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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 section “5.6 Creating a RAID driver disk” for details.
5.4 RAID configurations
The motherboard comes with the Silicon Image
®
3132 and the Intel
®
ICH7R
Southbridge RAID controllers that allow you to configure IDE and Serial ATA
hard disk drives as RAID sets. The motherboard supports the following
RAID configurations.
RAID 0RAID 0
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 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.
RAID 10 RAID 10
RAID 10 RAID 10
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.
RAID 5RAID 5
RAID 5RAID 5
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.
IntelIntel
IntelIntel
Intel
®
Matrix Storage Matrix Storage
Matrix Storage Matrix Storage
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.