this post was submitted on 08 Nov 2023
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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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When looking at Seagate's description of the HAMR technology they state that "Each bit is heated and cools down in a nanosecond, so the HAMR laser has no impact at all on drive temperature, or on the temperature, stability, or reliability of the media overall" but I'm left wondering if I buy these drives as used when they get dumped after their 5 year enterprise life cycle then how much faith can I place on the "stability, or reliability of the media overall" after all that repeated heating? I'd be somewhat expecting more and more bad blocks to be cropping up with repeated use assuming it actually does degrade although I guess you could cope with it if you run something like ZFS Raid-Z2/Z3 stripes to deal with any problems as they occur.