Troubleshooting RAID operation errors
Fujitsu 57
RAID Recovery
The CELVIN NAS supports exclusive RAID recovery technology to recover a failed RAID disk
volume from unintentional disconnection or removal of the hard drives from the system. Using the
RAID recovery, users can recover an inactive RAID 1, RAID 5, or RAID 6 volume to degraded mode,
or an inactive RAID 0 and JBOD configuration to normal.
Disk volume Supports RAID recovery Maximum number of disk
removal allowed
Single
No
-
JBOD
Yes 1 or more
RAID 0
Yes 1 or more
RAID 1
Yes 1 or 2
RAID 5
Yes 2 or more
RAID 6
Yes 3 or more
RAID 10
No
-
If the volume status is not active, users can install the same hard drives back to the same slots of the
NAS.
► Select Storage Manager - RAID Management - Recover.
► Wait for about 60 seconds for the process to complete.
After the restore is completed, you can access your data again.
i
After recovering a RAID 1, RAID 5, or RAID 6 disk volume from not active to degraded mode
by the RAID recovery, users can read or write the volume normally.
The volume status will be recovered to normal after synchronization.
If the disconnected drive member is damaged, the RAID recovery function will not work.
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