test

   1 #!/bin/sh
   2 #
   3 # run test suite for mdadm
   4 user=`id -un`
   5 if [ " $user" != " root" ]
   6 then echo >&2 "test: testing can only be done as 'root'."
   7      exit 1;
   8 fi
   9
  10 prefix='[0-9][0-9]'
  11 if [ -n "$1" ]
  12 then prefix=$1
  13 fi
  14
  15 dir=`pwd`
  16 mdadm=$dir/mdadm
  17 if [ \! -x $mdadm ]
  18 then
  19    echo >&2 "test: $mdadm isn't usable."
  20 fi
  21
  22 # assume md0, md1, md2 exist in /dev
  23 md0=/dev/md0 md1=/dev/md1 md2=/dev/md2
  24
  25 # We test mdadm on loop-back block devices.
  26 # dir for storing files should be settable by command line maybe
  27 targetdir=/var/tmp
  28 size=20000
  29 mdsize0=19904
  30 mdsize1=19992
  31 mdsize11=19996
  32 mdsize12=19992
  33
  34 cleanup() {
  35         $mdadm -Ss
  36         for d in 0 1 2 3 4 5 6 7
  37         do losetup -d /dev/loop$d ; # rm -f $targetdir/mdtest$d
  38         done
  39 }
  40
  41 trap cleanup 0 1 2 3 15
  42
  43 devlist=
  44 for d in 0 1 2 3 4 5 6 7
  45 do
  46    [ -f $targetdir/mdtest$d ] || dd if=/dev/zero of=$targetdir/mdtest$d count=$size bs=1K > /dev/null 2>&1
  47    if [ $d -eq 7 ]
  48    then
  49      losetup /dev/loop$d $targetdir/mdtest6 # for multipath use
  50    else
  51      losetup /dev/loop$d $targetdir/mdtest$d
  52    fi
  53    eval dev$d=/dev/loop$d
  54    eval file$d=$targetdir/mdtest$d
  55    eval devlist=\"\$devlist \$dev$d\"
  56 done
  57 path0=$dev6
  58 path1=$dev7
  59
  60
  61 # mdadm always adds --quiet, and we want to see any unexpected messages
  62 mdadm() {
  63     $mdadm --quiet "$@"
  64 }
  65
  66 # check various things
  67 check() {
  68    case $1 in
  69     spares )
  70        spares=`tr '] ' '\012\012' < /proc/mdstat | grep -c '(S)' || exit 0`
  71        if [ $spares -ne $2 ]
  72        then
  73           echo >&2 "ERROR expected $2 spares, found $spares"; exit 1;
  74        fi
  75       ;;
  76     raid* | linear )
  77       grep -s "active $1 " /proc/mdstat > /dev/null || {
  78                 echo >&2 "ERROR active $1 not found" ; cat /proc/mdstat ; exit 1;}
  79      ;;
  80     resync | recovery )
  81       sleep 0.1
  82       grep -s $1 /proc/mdstat > /dev/null || {
  83                 echo >&2 ERROR no $1 happening; cat /proc/mdstat; exit 1; }
  84      ;;
  85
  86      nosync )
  87        sleep 0.5
  88        if grep -s 're[synccovery]* =' > /dev/null /proc/mdstat ; then
  89            echo >&2 "ERROR resync or recovery is happening!"; cat /proc/mdstat ; exit 1;
  90        fi
  91      ;;
  92
  93     wait )
  94       sleep 0.1
  95       while grep 're[synccovery]* =' > /dev/null /proc/mdstat
  96       do sleep 2;
  97       done
  98       ;;
  99
 100     state )
 101        grep -s "blocks.*\[$2\]\$" /proc/mdstat > /dev/null || {
 102                 echo >&2 "ERROR state $2 not found!"; cat /proc/mdstat ; exit 1; }
 103        sleep 0.5
 104       ;;
 105
 106     bitmap )
 107        grep -s bitmap > /dev/null /proc/mdstat || {
 108            echo >&2 ERROR no bitmap ; cat /proc/mdstat ; exit 1; }
 109       ;;
 110     nobitmap )
 111        if grep -s "bitmap" > /dev/null /proc/mdstat
 112        then
 113            echo >&2 ERROR bitmap present ; cat /proc/mdstat ; exit 1;
 114        fi
 115       ;;
 116
 117     * ) echo >&2 ERROR unknown check $1 ; exit 1;
 118    esac
 119 }
 120
 121 # basic device test
 122
 123 testdev() {
 124    dev=$1
 125    cnt=$2
 126    dvsize=$3
 127    chunk=$4
 128    mkfs -j $dev > /dev/null 2>&1 && fsck -fn $dev >&2
 129    dsize=$[dvsize/chunk]
 130    dsize=$[dsize*chunk]
 131    rasize=$[dsize*1024*cnt]
 132    if [ $rasize -ne `/sbin/blockdev --getsize64 $dev` ]
 133    then
 134      echo "ERROR: size is wrong for $dev: $cnt * $dvsize (chunk=$chunk) = $rasize, not `/sbin/blockdev --getsize64 $dev`"
 135      exit 1
 136    fi
 137 }
 138
 139 rotest() {
 140   dev=$1
 141   fsck -fn $dev >&2
 142 }
 143
 144
 145
 146 for script in tests/$prefix tests/$prefix*[^~]
 147 do
 148   if [ -f "$script" ]
 149   then
 150    # source script in a subshell, so it has access to our
 151    # namespace, but cannot change it.
 152    if ( set -ex ; . $script )  2> $targetdir/log
 153    then echo "$script succeeded"
 154    else cat $targetdir/log
 155         echo "$script failed"
 156        exit 1
 157    fi
 158   fi
 159 done
 160 exit 0