Asus KFN4-DRE User Manual download pdf (Page 101)

ASUS KFN4-DRE 5-1

5.1 Setting up RAID

The motherboard comes with the following RAID solution:

The NVIDIA

nForce Professional 2200 chipset comes with a built-in SATA

RAID controller that allows you to configure RAID 0, RAID 1, RAID 0+1 and

RAID 5 with SATA hard disk drives.

5.1.1 RAID definitions

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 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.

RAID 0+1 is

data striping

and

data mirroring

combined without parity

(redundancy data) having to be calculated and written. With the RAID

0+1 conguration you get all the benets of both RAID 0 and RAID 1

congurations. Use four new hard disk drives or use an existing drive and

three new drives for this setup.

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 CD to a

oppy disk before you install an operating system to the selected hard

disk drive. Refer to Chapter 6 for details.

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