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       # make sure udev doesn't touch
 115       mdadm --zero $targetdir/mdtest$d 2> /dev/null
 116       [ -b /dev/loop$d ] || mknod /dev/loop$d b 7 $d
 117       if [ $d -eq 7 ]
 118       then
 119         losetup /dev/loop$d $targetdir/mdtest6 # for multipath use
 120       else
 121         losetup /dev/loop$d $targetdir/mdtest$d
 122       fi
 123       eval dev$d=/dev/loop$d
 124       eval file$d=$targetdir/mdtest$d
 125       ;;
 126     lvm)
 127       unset MULTIPATH
 128       eval dev$d=/dev/mapper/${LVM_VOLGROUP}-mdtest$d
 129       if ! lvcreate --quiet -L ${sz}K -n mdtest$d $LVM_VOLGROUP; then
 130           trap '' 0 # make sure lvremove is not called
 131           eval echo error creating \$dev$d
 132           exit 129
 133       fi
 134       ;;
 135     ram)
 136       unset MULTIPATH
 137       eval dev$d=/dev/ram$d
 138       ;;
 139     esac
 140     eval devlist=\"\$devlist \$dev$d\"
 141     eval devlist$d=\"\$devlist\"
 142    #" <-- add this quote to un-confuse vim syntax highlighting
 143   done
 144   path0=$dev6
 145   path1=$dev7
 146
 147   ulimit -c unlimited
 148   [ -f /proc/mdstat ] || modprobe md_mod
 149   echo 2000 > /proc/sys/dev/raid/speed_limit_max
 150   echo 0 > /sys/module/md_mod/parameters/start_ro
 151 }
 152
 153 # mdadm always adds --quiet, and we want to see any unexpected messages
 154 mdadm() {
 155     rm -f $targetdir/stderr
 156     case $* in
 157         *-S* ) udevadm settle
 158                p=`cat /proc/sys/dev/raid/speed_limit_max`
 159                echo 20000 > /proc/sys/dev/raid/speed_limit_max
 160     esac
 161     case $* in
 162         *-C* ) $mdadm 2> $targetdir/stderr --quiet "$@" --auto=yes;;
 163         * )    $mdadm 2> $targetdir/stderr --quiet "$@"
 164     esac
 165     rv=$?
 166     case $* in
 167         *-S* ) udevadm settle
 168                echo $p > /proc/sys/dev/raid/speed_limit_max
 169     esac
 170     cat >&2 $targetdir/stderr
 171     return $rv
 172 }
 173
 174 # check various things
 175 check() {
 176    case $1 in
 177     spares )
 178        spares=`tr '] ' '\012\012' < /proc/mdstat | grep -c '(S)' || exit 0`
 179        if [ $spares -ne $2 ]
 180        then
 181           echo >&2 "ERROR expected $2 spares, found $spares"; exit 1;
 182        fi
 183       ;;
 184     raid* | linear )
 185       grep -s "active $1 " /proc/mdstat > /dev/null || {
 186                 echo >&2 "ERROR active $1 not found" ; cat /proc/mdstat ; exit 1;}
 187      ;;
 188     algorithm )
 189       grep -s " algorithm $2 " /proc/mdstat > /dev/null || {
 190           echo >&2 "ERROR algorithm $2 not found"; cat /proc/mdstat; exit 1;}
 191      ;;
 192     resync | recovery | reshape)
 193         cnt=5
 194         while ! grep -s $1 /proc/mdstat > /dev/null
 195         do
 196             if [ $cnt -gt 0 ] && grep -v idle /sys/block/md*/md/sync_action > /dev/null
 197             then # Something isn't idle - wait a bit
 198                 sleep 0.5
 199                 cnt=$[cnt-1]
 200             else
 201                 echo >&2 ERROR no $1 happening; cat /proc/mdstat; exit 1
 202             fi
 203         done
 204         ;;
 205
 206      nosync )
 207        sleep 0.5
 208        if grep -s -E '(resync|recovery|reshape) *=' > /dev/null /proc/mdstat ; then
 209                 echo >&2 "ERROR resync or recovery is happening!"; cat /proc/mdstat ; exit 1;
 210        fi
 211      ;;
 212
 213     wait )
 214       p=`cat /proc/sys/dev/raid/speed_limit_max`
 215       echo 2000000 > /proc/sys/dev/raid/speed_limit_max
 216       sleep 0.1
 217       while grep -E '(resync|recovery|reshape|check|repair) *=' > /dev/null /proc/mdstat ||
 218               grep -v idle > /dev/null /sys/block/md*/md/sync_action
 219       do sleep 0.5;
 220       done
 221       echo $p > /proc/sys/dev/raid/speed_limit_max
 222       ;;
 223
 224     state )
 225        grep -s "blocks.*\[$2\]\$" /proc/mdstat > /dev/null || {
 226                 echo >&2 "ERROR state $2 not found!"; cat /proc/mdstat ; exit 1; }
 227        sleep 0.5
 228       ;;
 229
 230     bitmap )
 231        grep -s bitmap > /dev/null /proc/mdstat || {
 232                 echo >&2 ERROR no bitmap ; cat /proc/mdstat ; exit 1; }
 233       ;;
 234     nobitmap )
 235        if grep -s "bitmap" > /dev/null /proc/mdstat
 236        then
 237                 echo >&2 ERROR bitmap present ; cat /proc/mdstat ; exit 1;
 238        fi
 239       ;;
 240
 241     * ) echo >&2 ERROR unknown check $1 ; exit 1;
 242    esac
 243 }
 244
 245 no_errors() {
 246   if [ -s $targetdir/stderr ]
 247   then echo Bad errors from mdadm: ; cat $targetdir/stderr; exit 2;
 248   fi
 249 }
 250 # basic device test
 251
 252 testdev() {
 253    udevadm settle
 254    dev=$1
 255    cnt=$2
 256    dvsize=$3
 257    chunk=$4
 258    if [ -z "$5" ]; then
 259       mkfs.ext3 -F -j $dev > /dev/null 2>&1 && fsck -fn $dev >&2
 260    fi
 261    dsize=$[dvsize/chunk]
 262    dsize=$[dsize*chunk]
 263    rasize=$[dsize*2*cnt]
 264    # rasize is in sectors
 265    if [ -n "$DEV_ROUND_K" ]; then
 266       rasize=$[rasize/DEV_ROUND_K/2]
 267       rasize=$[rasize*DEV_ROUND_K*2]
 268    fi
 269    if [ `/sbin/blockdev --getsize $dev` -eq 0 ]; then sleep 2 ; fi
 270    _sz=`/sbin/blockdev --getsize $dev`
 271    if [ $rasize -lt $_sz -o $[rasize*4/5] -gt $_sz ]
 272    then
 273      echo "ERROR: size is wrong for $dev: $cnt * $dvsize (chunk=$chunk) = $rasize, not $_sz"
 274      exit 1
 275    fi
 276 }
 277
 278 fast_sync() {
 279   echo 200000 > /proc/sys/dev/raid/speed_limit_max
 280 }
 281
 282 rotest() {
 283   dev=$1
 284   fsck -fn $dev >&2
 285 }
 286
 287 do_test() {
 288   _script=$1
 289   _basename=`basename $_script`
 290   if [ -f "$_script" ]
 291   then
 292     rm -f $targetdir/stderr
 293     # stop all arrays, just incase some script left an array active.
