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|
# sanity check array creation
imsm_check_hold() {
if mdadm --remove $1 $2; then
echo "$2 removal from $1 should have been blocked" >&2
cat /proc/mdstat >&2
mdadm -E $2
exit 1
fi
}
imsm_check_removal() {
if ! mdadm --remove $1 $2 ; then
echo "$2 removal from $1 should have succeeded" >&2
cat /proc/mdstat >&2
mdadm -E $2
exit 1
fi
}
imsm_check() {
udevadm settle
case $1 in
container )
grep -s " blocks super external:imsm" /proc/mdstat > /dev/null || {
echo >&2 "ERROR correctly formed container not found"; cat /proc/mdstat; exit 1;}
;;
member )
member=$2
num_disks=$3
level=$4
size=$5
offset=$6
chunk=$7
err=0
if [ $level -ne 1 ]; then
size=$((size & ~(chunk - 1)))
else
chunk=64
fi
eval `stat -L -c "let major=0x%t; let minor=0x%T;" $member`
sysfs=/sys/dev/block/${major}:${minor}
if [ ! -f ${sysfs}/md/array_state ]; then
echo "member array $member not found" >&2
cat /proc/mdstat >&2
exit 1
fi
_chunk=`cat ${sysfs}/md/chunk_size`
if [ $chunk -ne $((_chunk/1024)) ]; then
echo "chunk mismatch expected $chunk got $_chunk" >&2
err=$((err+1))
fi
for i in `seq 0 $((num_disks-1))`
do
_offset=`cat ${sysfs}/md/rd${i}/offset`
if [ $offset -ne $((_offset/2)) ]; then
echo "offset mismatch expected $offset got $_offset" >&2
err=$((err+1))
fi
_size=`cat ${sysfs}/md/rd${i}/size`
if [ $size -ne $_size ]; then
echo "size mismatch expected $size got $_size" >&2
err=$((err+1))
fi
done
if [ $err -gt 0 ]; then
echo "$member failed check" >&2
cat /proc/mdstat >&2
mdadm -E /dev/loop0 >&2
exit 1
fi
;;
* ) echo >&2 ERROR unknown check $1 ; exit 1;
esac
}
export IMSM_DEVNAME_AS_SERIAL=1
export IMSM_TEST_OROM=1
export IMSM_NO_PLATFORM=1
container=/dev/md/container
member0=/dev/md/vol0
member1=/dev/md/vol1
member2=/dev/md/vol2
member3=/dev/md/vol3
member4=/dev/md/vol4
# IMSM rounds to multiples of one mebibyte - 1024K
DEV_ROUND_K=1024
num_disks=2
mdadm -CR $container -e imsm -n $num_disks $dev0 $dev1
imsm_check container $num_disks
# RAID0 + RAID1
size=9000
level=0
chunk=64
offset=0
mdadm -CR $member0 $dev0 $dev1 -n $num_disks -l $level -z $size -c $chunk
imsm_check member $member0 $num_disks $level $size $offset $chunk
testdev $member0 $num_disks $size $chunk
offset=$(((size & ~(chunk - 1)) + 2048))
size=4000
level=1
chunk=0
mdadm -CR $member1 $dev0 $dev1 -n $num_disks -l $level -z $size
imsm_check member $member1 $num_disks $level $size $offset $chunk
testdev $member1 1 $size 1
check wait
mdadm -Ss
# RAID10 + RAID5
num_disks=4
mdadm -CR $container -e imsm -n $num_disks $dev0 $dev1 $dev2 $dev3
imsm_check container $num_disks
size=9000
level=10
chunk=64
offset=0
mdadm -CR $member0 $dev0 $dev1 $dev2 $dev3 -n $num_disks -l $level -z $size -c $chunk
imsm_check member $member0 $num_disks $level $size $offset $chunk
testdev $member0 $((num_disks-2)) $size $chunk
offset=$(((size & ~(chunk - 1)) + 2048))
size=4000
level=5
mdadm -CR $member1 $dev0 $dev1 $dev2 $dev3 -n $num_disks -l $level -z $size -c $chunk
imsm_check member $member1 $num_disks $level $size $offset $chunk
testdev $member1 $((num_disks-1)) $size $chunk
check wait
# FAIL / REBUILD
imsm_check_hold $container $dev0
mdadm --fail $member0 $dev0
mdadm --wait-clean --scan
imsm_check_removal $container $dev0
mdadm --add $container $dev4
check wait
imsm_check_hold $container $dev4
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