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
  25 # We test mdadm on loop-back block devices.
  26 # dir for storing files should be settable by command line maybe
  27 targetdir=/var/tmp
  28 size=20000
  29 mdsize0=19904
  30 mdsize1=19992
  31 mdsize11=19996
  32 mdsize12=19992
  33
  34 cleanup() {
  35         $mdadm -Ss
  36         for d in 0 1 2 3 4 5 6 7
  37         do
  38            losetup -d /dev/loop$d ; # rm -f $targetdir/mdtest$d
  39         done
  40 }
  41
  42 trap cleanup 0 1 2 3 15
  43
  44 devlist=
  45 for d in 0 1 2 3 4 5 6 7
  46 do
  47    [ -f $targetdir/mdtest$d ] || dd if=/dev/zero of=$targetdir/mdtest$d count=$size bs=1K > /dev/null 2>&1
  48    [ -b /dev/loop$d ] || mknod /dev/loop$d b 7 $d
  49    if [ $d -eq 7 ]
  50    then
  51      losetup /dev/loop$d $targetdir/mdtest6 # for multipath use
  52    else
  53      losetup /dev/loop$d $targetdir/mdtest$d
  54    fi
  55    eval dev$d=/dev/loop$d
  56    eval file$d=$targetdir/mdtest$d
  57    eval devlist=\"\$devlist \$dev$d\"
  58 done
  59 path0=$dev6
  60 path1=$dev7
  61
  62 if [ " $1" = " setup" ]
  63 then trap 0 ; exit 0
  64 fi
  65
  66 # mdadm always adds --quiet, and we want to see any unexpected messages
  67 mdadm() {
  68     rm -f $targetdir/stderr
  69     case $* in
  70        *-C* ) $mdadm 2> $targetdir/stderr --quiet "$@" --auto=yes;;
  71         * )   $mdadm 2> $targetdir/stderr --quiet "$@"
  72     esac
  73     cat >&2 $targetdir/stderr
  74 }
  75
  76 # check various things
  77 check() {
  78    case $1 in
  79     spares )
  80        spares=`tr '] ' '\012\012' < /proc/mdstat | grep -c '(S)' || exit 0`
  81        if [ $spares -ne $2 ]
  82        then
  83           echo >&2 "ERROR expected $2 spares, found $spares"; exit 1;
  84        fi
  85       ;;
  86     raid* | linear )
  87       grep -s "active $1 " /proc/mdstat > /dev/null || {
  88                 echo >&2 "ERROR active $1 not found" ; cat /proc/mdstat ; exit 1;}
  89      ;;
  90     resync | recovery )
  91       sleep 0.5
  92       grep -s $1 /proc/mdstat > /dev/null || {
  93                 echo >&2 ERROR no $1 happening; cat /proc/mdstat; exit 1; }
  94      ;;
  95
  96      nosync )
  97        sleep 0.5
  98        if grep -s 're[synccovery]* =' > /dev/null /proc/mdstat ; then
  99            echo >&2 "ERROR resync or recovery is happening!"; cat /proc/mdstat ; exit 1;
 100        fi
 101      ;;
 102
 103     wait )
 104       sleep 0.1
 105       while grep 're[synccovery]* =' > /dev/null /proc/mdstat
 106       do sleep 2;
 107       done
 108       ;;
 109
 110     state )
 111        grep -s "blocks.*\[$2\]\$" /proc/mdstat > /dev/null || {
 112                 echo >&2 "ERROR state $2 not found!"; cat /proc/mdstat ; exit 1; }
 113        sleep 0.5
 114       ;;
 115
 116     bitmap )
 117        grep -s bitmap > /dev/null /proc/mdstat || {
 118            echo >&2 ERROR no bitmap ; cat /proc/mdstat ; exit 1; }
 119       ;;
 120     nobitmap )
 121        if grep -s "bitmap" > /dev/null /proc/mdstat
 122        then
 123            echo >&2 ERROR bitmap present ; cat /proc/mdstat ; exit 1;
 124        fi
 125       ;;
 126
 127     * ) echo >&2 ERROR unknown check $1 ; exit 1;
 128    esac
 129 }
 130
 131 no_errors() {
 132   if [ -s $targetdir/stderr ]
 133   then echo Bad errors from mdadm: ; cat $targetdir/stderr; exit 2;
 134   fi
 135 }
 136 # basic device test
 137
 138 testdev() {
 139    dev=$1
 140    cnt=$2
 141    dvsize=$3
 142    chunk=$4
 143    mkfs -j $dev > /dev/null 2>&1 && fsck -fn $dev >&2
 144    dsize=$[dvsize/chunk]
 145    dsize=$[dsize*chunk]
 146    rasize=$[dsize*2*cnt]
 147    if [ $rasize -ne `/sbin/blockdev --getsize $dev` ]
 148    then
 149      echo "ERROR: size is wrong for $dev: $cnt * $dvsize (chunk=$chunk) = $rasize, not `/sbin/blockdev --getsize $dev`"
 150      exit 1
 151    fi
 152 }
 153
 154 rotest() {
 155   dev=$1
 156   fsck -fn $dev >&2
 157 }
 158
 159
 160
 161 for script in tests/$prefix tests/$prefix*[^~]
 162 do
 163   if [ -f "$script" ]
 164   then
 165    rm -f $targetdir/stderr
 166    # source script in a subshell, so it has access to our
 167    # namespace, but cannot change it.
 168    if ( set -ex ; . $script )  2> $targetdir/log
 169    then echo "$script succeeded"
 170    else cat $targetdir/log ; cat $targetdir/stderr
 171         echo "$script failed"
 172        exit 1
 173    fi
 174   fi
 175 done
 176 exit 0