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 . $STF_SUITE/tests/functional/zvol/zvol_common.shlib
  34 
  35 #
  36 # DESCRIPTION:
  37 # Verify the ability to take snapshots of zvols used as dump or swap.
  38 #
  39 # STRATEGY:
  40 # 1. Create a ZFS volume
  41 # 2. Set the volume as dump or swap
  42 # 3. Verify creating a snapshot of the zvol succeeds.
  43 #
  44 
  45 verify_runnable "global"
  46 
  47 function cleanup
  48 {
  49         typeset dumpdev=$(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 
  67 function 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 $volume@snap0
  82 }
  83 
  84 log_assert "Verify the ability to take snapshots of zvols used as dump or swap."
  85 log_onexit cleanup
  86 
  87 voldev=/dev/zvol/dsk/$TESTPOOL/$TESTVOL
  88 savedumpdev=$(get_dumpdevice)
  89 
  90 # create snapshot over dump zvol
  91 safe_dumpadm $voldev
  92 log_must is_zvol_dumpified $TESTPOOL/$TESTVOL
  93 
  94 verify_snapshot $TESTPOOL/$TESTVOL
  95 
  96 safe_dumpadm $savedumpdev
  97 log_mustnot is_zvol_dumpified $TESTPOOL/$TESTVOL
  98 
  99 # create snapshot over swap zvol
 100 
 101 log_must $SWAP -a $voldev
 102 log_mustnot is_zvol_dumpified $TESTPOOL/$TESTVOL
 103 
 104 verify_snapshot $TESTPOOL/$TESTVOL
 105 
 106 log_must $SWAP -d $voldev
 107 log_mustnot is_zvol_dumpified $TESTPOOL/$TESTVOL
 108 
 109 log_pass "Creating snapshots from dump/swap zvols succeeds."