debian/tests/kernel-smoke-test-scrub

   1 #!/bin/sh
   2 #
   3 # Copyright (C) 2016 Canonical
   4 #
   5 # This program is free software; you can redistribute it and/or
   6 # modify it under the terms of the GNU General Public License
   7 # as published by the Free Software Foundation; either version 2
   8 # of the License, or (at your option) any later version.
   9 #
  10 # This program is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 # GNU General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with this program; if not, write to the Free Software
  17 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18 #
  19 echo -n "kernel smoke test, corrupt data and clean with a scrub: "
  20 TMP=/tmp
  21 VDEV0=${TMP}/pool0-$$.img
  22 VDEV1=${TMP}/pool1-$$.img
  23 VDEV2=${TMP}/pool2-$$.img
  24 VDEV3=${TMP}/pool3-$$.img
  25 VDEV_SZ=128
  26 POOL=pool-smoke-$$
  27 DATA=/${POOL}/random.dat
  28 ZFSFS="test tmp example data1 data2 data3"
  29
  30 dd if=/dev/zero of=${VDEV0} bs=1M count=${VDEV_SZ} > /dev/null 2>&1
  31 dd if=/dev/zero of=${VDEV1} bs=1M count=${VDEV_SZ} > /dev/null 2>&1
  32 dd if=/dev/zero of=${VDEV2} bs=1M count=${VDEV_SZ} > /dev/null 2>&1
  33 dd if=/dev/zero of=${VDEV3} bs=1M count=${VDEV_SZ} > /dev/null 2>&1
  34
  35 zpool create ${POOL} mirror ${VDEV0} ${VDEV1} mirror ${VDEV2} ${VDEV3}
  36 ret=$?
  37 if [ $ret -ne 0 ]; then
  38         echo "FAILED: zpool create failed, exit code=$ret"
  39         rm ${VDEV0} ${VDEV1} ${VDEV2} ${VDEV3}
  40         exit 1
  41 fi
  42
  43 #
  44 # Create a file
  45 #
  46 dd if=/dev/urandom of=$DATA bs=1M count=64 > /dev/null 2>&1
  47 sum1=$(md5sum ${DATA} | awk '{print $1}')
  48
  49 #
  50 # Corrupt VDEV0
  51 #
  52 dd if=/dev/zero of=${VDEV0} bs=1M count=${VDEV_SZ} > /dev/null 2>&1
  53 sync
  54
  55 #
  56 # Offline "corrupted" VDEV
  57 #
  58 zpool detach ${POOL} ${VDEV0}
  59 ret=$?
  60 if [ $ret -ne 0 ]; then
  61         echo "FAILED: zpool detach failed, exit code=$ret"
  62         zpool destroy ${POOL}
  63         rm ${VDEV0} ${VDEV1} ${VDEV2} ${VDEV3}
  64         exit 1
  65 fi
  66
  67 #
  68 # Zero corrupted VDEV and re-attach
  69 #
  70 dd if=/dev/zero of=${VDEV0} bs=1M count=${VDEV_SZ} > /dev/null 2>&1
  71 zpool attach ${POOL} ${VDEV1} ${VDEV0} -f
  72 ret=$?
  73 if [ $ret -ne 0 ]; then
  74         echo "FAILED: zpool attach failed, exit code=$ret"
  75         zpool destroy ${POOL}
  76         rm ${VDEV0} ${VDEV1} ${VDEV2} ${VDEV3}
  77         exit 1
  78 fi
  79
  80 zpool scrub ${POOL}
  81 ret=$?
  82 if [ $ret -ne 0 ]; then
  83         echo "FAILED: zpool scrub failed, exit code=$ret"
  84         zpool destroy ${POOL}
  85         rm ${VDEV0} ${VDEV1} ${VDEV2} ${VDEV3}
  86         exit 1
  87 fi
  88
  89 sum2=$(md5sum ${DATA} | awk '{print $1}')
  90 #
  91 # Checksums must agree
  92 #
  93 if [ x"$sum1" != x"$sum2" ]; then
  94         echo "FAILED: corrupted data on scrubbed pool"
  95         zpool destroy ${POOL}
  96         rm ${VDEV0} ${VDEV1} ${VDEV2} ${VDEV3}
  97         exit 1
  98 fi
  99
 100 zpool destroy ${POOL}
 101 ret=$?
 102 if [ $ret -ne 0 ]; then
 103         echo "FAILED: zpool destroy failed, exit code=$ret"
 104         #
 105         # destroy failed, try to clean up, but this
 106         # wil probably fail
 107         #
 108         rm ${VDEV0} ${VDEV1} ${VDEV2} ${VDEV3}
 109         exit 1
 110 fi
 111
 112 rm ${VDEV0} ${VDEV1} ${VDEV2} ${VDEV3}
 113 echo "PASSED"
 114 exit 0