Don't hear about triple-parity RAID that often:
Author: Adam Leventhal
Repository: /hg/onnv/onnv-gate
Latest revision: 17811c723fb4f9fce50616cb740a92c8f6f97651
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Log message:
6854612 triple-parity RAID-Z
http://mail.opensolaris.org/pipermail/onnv-notify/2009-July/
009872.html
http://bugs.opensolaris.org/bugdatabase/view_bug.do?bug_id=6854612
(Via Blog O' Matty.)
Would be curious to see performance characteristics.
I just blogged about triple-parity RAID-Z (raidz3):
http://blogs.sun.com/ahl/entry/triple_parity_raid_z
As for performance, on the system I was using (a max config Sun Storage
7410), I saw about a 25% improvement to 1GB/s for a streaming write
workload. YMMV, but I'd be interested in hearing your results.
Adam
--
Adam Leventhal, Fishworks http://blogs.sun.com/ahl
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