- BackupAssist Support Forum • View topic - Rsync with --fuzzy
- http://www.snowfrog.net/2011/03/03/fuzzy-rsync/
- http://samba.2283325.n4.nabble.com/fuzzy-search-over-to-be-deleted-files-to-catch-moved-files-and-directories-td2511769.html – in this thread "henrik" AKA H. Langos-8 describes in a rather detailed way exactly what I was thinking of: renaming and moving files within the directory structure (actually my idea isn't restricted to "within …") w/o changing them (actually rsync-ing such files) should be made rather cheap; but that discussion dates back to 2009 …
My impression is, that --fuzzy writes the destination file again, making use of chunks from the old, neighbour destination file. That's certainly cheaper than sending files over the wire, but still … .
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