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IEEE Trans. Inf. Theory
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Partial-MDS codes and their application to RAID type of architectures

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Abstract

A family of codes with a natural 2-D structure is presented, inspired by an application of redundant arrays of independent disks (RAID) type of architectures whose units are solid-state drives (SSDs). Arrays of SSDs behave differently from arrays of hard disk drives, since hard errors in sectors are common and traditional RAID approaches (like RAID 5 or RAID 6) may be either insufficient or excessive. An efficient solution to this problem is given by the new codes presented, called partial maximum distance separable (PMDS) codes. © 2013 IEEE.

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IEEE Trans. Inf. Theory

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