Configuring A Sas Raid Array; Using The Lsi Logic Configuration Utility Program - IBM LS42 - BladeCenter - 7902 Service Manual

The remaining options and components will be enabled by device drivers in the
operating system.

Configuring a SAS RAID array

Two SAS drives can be used to implement and manage RAID level-0 (striping) or
RAID level-1 (mirror) arrays in operating systems that are listed at
http://www.ibm.com/servers/eserver/serverproven/compat/us/. For more
information, see the Installation and User's Guide.
Important: You must create the RAID array before you install the operating system
on the blade server.
Use the LSI Configuration Utility program to configure the SAS RAID (see "Using
the LSI Logic Configuration Utility program").

Using the LSI Logic Configuration Utility program

You can use the LSI Logic Configuration Utility program to perform the following
tasks:
v Set the SAS device scan order
v Set the SAS ID for the controller
v Manage the SAS RAID configuration
To start the LSI Logic Configuration Utility program, complete the following steps:
1. Turn on the blade server, and make sure that the blade server is the owner of
2. When the <<<Press Ctrl-C to start LSI Logic Configuration Utility>>>
3. Use the arrow keys to select the controller from the list of adapters; then, press
4. Follow the instructions on the screen to change the settings of the selected
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BladeCenter LS22 Type 7901 and LS42 Type 7902: Problem Determination and Service Guide
the keyboard, video, and mouse (see "Turning on the blade server" on page 5).
prompt is displayed, press Ctrl+C.
Enter.
items; then, press Enter. If you select SAS Topology or Advanced Adapter
Properties, additional screens are displayed.