#! /usr/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 2008 Sun Microsystems, Inc. All rights reserved. # Use is subject to license terms. # # # Copyright (c) 2013, 2016 by Delphix. All rights reserved. # Copyright 2016 Nexenta Systems, Inc. # Copyright 2020 Joyent, Inc. # . $STF_SUITE/include/libtest.shlib . $STF_SUITE/tests/functional/zvol/zvol_common.shlib # # DESCRIPTION: # Verify the ability to take snapshots of zvols used as dump or swap. # # STRATEGY: # 1. Create a ZFS volume # 2. Set the volume as dump or swap # 3. Verify creating a snapshot of the zvol succeeds. # verify_runnable "global" volsize=$(zfs get -H -o value volsize $TESTPOOL/$TESTVOL) function cleanup { typeset dumpdev=$(get_dumpdevice) if [[ $dumpdev != $savedumpdev ]] ; then safe_dumpadm $savedumpdev fi swap -l | awk 'NR > 1 { print $1 }' | \ grep "^$voldev\$" > /dev/null 2>&1 if (( $? == 0 )); then log_must swap -d $voldev fi typeset snap for snap in snap0 snap1 ; do if datasetexists $TESTPOOL/$TESTVOL@$snap ; then log_must zfs destroy $TESTPOOL/$TESTVOL@$snap fi done zfs set volsize=$volsize $TESTPOOL/$TESTVOL } function verify_snapshot { typeset volume=$1 log_must zfs snapshot $volume@snap0 log_must zfs snapshot $volume@snap1 log_must datasetexists $volume@snap0 $volume@snap1 log_must zfs destroy $volume@snap1 log_must zfs snapshot $volume@snap1 log_mustnot zfs rollback -r $volume@snap0 log_must datasetexists $volume@snap0 log_must zfs destroy -r $volume@snap0 } log_assert "Verify the ability to take snapshots of zvols used as dump or swap." log_onexit cleanup voldev=/dev/zvol/dsk/$TESTPOOL/$TESTVOL savedumpdev=$(get_dumpdevice) # create snapshot over dump zvol safe_dumpadm $voldev log_must is_zvol_dumpified $TESTPOOL/$TESTVOL verify_snapshot $TESTPOOL/$TESTVOL safe_dumpadm $savedumpdev log_mustnot is_zvol_dumpified $TESTPOOL/$TESTVOL # create snapshot over swap zvol log_must swap -a $voldev log_mustnot is_zvol_dumpified $TESTPOOL/$TESTVOL verify_snapshot $TESTPOOL/$TESTVOL log_must swap -d $voldev log_mustnot is_zvol_dumpified $TESTPOOL/$TESTVOL log_pass "Creating snapshots from dump/swap zvols succeeds."