Linked by Thom Holwerda on Mon 18th Jan 2010 16:57 UTC, submitted by wanker90210
Hardware, Embedded Systems ACM's latest journal had an interesting article about RAID which suggested it might be time for triple parity raid. "How much longer will current RAID techniques persevere? The RAID levels were codified in the late 1980s; double-parity RAID, known as RAID-6, is the current standard for high-availability, space-efficient storage. The incredible growth of hard-drive capacities, however, could impose serious limitations on the reliability even of RAID-6 systems. Recent trends in hard drives show that triple-parity RAID must soon become pervasive."
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Is there any particular reason that btrfs isn't as good?

Last time I checked, it seemed to be a couple of missing features away from being equivalent to the first versions of ZFS.

I think you answered your own question there. ;)

But Btrfs is a great filesystem embryo and I'm looking forward to using it some time in the future, when it's more equivalent to the current versions of ZFS.

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