Guide To Raid Configurations; Introduction Of Raid - ASROCK 775XFIRE-ESATA2 Manual To Installation And Configuration

2.

Guide to RAID Configurations

2.1 Introduction of RAID

This motherboard adopts Intel southbridge chipset that integrates
RAID controller supporting RAID 0 / RAID 1/ Intel Matrix Storage /
RAID 10 / RAID 5 function with four independent Serial ATA
(SATA) channels. This section will introduce the basic knowledge
of RAID, and the guide to configure RAID 0 / RAID 1/ Intel Matrix
Storage / RAID 10 / RAID 5 settings.
RAID
The term "RAID" stands for "Redundant Array of Independent
Disks", which is a method combining two or more hard disk drives
into one logical unit. For optimal performance, please install
identical drives of the same model and capacity when creating a
RAID set.
RAID 0 (Data Striping)
RAID 0 is called data striping that optimizes two identical hard disk
drives to read and write data in parallel, interleaved stacks. It will
improve data access and storage since it will double the data
transfer rate of a single disk alone while the two hard disks
perform the same work as a single drive but at a sustained data
transfer rate.
WARNING!!
Although RAID 0 function can improve the access performance, it
does not provide any fault tolerance. Hot-Plug any HDDs of the
RAID 0 Disk will cause data damage or data loss.
RAID 1 (Data Mirroring)
RAID 1 is called data mirroring that copies and maintains an
identical image of data from one drive to a second drive. It
provides data protection and increases fault tolerance to the
entire system since the disk array management software will
direct all applications to the surviving drive as it contains a
complete copy of the data in the other drive if one drive fails.
3