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5.1
Setting up RAID
The motherboard supports the following RAID solutions:
LSI MegaRAID software RAID Configuration Utility with RAID 0, RAID 1,
•
and RAID 10 support (for both Linux and Windows OS).
Intel Rapid Storage Technology enterprise SCU / SATA Option ROM
•
Utility with RAID 0, RAID 1, RAID 10, and RAID 5 support (for Windows OS
only).
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 1E (Enhanced RAID 1) has a striped layout with each stripe unit having a
secondary (or alternate) copy stored on a different disk. You can use three or more
hard disk drives for this configuration.
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 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.
•
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 DVD to a floppy disk
before you install an operating system to the selected hard disk drive.
•
Please refer to chapter 2 for how to select the RAID configuration utility.
Move the jumper to choose between LSI MegaRAID and Intel
ASUS Z9PR-D12 Series
®
Rapid RAID.
5-3
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