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: $mdadm isn't usable."
  17 fi
  18
  19 testdir="tests"
  20 logdir="$testdir/logs"
  21 logsave=0
  22
  23 # Check whether to run multipath tests
  24 modprobe multipath 2> /dev/null
  25 if grep -s 'Personalities : .*multipath' > /dev/null /proc/mdstat ; then
  26     MULTIPATH="yes"
  27 fi
  28
  29 # assume md0, md1, md2 exist in /dev
  30 md0=/dev/md0 md1=/dev/md1 md2=/dev/md2
  31 mdp0=/dev/md_d0
  32 mdp1=/dev/md_d1
  33
  34 # We test mdadm on loop-back block devices.
  35 # dir for storing files should be settable by command line maybe
  36 targetdir=/var/tmp
  37 size=20000
  38 # super0, round down to multiple of 64 and substract 64
  39 mdsize0=19904
  40 # super00 is nested, subtract 128
  41 mdsize00=19840
  42 # super1.0 round down to multiple of 2, subtract 8
  43 mdsize1=19992
  44 mdsize1a=19988
  45 mdsize12=19988
  46 # super1.2 for linear: round to multiple of 2, subtract 4
  47 mdsize1_l=19996
  48 mdsize2_l=19996
  49 # subtract another 4 for bitmaps
  50 mdsize1b=19988
  51 mdsize11=19992
  52 mdsize11a=19456
  53 mdsize12=19988
  54
  55 # ddf needs bigger devices as 32Meg is reserved!
  56 ddfsize=65536
  57
  58 config=/tmp/mdadm.conf
  59
  60 cleanup() {
  61         udevadm settle
  62         $mdadm -Ssq 2> /dev/null
  63         for d in 0 1 2 3 4 5 6 7  8 9 10 11 12
  64         do
  65             losetup -d /dev/loop$d ; # rm -f $targetdir/mdtest$d
  66             rm -f /dev/disk/by-path/loop*
  67         done
  68 }
  69
  70 trap cleanup 0 1 2 3 15
  71
  72 devlist=
  73 for d in 0 1 2 3 4 5 6 7 8 9 10 11 12
  74 do
  75    sz=$size
  76    if [ $d -gt 7 ]; then sz=$ddfsize ; fi
  77    [ -f $targetdir/mdtest$d ] || dd if=/dev/zero of=$targetdir/mdtest$d count=$sz bs=1K > /dev/null 2>&1
  78    [ -b /dev/loop$d ] || mknod /dev/loop$d b 7 $d
  79    if [ $d -eq 7 ]
  80    then
  81      losetup /dev/loop$d $targetdir/mdtest6 # for multipath use
  82    else
  83      losetup /dev/loop$d $targetdir/mdtest$d
  84    fi
  85    eval dev$d=/dev/loop$d
  86    eval file$d=$targetdir/mdtest$d
  87    eval devlist=\"\$devlist \$dev$d\"
  88    #" <-- add this quote to un-confuse vim syntax highlighting
  89 done
  90 path0=$dev6
  91 path1=$dev7
  92
  93 ulimit -c unlimited
  94 [ -f /proc/mdstat ] || modprobe md_mod
  95 echo 2000 > /proc/sys/dev/raid/speed_limit_max
  96 echo 0 > /sys/module/md_mod/parameters/start_ro
  97
  98 # mdadm always adds --quiet, and we want to see any unexpected messages
  99 mdadm() {
 100     rm -f $targetdir/stderr
 101     case $* in
 102        *-S* ) udevadm settle;;
 103     esac
 104     case $* in
 105        *-C* ) $mdadm 2> $targetdir/stderr --quiet "$@" --auto=yes;;
 106         * )   $mdadm 2> $targetdir/stderr --quiet "$@"
 107     esac
 108     rv=$?