 294     $mdadm -Ssq 2> /dev/null
 295     mdadm --zero $devlist 2> /dev/null
 296     mdadm --zero $devlist 2> /dev/null
 297     # this might have been reset: restore the default.
 298     echo 2000 > /proc/sys/dev/raid/speed_limit_max
 299     # source script in a subshell, so it has access to our
 300     # namespace, but cannot change it.
 301     echo -ne "$_script... "
 302     if ( set -ex ; . $_script ) &> $targetdir/log
 303     then
 304       echo "succeeded"
 305       _fail=0
 306     else
 307       log=log
 308       cat $targetdir/stderr >> $targetdir/log
 309       echo "=======================dmesg=================" >> $targetdir/log
 310       dmesg | tail -n 200 >> $targetdir/log
 311       if [ $exitonerror == 0 ]; then
 312           log=log-`basename $_script`
 313           mv $targetdir/log $logdir/$log
 314       fi
 315       echo "FAILED - see $logdir/$log for details"
 316       _fail=1
 317     fi
 318     if [ "$savelogs" == "1" ]; then
 319       cp $targetdir/log $logdir/$_basename.log
 320     fi
 321     if [ "$_fail" == "1" -a "$exitonerror" == "1" ]; then
 322       exit 1
 323     fi
 324   fi
 325 }
 326
 327 do_help() {
 328   echo "Usage: $0 [options]"
 329   echo " Options:"
 330   echo "    --tests=<test1,test2,..>    Comma separated list of tests to run"
 331   echo "    --disable-multipath         Disable any tests involving multipath"
 332   echo "    --disable-integrity         Disable slow tests of RAID[56] consistency"
 333   echo "    --logdir=<directory>        Directory to save logfiles in"
 334   echo "    --save-logs                 Save all logs in <logdir>"
 335   echo "    --keep-going                Don't stop on error, ie. run all tests"
 336   echo "    --dev=[loop|lvm|ram]        Use loop devices (default), LVM, or RAM disk"
 337   echo "    --volgroup=<name>           LVM volume group for LVM test"
 338   echo "    setup                       Setup test environment and exit"
 339   echo "    cleanup                     Cleanup test environment"
 340   echo "    <prefix>                    Run tests with <prefix>"
 341 }
 342
 343 parse_args() {
 344   for i in $*
 345   do
 346     case $i in
 347     [0-9]*)
 348       prefix=$i
 349       ;;
 350     setup)
 351       echo "mdadm test environment setup"
 352       do_setup
 353       trap 0; exit 0
 354       ;;
 355     cleanup)
 356       cleanup
 357       exit 0
 358       ;;
 359     --tests=*)
 360       TESTLIST=`expr "x$i" : 'x[^=]*=\(.*\)' | sed -e 's/,/ /g'`
 361       ;;
 362     --logdir=*)
 363       logdir=`expr "x$i" : 'x[^=]*=\(.*\)'`
 364       ;;
 365     --save-logs)
 366       savelogs=1
 367       ;;
 368     --keep-going | --no-error)
 369       exitonerror=0
 370       ;;
 371     --disable-multipath)
 372       unset MULTIPATH
 373       ;;
 374     --disable-integrity)
 375       unset INTEGRITY
 376       ;;
 377     --dev=loop)
 378       DEVTYPE=loop
 379       ;;
 380     --dev=lvm)
 381       DEVTYPE=lvm
 382       ;;
 383     --dev=ram)
 384       DEVTYPE=ram
 385       ;;
 386     --volgroup=*)
 387       LVM_VOLGROUP=`expr "x$i" : 'x[^=]*=\(.*\)'`
 388       ;;
 389     --help)
 390       do_help
 391       exit 0;
 392       ;;
 393     -*)
 394       echo " $0: Unknown argument: $i"
 395       do_help
 396       exit 0;
 397       ;;
 398     esac
 399 done
 400 }
 401
 402 logdir=$targetdir
 403 parse_args $@
 404
 405 do_setup
 406 mkdir -p $logdir
 407
 408 if [ "$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