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>
34 lines
841 B
Plaintext
34 lines
841 B
Plaintext
|
|
#
|
|
# create a raid1 array, add an external bitmap
|
|
#
|
|
mdadm --create --run $md0 -l 1 -n 2 $dev1 $dev2
|
|
check wait
|
|
testdev $md0 1 $mdsize1a 64
|
|
|
|
bmf=$targetdir/bm
|
|
rm -f $bmf
|
|
#mdadm -E $dev1
|
|
mdadm --grow $md0 --bitmap=$bmf --delay=1 || { mdadm -X $bmf ; exit 1; }
|
|
dirty1=`mdadm -X $bmf | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
|
|
sleep 4
|
|
dirty2=`mdadm -X $bmf | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
|
|
|
|
testdev $md0 1 $mdsize1a 64
|
|
dirty3=`mdadm -X $bmf | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
|
|
sleep 4
|
|
dirty4=`mdadm -X $bmf | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
|
|
|
|
#echo $dirty1 $dirty2 $dirty3 $dirty4
|
|
if [ $dirty2 -ne 0 -o $dirty4 -ne 0 -o $dirty3 -lt 400 ]
|
|
then
|
|
echo bad dirty counts
|
|
exit 1
|
|
fi
|
|
|
|
# now to remove the bitmap
|
|
check bitmap
|
|
mdadm --grow $md0 --bitmap=none
|
|
check nobitmap
|
|
mdadm -S $md0
|