]> git.ipfire.org Git - thirdparty/mdadm.git/blobdiff - test
mdadm/grow: Component size must be larger than chunk size
[thirdparty/mdadm.git] / test
diff --git a/test b/test
index 9340afeb1f6552f54d81be0bdcbd67a82de9a825..25268a0f76b38a6554df244f13e5ac665ae96362 100755 (executable)
--- a/test
+++ b/test
@@ -1,40 +1,34 @@
 #!/bin/bash
 #
 # run test suite for mdadm
-user=`id -un`
-if [ " $user" != " root" ]
-then echo >&2 "test: testing can only be done as 'root'."
-     exit 1;
-fi
-
-prefix='[0-9][0-9]'
-
-dir=`pwd`
+dir=$(pwd)
 mdadm=$dir/mdadm
-if [ \! -x $mdadm ]
-then
-   echo >&2 "test: $mdadm isn't usable."
-fi
-
 testdir="tests"
-logdir="$testdir/logs"
-logsave=0
+targetdir="/var/tmp"
+logdir="$targetdir"
+config=/tmp/mdadm.conf
+
+savelogs=0
 exitonerror=1
+prefix='[0-9][0-9]'
+
+# use loop devices by default if doesn't specify --dev
+DEVTYPE=loop
+INTEGRITY=yes
+LVM_VOLGROUP=mdtest
 
-# Check whether to run multipath tests
-modprobe multipath 2> /dev/null
-if grep -s 'Personalities : .*multipath' > /dev/null /proc/mdstat ; then
-    MULTIPATH="yes"
-fi
+# make sure to test local mdmon, not system one
+export MDADM_NO_SYSTEMCTL=1
 
 # assume md0, md1, md2 exist in /dev
-md0=/dev/md0 md1=/dev/md1 md2=/dev/md2
+md0=/dev/md0
+md1=/dev/md1
+md2=/dev/md2
 mdp0=/dev/md_d0
 mdp1=/dev/md_d1
 
 # We test mdadm on loop-back block devices.
 # dir for storing files should be settable by command line maybe
-targetdir=/var/tmp
 size=20000
 # super0, round down to multiple of 64 and substract 64
 mdsize0=19904
@@ -56,269 +50,551 @@ mdsize12=19988
 # ddf needs bigger devices as 32Meg is reserved!
 ddfsize=65536
 
-config=/tmp/mdadm.conf
+# $1 is optional parameter, it shows why to save log
+save_log() {
+       status=$1
+       logfile="$status""$_basename".log
+
+       cat $targetdir/stderr >> $targetdir/log
+       cp $targetdir/log $logdir/$_basename.log
+       echo "## $HOSTNAME: saving dmesg." >> $logdir/$logfile
+       dmesg -c >> $logdir/$logfile
+       $mdadm -As 2> /dev/null
+       echo "## $HOSTNAME: saving proc mdstat." >> $logdir/$logfile
+       cat /proc/mdstat >> $logdir/$logfile
+       array=($(mdadm -Ds | cut -d' ' -f2))
+       echo "## $HOSTNAME: mdadm -D ${array[@]}" >> $logdir/$logfile
+       $mdadm -D ${array[@]} >> $logdir/$logfile
+       [ "$1" == "fail" ] &&
+               echo "FAILED - see $logdir/$_basename.log and $logdir/$logfile for details"
+       # ignore saving external(external file, imsm...) bitmap
+       cat /proc/mdstat | grep -q "linear\|external" && return 0
+       if [ $DEVTYPE == 'lvm' ]
+       then
+               # not supported lvm type yet
+               echo
+       elif [ "$DEVTYPE" == 'loop' -o "$DEVTYPE" == 'disk' ]
+       then
+               if [ ! -z "$array" -a ${#array[@]} -ge 1 ]
+               then
+                       md_disks=($($mdadm -D -Y ${array[@]} | grep "/dev/" | cut -d'=' -f2))
+                       cat /proc/mdstat | grep -q "bitmap"
+                       if [ $? -eq 0 ]
+                       then
+                               echo "## $HOSTNAME: mdadm -X ${md_disks[@]}" >> $logdir/$logfile
+                               $mdadm -X ${md_disks[@]} >> $logdir/$logfile
+                       fi
+               else
+                       echo "## $HOSTNAME: no array assembled!" >> $logdir/$logfile
+               fi
+       fi
+}
+
+die() {
+       echo -e "\n\tERROR: $* \n"
+       save_log fail
+       exit 2
+}
 
