test

   1 #!/bin/bash
   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 exitonerror=1
  23
  24 echo "Testing on linux-$(uname -r) kernel"
  25
  26 # Check whether to run multipath tests
  27 modprobe multipath 2> /dev/null
  28 if grep -s 'Personalities : .*multipath' > /dev/null /proc/mdstat ; then
  29     MULTIPATH="yes"
  30 fi
  31 INTEGRITY=yes
  32 DEVTYPE=loop
  33 LVM_VOLGROUP=mdtest
  34
  35 # make sure to test local mdmon, not system one
  36 export MDADM_NO_SYSTEMCTL=1
  37
  38 # assume md0, md1, md2 exist in /dev
  39 md0=/dev/md0 md1=/dev/md1 md2=/dev/md2
  40 mdp0=/dev/md_d0
  41 mdp1=/dev/md_d1
  42
  43 # We test mdadm on loop-back block devices.
  44 # dir for storing files should be settable by command line maybe
  45 targetdir=/var/tmp
  46 size=20000
  47 # super0, round down to multiple of 64 and substract 64
  48 mdsize0=19904
  49 # super00 is nested, subtract 128
  50 mdsize00=19840
  51 # super1.0 round down to multiple of 2, subtract 8
  52 mdsize1=19992
  53 mdsize1a=19988
  54 mdsize12=19988
  55 # super1.2 for linear: round to multiple of 2, subtract 4
  56 mdsize1_l=19996
  57 mdsize2_l=19996
  58 # subtract another 4 for bitmaps
  59 mdsize1b=19988
  60 mdsize11=19992
  61 mdsize11a=19456
  62 mdsize12=19988
  63
  64 # ddf needs bigger devices as 32Meg is reserved!
  65 ddfsize=65536
  66
  67 config=/tmp/mdadm.conf
  68
  69 cleanup() {
  70         udevadm settle
  71         $mdadm -Ssq 2> /dev/null
  72         case $DEVTYPE in
  73         loop)
  74           for d in 0 1 2 3 4 5 6 7  8 9 10 11 12 13
  75           do
  76             losetup -d /dev/loop$d ; # rm -f $targetdir/mdtest$d
  77             rm -f /dev/disk/by-path/loop*
  78           done
  79           ;;
  80         lvm)
  81           for d in 0 1 2 3 4 5 6 7  8 9 10 11 12 13
  82           do
  83             eval "lvremove --quiet -f \$dev$d"
  84           done
  85           ;;
  86         esac
  87 }
  88
  89 ctrl_c() {
  90         exitonerror=1
  91 }
  92
  93 do_setup() {
  94   trap cleanup 0 1 3 15
  95   trap ctrl_c 2
  96
  97   # make sure there are no loop devices remaining.
  98   # udev started things can sometimes prevent them being stopped
  99   # immediately
 100   while grep loop /proc/partitions > /dev/null 2>&1
 101   do
 102     mdadm -Ss
 103     losetup -d /dev/loop[0-9]* 2> /dev/null
 104     sleep 1
 105   done
 106   devlist=
 107   for d in 0 1 2 3 4 5 6 7 8 9 10 11 12 13
 108   do
 109     sz=$size
 110     if [ $d -gt 7 ]; then sz=$ddfsize ; fi
 111     case $DEVTYPE in
 112     loop)
 113       [ -f $targetdir/mdtest$d ] || dd if=/dev/zero of=$targetdir/mdtest$d count=$sz bs=1K > /dev/null 2>&1
 114       [ -b /dev/loop$d ] || mknod /dev/loop$d b 7 $d
 115       if [ $d -eq 7 ]
 116       then
 117         losetup /dev/loop$d $targetdir/mdtest6 # for multipath use
 118       else
 119         losetup /dev/loop$d $targetdir/mdtest$d
 120       fi
 121       eval dev$d=/dev/loop$d
 122       eval file$d=$targetdir/mdtest$d
 123       ;;
 124     lvm)
 125       unset MULTIPATH
 126       eval dev$d=/dev/mapper/${LVM_VOLGROUP}-mdtest$d
 127       if ! lvcreate --quiet -L ${sz}K -n mdtest$d $LVM_VOLGROUP; then
 128           trap '' 0 # make sure lvremove is not called
 129           eval echo error creating \$dev$d
 130           exit 129
 131       fi
 132       ;;
 133     ram)
 134       unset MULTIPATH
 135       eval dev$d=/dev/ram$d
 136       ;;
 137     esac
 138     eval devlist=\"\$devlist \$dev$d\"
 139     eval devlist$d=\"\$devlist\"
 140    #" <-- add this quote to un-confuse vim syntax highlighting
 141   done
 142   path0=$dev6
 143   path1=$dev7
 144
 145   ulimit -c unlimited
 146   [ -f /proc/mdstat ] || modprobe md_mod
 147   echo 2000 > /proc/sys/dev/raid/speed_limit_max
 148   echo 0 > /sys/module/md_mod/parameters/start_ro
 149 }
 150
 151 # mdadm always adds --quiet, and we want to see any unexpected messages
 152 mdadm() {
 153     rm -f $targetdir/stderr
 154     case $* in
 155         *-S* ) udevadm settle
 156                p=`cat /proc/sys/dev/raid/speed_limit_max`
 157                echo 2000000 > /proc/sys/dev/raid/speed_limit_max
 158     esac
 159     case $* in
 160         *-C* ) $mdadm 2> $targetdir/stderr --quiet "$@" --auto=yes;;
 161         * )    $mdadm 2> $targetdir/stderr --quiet "$@"
 162     esac
 163     rv=$?
