1#! /usr/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 2008 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 2016 Nexenta Systems, Inc. 31# Copyright 2020 Joyent, Inc. 32# 33 34. $STF_SUITE/include/libtest.shlib 35. $STF_SUITE/tests/functional/zvol/zvol_common.shlib 36 37# 38# DESCRIPTION: 39# Verify the ability to take snapshots of zvols used as dump or swap. 40# 41# STRATEGY: 42# 1. Create a ZFS volume 43# 2. Set the volume as dump or swap 44# 3. Verify creating a snapshot of the zvol succeeds. 45# 46 47verify_runnable "global" 48 49volsize=$(zfs get -H -o value volsize $TESTPOOL/$TESTVOL) 50 51function cleanup 52{ 53 typeset dumpdev=$(get_dumpdevice) 54 if [[ $dumpdev != $savedumpdev ]] ; then 55 safe_dumpadm $savedumpdev 56 fi 57 58 swap -l | awk 'NR > 1 { print $1 }' | \ 59 grep "^$voldev\$" > /dev/null 2>&1 60 if (( $? == 0 )); then 61 log_must swap -d $voldev 62 fi 63 64 typeset snap 65 for snap in snap0 snap1 ; do 66 if datasetexists $TESTPOOL/$TESTVOL@$snap ; then 67 log_must zfs destroy $TESTPOOL/$TESTVOL@$snap 68 fi 69 done 70 zfs set volsize=$volsize $TESTPOOL/$TESTVOL 71} 72 73function verify_snapshot 74{ 75 typeset volume=$1 76 77 log_must zfs snapshot $volume@snap0 78 log_must zfs snapshot $volume@snap1 79 log_must datasetexists $volume@snap0 $volume@snap1 80 81 log_must zfs destroy $volume@snap1 82 log_must zfs snapshot $volume@snap1 83 84 log_mustnot zfs rollback -r $volume@snap0 85 log_must datasetexists $volume@snap0 86 87 log_must zfs destroy -r $volume@snap0 88} 89 90log_assert "Verify the ability to take snapshots of zvols used as dump or swap." 91log_onexit cleanup 92 93voldev=/dev/zvol/dsk/$TESTPOOL/$TESTVOL 94savedumpdev=$(get_dumpdevice) 95 96# create snapshot over dump zvol 97safe_dumpadm $voldev 98log_must is_zvol_dumpified $TESTPOOL/$TESTVOL 99 100verify_snapshot $TESTPOOL/$TESTVOL 101 102safe_dumpadm $savedumpdev 103log_mustnot is_zvol_dumpified $TESTPOOL/$TESTVOL 104 105# create snapshot over swap zvol 106 107log_must swap -a $voldev 108log_mustnot is_zvol_dumpified $TESTPOOL/$TESTVOL 109 110verify_snapshot $TESTPOOL/$TESTVOL 111 112log_must swap -d $voldev 113log_mustnot is_zvol_dumpified $TESTPOOL/$TESTVOL 114 115log_pass "Creating snapshots from dump/swap zvols succeeds." 116