On Sun, October 25, 2009 03:45, Orvar Korvar wrote: > It seems that "zfs send..." takes quite some time? 300GB takes 10 hours, > this far. And I have in total 3TB to backup. This means it will take 100 > hours. Is this normal? If I had 30TB to back up, it would take 1000 hours, > which is more than a month. Can I speed this up?
That seems pretty bad, I back up around 650GB to a USB-2 external drive (not the world's fastest!!!) in about 7 hours, last I checked the time. > > Is rsync faster? As I have understood it, "zfs send.." gives me an exact > replica, whereas rsync doesnt necessary do that, maybe the ACL are not > replicated, etc. Is this correct about rsync vs "zfs send"? rsync doesn't seem to cover the ACLs, last I looked closely. Which is why I converted my working rsync-based version to a zfs send-receive version that only supports full backups and isn't automated yet. Grumble. (The ACLs are key for in-kernel CIFS, which is what drove me here.) -- David Dyer-Bennet, d...@dd-b.net; http://dd-b.net/ Snapshots: http://dd-b.net/dd-b/SnapshotAlbum/data/ Photos: http://dd-b.net/photography/gallery/ Dragaera: http://dragaera.info _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
