blackbird@phoenix:~$ cat /proc/mdstat
Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4] [raid10]
md0 : active raid1 sdc1[0] sda1[1]
      1953513408 blocks [2/2] [UU]
      [==>..................]  resync = 10.7% (209483008/1953513408) finish=243.3min speed=119446K/sec

unused devices: <none>
blackbird@phoenix:~$