IBM x3550 - System - 7978, Problem Determination And Service Manual

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SAS drives also support RAID level-10. You can replace the ServeRAID-8k-l SAS
controller with a ServeRAID-8k SAS controller that supports additional RAID
levels.
v Hard disk drive capacities affect how you create arrays. The drives in an array
can have different capacities, but the ServeRAID controller treats them as if they
all have the capacity of the smallest hard disk drive.
v To help ensure signal quality, do not mix drives with different speeds and data
rates.
v
Do not include SAS and SATA drives in the same array.
v To update the firmware and BIOS code for an optional ServeRAID controller, you
must use the IBM
ServeRAID Support CD that comes with the ServeRAID
option.
Using the IBM ServeRAID Configuration Utility program
Use the IBM ServeRAID Configuration Utility program to perform the following
tasks:
v
Configure a redundant array of independent disks (RAID) array
v
View or change the RAID configuration and associated devices
Starting the IBM ServeRAID Configuration Utility program: To start the IBM
ServeRAID Configuration Utility program, complete the following steps:
1. Turn on the server.
2. When the prompt
<<< Press <CTRL><A> for IBM ServeRAID Configuration
Utility! >>>
appears, press Ctrl+A.
3. To select a choice from the menu, use the arrow keys.
4. Use the arrow keys to select the channel for which you want to change settings.
5. To change the settings of the selected items, follow the instructions on the
screen. Be sure to press Enter to save your changes.
IBM ServeRAID Configuration Utility menu choices: The following choices are
on the IBM ServeRAID Configuration Utility menu:
v
Array Configuration Utility
Select this choice to create, manage, or delete arrays, or to initialize drives.
v
SerialSelect Utility
Select this choice to configure the controller interface definitions or to configure
the physical transfer and SAS address of the selected drive.
v
Disk Utilities
Select this choice to format a disk or verify the disk media. Select a device from
the list and read the instructions on the screen carefully before making a
selection.
Using ServeRAID Manager
Use ServeRAID Manager, which is on the IBM ServeRAID Manager Application CD,
to perform the following tasks:
v
Configure a redundant array of independent disks (RAID) array
v Erase all data from a hard disk drive and return the disk to the factory-default
settings
v
View the RAID configuration and associated devices
v Monitor the operation of the RAID controller
Chapter 2. Configuration information and instructions
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