#!/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. # Copyright 2020 Joyent, Inc. # . $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) (( $? != 0 )) && log_fail "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 | digest -a md5) 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=/tmp/spool.$$ zpool history $spool >$TMPFILE typeset -i entry_count=$(wc -l $TMPFILE | awk '{print $1}') typeset final_md5=$(head -2 $TMPFILE | digest -a md5) grep 'zpool create' $TMPFILE >/dev/null 2>&1 || log_fail "'zpool create' was not found in pool history" grep 'zfs create' $TMPFILE >/dev/null 2>&1 && log_fail "'zfs create' was found in pool history" grep 'zfs set compress' $TMPFILE >/dev/null 2>&1 || 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."