(15-Dec-95 / Retain H131887)
Server 500/520 Multiple Defunct (DDD) Fixed Disks
Server 500/520 (8641) RAID array systems may be unable to start the fixed disk drives if multiple drives are DDD (defunct).
The following error message will be reported after selecting the Replace option in the RAID Option Diskette: Error in starting drive ...
NOTE: If more than one drive appears defunct and the drives are not defective, data MAY NOT be lost.
Restart each drive using the REPLACE option in the RAID Option Diskette and the procedure below. The REPLACE option will bring every drive back to an ONL state except the last drive in each array, which must be rebuilt.
Problem Isolation Aids:
To prevent multiple drives from appearing DDD, the DDD drive(s) should be disconnected from the backplane prior to rebooting the system.
The following procedure should be followed if multiple drives are DDD (defunct):