ae6c05ad83
RAID1 arrays don't have a chunk size, but if you ever convert one to RAID5 you will need at least a small one >= 4K. So round of size to a multiple of 64K. This only affect Create, not "--grow --size=max". The latter is too hard and with smaller returns. Signed-off-by: NeilBrown <neilb@suse.de>
50 lines
1.2 KiB
Plaintext
50 lines
1.2 KiB
Plaintext
|
|
#
|
|
# create a raid1 with an internal bitmap
|
|
#
|
|
mdadm --create --run $md0 --metadata=1.1 --level=1 -n2 --delay=1 --bitmap internal --bitmap-chunk=4 $dev1 $dev2
|
|
check wait
|
|
check bitmap
|
|
testdev $md0 1 $mdsize11 64
|
|
mdadm -S $md0
|
|
|
|
mdadm --assemble $md0 $dev1 $dev2
|
|
check bitmap
|
|
testdev $md0 1 $mdsize11 64
|
|
dirty1=`mdadm -X $dev2 | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
|
|
sleep 4
|
|
dirty2=`mdadm -X $dev2 | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
|
|
|
|
if [ $dirty1 -lt 400 -o $dirty2 -ne 0 ]
|
|
then echo >&2 "ERROR bad 'dirty' counts: $dirty1 and $dirty2"
|
|
exit 1
|
|
fi
|
|
mdadm $md0 -f $dev1
|
|
testdev $md0 1 $mdsize11 64
|
|
sleep 4
|
|
dirty3=`mdadm -X $dev2 | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
|
|
if [ $dirty3 -lt 400 ]
|
|
then
|
|
echo >&2 "ERROR dirty count $dirty3 is too small"
|
|
exit 2
|
|
fi
|
|
|
|
mdadm -S $md0
|
|
|
|
mdadm --zero-superblock $dev1
|
|
mdadm --assemble -R $md0 $dev2
|
|
mdadm $md0 --add $dev1
|
|
check recovery
|
|
|
|
dirty4=`mdadm -X $dev2 | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
|
|
check wait
|
|
sleep 4
|
|
dirty5=`mdadm -X $dev2 | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
|
|
|
|
if [ $dirty4 -lt 400 -o $dirty5 -ne 0 ]
|
|
then echo echo >&2 "ERROR bad 'dirty' counts at end: $dirty4 $dirty5"
|
|
exit 1
|
|
fi
|
|
|
|
mdadm -S $md0
|