Hard Drive Stats for Q2 2016

Re:Hard Drive Stats for Q2 2016 by kgermino on Tuesday August 02, 2016 @11:46PM (#12215447)

>though this assumes failure rate is linear rather than accelerating over time, that failures are independent (vs a design flaw that causes them to fail around the same time, which happens enough that people recommend buying drives from separate batches / date of mfg)

I saw this happen once. A drive died, it was replaced and while the array was rebuilding several more failed. They ended up losing the entire SAN.

It wasn't a good day.

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Re:Hard Drive Stats for Q2 2016 by throwaway7767 on Wednesday August 03, 2016 @09:20AM (#12217711)

This is why I try not to buy many disks at once, just buy one at a time, and if I need more than one I'll go to different stores. Too much chance of getting a bad batch of disks and having the whole array go down (I've had that happen too).

Of course, that doesn't work at a large scale, but then you have other methods of increasing redundancy.

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