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    SubjectRe: AHCI power saving (was Re: Ten hours on X60s)
    On Mon 2006-11-13 12:58:10, Mark Lord wrote:
    > 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?

    Not on my machine.

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

    I do not see any effects after applying that patch.
    Pavel

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