+
+ libzfs_fini(g_zfs);
+
+ /*
+ * The 'ZFS_ABORT' environment variable causes us to dump core on exit
+ * for the purposes of running ::findleaks.
+ */
+ if (getenv("ZFS_ABORT") != NULL) {
+ (void) printf("dumping core by request\n");
+ abort();
+ }
+
+ return (ret);
+}