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this post was submitted on 06 May 2024
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datahoarder
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Who are we?
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). Along the way we have sought out like-minded individuals to exchange strategies, war stories, and cautionary tales of failures.
We are one. We are legion. And we're trying really hard not to forget.
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There are a lot of variables, but media types typically have expected limits established.
https://www.arcserve.com/blog/data-storage-lifespans-how-long-will-media-really-last
Humidity and UV are murder on a lot of things. Pressed optical media will generally las a lot longer than CD-R if for nothing else but the top layer over the reflective foil that's missing from some cheap recordable disks. The error resiliency is a factor to thin of too. If you miss a few bits in a picture or audio recording it won't do much, but in a executable program it could prevent it working at all.