Fix assembling of raid10 in the face of missing devices.

[thirdparty/mdadm.git] / test

#!/bin/sh
#
# 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]'
if [ -n "$1" ]
then prefix=$1
fi

dir=`pwd`
mdadm=$dir/mdadm
if [ \! -x $mdadm ]
then
   echo >&2 "test: $mdadm isn't usable."
fi

# assume md0, md1, md2 exist in /dev
md0=/dev/md0 md1=/dev/md1 md2=/dev/md2

# We test mdadm on loop-back block devices.
# dir for storing files should be settable by command line maybe
targetdir=/var/tmp
size=20000
mdsize0=19904
mdsize1=19992
mdsize11=19996
mdsize12=19992

cleanup() {
	$mdadm -Ss
	for d in 0 1 2 3 4 5 6 7
	do losetup -d /dev/loop$d ; # rm -f $targetdir/mdtest$d
        done
}

trap cleanup 0 1 2 3 15

devlist=
for d in 0 1 2 3 4 5 6 7
do
   [ -f $targetdir/mdtest$d ] || dd if=/dev/zero of=$targetdir/mdtest$d count=$size bs=1K > /dev/null 2>&1
   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\"
done
path0=$dev6
path1=$dev7


# mdadm always adds --quiet, and we want to see any unexpected messages
mdadm() {
    $mdadm 2>&1 --quiet "$@"
}

# check various things
check() {
   case $1 in
    raid* | linear )
      grep -s "active $1 " /proc/mdstat > /dev/null || {
   		echo >&2 "ERROR active $1 not found" ; cat /proc/mdstat ; exit 1;}
     ;;
    resync | recovery )
      sleep 0.1
      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 're[synccovery]* =' > /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 're[synccovery]* =' > /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
}

# basic device test

testdev() {
   dev=$1
   cnt=$2
   dvsize=$3
   chunk=$4
   mkfs -j $dev > /dev/null 2>&1 && fsck -fn $dev >&2
   dsize=$[dvsize/chunk]
   dsize=$[dsize*chunk]
   rasize=$[dsize*1024*cnt]
   if [ $rasize -ne `/sbin/blockdev --getsize64 $dev` ]
   then
     echo "ERROR: size is wrong for $dev: $cnt * $dvsize (chunk=$chunk) = $rasize, not `/sbin/blockdev --getsize64 $dev`"
     exit 1
   fi
}

rotest() {
  dev=$1
  fsck -fn $dev >&2
}



for script in tests/$prefix tests/$prefix*[^~]
do
  if [ -f "$script" ]
  then
   # source script in a subshell, so it has access to our
   # namespace, but cannot change it.
   if ( set -ex ; . $script )  2> $targetdir/log
   then echo "$script succeeded" 
   else cat $targetdir/log
        echo "$script failed"
       exit 1
   fi
  fi
done
exit 0