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