/tests/zfs-tests/tests/functional/zvol/zvol_misc/zvol_misc_004_pos.ksh
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Possible License(s): Apache-2.0, MPL-2.0-no-copyleft-exception
- #!/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.
- #
- . $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"
- if ! is_physical_device $DISKS; then
- log_unsupported "This directory cannot be run on raw files."
- fi
- volsize=$(zfs get -H -o value volsize $TESTPOOL/$TESTVOL)
- function cleanup
- {
- typeset dumpdev=$(get_dumpdevice)
- if [[ $dumpdev != $savedumpdev ]] ; then
- safe_dumpadm $savedumpdev
- fi
- swap -l | grep -w $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 $volume@snap0
- }
- log_assert "Verify the ability to take snapshots of zvols used as dump or swap."
- log_onexit cleanup
- voldev=${ZVOL_DEVDIR}/$TESTPOOL/$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."