this post was submitted on 10 Nov 2023
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Data Hoarder
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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.
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There are many factors at play.
First - SD cards can't be trusted - they're an disposable transfer media. Depending on the quality you're buying, they can be absolut trash. Its basically the (cheap) MMC module with convenient connectors. Good quality modules can last a long time with regular use.
One often overlook problem is with file systems. Cameras (and my other things) use the FAT Filesystem. Which has no resilience what so ever built in and tend to corrupt the Filesystem over time with use (regular formatting should mitigate that - for digital cameras, always format with the camera).
Don't long term store data on them. Always have Backups of your Data.
As long as you treat them for what they are - an untrusted transfer medium - you won't have unexpected problems and data loss.