xref: /illumos-gate/usr/src/test/zfs-tests/tests/functional/zvol/zvol_misc/zvol_misc_004_pos.ksh (revision 508a0e8cf1600b06c1f7361ad76e736710d3fdf8)
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#
32
33. $STF_SUITE/include/libtest.shlib
34. $STF_SUITE/tests/functional/zvol/zvol_common.shlib
35
36#
37# DESCRIPTION:
38# Verify the ability to take snapshots of zvols used as dump or swap.
39#
40# STRATEGY:
41# 1. Create a ZFS volume
42# 2. Set the volume as dump or swap
43# 3. Verify creating a snapshot of the zvol succeeds.
44#
45
46verify_runnable "global"
47
48volsize=$(zfs get -H -o value volsize $TESTPOOL/$TESTVOL)
49
50function cleanup
51{
52	typeset dumpdev=$(get_dumpdevice)
53	if [[ $dumpdev != $savedumpdev ]] ; then
54		safe_dumpadm $savedumpdev
55	fi
56
57	swap -l | grep -w $voldev > /dev/null 2>&1
58        if (( $? == 0 ));  then
59		log_must swap -d $voldev
60	fi
61
62	typeset snap
63	for snap in snap0 snap1 ; do
64		if datasetexists $TESTPOOL/$TESTVOL@$snap ; then
65			log_must zfs destroy $TESTPOOL/$TESTVOL@$snap
66		fi
67	done
68	zfs set volsize=$volsize $TESTPOOL/$TESTVOL
69}
70
71function verify_snapshot
72{
73	typeset volume=$1
74
75	log_must zfs snapshot $volume@snap0
76	log_must zfs snapshot $volume@snap1
77	log_must datasetexists $volume@snap0 $volume@snap1
78
79	log_must zfs destroy $volume@snap1
80	log_must zfs snapshot $volume@snap1
81
82	log_mustnot zfs rollback -r $volume@snap0
83	log_must datasetexists $volume@snap0
84
85	log_must zfs destroy -r $volume@snap0
86}
87
88log_assert "Verify the ability to take snapshots of zvols used as dump or swap."
89log_onexit cleanup
90
91voldev=/dev/zvol/dsk/$TESTPOOL/$TESTVOL
92savedumpdev=$(get_dumpdevice)
93
94# create snapshot over dump zvol
95safe_dumpadm $voldev
96log_must is_zvol_dumpified $TESTPOOL/$TESTVOL
97
98verify_snapshot $TESTPOOL/$TESTVOL
99
100safe_dumpadm $savedumpdev
101log_mustnot is_zvol_dumpified $TESTPOOL/$TESTVOL
102
103# create snapshot over swap zvol
104
105log_must swap -a $voldev
106log_mustnot is_zvol_dumpified $TESTPOOL/$TESTVOL
107
108verify_snapshot $TESTPOOL/$TESTVOL
109
110log_must swap -d $voldev
111log_mustnot is_zvol_dumpified $TESTPOOL/$TESTVOL
112
113log_pass "Creating snapshots from dump/swap zvols succeeds."
114