Hi, Le samedi 27 juin 2015 10:04:28 Vincent Olivier a écrit : > > There are 4 things I’m not sure about re:send/receive. > > 1) Is it possible to first copy things on a file system using rsync and then > use send-receive ? NO. You need to start with a BTRFS snapshot send/receive to be able to continue with differential send/receives. > And to subsequently mix rsync and send-receive ? NOPE. > 2) Is possible to “send" a snapshot diff to disk and then “receive" it from > the said disk into a remote filesystem ? YES. > 3) How are “conflicts” handled by send-receive if at all ? No way. Incremental send/receive are possible only if you have the exact (binary) (read-only) "parent" snapshot on both filesystems. There cannot be "conflicts" and incremental send/receive is not possible in any other situation. > 4) If a file is created, modified and then deleted in-between two snapshots > is it ignored by send/receive or does send/receive "re-enacts” the journal > exactly ? If anything is created/modified/deleted, the medatata being COW, will differ. Incremental send/receive, being the "binary diff" between filesystem states, will reflect this difference. Kind regards. -- Swâmi Petaramesh <swami@xxxxxxxxxxxxxx> http://petaramesh.org PGP 9076E32E -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
