diff options
Diffstat (limited to 'tests/zfs-tests/tests/functional/procfs/pool_state.ksh')
| -rwxr-xr-x | tests/zfs-tests/tests/functional/procfs/pool_state.ksh | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/tests/zfs-tests/tests/functional/procfs/pool_state.ksh b/tests/zfs-tests/tests/functional/procfs/pool_state.ksh new file mode 100755 index 000000000000..f4df839be637 --- /dev/null +++ b/tests/zfs-tests/tests/functional/procfs/pool_state.ksh @@ -0,0 +1,146 @@ +#!/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 (c) 2018 by Lawrence Livermore National Security, LLC. +# + +# +# DESCRIPTION: +# Test /proc/spl/kstat/zfs/<pool>/state kstat +# +# STRATEGY: +# 1. Create a mirrored pool +# 2. Check that pool is ONLINE +# 3. Fault one disk +# 4. Check that pool is DEGRADED +# 5. Create a new pool with a single scsi_debug disk +# 6. Remove the disk +# 7. Check that pool is SUSPENDED +# 8. Add the disk back in +# 9. Clear errors and destroy the pools + +. $STF_SUITE/include/libtest.shlib + +verify_runnable "both" + +function cleanup +{ + # Destroy the scsi_debug pool + if [ -n "$TESTPOOL2" ] ; then + if [ -n "$host" ] ; then + # Re-enable the disk + scan_scsi_hosts $host + + # Device may have changed names after being inserted + SDISK=$(get_debug_device) + log_must ln $DEV_RDSKDIR/$SDISK $REALDISK + fi + + # Restore our working pool image + if [ -n "$BACKUP" ] ; then + gunzip -c $BACKUP > $REALDISK + log_must rm -f $BACKUP + fi + + # Our disk is back. Now we can clear errors and destroy the + # pool cleanly. + log_must zpool clear $TESTPOOL2 + + # Now that the disk is back and errors cleared, wait for our + # hung 'zpool scrub' to finish. + wait + + destroy_pool $TESTPOOL2 + log_must rm $REALDISK + unload_scsi_debug + fi +} + +# Check that our pool state values match what's expected +# +# $1: pool name +# $2: expected state ("ONLINE", "DEGRADED", "SUSPENDED", etc) +function check_all +{ + pool=$1 + expected=$2 + + state1=$(zpool status $pool | awk '/state: /{print $2}'); + state2=$(zpool list -H -o health $pool) + state3=$(</proc/spl/kstat/zfs/$pool/state) + log_note "Checking $expected = $state1 = $state2 = $state3" + if [[ "$expected" == "$state1" && "$expected" == "$state2" && \ + "$expected" == "$state3" ]] ; then + true + else + false + fi +} + +log_onexit cleanup + +log_assert "Testing /proc/spl/kstat/zfs/<pool>/state kstat" + +# Test that the initial pool is healthy +check_all $TESTPOOL "ONLINE" + +# Fault one of the disks, and check that pool is degraded +DISK1=$(echo "$DISKS" | awk '{print $2}') +log_must zpool offline -tf $TESTPOOL $DISK1 +check_all $TESTPOOL "DEGRADED" +log_must zpool online $TESTPOOL $DISK1 +log_must zpool clear $TESTPOOL + +# Create a new pool out of a scsi_debug disk +TESTPOOL2=testpool2 +MINVDEVSIZE_MB=$((MINVDEVSIZE / 1048576)) +load_scsi_debug $MINVDEVSIZE_MB 1 1 1 '512b' + +SDISK=$(get_debug_device) +host=$(get_scsi_host $SDISK) + +# Use $REALDISK instead of $SDISK in our pool because $SDISK can change names +# as we remove/add the disk (i.e. /dev/sdf -> /dev/sdg). +REALDISK=/dev/kstat-state-realdisk +log_must [ ! -e $REALDISK ] +ln $DEV_RDSKDIR/$SDISK $REALDISK + +log_must zpool create $TESTPOOL2 $REALDISK + +# Backup the contents of the disk image +BACKUP=$TEST_BASE_DIR/kstat-state-realdisk.gz +log_must [ ! -e $BACKUP ] +gzip -c $REALDISK > $BACKUP + +# Yank out the disk from under the pool +log_must rm $REALDISK +remove_disk $SDISK + +# Run a 'zpool scrub' in the background to suspend the pool. We run it in the +# background since the command will hang when the pool gets suspended. The +# command will resume and exit after we restore the missing disk later on. +zpool scrub $TESTPOOL2 & +sleep 3 # Give the scrub some time to run before we check if it fails + +log_must check_all $TESTPOOL2 "SUSPENDED" + +log_pass "/proc/spl/kstat/zfs/<pool>/state test successful" |