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