On Fri, 2 Nov 2012, Chris Samuel wrote:
(According to the article, ZFS has it too, so it may solve problems for ZFS users interested in this discussion.)
Interestingly, this has been stated on the list:
http://permalink.gmane.org/gmane.comp.file-systems.btrfs/21015
# That's the whole point of the btrfs-send design: It's very easy # to receive on different filesystems. A generic receiver is in # preparation. And to make it even more generic: A sender using # the same stream format is also in preparation for zfs.
So you may well be able to do bidirectional exchanges between btrfs and ZFS filesystems.
Cute! And just to be sure, you're not just talking about snapshot incrementals, are you? You'd be able to do this for the entire filesystem full snapshot? Hopefully it'd be able to get close to wire/disk speed. -- Tim Connors