How to get the status of a Linux software raid?

The current status of a Linux software raid is written to the file /proc/mdstat. You can view the status on the shell with the command: cat /proc/mdstat The output will look similar to this: server:~# cat /proc/mdstat Personalities : [raid0] [raid1] [raid6] [raid5] [raid4] md2 : active raid1 sda3[0] sdb3[1] 726266432 blocks [2/2] [UU] md1 ... Read more