On Thu, Feb 18, 2021 at 06:59:03PM +0200, 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.
No, it's not. It is a fantastic tool for backups :-) > Rsync is great backup program with "--link-dest" option. Here is the > idea in simplified code: [...] Absolutely. Time travel! Actually, I've implemented this at a customer's place. They were delighted. Where rsync shows some weaknesses is on big, fat files (think videos, one or several GB). Really huge directories (tens to hundreds of TB) were once a challenge, too, but I hear that they refined the scanning part in the meantime. No direct experience, though. And, oh, Gary: if you want to delete files which disappeared in the source, check out the --delete option. But this time-staggered backup with --link-dest is really great. Cheers -- t
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