3.1.2 Matrix Server Upgrade Guide

Appendix B: Install the SLES9 Operating System and Kernel 75
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SAN Boot Disk
With certain storage arrays, the boot disk can be on the SAN. In this case,
the HBA driver must be loaded with the kernel so that the boot disk can
be located. (You may need to take steps to ensure that the correct HBA
driver is loaded. See the vendor documentation for more information.)
You will need to use non-fabric fencing with this configuration.
Install Other HBA Drivers
If your configuration requires either an HBA driver version that is
provided with Matrix Server but is not the default, or an HBA driver
version that is not provided with Matrix Server, you can install that
version after Matrix Server is installed on the server. (The installation
procedure in Chapter 2 specifies when to install the driver.)