Use rsync's checksums to deduplicate across backups

Alex Waite alexqw85 at
Thu Nov 3 08:22:00 MDT 2011

> Check out, it's perl-based backup tool,
> using rsync and doing exactly what you ask for.
    I have looked at BackupPC before (and it is a nice piece of
software), and it does hardlink across all backups, but believe it
does its own checksum on top of what rsync already does.  I imagine
this would make performance noticeably worse than what I currently
have, though I could be wrong.


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