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         $mdadm -Ss
  36         for d in 0 1 2 3 4 5 6 7
  37         do losetup -d /dev/loop$d ; # rm -f $targetdir/mdtest$d
  38         done
  39 }
  40
  41 trap cleanup 0 1 2 3 15
  42
  43 devlist=
  44 for d in 0 1 2 3 4 5 6 7
  45 do
  46    [ -f $targetdir/mdtest$d ] || dd if=/dev/zero of=$targetdir/mdtest$d count=$size bs=1K > /dev/null 2>&1
  47    if [ $d -eq 7 ]
  48    then
  49      losetup /dev/loop$d $targetdir/mdtest6 # for multipath use
  50    else
  51      losetup /dev/loop$d $targetdir/mdtest$d
  52    fi
  53    eval dev$d=/dev/loop$d
  54    eval file$d=$targetdir/mdtest$d
  55    eval devlist=\"\$devlist \$dev$d\"
  56 done
  57 path0=$dev6
  58 path1=$dev7
  59
  60 if [ " $1" = " setup" ]
  61 then trap 0 ; exit 0
  62 fi
  63
  64 # mdadm always adds --quiet, and we want to see any unexpected messages
  65 mdadm() {
  66     case $* in
  67        *-C* ) $mdadm --quiet "$@" --auto=yes;;
  68         * )   $mdadm --quiet "$@"
  69     esac
  70 }
  71
  72 # check various things
  73 check() {
  74    case $1 in
  75     spares )
  76        spares=`tr '] ' '\012\012' < /proc/mdstat | grep -c '(S)' || exit 0`
  77        if [ $spares -ne $2 ]
  78        then
  79           echo >&2 "ERROR expected $2 spares, found $spares"; exit 1;
  80        fi
  81       ;;
  82     raid* | linear )
  83       grep -s "active $1 " /proc/mdstat > /dev/null || {
  84                 echo >&2 "ERROR active $1 not found" ; cat /proc/mdstat ; exit 1;}
  85      ;;
  86     resync | recovery )
  87       sleep 0.5
  88       grep -s $1 /proc/mdstat > /dev/null || {
  89                 echo >&2 ERROR no $1 happening; cat /proc/mdstat; exit 1; }
  90      ;;
  91
  92      nosync )
  93        sleep 0.5
  94        if grep -s 're[synccovery]* =' > /dev/null /proc/mdstat ; then
  95            echo >&2 "ERROR resync or recovery is happening!"; cat /proc/mdstat ; exit 1;
  96        fi
  97      ;;
  98
  99     wait )
 100       sleep 0.1
 101       while grep 're[synccovery]* =' > /dev/null /proc/mdstat
 102       do sleep 2;
 103       done
 104       ;;
 105
 106     state )
 107        grep -s "blocks.*\[$2\]\$" /proc/mdstat > /dev/null || {
 108                 echo >&2 "ERROR state $2 not found!"; cat /proc/mdstat ; exit 1; }
 109        sleep 0.5
 110       ;;
 111
 112     bitmap )
 113        grep -s bitmap > /dev/null /proc/mdstat || {
 114            echo >&2 ERROR no bitmap ; cat /proc/mdstat ; exit 1; }
 115       ;;
 116     nobitmap )
 117        if grep -s "bitmap" > /dev/null /proc/mdstat
 118        then
 119            echo >&2 ERROR bitmap present ; cat /proc/mdstat ; exit 1;
 120        fi
 121       ;;
 122
 123     * ) echo >&2 ERROR unknown check $1 ; exit 1;
 124    esac
 125 }
 126
 127 # basic device test
 128
 129 testdev() {
 130    dev=$1
 131    cnt=$2
 132    dvsize=$3
 133    chunk=$4
 134    mkfs -j $dev > /dev/null 2>&1 && fsck -fn $dev >&2
 135    dsize=$[dvsize/chunk]
 136    dsize=$[dsize*chunk]
 137    rasize=$[dsize*1024*cnt]
 138    if [ $rasize -ne `/sbin/blockdev --getsize64 $dev` ]
 139    then
 140      echo "ERROR: size is wrong for $dev: $cnt * $dvsize (chunk=$chunk) = $rasize, not `/sbin/blockdev --getsize64 $dev`"
 141      exit 1
 142    fi
 143 }
 144
 145 rotest() {
 146   dev=$1
 147   fsck -fn $dev >&2
 148 }
 149
 150
 151
 152 for script in tests/$prefix tests/$prefix*[^~]
 153 do
 154   if [ -f "$script" ]
 155   then
 156    # source script in a subshell, so it has access to our
 157    # namespace, but cannot change it.
 158    if ( set -ex ; . $script )  2> $targetdir/log
 159    then echo "$script succeeded"
 160    else cat $targetdir/log
 161         echo "$script failed"
 162        exit 1
 163    fi
 164   fi
 165 done
 166 exit 0