On Mar 25, 2008, at 4:28 PM, Jeff Davis wrote:
This obviously does not work in real time, but it may be useful. It does
not require a lot of additional space to do this because of the ZFS
copy-on-write implementation.

But what benefit does it give you if you're pounding on the same set of physical disks? You might as well run it on the original since you're limit is the disk I/O.


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