test

   1 #!/bin/sh
   2 #
   3 # run test suite for mdadm
   4 user=`id -un`
   5 if [ " $user" != " root" ]
   6 then echo >&2 "test: testing can only be done as 'root'."
   7      exit 1;
   8 fi
   9
  10 prefix='[0-9][0-9]'
  11
  12 dir=`pwd`
  13 mdadm=$dir/mdadm
  14 if [ \! -x $mdadm ]
  15 then
  16    echo >&2 "test: $mdadm isn't usable."
  17 fi
  18
  19 # Check whether to run multipath tests
  20 modprobe multipath 2> /dev/null
  21 if grep -s 'Personalities : .*multipath' > /dev/null /proc/mdstat ; then
  22     MULTIPATH="yes"
  23 fi
  24
  25 # assume md0, md1, md2 exist in /dev
  26 md0=/dev/md0 md1=/dev/md1 md2=/dev/md2
  27 mdp0=/dev/md_d0
  28 mdp1=/dev/md_d1
  29
  30 # We test mdadm on loop-back block devices.
  31 # dir for storing files should be settable by command line maybe
  32 targetdir=/var/tmp
  33 size=20000
  34 # super0, round down to multiple of 64 and substract 64
  35 mdsize0=19904
  36 # super00 is nested, subtract 128
  37 mdsize00=19840
  38 # super1.0 round down to multiple of 2, subtract 8
  39 mdsize1=19992
  40 mdsize1a=19988
  41 mdsize12=19988
  42 # super1.2 for linear: round to multiple of 2, subtract 4
  43 mdsize1_l=19996
  44 mdsize2_l=19996
  45 # subtract another 4 for bitmaps
  46 mdsize1b=19988
  47 mdsize11=19992
  48 mdsize11a=19456
  49 mdsize12=19988
  50
  51 # ddf needs bigger devices as 32Meg is reserved!
  52 ddfsize=65536
  53
  54 config=/tmp/mdadm.conf
  55
  56 cleanup() {
  57         udevadm settle
  58         $mdadm -Ssq 2> /dev/null
  59         for d in 0 1 2 3 4 5 6 7  8 9 10 11 12
  60         do
  61             losetup -d /dev/loop$d ; # rm -f $targetdir/mdtest$d
  62             rm -f /dev/disk/by-path/loop*
  63         done
  64 }
  65
  66 trap cleanup 0 1 2 3 15
  67
  68 devlist=
  69 for d in 0 1 2 3 4 5 6 7 8 9 10 11 12
  70 do
  71    sz=$size
  72    if [ $d -gt 7 ]; then sz=$ddfsize ; fi
  73    [ -f $targetdir/mdtest$d ] || dd if=/dev/zero of=$targetdir/mdtest$d count=$sz bs=1K > /dev/null 2>&1
  74    [ -b /dev/loop$d ] || mknod /dev/loop$d b 7 $d
  75    if [ $d -eq 7 ]
  76    then
  77      losetup /dev/loop$d $targetdir/mdtest6 # for multipath use
  78    else
  79      losetup /dev/loop$d $targetdir/mdtest$d
  80    fi
  81    eval dev$d=/dev/loop$d
  82    eval file$d=$targetdir/mdtest$d
  83    eval devlist=\"\$devlist \$dev$d\"
  84    #" <-- add this quote to un-confuse vim syntax highlighting
  85 done
  86 path0=$dev6
  87 path1=$dev7
  88
  89 ulimit -c unlimited
  90 [ -f /proc/mdstat ] || modprobe md_mod
  91 echo 2000 > /proc/sys/dev/raid/speed_limit_max
  92 echo 0 > /sys/module/md_mod/parameters/start_ro
  93
  94 # mdadm always adds --quiet, and we want to see any unexpected messages
  95 mdadm() {
  96     rm -f $targetdir/stderr
  97     case $* in
  98        *-S* ) udevadm settle;;
  99     esac
 100     case $* in
 101        *-C* ) $mdadm 2> $targetdir/stderr --quiet "$@" --auto=yes;;
 102         * )   $mdadm 2> $targetdir/stderr --quiet "$@"
 103     esac
 104     rv=$?
