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

Configuring a SAS RAID array

Configuring a SAS RAID array applies to a blade server in which two SAS drives
are installed.
Important: You must create the RAID array before you install the operating system
on the blade server.
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/. 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 (make sure that the blade server is the owner of the
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
60
BladeCenter LS22 and LS42 Type 7901 and 7902: Installation and User's Guide
keyboard, video, and mouse) (see "Turning on the blade server" on page 13).
prompt is displayed, press Ctrl+C.
Enter.
items; then, press Enter. If you select SAS Topology or Advanced Adapter
Properties, additional screens are displayed.