Module monitor /proc/mdstat
It produces:
-
Health Number of failed disks in every array (aggregate chart).
-
Disks stats
- total (number of devices array ideally would have)
- inuse (number of devices currently are in use)
- Current status
- resync in percent
- recovery in percent
- reshape in percent
- check in percent
- Operation status (if resync/recovery/reshape/check is active)
- finish in minutes
- speed in megabytes/s
No configuration is needed.