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 . $STF_SUITE/tests/functional/zvol/zvol_common.shlib 36 37 # 38 # DESCRIPTION: 39 # Verify the ability to take snapshots of zvols used as dump or swap. 40 # 41 # STRATEGY: 42 # 1. Create a ZFS volume 43 # 2. Set the volume as dump or swap 44 # 3. Verify creating a snapshot of the zvol succeeds. 45 # 46 47 verify_runnable "global" 48 49 volsize=$(zfs get -H -o value volsize $TESTPOOL/$TESTVOL) 50 51 function 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 73 function 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 $volume@snap0 88 } 89 90 log_assert "Verify the ability to take snapshots of zvols used as dump or swap." 91 log_onexit cleanup 92 93 voldev=/dev/zvol/dsk/$TESTPOOL/$TESTVOL 94 savedumpdev=$(get_dumpdevice) 95 96 # create snapshot over dump zvol 97 safe_dumpadm $voldev 98 log_must is_zvol_dumpified $TESTPOOL/$TESTVOL 99 100 verify_snapshot $TESTPOOL/$TESTVOL 101 102 safe_dumpadm $savedumpdev 103 log_mustnot is_zvol_dumpified $TESTPOOL/$TESTVOL 104 105 # create snapshot over swap zvol 106 107 log_must swap -a $voldev 108 log_mustnot is_zvol_dumpified $TESTPOOL/$TESTVOL 109 110 verify_snapshot $TESTPOOL/$TESTVOL 111 112 log_must swap -d $voldev 113 log_mustnot is_zvol_dumpified $TESTPOOL/$TESTVOL 114 115 log_pass "Creating snapshots from dump/swap zvols succeeds."