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