cat /proc/mdstat Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4] [raid10] md0 : active raid1 sdd1[1] sdc1[0] 244065408 blocks super 1.2 [2/2] [UU] [=>...................] resync = 6.4% (15812032/244065408) finish=19.1min speed=198449K/sec bitmap: 2/2 pages [8KB], 65536KB chunk unused devices: