I&#x27;m an rsync.net customer, and I use ZFS locally, but I&#x27;m not using ZFS replication because I can&#x27;t control in what order the files in the filesystem get backed up. (And I&#x27;m also unsure whether it&#x27;s even possible interrupt a transfer and resume it later, if the underlying data has changed. rsync does this no problem.)<p>My filesystems are pretty massive, but my internet connection is pretty crappy. I currently am running a script I hacked together which rsyncs my files up to rsync.net in (roughly) file size order - smallest first, largest last. This way, changes to huge files don&#x27;t spend hours&#x2F;days backing up, and preventing the backup of smaller files.<p>I haven&#x27;t yet found a better way to do this.