this post was submitted on 22 May 2026
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Fuck AI

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AI, in this case, refers to LLMs, GPT technology, and anything listed as "AI" meant to increase market valuations.

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[–] iocase@lemmy.zip 15 points 1 week ago* (last edited 1 week ago)

If you get cheap large flash drives the thing that's wrong with them is QLC memory, and the fact flash memory rots over time.

Bitrot is a thing no matter the medium it's just what timescale we're talking about. Blurays are the poor man's LTO tape backups. M-disks were also good for a long time too. Very stable and high density.

However there is a way to make flash drives work for a backup solution. I would pair drives together in mirrors under ZFS. Maybe 4-6 drives in a pool, with 2-3 mirrors. That way you have error detection (ZFS checksums for every bit of data stored), and error correction (mirrored data across drives, along with the checksum to verify which copy is good).

It also allows you to run "ZFS scrub " to check everything once a month or so and detect corruption and fix it. ZFS can also identify a drive that's failing from consistent errors.

Edit: if you don't run Linux you could manage this using a raspberry pi 3 or 4 as the host. It could be a very low power and cheap NAS.