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5-2

Chapter 5: RAID configurationChapter 5: RAID configuration

Chapter 5: RAID configuration

5.1 Setting up RAID

The motherboard comes with the following RAID solutions:

P5MT-MX/C modelP5MT-MX/C model

P5MT-MX/C model

•

LSI Logic Embedded SATA RAID LSI Logic Embedded SATA RAID

LSI Logic Embedded SATA RAID technology embedded in the Intel

ICH7R Southbridge supports up to two SATA hard disk drives and RAID 0

and RAID 1 configurations.

5.1.15.1.1

5.1.1

RAID definitionsRAID definitions

RAID definitions

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 created

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

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

Refer to Chapter 6 for details.