Re: AHCI power saving (was Re: Ten hours on X60s)

[Mark Lord]

Jeff Garzik wrote:
> Andi Kleen wrote:
>
> > How does it shorten its life?
>
> Parks your hard drive heads many thousands of times more often than it 
> does without the aggressive PM features.

Spinning-down would definitely shorten the drive lifespan.  Does it do that?

Parking heads is more like just doing some extra (long) seeks.
Is this documented somewhere as being a life-shortening action?

Cheers
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