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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) 2013, 2016 by Delphix. All rights reserved.
#
. $STF_SUITE/include/libtest.shlib
#
# DESCRIPTION:
# zpool history will truncate on small pools, leaving pool creation intact
#
# STRATEGY:
# 1. Create a test pool on a file.
# 2. Loop 300 times to set and remove compression to test dataset.
# 3. Make sure 'zpool history' output is truncated
# 4. Verify that the initial pool creation is preserved.
#
verify_runnable "global"
function cleanup
{
datasetexists $spool && log_must zpool destroy $spool
[[ -f $VDEV0 ]] && log_must rm -f $VDEV0
[[ -f $TMPFILE ]] && log_must rm -f $TMPFILE
}
log_assert "zpool history limitation test."
log_onexit cleanup
mntpnt=$(get_prop mountpoint $TESTPOOL)
VDEV0=$mntpnt/vdev0
log_must mkfile $MINVDEVSIZE $VDEV0
spool=smallpool.$$; sfs=smallfs.$$
log_must zpool create $spool $VDEV0
log_must zfs create $spool/$sfs
typeset -i orig_count=$(zpool history $spool | wc -l)
typeset orig_md5=$(zpool history $spool | head -2 | md5digest)
typeset -i i=0
while ((i < 300)); do
zfs set compression=off $spool/$sfs
zfs set compression=on $spool/$sfs
zfs set compression=off $spool/$sfs
zfs set compression=on $spool/$sfs
zfs set compression=off $spool/$sfs
((i += 1))
done
TMPFILE=$TEST_BASE_DIR/spool.$$
zpool history $spool >$TMPFILE
typeset -i entry_count=$(wc -l < $TMPFILE)
typeset final_md5=$(head -2 $TMPFILE | md5digest)
grep -q 'zpool create' $TMPFILE ||
log_fail "'zpool create' was not found in pool history"
grep -q 'zfs create' $TMPFILE &&
log_fail "'zfs create' was found in pool history"
grep -q 'zfs set compress' $TMPFILE ||
log_fail "'zfs set compress' was found in pool history"
# Verify that the creation of the pool was preserved in the history.
if [[ $orig_md5 != $final_md5 ]]; then
log_fail "zpool creation history was not preserved."
fi
log_pass "zpool history limitation test passed."
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