Disk arrays, coupled with emerging small disk technology, promise to provide a badly needed increase in the performance of secondary storage systems. Because high failure rates arise with a large number of disks, however, simple redundancy schemes are used to ensure data reliability. This monograph investigates the data encoding, performance, and reliability of redundant disk arrays.
This treatise is the authoritative basis of a whole industry. Almost everyone in commercial IT now exploits RAID technology in their daily lives, indirectly if not directly, and yet precious few people actually understand what's going on under the hood. This is it!This book is perhaps a little too mathematical for many readers over-all, but the text alone is very well written and accessible, even if the maths is taken on trust.If taken with The RAID Book (6th ed, RAID Advisory Board, Paul Massiglia, Peer-to-Peer Press, 1997) all the implications of RAID become far clearer.RAID isn't a panacea for storage issues, and when people read this book they'll surely be better off for having done so.Highly recommended.
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