On Tue, 18 Sep 2012, Erik Ableson wrote:
The bigger issue you'll run into will be data sizing as a year's worth of snapshot basically means that you're keeping a journal of every single write that's occurred over the year. If you are running
The above is not a correct statement. The snapshot only preserves the file-level differences between the points in time. A snapshot does not preserve "every single write". Zfs does not even send every single write to underlying disk. In some usage models, the same file may be re-written 100 times between snapshots, or might not ever appear in any snapshot.
Bob -- Bob Friesenhahn bfrie...@simple.dallas.tx.us, http://www.simplesystems.org/users/bfriesen/ GraphicsMagick Maintainer, http://www.GraphicsMagick.org/ _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