 cleanup() {
        udevadm settle
        $mdadm -Ssq 2> /dev/null
-       for d in 0 1 2 3 4 5 6 7  8 9 10 11 12
-       do
-           losetup -d /dev/loop$d ; # rm -f $targetdir/mdtest$d
-           rm -f /dev/disk/by-path/loop*
-       done
+       case $DEVTYPE in
+       loop )
+               for d in 0 1 2 3 4 5 6 7  8 9 10 11 12 13
+               do
+                       losetup -d /dev/loop$d
+                       rm -f /dev/disk/by-path/loop*
+                       rm -f /var/tmp/mdtest$d
+               done
+               ;;
+       lvm )
+               for d in 0 1 2 3 4 5 6 7  8 9 10 11 12 13
+               do
+                       eval "lvremove --quiet -f \$dev$d"
+               done
+               ;;
+       disk )
+               $mdadm --zero ${disks[@]} &> /dev/null
+               ;;
+       esac
+}
+
+ctrl_c() {
+       exitonerror=1
 }
 
 do_setup() {
-  trap cleanup 0 1 2 3 15
+       trap cleanup 0 1 3 15
+       trap ctrl_c 2
 
-  devlist=
-  for d in 0 1 2 3 4 5 6 7 8 9 10 11 12
-  do
-    sz=$size
-    if [ $d -gt 7 ]; then sz=$ddfsize ; fi
-    [ -f $targetdir/mdtest$d ] || dd if=/dev/zero of=$targetdir/mdtest$d count=$sz bs=1K > /dev/null 2>&1
-    [ -b /dev/loop$d ] || mknod /dev/loop$d b 7 $d
-    if [ $d -eq 7 ]
-    then
-      losetup /dev/loop$d $targetdir/mdtest6 # for multipath use
-    else
-      losetup /dev/loop$d $targetdir/mdtest$d
-    fi
-    eval dev$d=/dev/loop$d
-    eval file$d=$targetdir/mdtest$d
-    eval devlist=\"\$devlist \$dev$d\"
-   #" <-- add this quote to un-confuse vim syntax highlighting
-  done
-  path0=$dev6
-  path1=$dev7
+       [ -d $logdir ] || mkdir -p $logdir
+       dmesg -c > /dev/null
 
-  ulimit -c unlimited
-  [ -f /proc/mdstat ] || modprobe md_mod
-  echo 2000 > /proc/sys/dev/raid/speed_limit_max
-  echo 0 > /sys/module/md_mod/parameters/start_ro
+       devlist=
+       if [ "$DEVTYPE" == "loop" ]
+       then
+               # make sure there are no loop devices remaining.
+               # udev started things can sometimes prevent them being stopped
+               # immediately
+               while grep loop /proc/partitions > /dev/null 2>&1
+               do
+                       $mdadm -Ssq
+                       losetup -d /dev/loop[0-9]* 2> /dev/null
+                       sleep 0.2
+               done
+       elif [ "$DEVTYPE" == "disk" ]
+       then
+               if [ ! -z "$disks" ]
+               then
+                       for d in $(seq 0 ${#disks[@]})
+                       do
+                               eval "dev$d=${disks[$d]}"
+                               eval devlist=\"\$devlist \$dev$d\"
+                               eval devlist$d=\"\$devlist\"
+                       done
+                       $mdadm --zero ${disks[@]} &> /dev/null
+               else
+                       echo "Forget to provide physical devices for disk mode."
+                       exit 1
+               fi
+       fi
+       for d in 0 1 2 3 4 5 6 7 8 9 10 11 12 13
+       do
+               sz=$size
+               [ $d -gt 7 ] && sz=$ddfsize
+               case $DEVTYPE in
+               loop)
+                       [ -f $targetdir/mdtest$d ] ||
+                               dd if=/dev/zero of=$targetdir/mdtest$d count=$sz bs=1K > /dev/null 2>&1
+                       # make sure udev doesn't touch
+                       mdadm --zero $targetdir/mdtest$d 2> /dev/null
+                       [ -b /dev/loop$d ] || mknod /dev/loop$d b 7 $d
+                       if [ $d -eq 7 ]
+                       then
+                               losetup /dev/loop$d $targetdir/mdtest6 # for multipath use
+                       else
+                               losetup /dev/loop$d $targetdir/mdtest$d
+                       fi
+                       eval dev$d=/dev/loop$d
+                       eval file$d=$targetdir/mdtest$d
+                       ;;
+               lvm)
+                       unset MULTIPATH
+                       eval dev$d=/dev/mapper/${LVM_VOLGROUP}-mdtest$d
+                       if ! lvcreate --quiet -L ${sz}K -n mdtest$d $LVM_VOLGROUP
+                       then
+                               trap '' 0 # make sure lvremove is not called
+                               eval echo error creating \$dev$d
+                               exit 129
+                       fi
+                       ;;
+               ram)
+                       unset MULTIPATH
+                       eval dev$d=/dev/ram$d
+                       ;;
+               esac
+               eval devlist=\"\$devlist \$dev$d\"
+               eval devlist$d=\"\$devlist\"
+               #" <-- add this quote to un-confuse vim syntax highlighting
+       done
+       path0=$dev6
+       path1=$dev7
+       ulimit -c unlimited
+       [ -f /proc/mdstat ] || modprobe md_mod
+       echo 2000 > /proc/sys/dev/raid/speed_limit_max
+       echo 0 > /sys/module/md_mod/parameters/start_ro
 }
 
