Optimizing RAID Storage Performance
Chien Cheng Wu
Broschiertes Buch

Optimizing RAID Storage Performance

Performance Evaluation of Caching and Prefetch Strategies on a Storage Server

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Caching and prefetch are important techniques for designing a storage system. As the speed gap between memory and disk is so large today, caching and prefetch are critical to enterprise-class storage applications, which demands high-performance. We studied the performance of a mid-range storage server and analyzed the existing caching mechanism in the server. We developed a fast caching methodology which reduces the cache access latency and processing overhead of the storage controller. In addition, we proposed a new adaptive prefetch scheme reduces the average disk access time seen by the hos...