IBM ServeRAID-4 Ultra160 Series User Reference page 171

Figure 34. Configure controller for clustering window
4. Note the settings in the fields.
5. To determine stripe-unit size, refer to the Information panel in Figure 29 on
page 123.
Replacing a ServeRAID controller
Use the following procedure to replace a failed ServeRAID controller in your
high-availability configuration:
1. Shut down the server.
2. Note which SCSI cables are connected to the SCSI channel connectors on the
controller.
3. Note which PCI slot has the controller installed.
4. Remove the failed ServeRAID controller.
For instructions on how to remove and install the ServeRAID controller, see
"Chapter 2. Installing and cabling a ServeRAID controller" on page 9.
5. Install the new ServeRAID controller. Be sure to install the controller in the
same PCI slot from which you removed the failed ServeRAID controller.
Important
v Do not reconnect the SCSI channel cables to the controller at this time.
v You must ensure that you have the same level of ServeRAID BIOS and firmware on both
controllers in the cluster.
The software is available on the IBM Support Web site. See "Chapter 16. Obtaining
ServeRAID updates" on page 131 for additional information.
6. Start the system with the IBM ServeRAID Support CD (version 4.0, or later) in
the CD-ROM drive. The ServeRAID Manager program starts.
7. In the Main Tree, click the new controller.
8. Click Actions → Restore to factory default settings. The ServeRAID
Manager program initializes the controller configuration.
9. With the new controller still selected in the Main Tree, click
for clustering) on the tool bar. The Configure controller for clustering window
opens.
Chapter 18. Solving ServeRAID problems
(Configure
153