Asus SK8V SK8V User Manual - Page 117
VIA RAID configurations
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5.4 VIA RAID configurations The motherboard includes a high performance IDE RAID controller integrated in the VIA VT8237 southbridge chipset. It supports RAID 0 and RAID 1 with two independent Serial ATA channels. RAID 0 (called 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. RAID 1 (called 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. RAID 0+1 is data striping and data mirroring combined without parity (redundancy data) having to be calculated and written. The advantage of RAID 0 + 1 is fast data access (like RAID 0), but with the ability to loose one drive and have a complete duplicate surviving drive or set of drives (like RAID 1). ASUS SK8V motherboard 5-11