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Chapter 7. Configuring RAID
This chapter provides instructions on how to install hard disk drives and configure Redundant Array of
Independent Disks (RAID) for your computer.
Note:
The RAID configuration information described in this chapter is only applicable in the Windows
environment. For information about configuring RAID in the Linux
®
environment, contact your Linux
software provider.
Configuring RAID with Intel RSTe
If your computer comes with Intel
®
RSTe, you can follow the sections below to configure RAID with Intel RSTe.
This section provides information about the following topics:
•
“Installing SATA hard disk drives” on page 61
•
“Configuring SATA RAID functionality with the Intel RSTe configuration utility” on page 62
Installing SATA hard disk drives
Ensure that your computer has the minimum number of SATA hard disk drives installed for the following
supported levels of RAID:
• RAID Level 0 - Striped disk array
– A RAID Level 0 hard disk drive group consisting of at least two hard disk drives
– Supported strip size: 4 KB, 8 KB, 16 KB, 32 KB, 64 KB, or 128 KB
– Better performance without fault tolerance
• RAID Level 1 - Mirrored disk array
– A RAID Level 1 hard disk drive group consisting of two hard disk drives
– Improved reading performance and 100% redundancy
• RAID Level 10 - Striped and mirrored disk array (a combination of RAID Level 0 and RAID Level 1)
– A RAID Level 10 hard disk drive group consisting of four hard disk drives
– Supported strip size: 4 KB, 8 KB, 16 KB, 32 KB, or 64 KB
• RAID Level 5 - Block-level striped disk array with distributed parity
– A RAID Level 5 hard disk drive group consisting of at least three hard disk drives
– Supported strip size: 4 KB, 8 KB, 16 KB, 32 KB, or 64 KB
– Better performance and fault tolerance
Ensure that one of the following hard disk drive enablement modules is installed in your computer:
• If zero to four SATA hard disk drives or solid state drives are installed, no hard disk drive enablement
module is needed.
• If five SATA hard disk drives or solid state drives are installed, the SATA hard disk drive enablement
module (one to five hard disk drives) is required.
© Copyright Lenovo 2012
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