 # mdadm always adds --quiet, and we want to see any unexpected messages
 mdadm() {
-    rm -f $targetdir/stderr
-    case $* in
-       *-S* ) udevadm settle;;
-    esac
-    case $* in
-       *-C* ) $mdadm 2> $targetdir/stderr --quiet "$@" --auto=yes;;
-        * )   $mdadm 2> $targetdir/stderr --quiet "$@"
-    esac
-    rv=$?
-    case $* in
-       *-S* ) udevadm settle;;
-    esac
-    cat >&2 $targetdir/stderr
-    return $rv
+       rm -f $targetdir/stderr
+       case $* in
+       *-S* )
+               udevadm settle
+               p=`cat /proc/sys/dev/raid/speed_limit_max`
+               echo 20000 > /proc/sys/dev/raid/speed_limit_max
+               ;;
+       esac
+       case $* in
+       *-C* | *--create* | *-B* | *--build* )
+               # clear superblock every time once creating or
+               # building arrays, because it's always creating
+               # and building array many times in a test case.
+               for args in $*
+               do
+                       [[ $args =~ "/dev/" ]] && {
+                               [[ $args =~ "md" ]] ||
+                                       $mdadm --zero $args > /dev/null
+                       }
+               done
+               $mdadm 2> $targetdir/stderr --quiet "$@" --auto=yes
+               ;;
+       * )
+               $mdadm 2> $targetdir/stderr --quiet "$@"
+               ;;
+       esac
+       rv=$?
+       case $* in
+       *-S* )
+               udevadm settle
+               echo $p > /proc/sys/dev/raid/speed_limit_max
+               ;;
+       esac
+       cat >&2 $targetdir/stderr
+       return $rv
 }
 
