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 . $STF_SUITE/tests/functional/zvol/zvol_common.shlib
  35 
  36 #
  37 # DESCRIPTION:
  38 # Verify the ability to take snapshots of zvols used as dump or swap.
  39 #
  40 # STRATEGY:
  41 # 1. Create a ZFS volume
  42 # 2. Set the volume as dump or swap
  43 # 3. Verify creating a snapshot of the zvol succeeds.
  44 #
  45 
  46 verify_runnable "global"
  47 
  48 volsize=$(zfs get -H -o value volsize $TESTPOOL/$TESTVOL)
  49 
  50 function 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 
  71 function 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 $volume@snap0
  86 }
  87 
  88 log_assert "Verify the ability to take snapshots of zvols used as dump or swap."
  89 log_onexit cleanup
  90 
  91 voldev=/dev/zvol/dsk/$TESTPOOL/$TESTVOL
  92 savedumpdev=$(get_dumpdevice)
  93 
  94 # create snapshot over dump zvol
  95 safe_dumpadm $voldev
  96 log_must is_zvol_dumpified $TESTPOOL/$TESTVOL
  97 
  98 verify_snapshot $TESTPOOL/$TESTVOL
  99 
 100 safe_dumpadm $savedumpdev
 101 log_mustnot is_zvol_dumpified $TESTPOOL/$TESTVOL
 102 
 103 # create snapshot over swap zvol
 104 
 105 log_must swap -a $voldev
 106 log_mustnot is_zvol_dumpified $TESTPOOL/$TESTVOL
 107 
 108 verify_snapshot $TESTPOOL/$TESTVOL
 109 
 110 log_must swap -d $voldev
 111 log_mustnot is_zvol_dumpified $TESTPOOL/$TESTVOL
 112 
 113 log_pass "Creating snapshots from dump/swap zvols succeeds."