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atacontrol spindown 0 does not work

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David Demelier

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Mar 1, 2011, 3:21:23 AM3/1/11
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Hello,

I don't like to hear the spin down from my hard drive, it does it every
10 seconds approximately. I used ataidle -P 0 /dev/ad0 to disable it and
it works.

When I saw there was a atacontrol command for this, I tried it, so I
removed ataidle and I tried :

markand@Melon ~ $ sudo atacontrol spindown ad0 0
markand@Melon ~ $ sudo atacontrol spindown ad0
ad0: idle spin down disabled

But I can still hear the noise every 10 seconds, I think atacontrol does
not totally close the APM feature of the device.

Do you have any clue?

Cheers,

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David Demelier
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Bruce Cran

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Mar 1, 2011, 4:15:01 AM3/1/11
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On Tue, 2011-03-01 at 09:21 +0100, David Demelier wrote:

> But I can still hear the noise every 10 seconds, I think atacontrol does
> not totally close the APM feature of the device.

atacontrol's spindown setting doesn't change anything in the disk
itself: it just controls a timer in the ad(4) driver which sends a
spindown command when it expires. You'll need to keep using ataidle to
fix the APM value.

--
Bruce Cran

Matthias Apitz

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Mar 1, 2011, 5:47:03 AM3/1/11
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El día Tuesday, March 01, 2011 a las 09:15:01AM +0000, Bruce Cran escribió:

> On Tue, 2011-03-01 at 09:21 +0100, David Demelier wrote:
>
> > But I can still hear the noise every 10 seconds, I think atacontrol does
> > not totally close the APM feature of the device.
>
> atacontrol's spindown setting doesn't change anything in the disk
> itself: it just controls a timer in the ad(4) driver which sends a
> spindown command when it expires. You'll need to keep using ataidle to
> fix the APM value.

To the OP: I have to use ataidle as well on an Acer Aspire D250 laptop
to switch-off the spindown of the disk... I'm wondering why you would
prefere atacontrol? Thanks

matthias

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Matthias Apitz
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Bruce Cran

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Mar 1, 2011, 5:52:29 AM3/1/11
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On Tue, 2011-03-01 at 11:47 +0100, Matthias Apitz wrote:

> I'm wondering why you would
> prefere atacontrol?

I think everyone's been looking for an "official" solution.

--
Bruce Cran

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