tests/zfs-tests/tests/functional/cli_root/zpool_import/zpool_import_missing_001_pos.ksh

   1 #!/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 2007 Sun Microsystems, Inc.  All rights reserved.
  25 # Use is subject to license terms.
  26 #
  27
  28 #
  29 # Copyright (c) 2012, 2016 by Delphix. All rights reserved.
  30 #
  31
  32 . $STF_SUITE/include/libtest.shlib
  33 . $STF_SUITE/tests/functional/cli_root/zfs_mount/zfs_mount.kshlib
  34 . $STF_SUITE/tests/functional/cli_root/zpool_import/zpool_import.cfg
  35
  36 #
  37 # DESCRIPTION:
  38 #       Once a pool has been exported, and one or more devices are
  39 #       damaged or missing (d/m), import should handle this kind of situation
  40 #       as described:
  41 #               - Regular, report error while any number of devices failing.
  42 #               - Mirror could withstand (N-1) devices failing
  43 #                 before data integrity is compromised
  44 #               - Raidz could withstand one devices failing
  45 #                 before data integrity is compromised
  46 #       Verify those are true.
  47 #
  48 # STRATEGY:
  49 #       1. Create test pool upon device files using the various combinations.
  50 #               - Regular pool
  51 #               - Mirror
  52 #               - Raidz
  53 #       2. Create necessary filesystem and test files.
  54 #       3. Export the test pool.
  55 #       4. Remove one or more devices
  56 #       5. Verify 'zpool import' will handle d/m device successfully.
  57 #          Using the various combinations.
  58 #               - Regular import
  59 #               - Alternate Root Specified
  60 #          It should be succeed with single d/m device upon 'raidz' & 'mirror',
  61 #          but failed against 'regular' or more d/m devices.
  62 #       6. If import succeed, verify following is true:
  63 #               - The pool shows up under 'zpool list'.
  64 #               - The pool's health should be DEGRADED.
  65 #               - It contains the correct test file
  66 #
  67
  68 verify_runnable "global"
  69
  70 set -A vdevs "" "mirror" "raidz"
  71 set -A options "" "-R $ALTER_ROOT"
  72
  73 function cleanup
  74 {
  75         # recover the vdevs
  76         recreate_files
  77
  78         [[ -d $ALTER_ROOT ]] && \
  79                 log_must rm -rf $ALTER_ROOT
  80 }
  81
  82 function recreate_files
  83 {
  84         if poolexists "$TESTPOOL1" ; then
  85                 cleanup_filesystem $TESTPOOL1 $TESTFS
  86                 destroy_pool $TESTPOOL1
  87         fi
  88
  89         log_must rm -rf $DEVICE_DIR/*
  90         typeset i=0
  91         while (( i < $MAX_NUM )); do
  92                 log_must mkfile $FILE_SIZE ${DEVICE_DIR}/${DEVICE_FILE}$i
  93                 ((i += 1))
  94         done
  95 }
  96
  97 log_onexit cleanup
  98
  99 log_assert "Verify that import could handle damaged or missing device."
 100
 101 CWD=$PWD
 102 cd $DEVICE_DIR || log_fail "Unable change directory to $DEVICE_DIR"
 103
 104 checksum1=$(sum $MYTESTFILE | awk '{print $1}')
 105
 106 typeset -i i=0
 107 typeset -i j=0
 108 typeset -i count=0
 109 typeset basedir backup
 110
 111 while (( i < ${#vdevs[*]} )); do
 112
 113         setup_filesystem "$DEVICE_FILES" \
 114                 $TESTPOOL1 $TESTFS $TESTDIR1 \
 115                 "" ${vdevs[i]}
 116
 117         backup=""
 118
 119         guid=$(get_config $TESTPOOL1 pool_guid)
 120         log_must cp $MYTESTFILE $TESTDIR1/$TESTFILE0
 121
 122         log_must zfs umount $TESTDIR1
 123
 124         j=0
 125         while (( j <  ${#options[*]} )); do
 126
 127                 count=0
 128                 action=log_must
 129
 130                 #
 131                 # Restore all device files.
 132                 #
 133                 [[ -n $backup ]] && \
 134                         log_must tar xf $DEVICE_DIR/$DEVICE_ARCHIVE
 135
 136                 for device in $DEVICE_FILES ; do
 137                         log_must rm -f $device
 138
 139                         poolexists $TESTPOOL1 && \
 140                                 log_must zpool export $TESTPOOL1
 141
 142                         #
 143                         # Backup all device files while filesystem prepared.
 144                         #
 145                         if [[ -z $backup ]]; then
 146                                 log_must tar cf $DEVICE_DIR/$DEVICE_ARCHIVE \
 147                                         ${DEVICE_FILE}*
 148                                 backup="true"
 149                         fi
 150
 151                         (( count = count + 1 ))
 152
 153                         case "${vdevs[i]}" in
 154                                 'mirror') (( count == $GROUP_NUM )) && \
 155                                                 action=log_mustnot
 156                                         ;;
 157                                 'raidz')  (( count > 1 )) && \
 158                                                 action=log_mustnot
 159                                         ;;
 160                                 '')  action=log_mustnot
 161                                         ;;
 162                         esac
 163
 164                         typeset target=$TESTPOOL1
 165                         if (( RANDOM % 2 == 0 )) ; then
 166                                 target=$guid
 167                                 log_note "Import by guid."
 168                         fi
 169                         $action zpool import \
 170                                 -d $DEVICE_DIR ${options[j]} $target
 171
 172                         [[ $action == "log_mustnot" ]] && continue
 173
 174                         log_must poolexists $TESTPOOL1
 175
 176                         health=$(zpool list -H -o health $TESTPOOL1)
 177
 178                         [[ $health == "DEGRADED" ]] || \
 179                                 log_fail "$TESTPOOL1: Incorrect health($health)"
 180                         log_must ismounted $TESTPOOL1/$TESTFS
 181
 182                         basedir=$TESTDIR1
 183                         [[ -n ${options[j]} ]] && \
 184                                 basedir=$ALTER_ROOT/$TESTDIR1
 185
 186                         [[ ! -e $basedir/$TESTFILE0 ]] && \
 187                                 log_fail "$basedir/$TESTFILE0 missing after import."
 188
 189                         checksum2=$(sum $basedir/$TESTFILE0 | awk '{print $1}')
 190                         [[ "$checksum1" != "$checksum2" ]] && \
 191                                 log_fail "Checksums differ ($checksum1 != $checksum2)"
 192
 193                 done
 194
 195                 ((j = j + 1))
 196         done
 197
 198         recreate_files
 199
 200         ((i = i + 1))
 201 done
 202
 203 log_pass "Import could handle damaged or missing device."