Lenovo 4272 Personal Computer User Manual


 
Chapter 5. Configuring RAID
This chapter contains information about installing hard disk drives and configuring
Redundant Array of Independent Disks (RAID) for your computer.
Notes:
1. The Marvell BIOS setup information in this chapter only applies to some
computer models.
2. The information about configuring RAID in this chapter only applies for a
Windows environment. For information about configuring RAID in a Linux
environment, contact your Linux software provider.
Configuring RAID for machine types 4262, 4263, 4264, and 4265
This section contains information about the required number of SATA hard disk
drives for the supported level of RAID and SATA RAID configuration for machine
types 4262, 4263, 4264, and 4265.
Installing SATA hard disk drives
Your computer must have the minimum number of SATA hard disk drives
installed for the supported level of RAID below:
v RAID Level 0 Striped disk array
Two hard disk drives minimum
Better performance without fault tolerance
v RAID Level 1 Mirrored disk array
Two hard disk drives minimum
Improved read performance and 100% redundancy
v RAID Level 5 Block-level striped disk array with distributed parity
Three hard disk drives minimum
Data striped at the byte level
Stripe error correction information
Better performance and fault tolerance
To install a new SATA hard disk drive, see “Installing a new hard disk drive” on
page 24.
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.
1. Start the Setup Utility program. See “Starting the Setup Utility program” on
page 53.
2. From the Setup Utility program main menu, select Devices IDE Drives Setup
and press Enter.
3. Select SATA RAID Enable and press Enter.
4. Select Enabled and press Enter.
© Copyright Lenovo 2010 57