 # check various things
 check() {
-   case $1 in
-    spares )
-       spares=`tr '] ' '\012\012' < /proc/mdstat | grep -c '(S)' || exit 0`
-       if [ $spares -ne $2 ]
-       then
-          echo >&2 "ERROR expected $2 spares, found $spares"; exit 1;
-       fi
-      ;;
-    raid* | linear )
-      grep -s "active $1 " /proc/mdstat > /dev/null || {
-               echo >&2 "ERROR active $1 not found" ; cat /proc/mdstat ; exit 1;}
-     ;;
-    resync | recovery | reshape)
-      sleep 0.5
-      grep -s $1 /proc/mdstat > /dev/null || {
-               echo >&2 ERROR no $1 happening; cat /proc/mdstat; exit 1; }
-     ;;
-
-     nosync )
-       sleep 0.5
-       if grep -s -E '(resync|recovery|reshape) *=' > /dev/null /proc/mdstat ; then
-               echo >&2 "ERROR resync or recovery is happening!"; cat /proc/mdstat ; exit 1;
-       fi
-     ;;
-
-    wait )
-      sleep 0.1
-      while grep -E '(resync|recovery|reshape|check|repair) *=' > /dev/null /proc/mdstat
-      do sleep 2;
-      done
-      ;;
-
-    state )
-       grep -s "blocks.*\[$2\]\$" /proc/mdstat > /dev/null || {
-               echo >&2 "ERROR state $2 not found!"; cat /proc/mdstat ; exit 1; }
-       sleep 0.5
-      ;;
-
-    bitmap )
-       grep -s bitmap > /dev/null /proc/mdstat || {
-               echo >&2 ERROR no bitmap ; cat /proc/mdstat ; exit 1; }
-      ;;
-    nobitmap )
-       if grep -s "bitmap" > /dev/null /proc/mdstat
-       then
-               echo >&2 ERROR bitmap present ; cat /proc/mdstat ; exit 1;
-       fi
-      ;;
-
-    * ) echo >&2 ERROR unknown check $1 ; exit 1;
-   esac
+       case $1 in
+       spares )
+               spares=$(tr '] ' '\012\012' < /proc/mdstat | grep -c '(S)' || exit 0)
+               [ $spares -ne $2 ] &&
+                       die "expected $2 spares, found $spares"
+               ;;
+       raid* | linear )
+               grep -sq "active $1 " /proc/mdstat ||
+                       die "active $1 not found"
+               ;;
+       algorithm )
+               grep -sq " algorithm $2 " /proc/mdstat ||
+                       die "algorithm $2 not found"
+               ;;
+       resync | recovery | reshape )
+               cnt=5
+               while ! grep -sq $1 /proc/mdstat
+               do
+                       if [ $cnt -gt 0 ] && grep -v idle /sys/block/md*/md/sync_action > /dev/null
+                       then # Something isn't idle - wait a bit
+                               sleep 0.5
+                               cnt=$[cnt-1]
+                       else
+                               die "no $1 happening"
+                       fi
+               done
+               ;;
+       nosync )
+               sleep 0.5
+               # Since 4.2 we delay the close of recovery until there has been a chance for
+               # spares to be activated.  That means that a recovery that finds nothing
+               # to do can still take a little longer than expected.
+               # add an extra check: is sync_completed shows the end is reached, assume
+               # there is no recovery.
+               if grep -sq -E '(resync|recovery|reshape) *=' /proc/mdstat
+               then
+                       incomplete=`grep / /sys/block/md*/md/sync_completed 2> /dev/null | sed '/^ *\([0-9]*\) \/ \1/d'`
+                       [ -n "$incomplete" ] &&
+                               die "resync or recovery is happening!"
+               fi
+               ;;
+       wait )
+               p=`cat /proc/sys/dev/raid/speed_limit_max`
+               echo 2000000 > /proc/sys/dev/raid/speed_limit_max
+               sleep 0.1
+               while grep -Eq '(resync|recovery|reshape|check|repair) *=' /proc/mdstat ||
+                       grep -v idle > /dev/null /sys/block/md*/md/sync_action
+               do
+                       sleep 0.5
+               done
+               echo $p > /proc/sys/dev/raid/speed_limit_max
+               ;;
+       state )
+               grep -sq "blocks.*\[$2\]\$" /proc/mdstat ||
+                       die "state $2 not found!"
+               sleep 0.5
+               ;;
+       bitmap )
+               grep -sq bitmap /proc/mdstat ||
+                       die "no bitmap"
+               ;;
+       nobitmap )
+               grep -sq "bitmap" /proc/mdstat &&
+                       die "bitmap present"
+               ;;
+       readonly )
+               grep -sq "read-only" /proc/mdstat ||
+                       die "array is not read-only!"
+               ;;
+       inactive )
+               grep -sq "inactive" /proc/mdstat ||
+                       die "array is not inactive!"
+               ;;
+       * )
+               die "unknown check $1"
+               ;;
+       esac
 }
 
 no_errors() {
-  if [ -s $targetdir/stderr ]
-  then echo Bad errors from mdadm: ; cat $targetdir/stderr; exit 2;
-  fi
+       if [ -s $targetdir/stderr ]
+       then
+               echo Bad errors from mdadm:
+               cat $targetdir/stderr
+               exit 2
+       fi
 }
-# basic device test
 
