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In a RAID5, the parity block is a XOR calculation of the rest of blocks but, in a RAID6, the second block parity is the XOR calculation of what blocks?

http://upload.wikimedia.org/wikipedia/commons/7/70/RAID_6.svg

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marked as duplicate by Shane Madden, MadHatter, Ward, mdpc, Tim Brigham Sep 26 '13 at 18:53

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1 Answer 1

It's not an XOR, more complex math is needed. It's on the wikipedia page you linked that image from: http://en.wikipedia.org/wiki/Standard_RAID_levels#Computing_parity

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