This is a UnDP poller that includes raidCompletionPerCent and raidStatus.
I use these in a 'Tabular Universal Device Poller' view on the node page(s) which gives the Disk Name, Health Status of the Disk, and the Percent Completion of RAID rebuild in event of a disk failure. Helpful at the very least to alert on raidStatus=driveFailure.
Example:
Top Comments