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 ulimit -c unlimited
  78 [ -f /proc/mdstat ] || modprobe md_mod
  79 echo 2000 > /proc/sys/dev/raid/speed_limit_max
  80 echo 0 > /sys/module/md_mod/parameters/start_ro
  81
  82 if [ " $1" = " setup" ]
  83 then trap 0 ; exit 0
  84 fi
  85
  86 # mdadm always adds --quiet, and we want to see any unexpected messages
  87 mdadm() {
  88     rm -f $targetdir/stderr
  89     case $* in
  90        *-S* ) udevadm settle;;
  91     esac
  92     case $* in
  93        *-C* ) $mdadm 2> $targetdir/stderr --quiet "$@" --auto=yes;;
  94         * )   $mdadm 2> $targetdir/stderr --quiet "$@"
  95     esac
  96     rv=$?
  97     cat >&2 $targetdir/stderr
  98     return $rv
  99 }
 100
 101 # check various things
 102 check() {
 103    case $1 in
 104     spares )
 105        spares=`tr '] ' '\012\012' < /proc/mdstat | grep -c '(S)' || exit 0`
 106        if [ $spares -ne $2 ]
 107        then
 108           echo >&2 "ERROR expected $2 spares, found $spares"; exit 1;
 109        fi
 110       ;;
 111     raid* | linear )
 112       grep -s "active $1 " /proc/mdstat > /dev/null || {
 113                 echo >&2 "ERROR active $1 not found" ; cat /proc/mdstat ; exit 1;}
 114      ;;
 115     resync | recovery | reshape)
 116       sleep 0.5
 117       grep -s $1 /proc/mdstat > /dev/null || {
 118                 echo >&2 ERROR no $1 happening; cat /proc/mdstat; exit 1; }
 119      ;;
 120
 121      nosync )
 122        sleep 0.5
 123        if grep -s -E '(resync|recovery|reshape) =' > /dev/null /proc/mdstat ; then
 124            echo >&2 "ERROR resync or recovery is happening!"; cat /proc/mdstat ; exit 1;
 125        fi
 126      ;;
 127
 128     wait )
 129       sleep 0.1
 130       while grep -E '(resync|recovery|reshape|check|repair) =' > /dev/null /proc/mdstat
 131       do sleep 2;
 132       done
 133       ;;
 134
 135     state )
 136        grep -s "blocks.*\[$2\]\$" /proc/mdstat > /dev/null || {
 137                 echo >&2 "ERROR state $2 not found!"; cat /proc/mdstat ; exit 1; }
 138        sleep 0.5
 139       ;;
 140
 141     bitmap )
 142        grep -s bitmap > /dev/null /proc/mdstat || {
 143            echo >&2 ERROR no bitmap ; cat /proc/mdstat ; exit 1; }
 144       ;;
 145     nobitmap )
 146        if grep -s "bitmap" > /dev/null /proc/mdstat
 147        then
 148            echo >&2 ERROR bitmap present ; cat /proc/mdstat ; exit 1;
 149        fi
 150       ;;
 151
 152     * ) echo >&2 ERROR unknown check $1 ; exit 1;
 153    esac
 154 }
 155
 156 no_errors() {
 157   if [ -s $targetdir/stderr ]
 158   then echo Bad errors from mdadm: ; cat $targetdir/stderr; exit 2;
 159   fi
 160 }
 161 # basic device test
 162
 163 testdev() {
 164    dev=$1
 165    cnt=$2
 166    dvsize=$3
 167    chunk=$4
 168    mkfs -j $dev > /dev/null 2>&1 && fsck -fn $dev >&2
 169    dsize=$[dvsize/chunk]
 170    dsize=$[dsize*chunk]
 171    rasize=$[dsize*2*cnt]
 172    if [ `/sbin/blockdev --getsize $dev` -eq 0 ]; then sleep 2 ; fi
 173    if [ $rasize -ne `/sbin/blockdev --getsize $dev` ]
 174    then
 175      echo "ERROR: size is wrong for $dev: $cnt * $dvsize (chunk=$chunk) = $rasize, not `/sbin/blockdev --getsize $dev`"
 176      exit 1
 177    fi
 178 }
 179
 180 rotest() {
 181   dev=$1
 182   fsck -fn $dev >&2
 183 }
 184
 185 setup_environment() {
 186    if [ -f $1 ]; then
 187       . $environment
 188       setup_env
 189    fi
 190 }
 191
 192 reset_environment() {
 193    if [ -f $1 ]; then
 194       reset_env
 195       unset setup_env
 196       unset reset_env
 197    fi
 198 }
 199
 200 for script in tests/$prefix tests/$prefix*[^~]
 201 do
 202   if [ -f "$script" ]
 203   then
 204    rm -f $targetdir/stderr
 205    # stop all arrays, just incase some script left an array active.
 206    mdadm -Ssq
 207    mdadm --zero $devlist 2> /dev/null
 208    mdadm --zero $devlist 2> /dev/null
 209    environment="tests/env-`basename $script`"
 210    setup_environment $environment
 211    # source script in a subshell, so it has access to our
 212    # namespace, but cannot change it.
 213    if ( set -ex ; . $script )  2> $targetdir/log
 214    then echo "$script succeeded"
 215    else cat $targetdir/log ; cat $targetdir/stderr
 216         echo "$script failed"
 217         reset_environment $environment
 218        exit 1
 219    fi
 220    reset_environment $environment
 221   fi
 222 done
 223 exit 0