echo 1000000 >/proc/sys/dev/raid/speed_limit_max echo 200000 >/proc/sys/dev/raid/speed_limit_min
# cat /proc/sys/dev/raid/speed_limit_max 200000 # cat /proc/sys/dev/raid/speed_limit_min 1000
cat /proc/mdstat | grep -B2 reco cat /proc/mdstat |grep recovery mdadm -D /dev/md1