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|
#!/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
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
# super00 is nested, subtract 128
mdsize00=19840
# super1.0 round down to multiple of 2, subtract 8
mdsize1=19992
# subtract another 4 for bitmaps
mdsize1b=19988
mdsize11=19992
mdsize12=19988
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=$size bs=1K > /dev/null 2>&1
[ -b /dev/loop$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\"
done
path0=$dev6
path1=$dev7
echo 2000 > /proc/sys/dev/raid/speed_limit_max
echo 0 > /sys/module/md_mod/parameters/start_ro
if [ " $1" = " setup" ]
then trap 0 ; exit 0
fi
# mdadm always adds --quiet, and we want to see any unexpected messages
mdadm() {
rm -f $targetdir/stderr
case $* in
*-C* ) $mdadm 2> $targetdir/stderr --quiet "$@" --auto=yes;;
* ) $mdadm 2> $targetdir/stderr --quiet "$@"
esac
cat >&2 $targetdir/stderr
}
# 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
}
no_errors() {
if [ -s $targetdir/stderr ]
then echo Bad errors from mdadm: ; cat $targetdir/stderr; exit 2;
fi
}
# 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*2*cnt]
if [ $rasize -ne `/sbin/blockdev --getsize $dev` ]
then
echo "ERROR: size is wrong for $dev: $cnt * $dvsize (chunk=$chunk) = $rasize, not `/sbin/blockdev --getsize $dev`"
exit 1
fi
}
rotest() {
dev=$1
fsck -fn $dev >&2
}
for script in tests/$prefix tests/$prefix*[^~]
do
if [ -f "$script" ]
then
rm -f $targetdir/stderr
# 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 ; cat $targetdir/stderr
echo "$script failed"
exit 1
fi
fi
done
exit 0
|
