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