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 # super1.1 for linear: round to multiple of 2, subtract 4
  38 mdsize1_l=19996
  39 # subtract another 4 for bitmaps
  40 mdsize1b=19988
  41 mdsize11=19992
  42 mdsize12=19988
  43
  44 # ddf needs bigger devices as 32Meg is reserved!
  45 ddfsize=65536
  46
  47 cleanup() {
  48         udevadm settle
  49         $mdadm -Ssq
  50         for d in 0 1 2 3 4 5 6 7  8 9 10 11 12
  51         do
  52            losetup -d /dev/loop$d ; # rm -f $targetdir/mdtest$d
  53         done
  54 }
  55
  56 trap cleanup 0 1 2 3 15
  57
  58 devlist=
  59 for d in 0 1 2 3 4 5 6 7 8 9 10 11 12
  60 do
  61    sz=$size
  62    if [ $d -gt 7 ]; then sz=$ddfsize ; fi
  63    [ -f $targetdir/mdtest$d ] || dd if=/dev/zero of=$targetdir/mdtest$d count=$sz bs=1K > /dev/null 2>&1
  64    [ -b /dev/loop$d ] || mknod /dev/loop$d b 7 $d
  65    if [ $d -eq 7 ]
  66    then
  67      losetup /dev/loop$d $targetdir/mdtest6 # for multipath use
  68    else
  69      losetup /dev/loop$d $targetdir/mdtest$d
  70    fi
  71    eval dev$d=/dev/loop$d
  72    eval file$d=$targetdir/mdtest$d
  73    eval devlist=\"\$devlist \$dev$d\"
  74    #" <-- add this quote to un-confuse vim syntax highlighting
  75 done
  76 path0=$dev6
  77 path1=$dev7
  78
  79 ulimit -c unlimited
  80 [ -f /proc/mdstat ] || modprobe md_mod
  81 echo 2000 > /proc/sys/dev/raid/speed_limit_max
  82 echo 0 > /sys/module/md_mod/parameters/start_ro
  83
  84 if [ " $1" = " setup" ]
  85 then trap 0 ; exit 0
  86 fi
  87
  88 # mdadm always adds --quiet, and we want to see any unexpected messages
  89 mdadm() {
  90     rm -f $targetdir/stderr
  91     case $* in
  92        *-S* ) udevadm settle;;
  93     esac
  94     case $* in
  95        *-C* ) $mdadm 2> $targetdir/stderr --quiet "$@" --auto=yes;;
  96         * )   $mdadm 2> $targetdir/stderr --quiet "$@"
  97     esac
  98     rv=$?
  99     cat >&2 $targetdir/stderr
 100     return $rv
 101 }
 102
 103 # check various things
 104 check() {
 105    case $1 in
 106     spares )
 107        spares=`tr '] ' '\012\012' < /proc/mdstat | grep -c '(S)' || exit 0`
 108        if [ $spares -ne $2 ]
 109        then
 110           echo >&2 "ERROR expected $2 spares, found $spares"; exit 1;
 111        fi
 112       ;;
 113     raid* | linear )
 114       grep -s "active $1 " /proc/mdstat > /dev/null || {
 115                 echo >&2 "ERROR active $1 not found" ; cat /proc/mdstat ; exit 1;}
 116      ;;
 117     resync | recovery | reshape)
 118       sleep 0.5
 119       grep -s $1 /proc/mdstat > /dev/null || {
 120                 echo >&2 ERROR no $1 happening; cat /proc/mdstat; exit 1; }
 121      ;;
 122
 123      nosync )
 124        sleep 0.5
 125        if grep -s -E '(resync|recovery|reshape) =' > /dev/null /proc/mdstat ; then
 126            echo >&2 "ERROR resync or recovery is happening!"; cat /proc/mdstat ; exit 1;
 127        fi
 128      ;;
 129
 130     wait )
 131       sleep 0.1
 132       while grep -E '(resync|recovery|reshape|check|repair) =' > /dev/null /proc/mdstat
 133       do sleep 2;
 134       done
 135       ;;
 136
 137     state )
 138        grep -s "blocks.*\[$2\]\$" /proc/mdstat > /dev/null || {
 139                 echo >&2 "ERROR state $2 not found!"; cat /proc/mdstat ; exit 1; }
 140        sleep 0.5
 141       ;;
 142
 143     bitmap )
 144        grep -s bitmap > /dev/null /proc/mdstat || {
 145            echo >&2 ERROR no bitmap ; cat /proc/mdstat ; exit 1; }
 146       ;;
 147     nobitmap )
 148        if grep -s "bitmap" > /dev/null /proc/mdstat
 149        then
 150            echo >&2 ERROR bitmap present ; cat /proc/mdstat ; exit 1;
 151        fi
 152       ;;
 153
 154     * ) echo >&2 ERROR unknown check $1 ; exit 1;
 155    esac
 156 }
 157
 158 no_errors() {
 159   if [ -s $targetdir/stderr ]
 160   then echo Bad errors from mdadm: ; cat $targetdir/stderr; exit 2;
 161   fi
 162 }
 163 # basic device test
 164
 165 testdev() {
 166    udevadm settle
 167    dev=$1
 168    cnt=$2
 169    dvsize=$3
 170    chunk=$4
 171    if [ -z "$5" ]; then
 172       mkfs -j $dev > /dev/null 2>&1 && fsck -fn $dev >&2
 173    fi
 174    dsize=$[dvsize/chunk]
 175    dsize=$[dsize*chunk]
 176    rasize=$[dsize*2*cnt]
 177    # rasize is in sectors
 178    if [ -n "$DEV_ROUND_K" ]; then
 179       rasize=$[rasize/DEV_ROUND_K/2]
 180       rasize=$[rasize*DEV_ROUND_K*2]
 181    fi
 182    if [ `/sbin/blockdev --getsize $dev` -eq 0 ]; then sleep 2 ; fi
 183    if [ $rasize -ne `/sbin/blockdev --getsize $dev` ]
 184    then
 185      echo "ERROR: size is wrong for $dev: $cnt * $dvsize (chunk=$chunk) = $rasize, not `/sbin/blockdev --getsize $dev`"
 186      exit 1
 187    fi
 188 }
 189
 190 rotest() {
 191   dev=$1
 192   fsck -fn $dev >&2
 193 }
 194
 195 setup_environment() {
 196    if [ -f $1 ]; then
 197       . $environment
 198       setup_env
 199    fi
 200 }
 201
 202 reset_environment() {
 203    if [ -f $1 ]; then
 204       reset_env
 205       unset setup_env
 206       unset reset_env
 207    fi
 208 }
 209
 210 for script in tests/$prefix tests/$prefix*[^~]
 211 do
 212   if [ -f "$script" ]
 213   then
 214    rm -f $targetdir/stderr
 215    # stop all arrays, just incase some script left an array active.
 216    mdadm -Ssq
 217    mdadm --zero $devlist 2> /dev/null
 218    mdadm --zero $devlist 2> /dev/null
 219    environment="tests/env-`basename $script`"
 220    setup_environment $environment
 221    # source script in a subshell, so it has access to our
 222    # namespace, but cannot change it.
 223    if ( set -ex ; . $script )  2> $targetdir/log
 224    then echo "$script succeeded"
 225    else cat $targetdir/log ; cat $targetdir/stderr
 226         echo "$script failed"
 227         reset_environment $environment
 228        exit 1
 229    fi
 230    reset_environment $environment
 231   fi
 232 done
 233 exit 0