+# basic device test
 testdev() {
-   udevadm settle
-   dev=$1
-   cnt=$2
-   dvsize=$3
-   chunk=$4
-   if [ -z "$5" ]; then
-      mkfs -j $dev > /dev/null 2>&1 && fsck -fn $dev >&2
-   fi
-   dsize=$[dvsize/chunk]
-   dsize=$[dsize*chunk]
-   rasize=$[dsize*2*cnt]
-   # rasize is in sectors
-   if [ -n "$DEV_ROUND_K" ]; then
-      rasize=$[rasize/DEV_ROUND_K/2]
-      rasize=$[rasize*DEV_ROUND_K*2]
-   fi
-   if [ `/sbin/blockdev --getsize $dev` -eq 0 ]; then sleep 2 ; fi
-   _sz=`/sbin/blockdev --getsize $dev`
-   if [ $rasize -lt $_sz -o $[rasize*4/5] -gt $_sz ]
-   then
-     echo "ERROR: size is wrong for $dev: $cnt * $dvsize (chunk=$chunk) = $rasize, not $_sz"
-     exit 1
-   fi
+       [ -b $1 ] || die "$1 isn't a block device."
+       [ "$DEVTYPE" == "disk" ] && return 0
+       udevadm settle
+       dev=$1
+       cnt=$2
+       dvsize=$3
+       chunk=$4
+       if [ -z "$5" ]
+       then
+               mkfs.ext3 -F -j $dev > /dev/null 2>&1 && fsck -fn $dev >&2
+       fi
+       dsize=$[dvsize/chunk]
+       dsize=$[dsize*chunk]
+       rasize=$[dsize*2*cnt]
+       # rasize is in sectors
+       if [ -n "$DEV_ROUND_K" ]
+       then
+               rasize=$[rasize/DEV_ROUND_K/2]
+               rasize=$[rasize*DEV_ROUND_K*2]
+       fi
+       [ `/sbin/blockdev --getsize $dev` -eq 0 ] && sleep 2
+       _sz=`/sbin/blockdev --getsize $dev`
+       [ $rasize -lt $_sz -o $[rasize*4/5] -gt $_sz ] &&
+               die "size is wrong for $dev: $cnt * $dvsize (chunk=$chunk) = $rasize, not $_sz"
+       return 0
 }
 
 rotest() {
-  dev=$1
-  fsck -fn $dev >&2
+       dev=$1
+       fsck -fn $dev >&2
 }
 
 do_test() {
-  _script=$1
-  _basename=`basename $_script`
-  if [ -f "$_script" ]
-  then
-    rm -f $targetdir/stderr
-    # stop all arrays, just incase some script left an array active.
-    $mdadm -Ssq 2> /dev/null
-    mdadm --zero $devlist 2> /dev/null
-    mdadm --zero $devlist 2> /dev/null
-    # source script in a subshell, so it has access to our
-    # namespace, but cannot change it.
-    echo -ne "$_script... "
-    if ( set -ex ; . $_script )  2> $targetdir/log
-    then
-      echo "succeeded"
-      _fail=0
-    else
-      echo "FAILED - see $targetdir/log for details"
-      _fail=1
-    fi
-    if [ "$savelogs" == "1" ]; then
-      cp $targetdir/log $logdir/$_basename.log
-    fi
-    if [ "$_fail" == "1" -a "$exitonerror" == "1" ]; then
-      exit 1
-    fi
-  fi
+       _script=$1
+       _basename=`basename $_script`
+       if [ -f "$_script" ]
+       then
+               rm -f $targetdir/stderr
+               # stop all arrays, just incase some script left an array active.
+               $mdadm -Ssq 2> /dev/null
+               mdadm --zero $devlist 2> /dev/null
+               # this might have been reset: restore the default.
+               echo 2000 > /proc/sys/dev/raid/speed_limit_max
+               # source script in a subshell, so it has access to our
+               # namespace, but cannot change it.
+               echo -ne "$_script... "
+               if ( set -ex ; . $_script ) &> $targetdir/log
+               then
+                       dmesg | grep -iq "error\|call trace\|segfault" &&
+                               die "dmesg prints errors when testing $_basename!"
+                       echo "succeeded"
+                       _fail=0
+               else
+                       save_log fail
+                       _fail=1
+               fi
+               [ "$savelogs" == "1" ] &&
+                       mv -f $targetdir/log $logdir/$_basename.log
+               [ "$_fail" == "1" -a "$exitonerror" == "1" ] && exit 1
+       fi
 }
 
