Asus P4S8X Specifications download pdf (Page 86)

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Chapter 3: Software supportChapter 3: Software support

Chapter 3: Software support

3.3 RAID configurations

The SIS 964 southbridge comes with a RAID controller that allows you to

configure Serial ATA hard disk drives as RAID sets. The motherboard

supports the following RAID configurations.

RAID 0RAID 0

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 1RAID 1

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

configuration 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.

JBODJBOD

JBOD

(Spanning)

stands for

Just a Bunch of DisksJust a Bunch of Disks

Just a Bunch of Disks and refers to hard

disk drives that are not yet configured as a RAID set. This configuration

stores the same data redundantly on multiple disks that appear as a single

disk on the operating system. Spanning does not deliver any advantage

over using separate disks independently and does not provide fault

tolerance or other RAID performance benefits.

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

set, copy first the RAID driver from the support CD to a floppy disk

before you install an operating system to a selected hard disk drive.

Refer to section “3.4 Creating a RAID driver disk” for details.

3.3.13.3.1

3.3.1

Installing hard disksInstalling hard disks

Installing hard disks

The motherboard supports Serial ATA hard disk drives. For optimal

performance, install identical drives of the same model and capacity when

creating a disk array.

Installing Serial ATA (SATA) hard disksInstalling Serial ATA (SATA) hard disks

Installing Serial ATA (SATA) hard disks

To install the SATA hard disks for a RAID configuration:

1. Install the SATA hard disks into the drive bays.

2. Connect the SATA signal cables.

3. Connect a SATA power cable to the power connector on each drive.

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Asus P4S8X Specifications Page 86

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