Asus RS100-E4/PI2 Manual do Utilizador descarregar pdf (Página 100)

6-2 Chap ter 6: RAID Configuration

6.1 RAID congurations

The server system/motherboard comes with the Intel

ICH7R and the

LSI Logic Embedded SATA RAID technology built-in the Intel

ICH7R

SouthBridge chipset that allows you to congure IDE and Serial ATA hard

disk drives as RAID sets. The motherboard supports the following RAID

congurations:

6.1.1 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.

Intel

Matrix Storage. The Intel

Matrix Storage technology supported by

the ICH7R chip allows you to create a RAID 0 and a RAID 1 set using only

two identical hard disk drives. The Intel

Matrix Storage technology creates

two partitions on each hard disk drive to create a virtual RAID 0 and RAID

1 sets. This technology also allows you to change the hard disk drive

partition size without losing any data.

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 section “6.1 RAID driver installation” for details.

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