1#!/bin/ksh -p 2# 3# CDDL HEADER START 4# 5# The contents of this file are subject to the terms of the 6# Common Development and Distribution License (the "License"). 7# You may not use this file except in compliance with the License. 8# 9# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10# or http://www.opensolaris.org/os/licensing. 11# See the License for the specific language governing permissions 12# and limitations under the License. 13# 14# When distributing Covered Code, include this CDDL HEADER in each 15# file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16# If applicable, add the following below this CDDL HEADER, with the 17# fields enclosed by brackets "[]" replaced with your own identifying 18# information: Portions Copyright [yyyy] [name of copyright owner] 19# 20# CDDL HEADER END 21# 22 23# 24# Copyright 2007 Sun Microsystems, Inc. All rights reserved. 25# Use is subject to license terms. 26# 27 28# 29# Copyright (c) 2013, 2016 by Delphix. All rights reserved. 30# Copyright 2020 Joyent, Inc. 31# 32 33. $STF_SUITE/include/libtest.shlib 34 35# 36# DESCRIPTION: 37# zpool history will truncate on small pools, leaving pool creation intact 38# 39# STRATEGY: 40# 1. Create a test pool on a file. 41# 2. Loop 300 times to set and remove compression to test dataset. 42# 3. Make sure 'zpool history' output is truncated 43# 4. Verify that the initial pool creation is preserved. 44# 45 46verify_runnable "global" 47 48function cleanup 49{ 50 datasetexists $spool && log_must zpool destroy $spool 51 [[ -f $VDEV0 ]] && log_must rm -f $VDEV0 52 [[ -f $TMPFILE ]] && log_must rm -f $TMPFILE 53} 54 55log_assert "zpool history limitation test." 56log_onexit cleanup 57 58mntpnt=$(get_prop mountpoint $TESTPOOL) 59(( $? != 0 )) && log_fail "get_prop mountpoint $TESTPOOL" 60 61VDEV0=$mntpnt/vdev0 62log_must mkfile $MINVDEVSIZE $VDEV0 63 64spool=smallpool.$$; sfs=smallfs.$$ 65log_must zpool create $spool $VDEV0 66log_must zfs create $spool/$sfs 67 68typeset -i orig_count=$(zpool history $spool | wc -l) 69typeset orig_md5=$(zpool history $spool | head -2 | digest -a md5) 70 71typeset -i i=0 72while ((i < 300)); do 73 zfs set compression=off $spool/$sfs 74 zfs set compression=on $spool/$sfs 75 zfs set compression=off $spool/$sfs 76 zfs set compression=on $spool/$sfs 77 zfs set compression=off $spool/$sfs 78 79 ((i += 1)) 80done 81 82TMPFILE=/tmp/spool.$$ 83zpool history $spool >$TMPFILE 84typeset -i entry_count=$(wc -l $TMPFILE | awk '{print $1}') 85typeset final_md5=$(head -2 $TMPFILE | digest -a md5) 86 87grep 'zpool create' $TMPFILE >/dev/null 2>&1 || 88 log_fail "'zpool create' was not found in pool history" 89 90grep 'zfs create' $TMPFILE >/dev/null 2>&1 && 91 log_fail "'zfs create' was found in pool history" 92 93grep 'zfs set compress' $TMPFILE >/dev/null 2>&1 || 94 log_fail "'zfs set compress' was found in pool history" 95 96# Verify that the creation of the pool was preserved in the history. 97if [[ $orig_md5 != $final_md5 ]]; then 98 log_fail "zpool creation history was not preserved." 99fi 100 101log_pass "zpool history limitation test passed." 102