Christian Bilien’s Oracle performance and tuning blog

Service time at Disk Arrays

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Reliability and increased performance in disk access are obtained by using RAID arrays. Many options and trade offs exist when you come to those disk arrays organization. Models can be easily built in order to avoid common pitfalls, justify RAID10, etc. As I could not write a post entry because of the math types figures, I went for a note: it is intended to present the basic issues of I/O bottleneck removals and the fundamental laws on which the I/O models are based: http://www.enezis.com/Disk_maths.pdf

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