On 25/06/2019 01:29, Martin Gregorie wrote:
> On Mon, 24 Jun 2019 23:47:39 +0100, Ahem A Rivet's Shot wrote:
>
>> On Mon, 24 Jun 2019 19:22:06 +0000 (UTC)
>> Martin Gregorie  wrote:
>>
>>> On Mon, 24 Jun 2019 19:43:10 +0100, Adrian wrote:
>>>
>>>> In message , David Higton
>>>>  writes
>>>>> At three years old, it's already reached the end of its life, so the
>>>>> MTTF specification no longer applies.  It is (or should be!) up for
>>>>> replacement already.
>>>>>
>>>>>
>>>>>
>>> Your disk is a mere youth at 18474 hours: the Hitachi disks I had that
>>> died at a bit under 50K hours were much older than that: one was the
>>
>>  Hmm I have eight rather old (made in 2012) 2TB 3.5" SAS drives
> each
>> with over 50K hours in my house NAS, none of them have yet reported so
>> much as a correctable error.
>
> Who made them and what grade are they?
>
> I'm currently using WD Blue everywhere, but think I should probably have
> put a WD Red in the always-on house server, but since the Blue's are only
> two years old, hopefully it will be a long time before they fail.
>
>
Its not time dependent - its wear related to usage.
Spin time and number of seeks is very relevant



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