 do_help() {
-  echo "Usage: $0 [options]"
-  echo " Options:"
-  echo "    --tests=<test1,test2,..>    Comma separated list of tests to run"
-  echo "    --disable-multipath         Disable any tests involving multipath"
-  echo "    --logdir=<directory>        Directory to save logfiles in"
-  echo "    --save-logs                 Save all logs in <logdir>"
-  echo "    --no-error                  Don't stop on error, ie. run all tests"
-  echo "    setup                       Setup test environment and exit"
-  echo "    cleanup                     Cleanup test environment"
-  echo "    <prefix>                    Run tests with <prefix>"
+       cat <<-EOF
+       Usage: $0 [options]
+       Example for disk mode: ./test --dev=disk --disks=/dev/sda{2..15}
+       Options:
+               --tests=test1,test2,...     Comma separated list of tests to run
+               --raidtype=                 raid0|linear|raid1|raid456|raid10|ddf|imsm
+               --disable-multipath         Disable any tests involving multipath
+               --disable-integrity         Disable slow tests of RAID[56] consistency
+               --logdir=directory          Directory to save all logfiles in
+               --save-logs                 Usually use with --logdir together
+               --keep-going | --no-error   Don't stop on error, ie. run all tests
+               --dev=loop|lvm|ram|disk     Use loop devices (default), LVM, RAM or disk
+               --disks=                    Provide a bunch of physical devices for test
+               --volgroup=name             LVM volume group for LVM test
+               setup                       Setup test environment and exit
+               cleanup                     Cleanup test environment
+               prefix                      Run tests with <prefix>
+               --help | -h                 Print this usage
+       EOF
 }
 
