> From: marioxcc...@yandex.com > To: debian-user <debian-user@lists.debian.org> > > Hello. > > Currently I use rsync to make the backups of my personal data, including > some manually selected important files of system configuration. I keep > old backups to be more safe from the scenario where I have deleted > something important, I make a backup, and I only notice the deletion > afterwards. > > Each backup snapshot is stored in its own directory. There is much > redundancy between subsequent backups. I use the option "--link-dest" to > make hard links and thus save space for files that are *identical* to an > already-existing file in the backup repository. but this is still > inefficient. Any change to a file, even to its metadata (permission, > modification time, etc.), will result in the file being saved at whole, > instead of a delta. > > Can you suggest a more efficient alternative? > > I know about bup <https://github.com/bup/bup> but I have not used it > because it warns that “This is a very early version. Therefore it will > most probably not work for you, but we don"t know why. It is also > missing some probably-critical features.”. > > I also know about obnam. Unfortunately, the main author it has been > announced that it will be unmaintained because it has become a piece of > engineering, with all the ugly consequences of that, and real > engineering is “not fun” for him. > > Thanks.
Stay with rsync
