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$d"
  84           done
  85           ;;
  86         esac
  87 }
  88
  89 ctrl_c() {
  90         exitonerror=1
  91 }
  92
  93 do_setup() {
  94   trap cleanup 0 1 3 15
  95   trap ctrl_c 2
  96
  97   devlist=
  98   for d in 0 1 2 3 4 5 6 7 8 9 10 11 12 13
  99   do
 100     sz=$size
 101     if [ $d -gt 7 ]; then sz=$ddfsize ; fi
 102     case $DEVTYPE in
 103     loop)
 104       [ -f $targetdir/mdtest$d ] || dd if=/dev/zero of=$targetdir/mdtest$d count=$sz bs=1K > /dev/null 2>&1
 105       [ -b /dev/loop$d ] || mknod /dev/loop$d b 7 $d
 106       if [ $d -eq 7 ]
 107       then
 108         losetup /dev/loop$d $targetdir/mdtest6 # for multipath use
 109       else
 110         losetup /dev/loop$d $targetdir/mdtest$d
 111       fi
 112       eval dev$d=/dev/loop$d
 113       eval file$d=$targetdir/mdtest$d
 114       ;;
 115     lvm)
 116       unset MULTIPATH
 117       eval dev$d=/dev/mapper/${LVM_VOLGROUP}-mdtest$d
 118       if ! lvcreate --quiet -L ${sz}K -n mdtest$d $LVM_VOLGROUP; then
 119           trap '' 0 # make sure lvremove is not called
 120           eval echo error creating \$dev$d
 121           exit 129
 122       fi
 123       ;;
 124     ram)
 125       unset MULTIPATH
 126       eval dev$d=/dev/ram$d
 127       ;;
 128     esac
 129     eval devlist=\"\$devlist \$dev$d\"
 130     eval devlist$d=\"\$devlist\"
 131    #" <-- add this quote to un-confuse vim syntax highlighting
 132   done
 133   path0=$dev6
 134   path1=$dev7
 135
 136   ulimit -c unlimited
 137   [ -f /proc/mdstat ] || modprobe md_mod
 138   echo 2000 > /proc/sys/dev/raid/speed_limit_max
 139   echo 0 > /sys/module/md_mod/parameters/start_ro
 140 }
 141
 142 # mdadm always adds --quiet, and we want to see any unexpected messages
 143 mdadm() {
 144     rm -f $targetdir/stderr
 145     case $* in
 146        *-S* ) udevadm settle;;
 147     esac
 148     case $* in
 149        *-C* ) $mdadm 2> $targetdir/stderr --quiet "$@" --auto=yes;;
 150         * )   $mdadm 2> $targetdir/stderr --quiet "$@"
 151     esac
 152     rv=$?
 153     case $* in
 154        *-S* ) udevadm settle;;
 155     esac
 156     cat >&2 $targetdir/stderr
 157     return $rv
 158 }
 159
 160 # check various things
 161 check() {
 162    case $1 in
 163     spares )
 164        spares=`tr '] ' '\012\012' < /proc/mdstat | grep -c '(S)' || exit 0`
 165        if [ $spares -ne $2 ]
 166        then
 167           echo >&2 "ERROR expected $2 spares, found $spares"; exit 1;
 168        fi
 169       ;;
 170     raid* | linear )
 171       grep -s "active $1 " /proc/mdstat > /dev/null || {
 172                 echo >&2 "ERROR active $1 not found" ; cat /proc/mdstat ; exit 1;}
 173      ;;
 174     algorithm )
 175       grep -s " algorithm $2 " /proc/mdstat > /dev/null || {
 176           echo >&2 "ERROR algorithm $2 not found"; cat /proc/mdstat; exit 1;}
 177      ;;
 178     resync | recovery | reshape)
 179       sleep 0.5
 180       grep -s $1 /proc/mdstat > /dev/null || {