 105     case $* in
 106        *-S* ) udevadm settle;;
 107     esac
 108     cat >&2 $targetdir/stderr
 109     return $rv
 110 }
 111
 112 # check various things
 113 check() {
 114    case $1 in
 115     spares )
 116        spares=`tr '] ' '\012\012' < /proc/mdstat | grep -c '(S)' || exit 0`
 117        if [ $spares -ne $2 ]
 118        then
 119           echo >&2 "ERROR expected $2 spares, found $spares"; exit 1;
 120        fi
 121       ;;
 122     raid* | linear )
 123       grep -s "active $1 " /proc/mdstat > /dev/null || {
 124                 echo >&2 "ERROR active $1 not found" ; cat /proc/mdstat ; exit 1;}
 125      ;;
 126     resync | recovery | reshape)
 127       sleep 0.5
 128       grep -s $1 /proc/mdstat > /dev/null || {
 129                 echo >&2 ERROR no $1 happening; cat /proc/mdstat; exit 1; }
 130      ;;
 131
 132      nosync )
 133        sleep 0.5
 134        if grep -s -E '(resync|recovery|reshape) *=' > /dev/null /proc/mdstat ; then
 135                 echo >&2 "ERROR resync or recovery is happening!"; cat /proc/mdstat ; exit 1;
 136        fi
 137      ;;
 138
 139     wait )
 140       sleep 0.1
 141       while grep -E '(resync|recovery|reshape|check|repair) *=' > /dev/null /proc/mdstat
 142       do sleep 2;
 143       done
 144       ;;
 145
 146     state )
 147        grep -s "blocks.*\[$2\]\$" /proc/mdstat > /dev/null || {
 148                 echo >&2 "ERROR state $2 not found!"; cat /proc/mdstat ; exit 1; }
 149        sleep 0.5
 150       ;;
 151
 152     bitmap )
 153        grep -s bitmap > /dev/null /proc/mdstat || {
 154                 echo >&2 ERROR no bitmap ; cat /proc/mdstat ; exit 1; }
 155       ;;
 156     nobitmap )
 157        if grep -s "bitmap" > /dev/null /proc/mdstat
 158        then
 159                 echo >&2 ERROR bitmap present ; cat /proc/mdstat ; exit 1;
 160        fi
 161       ;;
 162
 163     * ) echo >&2 ERROR unknown check $1 ; exit 1;
 164    esac
 165 }
 166
 167 no_errors() {
 168   if [ -s $targetdir/stderr ]
 169   then echo Bad errors from mdadm: ; cat $targetdir/stderr; exit 2;
 170   fi
 171 }
 172 # basic device test
 173
 174 testdev() {
 175    udevadm settle
 176    dev=$1
 177    cnt=$2
 178    dvsize=$3
 179    chunk=$4
 180    if [ -z "$5" ]; then
 181       mkfs -j $dev > /dev/null 2>&1 && fsck -fn $dev >&2
 182    fi
 183    dsize=$[dvsize/chunk]
 184    dsize=$[dsize*chunk]
 185    rasize=$[dsize*2*cnt]
 186    # rasize is in sectors
 187    if [ -n "$DEV_ROUND_K" ]; then
 188       rasize=$[rasize/DEV_ROUND_K/2]
 189       rasize=$[rasize*DEV_ROUND_K*2]
 190    fi
 191    if [ `/sbin/blockdev --getsize $dev` -eq 0 ]; then sleep 2 ; fi
 192    _sz=`/sbin/blockdev --getsize $dev`
 193    if [ $rasize -lt $_sz -o $[rasize*4/5] -gt $_sz ]
 194    then
 195      echo "ERROR: size is wrong for $dev: $cnt * $dvsize (chunk=$chunk) = $rasize, not $_sz"
 196      exit 1
 197    fi
 198 }
 199
 200 rotest() {
 201   dev=$1
 202   fsck -fn $dev >&2
 203 }
 204
 205 do_test() {
 206   _script=$1
 207   if [ -f "$_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 }
 224
 225 do_help() {
 226   echo "Usage: "
 227   echo " $0 [--tests=<test1,test2,..>] [--disable-multipath] [setup] [prefix]"
 228 }
 229
 230 parse_args() {
 231   for i in $*
 232   do
 233     case $i in
 234     [0-9]*)
 235       prefix=$i
 236       ;;
 237     setup)
 238       echo "mdadm test environment setup"
 239       trap 0; exit 0
 240       ;;
 241     --tests=*)
 242       TESTLIST=`expr "x$i" : 'x[^=]*=\(.*\)' | sed -e 's/,/ /g'`
 243       ;;
 244     --disable-multipath)
 245       unset MULTIPATH
 246       ;;
 247     --help)
 248       do_help
 249       exit 0;
 250       ;;
 251     -*)
 252       echo " $0: Unknown argument: $i"
 253       do_help
 254       exit 0;
 255       ;;
 256     esac
 257 done
 258 }
 259
 260 parse_args $@
 261
 262 if [ "x$TESTLIST" != "x" ]; then
 263   for script in $TESTLIST
 264   do
 265     do_test tests/$script
 266   done
 267 else
 268   for script in tests/$prefix tests/$prefix*[^~]
 269   do
 270     do_test $script
 271   done
 272 fi
 273 exit 0