Triple-Parity RAID-Z

Double-parity RAID, or RAID-6, is the de facto industry standard for storage; when I started talking about triple-parity RAID for ZFS earlier this year, the need wasn’t always immediately obvious. Double-parity RAID, of course, provides protection from up to two failures (data corruption or the whole drive) within a RAID stripe. The necessity of triple-parity [...]

Posted on July 21, 2009 at 11:48 pm by ahl · Permalink · 14 Comments
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Double-Parity RAID-Z

When ZFS first started, it was just Jeff trying to pair old problems with new solutions in margins too small to contain either. Then Matt joined up to bring some young blood to the project. By the time the project putback, the team had grown to more than a dozen. And now I’ve been pulled [...]

Posted on June 18, 2006 at 3:00 pm by ahl · Permalink · 7 Comments
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