 109     case $* in
 110        *-S* ) udevadm settle;;
 111     esac
 112     cat >&2 $targetdir/stderr
 113     return $rv
 114 }
 115
 116 # check various things
 117 check() {
 118    case $1 in
 119     spares )
 120        spares=`tr '] ' '\012\012' < /proc/mdstat | grep -c '(S)' || exit 0`
 121        if [ $spares -ne $2 ]
 122        then
 123           echo >&2 "ERROR expected $2 spares, found $spares"; exit 1;
 124        fi
 125       ;;
 126     raid* | linear )
 127       grep -s "active $1 " /proc/mdstat > /dev/null || {
 128                 echo >&2 "ERROR active $1 not found" ; cat /proc/mdstat ; exit 1;}
 129      ;;
 130     resync | recovery | reshape)
 131       sleep 0.5
 132       grep -s $1 /proc/mdstat > /dev/null || {
 133                 echo >&2 ERROR no $1 happening; cat /proc/mdstat; exit 1; }
 134      ;;
 135
 136      nosync )
 137        sleep 0.5
 138        if grep -s -E '(resync|recovery|reshape) *=' > /dev/null /proc/mdstat ; then
 139                 echo >&2 "ERROR resync or recovery is happening!"; cat /proc/mdstat ; exit 1;
 140        fi
 141      ;;
 142
 143     wait )
 144       sleep 0.1
 145       while grep -E '(resync|recovery|reshape|check|repair) *=' > /dev/null /proc/mdstat
 146       do sleep 2;
 147       done
 148       ;;
 149
 150     state )
 151        grep -s "blocks.*\[$2\]\$" /proc/mdstat > /dev/null || {
 152                 echo >&2 "ERROR state $2 not found!"; cat /proc/mdstat ; exit 1; }
 153        sleep 0.5
 154       ;;
 155
 156     bitmap )
 157        grep -s bitmap > /dev/null /proc/mdstat || {
 158                 echo >&2 ERROR no bitmap ; cat /proc/mdstat ; exit 1; }
 159       ;;
 160     nobitmap )
 161        if grep -s "bitmap" > /dev/null /proc/mdstat
 162        then
 163                 echo >&2 ERROR bitmap present ; cat /proc/mdstat ; exit 1;
 164        fi
 165       ;;
 166
 167     * ) echo >&2 ERROR unknown check $1 ; exit 1;
 168    esac
 169 }
 170
 171 no_errors() {
 172   if [ -s $targetdir/stderr ]
 173   then echo Bad errors from mdadm: ; cat $targetdir/stderr; exit 2;
 174   fi
 175 }
 176 # basic device test
 177
 178 testdev() {
 179    udevadm settle
 180    dev=$1
 181    cnt=$2
 182    dvsize=$3
 183    chunk=$4
 184    if [ -z "$5" ]; then
 185       mkfs -j $dev > /dev/null 2>&1 && fsck -fn $dev >&2
 186    fi
 187    dsize=$[dvsize/chunk]
 188    dsize=$[dsize*chunk]
 189    rasize=$[dsize*2*cnt]
 190    # rasize is in sectors
 191    if [ -n "$DEV_ROUND_K" ]; then
 192       rasize=$[rasize/DEV_ROUND_K/2]
 193       rasize=$[rasize*DEV_ROUND_K*2]
 194    fi
 195    if [ `/sbin/blockdev --getsize $dev` -eq 0 ]; then sleep 2 ; fi
 196    _sz=`/sbin/blockdev --getsize $dev`
 197    if [ $rasize -lt $_sz -o $[rasize*4/5] -gt $_sz ]
 198    then
 199      echo "ERROR: size is wrong for $dev: $cnt * $dvsize (chunk=$chunk) = $rasize, not $_sz"
 200      exit 1
 201    fi
 202 }
 203
 204 rotest() {
 205   dev=$1
 206   fsck -fn $dev >&2
 207 }
 208
 209 do_test() {
 210   _script=$1
 211   _basename=`basename $_script`
 212   if [ -f "$_script" ]
 213   then
 214     rm -f $targetdir/stderr
 215     # stop all arrays, just incase some script left an array active.
 216     $mdadm -Ssq 2> /dev/null
 217     mdadm --zero $devlist 2> /dev/null
 218     mdadm --zero $devlist 2> /dev/null
 219     # source script in a subshell, so it has access to our
 220     # namespace, but cannot change it.
 221     echo -ne "$_script... "
 222     if ( set -ex ; . $_script )  2> $targetdir/log
 223     then
 224       echo "succeeded"
 225       _fail=0
 226     else
 227       echo "FAILED - see $targetdir/log for details"
 228       _fail=1
 229     fi
 230     if [ "$savelogs" == "1" ]; then
 231       cp $targetdir/log $logdir/$_basename.log
 232     fi
 233     if [ "$_fail" == "1" ]; then
 234       exit 1
 235     fi
 236   fi
 237 }
 238
 239 do_help() {
 240   echo "Usage: "
 241   echo " $0 [--tests=<test1,test2,..>] [--disable-multipath] [--logdir] [--save-logs] [setup] [prefix]"
 242 }
 243
 244 parse_args() {
 245   for i in $*
 246   do
 247     case $i in
 248     [0-9]*)
 249       prefix=$i
 250       ;;
 251     setup)
 252       echo "mdadm test environment setup"
 253       trap 0; exit 0
 254       ;;
 255     --tests=*)
 256       TESTLIST=`expr "x$i" : 'x[^=]*=\(.*\)' | sed -e 's/,/ /g'`
 257       ;;
 258     --logdir=*)
 259       logdir=`expr "x$i" : 'x[^=]*=\(.*\)'`
 260       ;;
 261     --save-logs)
 262       savelogs=1
 263       if [ ! -d $logdir ] ; then
 264         mkdir $logdir
 265         if [ $? -ne 0 ] ; then
 266           exit 1;
 267         fi
 268       fi
 269       ;;
 270     --disable-multipath)
 271       unset MULTIPATH
 272       ;;
 273     --help)
 274       do_help
 275       exit 0;
 276       ;;
 277     -*)
 278       echo " $0: Unknown argument: $i"
 279       do_help
 280       exit 0;
 281       ;;
 282     esac
 283 done
 284 }
 285
 286 parse_args $@
 287
 288 if [ "$savelogs" == "1" ]; then
 289   echo "Saving logs to $logdir"
 290 fi
 291
 292 if [ "x$TESTLIST" != "x" ]; then
 293   for script in $TESTLIST
 294   do
 295     do_test $testdir/$script
 296   done
 297 else
 298   for script in $testdir/$prefix $testdir/$prefix*[^~]
 299   do
 300     do_test $script
 301   done
 302 fi
 303 exit 0