MDADM RAID5 array showing as CLEAN FAULTY
- by Dean Reilly
A drive dropped out of my raid 5 array yesterday. It looks like the reason was due to a bad controller so I switched it out and attempted to re-add the drive but mdadm claimed it couldn't do it. So I zerod the superblock and just added the drive normally and left it to resync.
When I came to check on the array this morning I was unable to mount it…