Asus P8Z77-V LE PLUS Manuel d'utilisateur télécharger pdf (Page 149)

ASUS P8Z77-V LE PLUS

4-41

Chapter 4

4.5 RAID congurations

The motherboard supports the following SATA RAID solutions:

• Intel

Rapid Storage Technology with RAID 0, RAID 1, RAID 10 and RAID 5 support.

• You must install Windows

XP Service Pack 3 or Windows

64-bit XP / 7 / 64-bit 7

operating systems (OS) before using Serial ATA hard disk drives. The Serial ATA RAID

feature is available only if you are using Windows

XP SP3 or Windows

64-bit XP / 7

/ 64-bit 7 operating systems (OS) .

• Due to Windows

XP limitation, a RAID array with the total capacity over 2TB cannot

be set as a boot disk. A RAID array over 2TB can only be set as a data disk only.

• If you want to install a Windows

operating system to a hard disk drive included in a

RAID set, you have to create a RAID driver disk and load the RAID driver during OS

installation. Refer to section 4.6 Creating a RAID driver disk for details.

4.5.1 RAID denitions

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 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 new hard disk drives or use an existing drive

and three new drives for this setup.

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Asus P8Z77-V LE PLUS Manuel d'utilisateur Page 149