 164     case $* in
 165         *-S* ) udevadm settle
 166                echo $p > /proc/sys/dev/raid/speed_limit_max
 167     esac
 168     cat >&2 $targetdir/stderr
 169     return $rv
 170 }
 171
 172 # check various things
 173 check() {
 174    case $1 in
 175     spares )
 176        spares=`tr '] ' '\012\012' < /proc/mdstat | grep -c '(S)' || exit 0`
 177        if [ $spares -ne $2 ]
 178        then
 179           echo >&2 "ERROR expected $2 spares, found $spares"; exit 1;
 180        fi
 181       ;;
 182     raid* | linear )
 183       grep -s "active $1 " /proc/mdstat > /dev/null || {
 184                 echo >&2 "ERROR active $1 not found" ; cat /proc/mdstat ; exit 1;}
 185      ;;
 186     algorithm )
 187       grep -s " algorithm $2 " /proc/mdstat > /dev/null || {
 188           echo >&2 "ERROR algorithm $2 not found"; cat /proc/mdstat; exit 1;}
 189      ;;
 190     resync | recovery | reshape)
 191         cnt=5
 192         while ! grep -s $1 /proc/mdstat > /dev/null
 193         do
 194             if [ $cnt -gt 0 ] && grep -v idle /sys/block/md*/md/sync_action > /dev/null
 195             then # Something isn't idle - wait a bit
 196                 sleep 0.5
 197                 cnt=$[cnt-1]
 198             else
 199                 echo >&2 ERROR no $1 happening; cat /proc/mdstat; exit 1
 200             fi
 201         done
 202         ;;
 203
 204      nosync )
 205        sleep 0.5
 206        if grep -s -E '(resync|recovery|reshape) *=' > /dev/null /proc/mdstat ; then
 207                 echo >&2 "ERROR resync or recovery is happening!"; cat /proc/mdstat ; exit 1;
 208        fi
 209      ;;
 210
 211     wait )
 212       p=`cat /proc/sys/dev/raid/speed_limit_max`
 213       echo 2000000 > /proc/sys/dev/raid/speed_limit_max
 214       sleep 0.1
 215       while grep -E '(resync|recovery|reshape|check|repair) *=' > /dev/null /proc/mdstat ||
 216               grep -v idle > /dev/null /sys/block/md*/md/sync_action
 217       do sleep 0.5;
 218       done
 219       echo $p > /proc/sys/dev/raid/speed_limit_max
 220       ;;
 221
 222     state )
 223        grep -s "blocks.*\[$2\]\$" /proc/mdstat > /dev/null || {
 224                 echo >&2 "ERROR state $2 not found!"; cat /proc/mdstat ; exit 1; }
 225        sleep 0.5
 226       ;;
 227
 228     bitmap )
 229        grep -s bitmap > /dev/null /proc/mdstat || {
 230                 echo >&2 ERROR no bitmap ; cat /proc/mdstat ; exit 1; }
 231       ;;
 232     nobitmap )
 233        if grep -s "bitmap" > /dev/null /proc/mdstat
 234        then
 235                 echo >&2 ERROR bitmap present ; cat /proc/mdstat ; exit 1;
 236        fi
 237       ;;
 238
 239     * ) echo >&2 ERROR unknown check $1 ; exit 1;
 240    esac
 241 }
 242
 243 no_errors() {
 244   if [ -s $targetdir/stderr ]
 245   then echo Bad errors from mdadm: ; cat $targetdir/stderr; exit 2;
 246   fi
 247 }
 248 # basic device test
 249
 250 testdev() {
 251    udevadm settle
 252    dev=$1
 253    cnt=$2
 254    dvsize=$3
 255    chunk=$4
 256    if [ -z "$5" ]; then
 257       mkfs -j $dev > /dev/null 2>&1 && fsck -fn $dev >&2
 258    fi
 259    dsize=$[dvsize/chunk]
 260    dsize=$[dsize*chunk]
 261    rasize=$[dsize*2*cnt]
 262    # rasize is in sectors
 263    if [ -n "$DEV_ROUND_K" ]; then
 264       rasize=$[rasize/DEV_ROUND_K/2]
 265       rasize=$[rasize*DEV_ROUND_K*2]
 266    fi
 267    if [ `/sbin/blockdev --getsize $dev` -eq 0 ]; then sleep 2 ; fi
 268    _sz=`/sbin/blockdev --getsize $dev`
 269    if [ $rasize -lt $_sz -o $[rasize*4/5] -gt $_sz ]
 270    then
 271      echo "ERROR: size is wrong for $dev: $cnt * $dvsize (chunk=$chunk) = $rasize, not $_sz"
 272      exit 1
 273    fi
 274 }
 275
 276 fast_sync() {
 277   echo 200000 > /proc/sys/dev/raid/speed_limit_max
 278 }
 279
 280 rotest() {
 281   dev=$1
 282   fsck -fn $dev >&2
 283 }
 284
 285 do_test() {
 286   _script=$1
 287   _basename=`basename $_script`
 288   if [ -f "$_script" ]
 289   then
 290     rm -f $targetdir/stderr
 291     # stop all arrays, just incase some script left an array active.
