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In cloud storage systems, the use of erasure coding results in high read latency and long recovery time when drive or node failure happens. In this paper, we design a parity independent array codes (PIT), a variation of STAR code, which is triple fault tolerant and nearly space-optimal, and also propose an efficient single-failure recovery scheme (PITR) for them to mitigate the problem. In addition,...
Recently, with the fast development of storage system, 2-erasure coding schemes were widely used in industrial society. To meet different requirements, many kinds of 2-erasure coding schemes were presented, such as Reed-Solomon codes, binary linear codes, parity array codes, and so on. Full-2 code is a 2-erasure binary linear code. It is a non-MDS code, but achieves optimal encoding, decoding, and...
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