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 # super1.0 round down to multiple of 2, subtract 8
  34 mdsize1=19992
  35 # subtract another 4 for bitmaps
  36 mdsize1b=19988
  37 mdsize11=19992
  38 mdsize12=19988
  39
  40 cleanup() {
  41         $mdadm -Ss
  42         for d in 0 1 2 3 4 5 6 7
  43         do
  44            losetup -d /dev/loop$d ; # rm -f $targetdir/mdtest$d
  45         done
  46 }
  47
  48 trap cleanup 0 1 2 3 15
  49
  50 devlist=
  51 for d in 0 1 2 3 4 5 6 7
  52 do
  53    [ -f $targetdir/mdtest$d ] || dd if=/dev/zero of=$targetdir/mdtest$d count=$size bs=1K > /dev/null 2>&1
  54    [ -b /dev/loop$d ] || mknod /dev/loop$d b 7 $d
  55    if [ $d -eq 7 ]
  56    then
  57      losetup /dev/loop$d $targetdir/mdtest6 # for multipath use
  58    else
  59      losetup /dev/loop$d $targetdir/mdtest$d
  60    fi
  61    eval dev$d=/dev/loop$d
  62    eval file$d=$targetdir/mdtest$d
  63    eval devlist=\"\$devlist \$dev$d\"
  64 done
  65 path0=$dev6
  66 path1=$dev7
  67
  68 if [ " $1" = " setup" ]
  69 then trap 0 ; exit 0
  70 fi
  71
  72 # mdadm always adds --quiet, and we want to see any unexpected messages
  73 mdadm() {
  74     rm -f $targetdir/stderr
  75     case $* in
  76        *-C* ) $mdadm 2> $targetdir/stderr --quiet "$@" --auto=yes;;
  77         * )   $mdadm 2> $targetdir/stderr --quiet "$@"
  78     esac
  79     cat >&2 $targetdir/stderr
  80 }
  81
  82 # check various things
  83 check() {
  84    case $1 in
  85     spares )
  86        spares=`tr '] ' '\012\012' < /proc/mdstat | grep -c '(S)' || exit 0`
  87        if [ $spares -ne $2 ]
  88        then
  89           echo >&2 "ERROR expected $2 spares, found $spares"; exit 1;
  90        fi
  91       ;;
  92     raid* | linear )
  93       grep -s "active $1 " /proc/mdstat > /dev/null || {
  94                 echo >&2 "ERROR active $1 not found" ; cat /proc/mdstat ; exit 1;}
  95      ;;
  96     resync | recovery )
  97       sleep 0.5
  98       grep -s $1 /proc/mdstat > /dev/null || {
  99                 echo >&2 ERROR no $1 happening; cat /proc/mdstat; exit 1; }
 100      ;;
 101
 102      nosync )
 103        sleep 0.5
 104        if grep -s 're[synccovery]* =' > /dev/null /proc/mdstat ; then
 105            echo >&2 "ERROR resync or recovery is happening!"; cat /proc/mdstat ; exit 1;
 106        fi
 107      ;;
 108
 109     wait )
 110       sleep 0.1
 111       while grep 're[synccovery]* =' > /dev/null /proc/mdstat
 112       do sleep 2;
 113       done
 114       ;;
 115
 116     state )
 117        grep -s "blocks.*\[$2\]\$" /proc/mdstat > /dev/null || {
 118                 echo >&2 "ERROR state $2 not found!"; cat /proc/mdstat ; exit 1; }
 119        sleep 0.5
 120       ;;
 121
 122     bitmap )
 123        grep -s bitmap > /dev/null /proc/mdstat || {
 124            echo >&2 ERROR no bitmap ; cat /proc/mdstat ; exit 1; }
 125       ;;
 126     nobitmap )
 127        if grep -s "bitmap" > /dev/null /proc/mdstat
 128        then
 129            echo >&2 ERROR bitmap present ; cat /proc/mdstat ; exit 1;
 130        fi
 131       ;;
 132
 133     * ) echo >&2 ERROR unknown check $1 ; exit 1;
 134    esac
 135 }
 136
 137 no_errors() {
 138   if [ -s $targetdir/stderr ]
 139   then echo Bad errors from mdadm: ; cat $targetdir/stderr; exit 2;
 140   fi
 141 }
 142 # basic device test
 143
 144 testdev() {
 145    dev=$1
 146    cnt=$2
 147    dvsize=$3
 148    chunk=$4
 149    mkfs -j $dev > /dev/null 2>&1 && fsck -fn $dev >&2
 150    dsize=$[dvsize/chunk]
 151    dsize=$[dsize*chunk]
 152    rasize=$[dsize*2*cnt]
 153    if [ $rasize -ne `/sbin/blockdev --getsize $dev` ]
 154    then
 155      echo "ERROR: size is wrong for $dev: $cnt * $dvsize (chunk=$chunk) = $rasize, not `/sbin/blockdev --getsize $dev`"
 156      exit 1
 157    fi
 158 }
 159
 160 rotest() {
 161   dev=$1
 162   fsck -fn $dev >&2
 163 }
 164
 165
 166
 167 for script in tests/$prefix tests/$prefix*[^~]
 168 do
 169   if [ -f "$script" ]
 170   then
 171    rm -f $targetdir/stderr
 172    # source script in a subshell, so it has access to our
 173    # namespace, but cannot change it.
 174    if ( set -ex ; . $script )  2> $targetdir/log
 175    then echo "$script succeeded"
 176    else cat $targetdir/log ; cat $targetdir/stderr
 177         echo "$script failed"
 178        exit 1
 179    fi
 180   fi
 181 done
 182 exit 0