On Sep 30, 2009, at 10:40 AM, Brian Hubbleday <b...@delcam.com> wrote:

Just realised I missed a rather important word out there, that could confuse.

So the conclusion I draw from this is that the --incremental-- snapshot simply contains every written block since the last snapshot regardless of whether the data in the block has changed or not.

It's because ZFS is a COW file system so each block written is a new block.

-Ross

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