Backblaze, owner of 317,230 HDDs, says HDDs are “lasting longer”
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I have a question, but I'm struggling in how to phrase it. In 2013, MTBF and AFR had specific curves. The stats show that when checked in 2021 and 2025, these curves had changed, suggesting drives are more reliable for longer now.
I remember back in 2013 when this was done, they provided the ages of all the drives they were measuring. I presume that by 2021, all of the drives they had, had been replaced and they weren't running any of the same drives. Is that still the case for 2025? It's only been 4 years. I personally haven't had any drive failures since around 2014, and so am still using all the same drives (even though I bought new drives in 2020 and again in 2024 under anticipation that It Was Time). In fact, of all my drives, it's a single drive from my 2020 purchase that has shown an increase in block errors (completely due to overheating) -- but the drive still has failed to, er, fail. Obviously, their data involves magnitudes more devices than my own experience, but I do wonder a) if older devices had failure issues that have since been solved in manufacturing and b) if survivor devices are hanging around longer and now skewing the statistics the other direction.
But as I say, that's not really quite what I mean to be asking. There's some other niggling thing hiding in all that data that I can't quite put my finger on.
I remember back in 2013 when this was done, they provided the ages of all the drives they were measuring. I presume that by 2021, all of the drives they had, had been replaced and they weren't running any of the same drives. Is that still the case for 2025? It's only been 4 years. I personally haven't had any drive failures since around 2014, and so am still using all the same drives (even though I bought new drives in 2020 and again in 2024 under anticipation that It Was Time). In fact, of all my drives, it's a single drive from my 2020 purchase that has shown an increase in block errors (completely due to overheating) -- but the drive still has failed to, er, fail. Obviously, their data involves magnitudes more devices than my own experience, but I do wonder a) if older devices had failure issues that have since been solved in manufacturing and b) if survivor devices are hanging around longer and now skewing the statistics the other direction.
But as I say, that's not really quite what I mean to be asking. There's some other niggling thing hiding in all that data that I can't quite put my finger on.
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