search for: xdelta3

...Component: core AssignedTo: wayned at samba.org ReportedBy: do1 at yandex.ru QAContact: rsync-qa at samba.org Please make --backup-dir option to store differences in rdiff-backup' style repository. I.e. not complete copy of backup file, but binary diff (like xdelta3) of backup version up to the new version. That way backup dirs will be much smaller if actiual file change of big files is small. Of course there is still problem of restoring, like in plain --backup-dir, but that is different question. And that new feature will be good step in advance of better b...

...There's a copy-devices patch to rsync available, but it only allows to rsync a block device into a regular file. Someone suggested that the --keep-device option be added to rsync for that, but I don't think anyone did implement it. Then I started to look at alternatives including: xdelta, xdelta3, bsdiff, bdiff, bdelta, open-vcdiff. Unfortunately, among those supporting block devices, none were able to "patch" a device without rewriting it fully (which defeats my purpose as I only want the modifications to be written so the qcow2 image grows only as much). Then I decided the best...