| Summary: | 碩士 === 義守大學 === 資訊工程學系 === 88 === The applications of the multimedia and network are always processing mass data such as picture, image, and voice. Especially, the data from the bank or stock market are very critical on processing and storing. The array structure of disks may support higher bandwidth. The RAID is applied when higher reliability is demanded. But the network server gets more disks and possibly has multiple disks fail in the same time. So the current RAID system retrieving only one disk failure is not powerful enough.
The RAID was developed by UCB [1,2] and there are many discussions about RAID. The Even-Odd code can eliminate one disk error or dual disk erasure [3-6], but decreased the RAID performance. This thesis presents a Reed-Solomon code to improve the reliability of RAIDs. The transfer rate of the RS code has been developed up to 100MB/s. and it is believed that it can match the need of modern system.
In this thesis, a prototyped RAID system using RS code has been build. It reduces the latency of access and small write overhead, and retrieve two disk erasures or one disk error. The final result improves efficiency over the original RAID.
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