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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the nice thing about standards
by garyd on Mon 18th Jan 2010 23:53 UTC
garyd
Member since:
2008-10-22

there are so many to choose from. ZFS is under a CDDL open source license & runs on FreeBSD, Linux, & OS X. But check the great & powerful wiki of pedia for more non-standard RAIDs & non-RAID disk arrays. the fact is that disk storage gets more complicated relative to its capacity & it doesn't matter what you use so long as it works for you & your org.

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Reply Score: 1

Erpo41 Member since:
2007-11-08

I worked on the Linux ZFS port using FUSE.

1. Some people feel that FUSE filesystems are second class citizens on Linux. I happen to agree, but you may not.

2. Quite apart from the fact that it's a FUSE filesystem, zfs-fuse has bugs. Some people wake up one morning and their pools don't import. Sometimes this can be fixed with specialized single-purpose tools from the author and sometimes they can't. For more zfs-fuse failures, check the mailing list.

3. If you think ZFS is neat, I strongly recommend throwing your support behind btrfs. It's not as good as ZFS, but you will eventually be able to trust your data to it on Linux.

Reply Parent Score: 1

rexstuff Member since:
2007-04-06

You worked on the original ZFS-FUSE implementation? Cool. Were you the original Google SoC developer?

There was some talk somewhere about ZFS coming to Linux natively, that someone was taking care of the patent and licencing issues. Do you know anything about that?

Reply Parent Score: 2

ba1l Member since:
2007-09-08

3. If you think ZFS is neat, I strongly recommend throwing your support behind btrfs. It's not as good as ZFS, but you will eventually be able to trust your data to it on Linux.


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.

Is it just a matter of being younger?

Reply Parent Score: 2