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 mdsize1a=19988
  38 mdsize12=19988
  39 # super1.2 for linear: round to multiple of 2, subtract 4
  40 mdsize1_l=18976
  41 mdsize2_l=18976
  42 # subtract another 4 for bitmaps
  43 mdsize1b=19988
  44 mdsize11=19992
  45 mdsize11a=18944
  46 mdsize12=19988
  47
  48 # ddf needs bigger devices as 32Meg is reserved!
  49 ddfsize=65536
  50
  51 cleanup() {
  52         udevadm settle
  53         $mdadm -Ssq
  54         for d in 0 1 2 3 4 5 6 7  8 9 10 11 12
  55         do
  56            losetup -d /dev/loop$d ; # rm -f $targetdir/mdtest$d
  57         done
  58 }
  59
  60 trap cleanup 0 1 2 3 15
  61
  62 devlist=
  63 for d in 0 1 2 3 4 5 6 7 8 9 10 11 12
  64 do
  65    sz=$size
  66    if [ $d -gt 7 ]; then sz=$ddfsize ; fi
  67    [ -f $targetdir/mdtest$d ] || dd if=/dev/zero of=$targetdir/mdtest$d count=$sz bs=1K > /dev/null 2>&1
  68    [ -b /dev/loop$d ] || mknod /dev/loop$d b 7 $d
  69    if [ $d -eq 7 ]
  70    then
  71      losetup /dev/loop$d $targetdir/mdtest6 # for multipath use
  72    else
  73      losetup /dev/loop$d $targetdir/mdtest$d
  74    fi
  75    eval dev$d=/dev/loop$d
  76    eval file$d=$targetdir/mdtest$d
  77    eval devlist=\"\$devlist \$dev$d\"
  78    #" <-- add this quote to un-confuse vim syntax highlighting
  79 done
  80 path0=$dev6
  81 path1=$dev7
  82
  83 ulimit -c unlimited
  84 [ -f /proc/mdstat ] || modprobe md_mod
  85 echo 2000 > /proc/sys/dev/raid/speed_limit_max
  86 echo 0 > /sys/module/md_mod/parameters/start_ro
  87
  88 if [ " $1" = " setup" ]
  89 then trap 0 ; exit 0
  90 fi
  91
  92 # mdadm always adds --quiet, and we want to see any unexpected messages
  93 mdadm() {
  94     rm -f $targetdir/stderr
  95     case $* in
  96        *-S* ) udevadm settle;;
  97     esac
  98     case $* in
  99        *-C* ) $mdadm 2> $targetdir/stderr --quiet "$@" --auto=yes;;
 100         * )   $mdadm 2> $targetdir/stderr --quiet "$@"
 101     esac
 102     rv=$?
 103     cat >&2 $targetdir/stderr
 104     return $rv
 105 }
 106
 107 # check various things
 108 check() {
 109    case $1 in
 110     spares )
 111        spares=`tr '] ' '\012\012' < /proc/mdstat | grep -c '(S)' || exit 0`
 112        if [ $spares -ne $2 ]
 113        then
 114           echo >&2 "ERROR expected $2 spares, found $spares"; exit 1;
 115        fi
 116       ;;
 117     raid* | linear )
 118       grep -s "active $1 " /proc/mdstat > /dev/null || {
 119                 echo >&2 "ERROR active $1 not found" ; cat /proc/mdstat ; exit 1;}
 120      ;;
 121     resync | recovery | reshape)
 122       sleep 0.5
 123       grep -s $1 /proc/mdstat > /dev/null || {
 124                 echo >&2 ERROR no $1 happening; cat /proc/mdstat; exit 1; }
 125      ;;
 126
 127      nosync )
 128        sleep 0.5
 129        if grep -s -E '(resync|recovery|reshape) =' > /dev/null /proc/mdstat ; then
 130            echo >&2 "ERROR resync or recovery is happening!"; cat /proc/mdstat ; exit 1;
 131        fi
 132      ;;
 133
 134     wait )
 135       sleep 0.1
 136       while grep -E '(resync|recovery|reshape|check|repair) =' > /dev/null /proc/mdstat
 137       do sleep 2;
 138       done
 139       ;;
 140
 141     state )
 142        grep -s "blocks.*\[$2\]\$" /proc/mdstat > /dev/null || {
 143                 echo >&2 "ERROR state $2 not found!"; cat /proc/mdstat ; exit 1; }
 144        sleep 0.5
 145       ;;
 146
 147     bitmap )
 148        grep -s bitmap > /dev/null /proc/mdstat || {
 149            echo >&2 ERROR no bitmap ; cat /proc/mdstat ; exit 1; }
 150       ;;
 151     nobitmap )
 152        if grep -s "bitmap" > /dev/null /proc/mdstat
 153        then
 154            echo >&2 ERROR bitmap present ; cat /proc/mdstat ; exit 1;
 155        fi
 156       ;;
 157
 158     * ) echo >&2 ERROR unknown check $1 ; exit 1;
 159    esac
 160 }
 161
 162 no_errors() {
 163   if [ -s $targetdir/stderr ]
 164   then echo Bad errors from mdadm: ; cat $targetdir/stderr; exit 2;
 165   fi
 166 }
 167 # basic device test
 168
 169 testdev() {
 170    udevadm settle
 171    dev=$1
 172    cnt=$2
 173    dvsize=$3
 174    chunk=$4
 175    if [ -z "$5" ]; then
 176       mkfs -j $dev > /dev/null 2>&1 && fsck -fn $dev >&2
 177    fi
 178    dsize=$[dvsize/chunk]
 179    dsize=$[dsize*chunk]
 180    rasize=$[dsize*2*cnt]
 181    # rasize is in sectors
 182    if [ -n "$DEV_ROUND_K" ]; then
 183       rasize=$[rasize/DEV_ROUND_K/2]
 184       rasize=$[rasize*DEV_ROUND_K*2]
 185    fi
 186    if [ `/sbin/blockdev --getsize $dev` -eq 0 ]; then sleep 2 ; fi
 187    if [ $rasize -ne `/sbin/blockdev --getsize $dev` ]
 188    then
 189      echo "ERROR: size is wrong for $dev: $cnt * $dvsize (chunk=$chunk) = $rasize, not `/sbin/blockdev --getsize $dev`"
 190      exit 1
 191    fi
 192 }
 193
 194 rotest() {
 195   dev=$1
 196   fsck -fn $dev >&2
 197 }
 198
 199 setup_environment() {
 200    if [ -f $1 ]; then
 201       . $environment
 202       setup_env
 203    fi
 204 }
 205
 206 reset_environment() {
 207    if [ -f $1 ]; then
 208       reset_env
 209       unset setup_env
 210       unset reset_env
 211    fi
 212 }
 213
 214 for script in tests/$prefix tests/$prefix*[^~]
 215 do
 216   if [ -f "$script" ]
 217   then
 218    rm -f $targetdir/stderr
 219    # stop all arrays, just incase some script left an array active.
 220    mdadm -Ssq
 221    mdadm --zero $devlist 2> /dev/null
 222    mdadm --zero $devlist 2> /dev/null
 223    environment="tests/env-`basename $script`"
 224    setup_environment $environment
 225    # source script in a subshell, so it has access to our
 226    # namespace, but cannot change it.
 227    if ( set -ex ; . $script )  2> $targetdir/log
 228    then echo "$script succeeded"
 229    else cat $targetdir/log ; cat $targetdir/stderr
 230         echo "$script failed"
 231         reset_environment $environment
 232        exit 1
 233    fi
 234    reset_environment $environment
 235   fi
 236 done
 237 exit 0