troubleshooting Question

HP DL380 Drive Array Failure - All drives lost RAID info

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captainFlag for United Kingdom of Great Britain and Northern Ireland asked on
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We have a set HP servers running simple File server duties. Last night during backup the Veritas 10 engine tried backing up a file on server 04 and failed backup as 'file is corrupt'. This was the last entry of this server in the log.

When we looked at the server this am the drives all flashed red and the RAID card does not recognise the array but only single drives. Another array on that server on the same controller which contained the system disk is recognised as array but no file system is found.

Swapping the disks to an identical server returns same problem, so the issue is with the drives not the hardware around it.

It appears that all drives lost the RAID Info stored on the drives itself.

ML380 G4
HP 6402 RAID Array controller 4x 146.8Gb RAID5 and 2x36.4Gb RAID1+0

2 questions:
Has anyone seen a failure with these results?
Any klnown procedure of restoring disk side RAID config?

Help is appreciated

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