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 mdp0=/dev/md_d0
  25 mdp1=/dev/md_d1
  26
  27 # We test mdadm on loop-back block devices.
  28 # dir for storing files should be settable by command line maybe
  29 targetdir=/var/tmp
  30 size=20000
  31 # super0, round down to multiple of 64 and substract 64
  32 mdsize0=19904
  33 # super00 is nested, subtract 128
  34 mdsize00=19840
  35 # super1.0 round down to multiple of 2, subtract 8
  36 mdsize1=19992
  37 # subtract another 4 for bitmaps
  38 mdsize1b=19988
  39 mdsize11=19992
  40 mdsize12=19988
  41
  42 cleanup() {
  43         $mdadm -Ss
  44         for d in 0 1 2 3 4 5 6 7
  45         do
  46            losetup -d /dev/loop$d ; # rm -f $targetdir/mdtest$d
  47         done
  48 }
  49
  50 trap cleanup 0 1 2 3 15
  51
  52 devlist=
  53 for d in 0 1 2 3 4 5 6 7
  54 do
  55    [ -f $targetdir/mdtest$d ] || dd if=/dev/zero of=$targetdir/mdtest$d count=$size bs=1K > /dev/null 2>&1
  56    [ -b /dev/loop$d ] || mknod /dev/loop$d b 7 $d
  57    if [ $d -eq 7 ]
  58    then
  59      losetup /dev/loop$d $targetdir/mdtest6 # for multipath use
  60    else
  61      losetup /dev/loop$d $targetdir/mdtest$d
  62    fi
  63    eval dev$d=/dev/loop$d
  64    eval file$d=$targetdir/mdtest$d
  65    eval devlist=\"\$devlist \$dev$d\"
  66 done
  67 path0=$dev6
  68 path1=$dev7
  69
  70 echo 2000 > /proc/sys/dev/raid/speed_limit_max
  71 echo 0 > /sys/module/md_mod/parameters/start_ro
  72
  73 if [ " $1" = " setup" ]
  74 then trap 0 ; exit 0
  75 fi
  76
  77 # mdadm always adds --quiet, and we want to see any unexpected messages
  78 mdadm() {
  79     rm -f $targetdir/stderr
  80     case $* in
  81        *-C* ) $mdadm 2> $targetdir/stderr --quiet "$@" --auto=yes;;
  82         * )   $mdadm 2> $targetdir/stderr --quiet "$@"
  83     esac
  84     cat >&2 $targetdir/stderr
  85 }
  86
  87 # check various things
  88 check() {
  89    case $1 in
  90     spares )
  91        spares=`tr '] ' '\012\012' < /proc/mdstat | grep -c '(S)' || exit 0`
  92        if [ $spares -ne $2 ]
  93        then
  94           echo >&2 "ERROR expected $2 spares, found $spares"; exit 1;
  95        fi
  96       ;;
  97     raid* | linear )
  98       grep -s "active $1 " /proc/mdstat > /dev/null || {
  99                 echo >&2 "ERROR active $1 not found" ; cat /proc/mdstat ; exit 1;}
 100      ;;
 101     resync | recovery | reshape)
 102       sleep 0.5
 103       grep -s $1 /proc/mdstat > /dev/null || {
 104                 echo >&2 ERROR no $1 happening; cat /proc/mdstat; exit 1; }
 105      ;;
 106
 107      nosync )
 108        sleep 0.5
 109        if grep -s -E '(resync|recovery|reshape) =' > /dev/null /proc/mdstat ; then
 110            echo >&2 "ERROR resync or recovery is happening!"; cat /proc/mdstat ; exit 1;
 111        fi
 112      ;;
 113
 114     wait )
 115       sleep 0.1
 116       while grep -E '(resync|recovery|reshape|check|repair) =' > /dev/null /proc/mdstat
 117       do sleep 2;
 118       done
 119       ;;
 120
 121     state )
 122        grep -s "blocks.*\[$2\]\$" /proc/mdstat > /dev/null || {
 123                 echo >&2 "ERROR state $2 not found!"; cat /proc/mdstat ; exit 1; }
 124        sleep 0.5
 125       ;;
 126
 127     bitmap )
 128        grep -s bitmap > /dev/null /proc/mdstat || {
 129            echo >&2 ERROR no bitmap ; cat /proc/mdstat ; exit 1; }
 130       ;;
 131     nobitmap )
 132        if grep -s "bitmap" > /dev/null /proc/mdstat
 133        then
 134            echo >&2 ERROR bitmap present ; cat /proc/mdstat ; exit 1;
 135        fi
 136       ;;
 137
 138     * ) echo >&2 ERROR unknown check $1 ; exit 1;
 139    esac
 140 }
 141
 142 no_errors() {
 143   if [ -s $targetdir/stderr ]
 144   then echo Bad errors from mdadm: ; cat $targetdir/stderr; exit 2;
 145   fi
 146 }
 147 # basic device test
 148
 149 testdev() {
 150    dev=$1
 151    cnt=$2
 152    dvsize=$3
 153    chunk=$4
 154    mkfs -j $dev > /dev/null 2>&1 && fsck -fn $dev >&2
 155    dsize=$[dvsize/chunk]
 156    dsize=$[dsize*chunk]
 157    rasize=$[dsize*2*cnt]
 158    if [ `/sbin/blockdev --getsize $dev` -eq 0 ]; then sleep 2 ; fi
 159    if [ $rasize -ne `/sbin/blockdev --getsize $dev` ]
 160    then
 161      echo "ERROR: size is wrong for $dev: $cnt * $dvsize (chunk=$chunk) = $rasize, not `/sbin/blockdev --getsize $dev`"
 162      exit 1
 163    fi
 164 }
 165
 166 rotest() {
 167   dev=$1
 168   fsck -fn $dev >&2
 169 }
 170
 171
 172
 173 for script in tests/$prefix tests/$prefix*[^~]
 174 do
 175   if [ -f "$script" ]
 176   then
 177    rm -f $targetdir/stderr
 178    # stop all arrays, just incase some script left an array active.
 179    mdadm -Ssq
 180    # source script in a subshell, so it has access to our
 181    # namespace, but cannot change it.
 182    if ( set -ex ; . $script )  2> $targetdir/log
 183    then echo "$script succeeded"
 184    else cat $targetdir/log ; cat $targetdir/stderr
 185         echo "$script failed"
 186        exit 1
 187    fi
 188   fi
 189 done
 190 exit 0