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REBUILDING MULTI DDD DRIVES ACROSS MORE THAN ONE ARRAY



Subject: REBUILDING MULTI DDD DRIVES ACROSS MORE THAN ONE ARRAY
Updated Netfinity server RETAIN Tip: 

    Record number:       H166102
    Device:              D/T8680
    Model:               M
    Hit count:           UHC00019
    Success count:       USC0000
    Publication code:    PC50
    Tip key:             015
    Date created:        O99/03/22
    Date last altered:   A99/03/31
    Owning B.U.:         USA


Abstract: REBUILDING MULTI DDD DRIVES ACROSS MORE THAN ONE ARRAY


TEXT:

REBUILDING MULTI DDD DRIVES ACROSS MORE THAN ONE ARRAY


SYMPTOM:



PROBLEM ISOLATION AIDS:

       a Netfinity 7000-M10 server, Type 8680, any Model.
       a Netfinity 7000 server, Type 8651, any Model.
       a Netfinity 5500-M10 server, Type 8661, any Model.
       a Netfinity 5500 server, Type 8660, any Model.
       a Netfinity 5000 server, Type 8659, any Model.
       a Netfinity 3500 server, Type 8644, any Model.
       a Netfinity 3000 server, Type 8476, any Model.
       a PC Server 704, Type 8650, any Model.
       a PC Server 720, Type 8642, any Model.
       a PC Server 520, Type 8641, any Model.
       a PC Server 330, Type 8640, any Model.
       a PC Server 325, Type 8639, any Model.
       a PC Server 320, Type 8640, any Model.
       a PC Server 315, Type 8638, any Model.
       a PC Server 310, Type 8639, any Model.



Onboard ServeRAID
PC ServeRAID SCSI Adapter, Option p/n70G8489
ServeRAID II Ultra SCSI Adapter, Option p/n76H3584
Netfinity ServeRAID-3H Ultra2 SCSI Adapter, Option p/n01K7207
Netfinity ServeRAID-3L Ultra2 SCSI Adapter, Option p/n01K7364


FIX:



http://www.pc.ibm.com/searchfiles.html
search on 'ServeRAID BIOS'


WORKAROUND:

In order to avoid this problem, do NOT replace the Channel 1, Drive ID 0 DDD drive first.
Rebuild the other drive (wherever it might be), and upon its successful conclusion rebuild the DDD drive at Channel 1, Drive ID 0.


DETAILS:

The default Hot Swap Rebuild program will look to rebuild to Channel 1, Drive ID 0.
If multiple logical drives are in a Critical state, then they all will attempt to rebuild to the Channel 1, Drive ID 0 at the same time.


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