mdadm -CR $md0 -amd -l5 -c $chunk -n$disks --assume-clean $devs
mdadm $md0 --add $dev6
+ echo 20 > /proc/sys/dev/raid/speed_limit_min
echo 20 > /proc/sys/dev/raid/speed_limit_max
mdadm --grow $md0 -n $[disks+1]
check reshape
mdadm --stop $md0
mdadm --assemble $md0 $devs $dev6
check reshape
+ echo 1000 > /proc/sys/dev/raid/speed_limit_min
echo 2000 > /proc/sys/dev/raid/speed_limit_max
check wait
- echo check > /sys/block/md0/md/sync_action
+ while ! echo check > /sys/block/md0/md/sync_action; do sleep 0.1; done
check wait
mm=`cat /sys/block/md0/md/mismatch_cnt`
if [ $mm -gt 0 ]