IBM ServeRAID-4 Ultra160 Series User Reference page 172

Figure 35. Configure controller for clustering window
10. Using the settings that were assigned to the previous ServeRAID controller
11. Click OK. The new controller stripe-unit size setting defaults to 8 KB. If you
12. In the Main Tree, click the new controller.
13. Click Actions → Change stripe-unit size.
14. Click the new stripe-unit size for your installation.
15. Shut down and turn off the server.
16. Reconnect the SCSI channel cables to the controller.
17. If the ServeRAID controller being replaced attaches to any of the following:
18. In the Main Tree, click the new controller.
19. Click Actions → Copy configuration from drives.
20. Click the merge group number for the non-shared logical drives (that is, 206 or
21. Remove the IBM ServeRAID Support CD from the CD-ROM drive.
22. Restart your server.
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IBM User's Reference: ServeRAID
(that is, the controller you are replacing), fill in each of the following fields:
v SCSI initiator IDs
v Controller name
v Partner name
need to change this setting to match the partner controller, go to step 12.
Otherwise, go to step 15.
Note: Be sure to connect the cables to the correct SCSI channels as noted in
step 2 on page 153.
v The server startup disk array
v Other non-shared disk arrays,
start the system with the IBM ServeRAID Support CD (version 4.0, or later) in
the CD-ROM drive. The ServeRAID Manager program starts.
If the ServeRAID controller being replaced does not attach to any of these
items, go to step 21.
207).
Note: The last number in the merge group number is the shared SCSI initiator
ID. That is, if the merge group number is 206, the SCSI initiator ID is 6.
Note: If the controller you replaced is the startup controller, the system will
now start the operating system properly.
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-4 Ultra160 SCSI Controller