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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 2009 Sun Microsystems, Inc. All rights reserved.
# Use is subject to license terms.
#
#
# Copyright (c) 2013, 2016 by Delphix. All rights reserved.
#
. $STF_SUITE/include/libtest.shlib
. $STF_SUITE/tests/functional/online_offline/online_offline.cfg
#
# DESCRIPTION:
# Turning disks in a pool offline should fail when there is no longer
# sufficient redundancy.
#
# STRATEGY:
# 1. Start some random I/O on the mirror or raidz.
# 2. Verify that we can offline as many disks as the redundancy level
# will support, but not more.
# 3. Verify the integrity of the file system and the resilvering.
#
verify_runnable "global"
DISKLIST=$(get_disklist $TESTPOOL)
function cleanup
{
#
# Ensure we don't leave disks in the offline state
#
for disk in $DISKLIST; do
log_must zpool online $TESTPOOL $disk
log_must check_state $TESTPOOL $disk "online"
done
kill $killpid >/dev/null 2>&1
[[ -e $TESTDIR ]] && log_must rm -rf $TESTDIR/*
}
log_assert "Turning both disks offline should fail."
log_onexit cleanup
file_trunc -f $((64 * 1024 * 1024)) -b 8192 -c 0 -r $TESTDIR/$TESTFILE1 &
typeset killpid="$! "
disks=($DISKLIST)
#
# The setup script will give us either a mirror or a raidz. The former can have
# all but one vdev offlined, whereas with raidz there can be only one.
#
pooltype='mirror'
zpool list -v $TESTPOOL | grep raidz >/dev/null 2>&1 && pooltype='raidz'
typeset -i i=0
while [[ $i -lt ${#disks[*]} ]]; do
typeset -i j=0
if [[ $pooltype = 'mirror' ]]; then
# Hold one disk online, verify the others can be offlined.
log_must zpool online $TESTPOOL ${disks[$i]}
check_state $TESTPOOL ${disks[$i]} "online" || \
log_fail "Failed to set ${disks[$i]} online"
log_must zpool wait -t resilver $TESTPOOL
log_must zpool clear $TESTPOOL
while [[ $j -lt ${#disks[*]} ]]; do
if [[ $j -eq $i ]]; then
((j++))
continue
fi
log_must zpool offline $TESTPOOL ${disks[$j]}
check_state $TESTPOOL ${disks[$j]} "offline" || \
log_fail "Failed to set ${disks[$j]} offline"
((j++))
done
elif [[ $pooltype = 'raidz' ]]; then
# Hold one disk offline, verify the others can't be offlined.
log_must zpool offline $TESTPOOL ${disks[$i]}
check_state $TESTPOOL ${disks[$i]} "offline" || \
log_fail "Failed to set ${disks[$i]} offline"
while [[ $j -lt ${#disks[*]} ]]; do
if [[ $j -eq $i ]]; then
((j++))
continue
fi
log_mustnot zpool offline $TESTPOOL ${disks[$j]}
check_state $TESTPOOL ${disks[$j]} "online" || \
log_fail "Failed to set ${disks[$j]} online"
check_state $TESTPOOL ${disks[$i]} "offline" || \
log_fail "Failed to set ${disks[$i]} offline"
((j++))
done
log_must zpool online $TESTPOOL ${disks[$i]}
check_state $TESTPOOL ${disks[$i]} "online" || \
log_fail "Failed to set ${disks[$i]} online"
log_must zpool wait -t resilver $TESTPOOL
log_must zpool clear $TESTPOOL
fi
((i++))
done
log_must kill $killpid
sync_all_pools
log_must sync
typeset dir=$(get_device_dir $DISKS)
verify_filesys "$TESTPOOL" "$TESTPOOL/$TESTFS" "$dir"
log_pass
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