On Jo, 18 feb 21, 18:59:03, Teemu Likonen wrote: > * 2021-02-18 11:13:25-0500, Gary Dale wrote: > > > rsync is a quick & dirty backup tactic but it's got limitations. > > > > 1) files may stay around forever in the backup even if you've deleted > > them from your main computer because you don't need them. > > > > 2) you only have one copy of a file and that only lasts until the next > > rsync. This limits your ability to restore from a backup before it is > > overwritten. > > > rsync is not a good substitute for backups. > > Rsync is great backup program with "--link-dest" option. Here is the > idea in simplified code: [...] > With that sort of code every backup is a new complete directory tree in > a time stamped directory. If files have not changed since the latest > backup "--link-dest" creates hard links. Old backups can be deleted by > removing old (or any) directory tree. The trees don't depend on each > other. > > What else do we need? OK, some people may need compression but usually > hard disk space is cheap. In my opinion the point still stands, rsync (by itself) has significant limitations as a backup program, which is probably also the reason why several backup programs using rsync exist. Kind regards, Andrei -- http://wiki.debian.org/FAQsFromDebianUser
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