RAID 6 is used to tolerate up to two simultaneous disk failures. Assume that you have a

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RAID 6 is used to tolerate up to two simultaneous disk failures. Assume that you have a RAID 6 system based on row-diagonal parity, or RAIDDP; your six-disk RAID-DP system is based on RAID 4, with p = 5, as shown in Figure 6.5. If data disk 0 and data disk 3 fail, how can those disks be reconstructed? Show the sequence of steps that are required to compute the missing blocks in the first four stripes.
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Computer Architecture A Quantitative Approach

ISBN: 978-0123704900

4th edition

Authors: John L. Hennessy, David A. Patterson

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