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5.1
RAID configurations
The motherboard supports the following SATA RAID solutions:
Intel
Rapid Storage Technology with RAID 0, RAID 1, RAID 10 and RAID
•
®
5 support.
Mavell
RAID utility with RAID 0 and RAID 1 support.
•
®
•
You must install Windows
Serial ATA hard disk drives. The Serial ATA RAID feature is available only if
you are using Windows
•
Due to Windows
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
included in a RAID set, you have to create a RAID driver disk and load the
RAID driver during OS installation. Refer to section 4.5 Creating a RAID
driver disk for details.
5.1.1
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 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 5 stripes both data and parity information across three or more hard
disk drives. Among the advantages of RAID 5 configuration include better
HDD performance, fault tolerance, and higher storage capacity. The RAID
5 configuration 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 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.
5-2
XP Service Pack 3 or later versions before using
®
XP SP3 or later versions.
®
XP / Vista limitation, a RAID array with the total capacity
®
operating system to a hard disk drive
®
Chapter 5: RAID configuration
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