xref: /illumos-gate/usr/src/test/zfs-tests/tests/functional/zvol/zvol_misc/zvol_misc_004_pos.ksh (revision 8ce3a03883b8748c139aa8c412b64dcc7aaee1a1)
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 by Delphix. All rights reserved.
30#
31
32. $STF_SUITE/include/libtest.shlib
33. $STF_SUITE/tests/functional/zvol/zvol_common.shlib
34
35#
36# DESCRIPTION:
37# Verify the ability to take snapshots of zvols used as dump or swap.
38#
39# STRATEGY:
40# 1. Create a ZFS volume
41# 2. Set the volume as dump or swap
42# 3. Verify creating a snapshot of the zvol succeeds.
43#
44
45verify_runnable "global"
46
47function cleanup
48{
49	typeset dumpdev=$(get_dumpdevice)
50	if [[ $dumpdev != $savedumpdev ]] ; then
51		safe_dumpadm $savedumpdev
52	fi
53
54	$SWAP -l | $GREP -w $voldev > /dev/null 2>&1
55        if (( $? == 0 ));  then
56		log_must $SWAP -d $voldev
57	fi
58
59	typeset snap
60	for snap in snap0 snap1 ; do
61		if datasetexists $TESTPOOL/$TESTVOL@$snap ; then
62			log_must $ZFS destroy $TESTPOOL/$TESTVOL@$snap
63		fi
64	done
65}
66
67function verify_snapshot
68{
69	typeset volume=$1
70
71	log_must $ZFS snapshot $volume@snap0
72	log_must $ZFS snapshot $volume@snap1
73	log_must datasetexists $volume@snap0 $volume@snap1
74
75	log_must $ZFS destroy $volume@snap1
76	log_must $ZFS snapshot $volume@snap1
77
78	log_mustnot $ZFS rollback -r $volume@snap0
79	log_must datasetexists $volume@snap0
80
81	log_must $ZFS destroy -r $volume@snap0
82}
83
84log_assert "Verify the ability to take snapshots of zvols used as dump or swap."
85log_onexit cleanup
86
87voldev=/dev/zvol/dsk/$TESTPOOL/$TESTVOL
88savedumpdev=$(get_dumpdevice)
89
90# create snapshot over dump zvol
91safe_dumpadm $voldev
92log_must is_zvol_dumpified $TESTPOOL/$TESTVOL
93
94verify_snapshot $TESTPOOL/$TESTVOL
95
96safe_dumpadm $savedumpdev
97log_mustnot is_zvol_dumpified $TESTPOOL/$TESTVOL
98
99# create snapshot over swap zvol
100
101log_must $SWAP -a $voldev
102log_mustnot is_zvol_dumpified $TESTPOOL/$TESTVOL
103
104verify_snapshot $TESTPOOL/$TESTVOL
105
106log_must $SWAP -d $voldev
107log_mustnot is_zvol_dumpified $TESTPOOL/$TESTVOL
108
109log_pass "Creating snapshots from dump/swap zvols succeeds."
110