Asus M3A32-MVP DELUXE User Manual - Page 148

RAID configurations

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5.4 RAID configurations The motherboard comes with two RAID controllers that allow you to configure Serial ATA hard disk drives as RAID sets. • AMD SB600 Southbridge RAID includes a high performance SATA RAID controller that supports RAID 0, RAID 1, and RAID 0+1 for four independent SATA channels. • Marvell® 6121 RAID includes a high performance SATA RAID controller that supports RAID 0 and RAID 1 for two independent SATA channels. 5.4.1 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 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. 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 configuration you get all the benefits of both RAID 0 and RAID 1 configurations. 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 RAID set, copy first the RAID driver from the support DVD to a floppy disk/USB device before you install an operating system to a selected hard disk drive. Refer to section 5.6 Creating a RAID driver disk for details. 5-36 Chapter 5: Software support

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5-36
Chapter 5: Software support
5.4
RAID configurations
The motherboard comes with two RAID controllers that allow you to configure
Serial ATA hard disk drives as RAID sets.
•
AMD SB600 Southbridge RAID
includes a high performance SATA RAID
controller that supports RAID 0, RAID 1, and RAID 0+1 for four independent
SATA channels.
•
Marvell
®
6121 RAID
includes a high performance SATA RAID controller that
supports RAID 0 and RAID 1 for two independent SATA channels.
5.4.1
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 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.
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 configuration you get
all the benefits of both RAID 0 and RAID 1 configurations. 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 RAID set,
copy first the RAID driver from the support DVD to a floppy disk/USB device
before you install an operating system to a selected hard disk drive. Refer to
section
5.6 Creating a RAID driver disk
for details.