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Should I bother with raid
(lemmy.world)
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this post was submitted on 02 Dec 2024
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@Atemu @beastlykings Every few decades seems optimistic. I have an archive of photos/videos from cameras and phones spanning from early 2000s to mid-2010s. There's not a lot, maybe 6gb; a few thousand files. At some point around the end of that time period, I noticed corruption in some random photos.
Likewise, I have a (3tb) flac archive, which is about 15-20 years old. Nightly 'flac -t' checks are done on 1/60th of the archive, essentially a scrub. Bitrot has struck a dozen times so far.
Interesting. I suspect you must either have had really bad luck or be using faulty hardware.
In my broad summarising estimate, I only accounted for relatively modern disks like something made in the past 5 years or so. Drives from the 2000s or early 2010s could be significantly worse and I wouldn't be surprised. It sounds like to me your experience was with drives that are well over a decade old at this point.
@Atemu Well yes, this is experience of self-hosting for close to 25 years, with a mix of drives over those years. I have noticed much better quality drives in the past decade (helium hdds running cooler/longer, nvram, etc) with declining failure rates and less corruption.
But especially if you're talking about longer time scales like that ("every few decades"), it's difficult to account for technology changes.
@Atemu Drives from the mid/late-2000s in particular were just poorly behaved for me. Recent drives (2014+) have been much better. Who knows how 2030s drives will behave? So I will continue scrubbing data as I swap out older drives for newer ones.
Oh absolutely; I would never advocate against verifying your data's integrity.