Construction of PMDS and SD Codes Extending RAID 5

A construction of Partial Maximum Distance Separable (PMDS) and Sector-Disk (SD) codes extending RAID 5 with two extra parities is given, solving an open problem. Previous constructions relied on computer searches, while our constructions provide a theoretical solution to the problem.

By: Mario Blaum

Published in: RJ10504 in 2013


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