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The 3-2-1 rule
(alien.top)
We are digital librarians. Among us are represented the various reasons to keep data -- legal requirements, competitive requirements, uncertainty of permanence of cloud services, distaste for transmitting your data externally (e.g. government or corporate espionage), cultural and familial archivists, internet collapse preppers, and people who do it themselves so they're sure it's done right. Everyone has their reasons for curating the data they have decided to keep (either forever or For A Damn Long Time (tm) ). Along the way we have sought out like-minded individuals to exchange strategies, war stories, and cautionary tales of failures.
I not only follow it, I exceed it for the important things like my tax records, pictures and serial numbers of my valuables, etc.
Basically, the only way I'm losing all those files is if nuclear war breaks out. If that happens, I'm going to have more pressing issues to worry about than my files being safe.