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A coding technique for recovery against double disk failures in disk arrays

By: Blaum, M.;

1992 / IEEE / 0-7803-0599-X

Description

This item was taken from the IEEE Periodical ' A coding technique for recovery against double disk failures in disk arrays ' The author presents a method for encoding an array of disks in such a way that the information is protected against two disk failures. The encoding requires two redundant disks and this performance is optimal. The encoding and decoding circuits require only exclusive-OR operations, giving them an advantage over other methods involving finite field operations, like Reed-Solomon codes.<>