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by Sunil K. Mishra, Sudheer K. Vemulapalli, Prasant Mohapatra
http://www.ee.iastate.edu/~acar/PUBS/icpp-dcda.ps
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Abstract:
Abstract--In this paper, we propose a highly reliable RAID architecture called a Dual-Crosshatch Disk Array. It uses the proposed interleaved 2d-parity scheme, a low overhead triple-erasure correcting parity organization. It is a hybrid approach of RAID-4 and RAID5 with one dedicated parity group and another parity group using block interleaved data and parity. The results obtained from simulations indicate that this architecture possesses extremely high reliability with low overheads, good degraded performance, and acceptable normal-mode performance.
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