Re: When do you replace old hard drives in a raid6?

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On 03/05/2016 03:49 PM, Ram Ramesh wrote:
> I am curious if people actually replace hard drives periodically because
> they are old or out of warranty. My 5 device raid6 has several older
> drives (3/5 are 3+ years old and out of warranty) They seem fine with
> SMART and raid scrubs. However, it makes me wonder when they will die.
> What is the best policy in such situations? More importantly, do people
> wait for disks to die and then replace or have some ad hoc schedule of
> replacing (like every 6mo replace oldest) to keep things safe?

I replace drives when their relocation count hits double digits.  In my
limited sample, that's typically after 40,000 hours.

Phil
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