 181                 echo >&2 ERROR no $1 happening; cat /proc/mdstat; exit 1; }
 182      ;;
 183
 184      nosync )
 185        sleep 0.5
 186        if grep -s -E '(resync|recovery|reshape) *=' > /dev/null /proc/mdstat ; then
 187                 echo >&2 "ERROR resync or recovery is happening!"; cat /proc/mdstat ; exit 1;
 188        fi
 189      ;;
 190
 191     wait )
 192       p=`cat /proc/sys/dev/raid/speed_limit_max`
 193       echo 2000000 > /proc/sys/dev/raid/speed_limit_max
 194       sleep 0.1
 195       while grep -E '(resync|recovery|reshape|check|repair) *=' > /dev/null /proc/mdstat
 196       do sleep 0.5;
 197       done
 198       echo $p > /proc/sys/dev/raid/speed_limit_max
 199       ;;
 200
 201     state )
 202        grep -s "blocks.*\[$2\]\$" /proc/mdstat > /dev/null || {
 203                 echo >&2 "ERROR state $2 not found!"; cat /proc/mdstat ; exit 1; }
 204        sleep 0.5
 205       ;;
 206
 207     bitmap )
 208        grep -s bitmap > /dev/null /proc/mdstat || {
 209                 echo >&2 ERROR no bitmap ; cat /proc/mdstat ; exit 1; }
 210       ;;
 211     nobitmap )
 212        if grep -s "bitmap" > /dev/null /proc/mdstat
 213        then
 214                 echo >&2 ERROR bitmap present ; cat /proc/mdstat ; exit 1;
 215        fi
 216       ;;
 217
 218     * ) echo >&2 ERROR unknown check $1 ; exit 1;
 219    esac
 220 }
 221
 222 no_errors() {
 223   if [ -s $targetdir/stderr ]
 224   then echo Bad errors from mdadm: ; cat $targetdir/stderr; exit 2;
 225   fi
 226 }
 227 # basic device test
 228
 229 testdev() {
 230    udevadm settle
 231    dev=$1
 232    cnt=$2
 233    dvsize=$3
 234    chunk=$4
 235    if [ -z "$5" ]; then
 236       mkfs -j $dev > /dev/null 2>&1 && fsck -fn $dev >&2
 237    fi
 238    dsize=$[dvsize/chunk]
 239    dsize=$[dsize*chunk]
 240    rasize=$[dsize*2*cnt]
 241    # rasize is in sectors
 242    if [ -n "$DEV_ROUND_K" ]; then
 243       rasize=$[rasize/DEV_ROUND_K/2]
 244       rasize=$[rasize*DEV_ROUND_K*2]
 245    fi
 246    if [ `/sbin/blockdev --getsize $dev` -eq 0 ]; then sleep 2 ; fi
 247    _sz=`/sbin/blockdev --getsize $dev`
 248    if [ $rasize -lt $_sz -o $[rasize*4/5] -gt $_sz ]
 249    then
 250      echo "ERROR: size is wrong for $dev: $cnt * $dvsize (chunk=$chunk) = $rasize, not $_sz"
 251      exit 1
 252    fi
 253 }
 254
 255 fast_sync() {
 256   echo 200000 > /proc/sys/dev/raid/speed_limit_max
 257 }
 258
 259 rotest() {
 260   dev=$1
 261   fsck -fn $dev >&2
 262 }
 263
 264 do_test() {
 265   _script=$1
 266   _basename=`basename $_script`
 267   if [ -f "$_script" ]
 268   then
 269     rm -f $targetdir/stderr
 270     # stop all arrays, just incase some script left an array active.
 271     $mdadm -Ssq 2> /dev/null
 272     mdadm --zero $devlist 2> /dev/null
 273     mdadm --zero $devlist 2> /dev/null
 274     # this might have been reset: restore the default.
 275     echo 2000 > /proc/sys/dev/raid/speed_limit_max
 276     # source script in a subshell, so it has access to our
 277     # namespace, but cannot change it.
