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 # ddf needs bigger devices as 32Meg is reserved!
  43 ddfsize=65536
  44
  45 cleanup() {
  46         udevadm settle
  47         $mdadm -Ssq
  48         for d in 0 1 2 3 4 5 6 7  8 9 10 11 12
  49         do
  50            losetup -d /dev/loop$d ; # rm -f $targetdir/mdtest$d
  51         done
  52 }
  53
  54 trap cleanup 0 1 2 3 15
  55
  56 devlist=
  57 for d in 0 1 2 3 4 5 6 7 8 9 10 11 12
  58 do
  59    sz=$size
  60    if [ $d -gt 7 ]; then sz=$ddfsize ; fi
  61    [ -f $targetdir/mdtest$d ] || dd if=/dev/zero of=$targetdir/mdtest$d count=$sz bs=1K > /dev/null 2>&1
  62    [ -b /dev/loop$d ] || mknod /dev/loop$d b 7 $d
  63    if [ $d -eq 7 ]
  64    then
  65      losetup /dev/loop$d $targetdir/mdtest6 # for multipath use
  66    else
  67      losetup /dev/loop$d $targetdir/mdtest$d
  68    fi
  69    eval dev$d=/dev/loop$d
  70    eval file$d=$targetdir/mdtest$d
  71    eval devlist=\"\$devlist \$dev$d\"
  72    #" <-- add this quote to un-confuse vim syntax highlighting
  73 done
  74 path0=$dev6
  75 path1=$dev7
  76
  77 echo 2000 > /proc/sys/dev/raid/speed_limit_max
  78 echo 0 > /sys/module/md_mod/parameters/start_ro
  79
  80 if [ " $1" = " setup" ]
  81 then trap 0 ; exit 0
  82 fi
  83
  84 # mdadm always adds --quiet, and we want to see any unexpected messages
  85 mdadm() {
  86     rm -f $targetdir/stderr
  87     case $* in
  88        *-S* ) udevadm settle;;
  89     esac
  90     case $* in
  91        *-C* ) $mdadm 2> $targetdir/stderr --quiet "$@" --auto=yes;;
  92         * )   $mdadm 2> $targetdir/stderr --quiet "$@"
  93     esac
  94     rv=$?
  95     cat >&2 $targetdir/stderr
  96     return $rv
  97 }
  98
  99 # check various things
 100 check() {
 101    case $1 in
 102     spares )
 103        spares=`tr '] ' '\012\012' < /proc/mdstat | grep -c '(S)' || exit 0`
 104        if [ $spares -ne $2 ]
 105        then
 106           echo >&2 "ERROR expected $2 spares, found $spares"; exit 1;
 107        fi
 108       ;;
 109     raid* | linear )
 110       grep -s "active $1 " /proc/mdstat > /dev/null || {
 111                 echo >&2 "ERROR active $1 not found" ; cat /proc/mdstat ; exit 1;}
 112      ;;
 113     resync | recovery | reshape)
 114       sleep 0.5
 115       grep -s $1 /proc/mdstat > /dev/null || {
 116                 echo >&2 ERROR no $1 happening; cat /proc/mdstat; exit 1; }
 117      ;;
 118
 119      nosync )
 120        sleep 0.5
 121        if grep -s -E '(resync|recovery|reshape) =' > /dev/null /proc/mdstat ; then
 122            echo >&2 "ERROR resync or recovery is happening!"; cat /proc/mdstat ; exit 1;
 123        fi
 124      ;;
 125
 126     wait )
 127       sleep 0.1
 128       while grep -E '(resync|recovery|reshape|check|repair) =' > /dev/null /proc/mdstat
 129       do sleep 2;
 130       done
 131       ;;
 132
 133     state )
 134        grep -s "blocks.*\[$2\]\$" /proc/mdstat > /dev/null || {
 135                 echo >&2 "ERROR state $2 not found!"; cat /proc/mdstat ; exit 1; }
 136        sleep 0.5
 137       ;;
 138
 139     bitmap )
 140        grep -s bitmap > /dev/null /proc/mdstat || {
 141            echo >&2 ERROR no bitmap ; cat /proc/mdstat ; exit 1; }
 142       ;;
 143     nobitmap )
 144        if grep -s "bitmap" > /dev/null /proc/mdstat
 145        then
 146            echo >&2 ERROR bitmap present ; cat /proc/mdstat ; exit 1;
 147        fi
 148       ;;
 149
 150     * ) echo >&2 ERROR unknown check $1 ; exit 1;
 151    esac
 152 }
 153
 154 no_errors() {
 155   if [ -s $targetdir/stderr ]
 156   then echo Bad errors from mdadm: ; cat $targetdir/stderr; exit 2;
 157   fi
 158 }
 159 # basic device test
 160
 161 testdev() {
 162    dev=$1
 163    cnt=$2
 164    dvsize=$3
 165    chunk=$4
 166    mkfs -j $dev > /dev/null 2>&1 && fsck -fn $dev >&2
 167    dsize=$[dvsize/chunk]
 168    dsize=$[dsize*chunk]
 169    rasize=$[dsize*2*cnt]
 170    if [ `/sbin/blockdev --getsize $dev` -eq 0 ]; then sleep 2 ; fi
 171    if [ $rasize -ne `/sbin/blockdev --getsize $dev` ]
 172    then
 173      echo "ERROR: size is wrong for $dev: $cnt * $dvsize (chunk=$chunk) = $rasize, not `/sbin/blockdev --getsize $dev`"
 174      exit 1
 175    fi
 176 }
 177
 178 rotest() {
 179   dev=$1
 180   fsck -fn $dev >&2
 181 }
 182
 183 setup_environment() {
 184    if [ -f $1 ]; then
 185       . $environment
 186       setup_env
 187    fi
 188 }
 189
 190 reset_environment() {
 191    if [ -f $1 ]; then
 192       reset_env
 193       unset setup_env
 194       unset reset_env
 195    fi
 196 }
 197
 198 for script in tests/$prefix tests/$prefix*[^~]
 199 do
 200   if [ -f "$script" ]
 201   then
 202    rm -f $targetdir/stderr
 203    # stop all arrays, just incase some script left an array active.
 204    mdadm -Ssq
 205    mdadm --zero $devlist 2> /dev/null
 206    mdadm --zero $devlist 2> /dev/null
 207    environment="tests/env-`basename $script`"
 208    setup_environment $environment
 209    # source script in a subshell, so it has access to our
 210    # namespace, but cannot change it.
 211    if ( set -ex ; . $script )  2> $targetdir/log
 212    then echo "$script succeeded"
 213    else cat $targetdir/log ; cat $targetdir/stderr
 214         echo "$script failed"
 215         reset_environment $environment
 216        exit 1
 217    fi
 218    reset_environment $environment
 219   fi
 220 done
 221 exit 0