Mdstat

/proc/mdstat is a handle in the proc filesystem, informing you about the status of software raid arrays on your system.

= Example = On a machine with builtin support but no active RAID arrays:

$ cat /proc/mdstat Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4] [raid10] unused devices: $

= See Also =
 * hwinfo (and its --listmd option)
 * mdadm