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#!/bin/ksh -p
#
# 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 2007 Sun Microsystems, Inc. All rights reserved.
# Use is subject to license terms.
#
#
# Copyright (c) 2012, 2016 by Delphix. All rights reserved.
#
. $STF_SUITE/include/libtest.shlib
. $STF_SUITE/tests/functional/cli_root/zfs_mount/zfs_mount.kshlib
. $STF_SUITE/tests/functional/cli_root/zpool_import/zpool_import.cfg
#
# DESCRIPTION:
# Once a pool has been exported, and one or more devices are
# damaged or missing (d/m), import should handle this kind of situation
# as described:
# - Regular, report error while any number of devices failing.
# - Mirror could withstand (N-1) devices failing
# before data integrity is compromised
# - Raidz could withstand one devices failing
# before data integrity is compromised
# Verify those are true.
#
# STRATEGY:
# 1. Create test pool upon device files using the various combinations.
# - Regular pool
# - Mirror
# - Raidz
# 2. Create necessary filesystem and test files.
# 3. Export the test pool.
# 4. Remove one or more devices
# 5. Verify 'zpool import' will handle d/m device successfully.
# Using the various combinations.
# - Regular import
# - Alternate Root Specified
# It should be succeed with single d/m device upon 'raidz' & 'mirror',
# but failed against 'regular' or more d/m devices.
# 6. If import succeed, verify following is true:
# - The pool shows up under 'zpool list'.
# - The pool's health should be DEGRADED.
# - It contains the correct test file
#
verify_runnable "global"
set -A vdevs "" "mirror" "raidz"
set -A options "" "-R $ALTER_ROOT"
function cleanup
{
# recover the vdevs
recreate_files
[[ -d $ALTER_ROOT ]] && \
log_must rm -rf $ALTER_ROOT
}
function recreate_files
{
if poolexists "$TESTPOOL1" ; then
cleanup_filesystem $TESTPOOL1 $TESTFS
destroy_pool $TESTPOOL1
fi
log_must rm -rf $DEVICE_DIR/*
typeset i=0
while (( i < $MAX_NUM )); do
log_must mkfile $FILE_SIZE ${DEVICE_DIR}/${DEVICE_FILE}$i
((i += 1))
done
}
log_onexit cleanup
log_assert "Verify that import could handle damaged or missing device."
CWD=$PWD
cd $DEVICE_DIR || log_fail "Unable change directory to $DEVICE_DIR"
checksum1=$(sum $MYTESTFILE | awk '{print $1}')
typeset -i i=0
typeset -i j=0
typeset -i count=0
typeset basedir backup
while (( i < ${#vdevs[*]} )); do
setup_filesystem "$DEVICE_FILES" \
$TESTPOOL1 $TESTFS $TESTDIR1 \
"" ${vdevs[i]}
backup=""
guid=$(get_config $TESTPOOL1 pool_guid)
log_must cp $MYTESTFILE $TESTDIR1/$TESTFILE0
log_must zfs umount $TESTDIR1
j=0
while (( j < ${#options[*]} )); do
count=0
action=log_must
#
# Restore all device files.
#
[[ -n $backup ]] && \
log_must tar xf $DEVICE_DIR/$DEVICE_ARCHIVE
for device in $DEVICE_FILES ; do
log_must rm -f $device
poolexists $TESTPOOL1 && \
log_must zpool export $TESTPOOL1
#
# Backup all device files while filesystem prepared.
#
if [[ -z $backup ]]; then
log_must tar cf $DEVICE_DIR/$DEVICE_ARCHIVE \
${DEVICE_FILE}*
backup="true"
fi
(( count = count + 1 ))
case "${vdevs[i]}" in
'mirror') (( count == $GROUP_NUM )) && \
action=log_mustnot
;;
'raidz') (( count > 1 )) && \
action=log_mustnot
;;
'') action=log_mustnot
;;
esac
typeset target=$TESTPOOL1
if (( RANDOM % 2 == 0 )) ; then
target=$guid
log_note "Import by guid."
fi
$action zpool import \
-d $DEVICE_DIR ${options[j]} $target
[[ $action == "log_mustnot" ]] && continue
log_must poolexists $TESTPOOL1
health=$(zpool list -H -o health $TESTPOOL1)
[[ $health == "DEGRADED" ]] || \
log_fail "$TESTPOOL1: Incorrect health($health)"
log_must ismounted $TESTPOOL1/$TESTFS
basedir=$TESTDIR1
[[ -n ${options[j]} ]] && \
basedir=$ALTER_ROOT/$TESTDIR1
[[ ! -e $basedir/$TESTFILE0 ]] && \
log_fail "$basedir/$TESTFILE0 missing after import."
checksum2=$(sum $basedir/$TESTFILE0 | awk '{print $1}')
[[ "$checksum1" != "$checksum2" ]] && \
log_fail "Checksums differ ($checksum1 != $checksum2)"
done
((j = j + 1))
done
recreate_files
((i = i + 1))
done
log_pass "Import could handle damaged or missing device."
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