Lenovo 4221, 4220, 4222, 4215, 4219 manual Configuring RAID, RAID Level, Creating RAID volumes

Chapter 7. Configuring RAID

This chapter provides information about how to configure Redundant Array of Independent Disks (RAID) for your computer.

Note: The information about configuring RAID in this chapter is applicable only for a Windows environment. For information about configuring RAID in a Linux environment, contact your Linux software provider.

RAID Level

Your computer must have the minimum number of SATA hard disk drives installed for the supported level of RAID below:

•RAID Level 0 – Striped disk array

–Two hard disk drives minimum

–Better performance without fault tolerance

•RAID Level 1 – Mirrored disk array

–Two hard disk drives minimum

–Improved read performance and 100% redundancy

To install a secondary hard disk drive, refer to “Replacing the secondary hard disk drive” on page 93.

Configuring the system BIOS to enable SATA RAID functionality

This section describes how to configure the system BIOS to enable SATA RAID functionality. Note: Use the arrow keys on the keyboard to make selections.

To enable SATA RAID functionality, do the following:

1.Start the Setup Utility program. See “Starting the Setup Utility program” on page 39.

2.Select Devices → ATA Drives Setup.

3.Select Configure SATA as and press Enter.

4.Select RAID and press Enter.

5.Press F10 to save the new settings and exit the Setup Utility program.

Creating RAID volumes

This section describes how to use the Intel Matrix Storage Manager option ROM configuration utility to create RAID volumes.

To create RAID volumes, do the following:

1.Press Ctrl+I when prompted to enter the Intel Matrix Storage Manager option ROM configuration utility during the computer startup.

2.Use the up and down arrow keys to select Create RAID Volume and press Enter.

3.Type a proper RAID Volume name in the Name field and press Tab.

4.Use the arrow keys to select a RAID level in the RAID Level field and press Tab.

5.If appropriate, use the arrow keys to select a Stripe Size in the Stripe Size field and press Tab.

6.Type a volume size in the Capacity field and press Tab.

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