Users guide

Intel® RAID Software User Guide 68

7 12Gb/s Intel

RAID Controller

Configuration Utility

This chapter describes the Ctrl-R Utility, a BIOS configuration utility, that lets you create

and manage RAID configurations on Intel SAS controllers. You can configure the drive

groups and drives on the system before the operating system has been installed.

7.1 Overview

The Ctrl-R Utility resides in the SAS controller BIOS and operates independently of the

operating system.

You can use the Ctrl-R Utility to perform tasks such as these:

• Create drive groups and virtual drives for storage configurations

• View controller, physical drive, virtual drive, enclosure, and battery backup unit

(BBU) properties, and change parameters

• Delete virtual drives

• Modify power settings

• Import and clear foreign configurations

• Initialize virtual drives

• Check configurations for data consistency

• Create CacheCade virtual drives

7.2 Starting the Ctrl-R Utility

When you boot the system, perform the following steps to start the Ctrl-R Utility:

1. When the host computer is booting, press and hold the Ctrl ke

y, and press the R key

when the following text appears on the dialog:

Press <Ctrl><R> for Ctrl-R

2. Based on the controllers on the system, one

of the two following scenarios occurs:

— If the system has multiple SAS controllers, a controller selecti

on dialog

appears. Select a controller and press Enter. The Ctrl-R Utility main menu

screen appears.