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 if [ " $1" = " setup" ]
  71 then trap 0 ; exit 0
  72 fi
  73
  74 # mdadm always adds --quiet, and we want to see any unexpected messages
  75 mdadm() {
  76     rm -f $targetdir/stderr
  77     case $* in
  78        *-C* ) $mdadm 2> $targetdir/stderr --quiet "$@" --auto=yes;;
  79         * )   $mdadm 2> $targetdir/stderr --quiet "$@"
  80     esac
  81     cat >&2 $targetdir/stderr
  82 }
  83
  84 # check various things
  85 check() {
  86    case $1 in
  87     spares )
  88        spares=`tr '] ' '\012\012' < /proc/mdstat | grep -c '(S)' || exit 0`
  89        if [ $spares -ne $2 ]
  90        then
  91           echo >&2 "ERROR expected $2 spares, found $spares"; exit 1;
  92        fi
  93       ;;
  94     raid* | linear )
  95       grep -s "active $1 " /proc/mdstat > /dev/null || {
  96                 echo >&2 "ERROR active $1 not found" ; cat /proc/mdstat ; exit 1;}
  97      ;;
  98     resync | recovery )
  99       sleep 0.5
 100       grep -s $1 /proc/mdstat > /dev/null || {
 101                 echo >&2 ERROR no $1 happening; cat /proc/mdstat; exit 1; }
 102      ;;
 103
 104      nosync )
 105        sleep 0.5
 106        if grep -s 're[synccovery]* =' > /dev/null /proc/mdstat ; then
 107            echo >&2 "ERROR resync or recovery is happening!"; cat /proc/mdstat ; exit 1;
 108        fi
 109      ;;
 110
 111     wait )
 112       sleep 0.1
 113       while grep 're[synccovery]* =' > /dev/null /proc/mdstat
 114       do sleep 2;
 115       done
 116       ;;
 117
 118     state )
 119        grep -s "blocks.*\[$2\]\$" /proc/mdstat > /dev/null || {
 120                 echo >&2 "ERROR state $2 not found!"; cat /proc/mdstat ; exit 1; }
 121        sleep 0.5
 122       ;;
 123
 124     bitmap )
 125        grep -s bitmap > /dev/null /proc/mdstat || {
 126            echo >&2 ERROR no bitmap ; cat /proc/mdstat ; exit 1; }
 127       ;;
 128     nobitmap )
 129        if grep -s "bitmap" > /dev/null /proc/mdstat
 130        then
 131            echo >&2 ERROR bitmap present ; cat /proc/mdstat ; exit 1;
 132        fi
 133       ;;
 134
 135     * ) echo >&2 ERROR unknown check $1 ; exit 1;
 136    esac
 137 }
 138
 139 no_errors() {
 140   if [ -s $targetdir/stderr ]
 141   then echo Bad errors from mdadm: ; cat $targetdir/stderr; exit 2;
 142   fi
 143 }
 144 # basic device test
 145
 146 testdev() {
 147    dev=$1
 148    cnt=$2
 149    dvsize=$3
 150    chunk=$4
 151    mkfs -j $dev > /dev/null 2>&1 && fsck -fn $dev >&2
 152    dsize=$[dvsize/chunk]
 153    dsize=$[dsize*chunk]
 154    rasize=$[dsize*2*cnt]
 155    if [ $rasize -ne `/sbin/blockdev --getsize $dev` ]
 156    then
 157      echo "ERROR: size is wrong for $dev: $cnt * $dvsize (chunk=$chunk) = $rasize, not `/sbin/blockdev --getsize $dev`"
 158      exit 1
 159    fi
 160 }
 161
 162 rotest() {
 163   dev=$1
 164   fsck -fn $dev >&2
 165 }
 166
 167
 168
 169 for script in tests/$prefix tests/$prefix*[^~]
 170 do
 171   if [ -f "$script" ]
 172   then
 173    rm -f $targetdir/stderr
 174    # source script in a subshell, so it has access to our
 175    # namespace, but cannot change it.
 176    if ( set -ex ; . $script )  2> $targetdir/log
 177    then echo "$script succeeded"
 178    else cat $targetdir/log ; cat $targetdir/stderr
 179         echo "$script failed"
 180        exit 1
 181    fi
 182   fi
 183 done
 184 exit 0