Except none of these actually gives you the information about "send size". Used will give you unique bytes, so in my understanding it would change as you add more snapshots, and especially with dedup. Referenced is more or less equivalent to doing DU on the .zfs/snapshot directory. So basically, you can know total or unique bytes, but not unique since last snapshot.
This is such a basic need that we ended up literally doing send just to get that basic accounting info. I would happily be corrected, but as far as i know, there is simply no way to figure out the unique difference between a snapshot and the one before it. -- This message posted from opensolaris.org _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
