Asus P5E3 User Manual download pdf (Page 138)

5-30 Chapter 5: Software support

If you want to boot the system from a hard disk drive included in a created RAID

set, copy rst the RAID driver from the Support DVD to a oppy disk before you

install an operating system to the selected hard disk drive. Refer to section

5.5

Creating a RAID driver disk

for details.

5.4 RAID congurations

The motherboard comes with the Intel

ICH9R Southbridge RAID controller that

allow you to congure IDE and Serial ATA hard disk drives as RAID sets. The

motherboard supports the following RAID congurations.

RAID 0

(Data striping) optimizes two identical hard disk drives to read and write

data in parallel, interleaved stacks. Two hard disks perform the same work as a

single drive but at a sustained data transfer rate, double that of a single disk alone,

thus improving data access and storage. Use of two new identical hard disk drives

is required for this setup.

RAID 1

(Data mirroring) copies and maintains an identical image of data from one

drive to a second drive. If one drive fails, the disk array management software

directs all applications to the surviving drive as it contains a complete copy of

the data in the other drive. This RAID conguration provides data protection and

increases fault tolerance to the entire system. Use two new drives or use an

existing drive and a new drive for this setup. The new drive must be of the same

size or larger than the existing drive.

RAID 10

is data striping and data mirroring combined without parity (redundancy

data) having to be calculated and written. With the RAID 10 conguration you get

all the benets of both RAID 0 and RAID 1 congurations. Use four newe hard disk

drives or use an existing drive and three new drives for this setup.

RAID 5

stripes both data and parity information across three or more hard

disk drives. Among the advantages of RAID 5 conguration include better

HDD performance, fault tolerance, and higher storage capacity. The RAID

5 conguration is best suited for transaction processing, relational database

applications, enterprise resource planning, and other business systems. Use a

minimum of three identical hard disk drives for this setup.

Intel

Matrix Storage.

The Intel

Matrix Storage technology supported by the

ICH9R chip allows you to create a RAID 0, RAID 1, RAID 5, and RAID 10 function

to improve both system performance and data safety. You can also combine two

RAID sets to get higher performance, capacity, or fault tolerance provided by the

difference RAID function. For example, RAID 0 and RAID 1 set can be created by

using only two identical hard disk drives.

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