 292     $mdadm -Ssq 2> /dev/null
 293     mdadm --zero $devlist 2> /dev/null
 294     mdadm --zero $devlist 2> /dev/null
 295     # this might have been reset: restore the default.
 296     echo 2000 > /proc/sys/dev/raid/speed_limit_max
 297     # source script in a subshell, so it has access to our
 298     # namespace, but cannot change it.
 299     echo -ne "$_script... "
 300     if ( set -ex ; . $_script ) &> $targetdir/log
 301     then
 302       echo "succeeded"
 303       _fail=0
 304     else
 305       log=log
 306       cat $targetdir/stderr >> $targetdir/log
 307       if [ $exitonerror == 0 ]; then
 308           log=log-`basename $_script`
 309           mv $targetdir/log $targetdir/$log
 310       fi
 311       echo "FAILED - see $targetdir/$log for details"
 312       _fail=1
 313     fi
 314     if [ "$savelogs" == "1" ]; then
 315       cp $targetdir/log $logdir/$_basename.log
 316     fi
 317     if [ "$_fail" == "1" -a "$exitonerror" == "1" ]; then
 318       exit 1
 319     fi
 320   fi
 321 }
 322
 323 do_help() {
 324   echo "Usage: $0 [options]"
 325   echo " Options:"
 326   echo "    --tests=<test1,test2,..>    Comma separated list of tests to run"
 327   echo "    --disable-multipath         Disable any tests involving multipath"
 328   echo "    --disable-integrity         Disable slow tests of RAID[56] consistency"
 329   echo "    --logdir=<directory>        Directory to save logfiles in"
 330   echo "    --save-logs                 Save all logs in <logdir>"
 331   echo "    --keep-going                Don't stop on error, ie. run all tests"
 332   echo "    --dev=[loop|lvm|ram]        Use loop devices (default), LVM, or RAM disk"
 333   echo "    --volgroup=<name>           LVM volume group for LVM test"
 334   echo "    setup                       Setup test environment and exit"
 335   echo "    cleanup                     Cleanup test environment"
 336   echo "    <prefix>                    Run tests with <prefix>"
 337 }
 338
 339 parse_args() {
 340   for i in $*
 341   do
 342     case $i in
 343     [0-9]*)
 344       prefix=$i
 345       ;;
 346     setup)
 347       echo "mdadm test environment setup"
 348       do_setup
 349       trap 0; exit 0
 350       ;;
 351     cleanup)
 352       cleanup
 353       exit 0
 354       ;;
 355     --tests=*)
 356       TESTLIST=`expr "x$i" : 'x[^=]*=\(.*\)' | sed -e 's/,/ /g'`
 357       ;;
 358     --logdir=*)
 359       logdir=`expr "x$i" : 'x[^=]*=\(.*\)'`
 360       ;;
 361     --save-logs)
 362       savelogs=1
 363       if [ ! -d $logdir ] ; then
 364         mkdir $logdir
 365         if [ $? -ne 0 ] ; then
 366           exit 1;
 367         fi
 368       fi
 369       ;;
 370     --keep-going | --no-error)
 371       exitonerror=0
 372       ;;
 373     --disable-multipath)
 374       unset MULTIPATH
 375       ;;
 376     --disable-integrity)
 377       unset INTEGRITY
 378       ;;
 379     --dev=loop)
 380       DEVTYPE=loop
 381       ;;
 382     --dev=lvm)
 383       DEVTYPE=lvm
 384       ;;
 385     --dev=ram)
 386       DEVTYPE=ram
 387       ;;
 388     --volgroup=*)
 389       LVM_VOLGROUP=`expr "x$i" : 'x[^=]*=\(.*\)'`
 390       ;;
 391     --help)
 392       do_help
 393       exit 0;
 394       ;;
 395     -*)
 396       echo " $0: Unknown argument: $i"
 397       do_help
 398       exit 0;
 399       ;;
 400     esac
 401 done
 402 }
 403
 404 parse_args $@
 405
 406 do_setup
 407
 408 if [ "$savelogs" == "1" ]; then
 409   echo "Saving logs to $logdir"
 410 fi
 411
 412 if [ "x$TESTLIST" != "x" ]; then
 413   for script in $TESTLIST
 414   do
 415     do_test $testdir/$script
 416   done
 417 else
 418   for script in $testdir/$prefix $testdir/$prefix*[^~]
 419   do
 420     do_test $script
 421   done
 422 fi
 423 exit 0