On Oct 30, 2006, at 10:45 PM, David Dyer-Bennet wrote:
Also, stacking it on top of an existing RAID setup is kinda missing the entire point!
Everyone keeps saying this, but I don't think it is missing the point at all. Checksumming and all the other goodies still work fine and you can run a ZFS mirror across 2 or more raid devices for ultimate in reliability. My Dual RAID-6 with large ECC battery backed cache device mirrors will be much more reliable than your RAID-Z and probably perform better, and I still get the ZFS goodness.
I can lose one whole RAID device (all the disks) and up to 2 of the disks on the second RAID device, all att he same time, and still be OK and fully recoverable and still operating.
(ok, my second raid is not yet installed, so right now my ZFS'ed single RAID-6 is not as reliable as I would like, but the second half, ie, second RAID-6 will be installed before XMas)
Chad --- Chad Leigh -- Shire.Net LLC Your Web App and Email hosting provider chad at shire.net
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