:: Re: [DNG] SSD Lifetime?
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著者: jeremy ardley
日付:  
To: dng
題目: Re: [DNG] SSD Lifetime?

On 5/12/23 17:12, Didier Kryn wrote:
>
> You also talk about the noise of a monster spinning disk used for
> backup, but the recommendation for a backup disk is to *not* let it
> powered all the time. I've read that a spinning disk used rarely is
> considered the most resilient backup storage, in contradiction with
> SSDs which loose data if they aren' t periodically powered.
>

--

Some hard drives are designed to run continuously for years. In my case
I use WD Red drives in my NAS and they are still fine after 7 (?) 
years. They are two drives in RAID but nothing has failed.

With WD, Blue and Green are cheaper but reliable life is much lower.

As an aside, WD now have Purple drives which I've not used. They are
marketed as suitable for surveillance camera usage with continual
rolling over of content. I'm not sure of what expected life they have.