RAID 0 failure can occur when either one or several disks have failed or when there is a failure not related to disks. This layout is non-redundant and has no fault tolerance, so you cannot recover data from a failed disk. Raid DATA recovery may be possible from the other drives.
RAID 5 - failure happens when one or several hard disks fail or because of operator or controller failures. Because RAID 5 is redundant, you can recover data from a single failed disk but not multiple failed disks. It may be possible to access data from the remaining disks,
Drive Array Controller Failure
Replacing Cache Card Controller of HP 360p G8
#DriveArrayControllerFailure
#CacheCardController