 parse_args() {
-  for i in $*
-  do
-    case $i in
-    [0-9]*)
-      prefix=$i
-      ;;
-    setup)
-      echo "mdadm test environment setup"
-      do_setup
-      trap 0; exit 0
-      ;;
-    cleanup)
-      cleanup
-      exit 0
-      ;;
-    --tests=*)
-      TESTLIST=`expr "x$i" : 'x[^=]*=\(.*\)' | sed -e 's/,/ /g'`
-      ;;
-    --logdir=*)
-      logdir=`expr "x$i" : 'x[^=]*=\(.*\)'`
-      ;;
-    --save-logs)
-      savelogs=1
-      if [ ! -d $logdir ] ; then
-        mkdir $logdir
-        if [ $? -ne 0 ] ; then
-         exit 1;
+       for i in $*
+       do
+               case $i in
+               [0-9][0-9] )
+                       prefix=$i
+                       ;;
+               setup )
+                       echo "mdadm test environment setup"
+                       do_setup
+                       trap 0
+                       exit 0
+                       ;;
+               cleanup )
+                       cleanup
+                       exit 0
+                       ;;
+               --tests=* )
+                       TESTLIST=($(echo ${i##*=} | sed -e 's/,/ /g'))
+                       ;;
+               --raidtype=* )
+                       case ${i##*=} in
+                       raid0 )
+                               TESTLIST=($(ls $testdir | grep "[0-9][0-9]r0\|raid0"))
+                               ;;
+                       linear )
+                               TESTLIST=($(ls $testdir | grep "linear"))
+                               ;;
+                       raid1 )
+                               TESTLIST=($(ls $testdir | grep "[0-9][0-9]r1\|raid1" | grep -vi raid10))
+                               ;;
+                       raid456 )
+                               TESTLIST=($(ls $testdir | grep "[0-9][0-9]r[4-6]\|raid[4-6]"))
+                               ;;
+                       raid10 )
+                               TESTLIST=($(ls $testdir | grep "[0-9][0-9]r10\|raid10"))
+                               ;;
+                       ddf )
+                               TESTLIST=($(ls $testdir | grep "[0-9][0-9]ddf"))
+                               ;;
+                       imsm )
+                               TESTLIST=($(ls $testdir | grep "[0-9][0-9]imsm"))
+                               ;;
+                       * )
+                               echo "Unknown argument: $i"
+                               do_help
+                               exit 1
+                               ;;
+                       esac
+                       ;;
+               --logdir=* )
+                       logdir="${i##*=}"
+                       ;;
+               --save-logs )
+                       savelogs=1
+                       ;;
+               --keep-going | --no-error )
+                       exitonerror=0
+                       ;;
+               --disable-multipath )
+                       unset MULTIPATH
+                       ;;
+               --disable-integrity )
+                       unset INTEGRITY
+                       ;;
+               --dev=* )
+                       case ${i##*=} in
+                       loop )
+                               DEVTYPE=loop
+                               ;;
+                       lvm )
+                               DEVTYPE=lvm
+                               ;;
+                       ram )
+                               DEVTYPE=ram
+                               ;;
+                       disk )
+                               DEVTYPE=disk
+                               ;;
+                       * )
+                               echo "Unknown argument: $i"
+                               do_help
+                               exit 1
+                               ;;
+                       esac
+                       ;;
+               --disks=* )
+                       disks=(${disks[*]} ${i##*=})
+                       ;;
+               --volgroup=* )
+                       LVM_VOLGROUP=`expr "x$i" : 'x[^=]*=\(.*\)'`
+                       ;;
+               --help | -h )
+                       do_help
+                       exit 0
+                       ;;
+               * )
+                       echo " $0: Unknown argument: $i"
+                       do_help
+                       exit 1
+                       ;;
+               esac
+       done
+}
+
+check_env() {
+       user=$(id -un)
+       [ "X$user" != "Xroot" ] && {
+               echo "test: testing can only be done as 'root'."
+               exit 1
+       }
+       [ -x "raid6check" -a -x $mdadm ] || {
+               echo "test: please run 'make everything' before perform testing."
+               exit 1
+       }
+       cmds=(mdadm lsblk df udevadm losetup mkfs.ext3 fsck seq)
+       for cmd in ${cmds[@]}
+       do
+               which $cmd > /dev/null || {
+                       echo "$cmd command not found!"
+                       exit 1
+               }
+       done
+       mdadm_src_ver="$($mdadm -V 2>&1)"
+       mdadm_sbin_ver="$($(which mdadm) -V 2>&1)"
+       if [ "$mdadm_src_ver" != "$mdadm_sbin_ver" ]
+       then
+               # it's nessesary to 'make install' mdadm to /SBIN/DIR,
+               # such as systemd/mdadm-grow-continue@.service, would
+               # run as an instance by systemd when reshape happens,
+               # thus ensure that the correct mdadm is in testing.
+               echo "test: please run 'make install' before testing."
+               exit 1
+       fi
+       if ! $(df -T . | grep -iq ext)
+       then
+               # 'external file' bitmap only supports with ext[2-4] file system
+               echo "test: please run test suite with ext[2-4] file system."
+               exit 1
        fi
-      fi
-      ;;
-    --no-error)
-      exitonerror=0
-      ;;
-    --disable-multipath)
-      unset MULTIPATH
-      ;;
-    --help)
-      do_help
-      exit 0;
-      ;;
-    -*)
-      echo " $0: Unknown argument: $i"
-      do_help
-      exit 0;
-      ;;
-    esac
-done
+       if $(lsblk -a | grep -iq raid)
+       then
+               # donot run mdadm -Ss directly if there are RAIDs working.
+               echo "test: please run test suite without running RAIDs environment."
+               exit 1
+       fi
+       # Check whether to run multipath tests
+       modprobe multipath 2> /dev/null
+       grep -sq 'Personalities : .*multipath' /proc/mdstat &&
+               MULTIPATH="yes"
 }
 
-parse_args $@
+main() {
+       check_env
+       do_setup
 
-do_setup
+       echo "Testing on linux-$(uname -r) kernel"
+       [ "$savelogs" == "1" ] &&
+               echo "Saving logs to $logdir"
+       if [ "x$TESTLIST" != "x" ]
+       then
+               for script in ${TESTLIST[@]}
+               do
+                       do_test $testdir/$script
+               done
+       else
+               for script in $testdir/$prefix $testdir/$prefix*[^~]
+               do
+                       do_test $script
+               done
+       fi
 
-if [ "$savelogs" == "1" ]; then
-  echo "Saving logs to $logdir"
-fi
+       exit 0
+}
 
-if [ "x$TESTLIST" != "x" ]; then
-  for script in $TESTLIST
-  do
-    do_test $testdir/$script
-  done
-else
-  for script in $testdir/$prefix $testdir/$prefix*[^~]
-  do
-    do_test $script
-  done
-fi
-exit 0
+parse_args $@
+main