 278     echo -ne "$_script... "
 279     if ( set -ex ; . $_script ) &> $targetdir/log
 280     then
 281       echo "succeeded"
 282       _fail=0
 283     else
 284       log=log
 285       cat $targetdir/stderr >> $targetdir/log
 286       if [ $exitonerror == 0 ]; then
 287           log=log-`basename $_script`
 288           mv $targetdir/log $targetdir/$log
 289       fi
 290       echo "FAILED - see $targetdir/$log for details"
 291       _fail=1
 292     fi
 293     if [ "$savelogs" == "1" ]; then
 294       cp $targetdir/log $logdir/$_basename.log
 295     fi
 296     if [ "$_fail" == "1" -a "$exitonerror" == "1" ]; then
 297       exit 1
 298     fi
 299   fi
 300 }
 301
 302 do_help() {
 303   echo "Usage: $0 [options]"
 304   echo " Options:"
 305   echo "    --tests=<test1,test2,..>    Comma separated list of tests to run"
 306   echo "    --disable-multipath         Disable any tests involving multipath"
 307   echo "    --disable-integrity         Disable slow tests of RAID[56] consistency"
 308   echo "    --logdir=<directory>        Directory to save logfiles in"
 309   echo "    --save-logs                 Save all logs in <logdir>"
 310   echo "    --keep-going                Don't stop on error, ie. run all tests"
 311   echo "    --dev=[loop|lvm|ram]        Use loop devices (default), LVM, or RAM disk"
 312   echo "    --volgroup=<name>           LVM volume group for LVM test"
 313   echo "    setup                       Setup test environment and exit"
 314   echo "    cleanup                     Cleanup test environment"
 315   echo "    <prefix>                    Run tests with <prefix>"
 316 }
 317
 318 parse_args() {
 319   for i in $*
 320   do
 321     case $i in
 322     [0-9]*)
 323       prefix=$i
 324       ;;
 325     setup)
 326       echo "mdadm test environment setup"
 327       do_setup
 328       trap 0; exit 0
 329       ;;
 330     cleanup)
 331       cleanup
 332       exit 0
 333       ;;
 334     --tests=*)
 335       TESTLIST=`expr "x$i" : 'x[^=]*=\(.*\)' | sed -e 's/,/ /g'`
 336       ;;
 337     --logdir=*)
 338       logdir=`expr "x$i" : 'x[^=]*=\(.*\)'`
 339       ;;
 340     --save-logs)
 341       savelogs=1
 342       if [ ! -d $logdir ] ; then
 343         mkdir $logdir
 344         if [ $? -ne 0 ] ; then
 345           exit 1;
 346         fi
 347       fi
 348       ;;
 349     --keep-going | --no-error)
 350       exitonerror=0
 351       ;;
 352     --disable-multipath)
 353       unset MULTIPATH
 354       ;;
 355     --disable-integrity)
 356       unset INTEGRITY
 357       ;;
 358     --dev=loop)
 359       DEVTYPE=loop
 360       ;;
 361     --dev=lvm)
 362       DEVTYPE=lvm
 363       ;;
 364     --dev=ram)
 365       DEVTYPE=ram
 366       ;;
 367     --volgroup=*)
 368       LVM_VOLGROUP=`expr "x$i" : 'x[^=]*=\(.*\)'`
 369       ;;
 370     --help)
 371       do_help
 372       exit 0;
 373       ;;
 374     -*)
 375       echo " $0: Unknown argument: $i"
 376       do_help
 377       exit 0;
 378       ;;
 379     esac
 380 done
 381 }
 382
 383 parse_args $@
 384
 385 do_setup
 386
 387 if [ "$savelogs" == "1" ]; then
 388   echo "Saving logs to $logdir"
 389 fi
 390
 391 if [ "x$TESTLIST" != "x" ]; then
 392   for script in $TESTLIST
 393   do
 394     do_test $testdir/$script
 395   done
 396 else
 397   for script in $testdir/$prefix $testdir/$prefix*[^~]
 398   do
 399     do_test $script
 400   done
 401 fi
 402 exit 0