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Date:      Tue, 5 Feb 2008 22:10:53 +0100
From:      =?ISO-8859-1?Q?S=F8ren_Schmidt?= <sos@deepcore.dk>
To:        Bruce Cran <bruce@cran.org.uk>
Cc:        Kostik Belousov <kostikbel@gmail.com>, Alexander Leidinger <Alexander@leidinger.net>, current@FreeBSD.ORG, sos@FreeBSD.ORG
Subject:   Re: Load_Cycle_Count and ATA APM
Message-ID:  <72AEA190-4F56-4713-88C6-FF89FC69B5AE@deepcore.dk>
In-Reply-To: <47A8CFE5.5000404@cran.org.uk>
References:  <20080205130210.GQ57756@deviant.kiev.zoral.com.ua>	<20080205173657.z4l7gf18g00ssso4@webmail.leidinger.net> <20080205203826.GT57756@deviant.kiev.zoral.com.ua> <47A8CFE5.5000404@cran.org.uk>

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Hi all!

Talk to phk, I discussed the "right" way of doing things with him a =20
few month back and I think he did at least a proof of concept thing on =20=

it, dunno how far it got. Maybe it could be used as a starting ground =20=

for a proper solution.

I dont have much time (still) but maybe I could find time to finish =20
up / overhaul a part solution as mentioned above....

-S=F8ren



On 5Feb, 2008, at 22:06 , Bruce Cran wrote:

> Kostik Belousov wrote:
>> [Replying to the original list of the recipients].
>> On Tue, Feb 05, 2008 at 05:36:57PM +0100, Alexander Leidinger wrote:
>>> Quoting Kostik Belousov <kostikbel@gmail.com> (from Tue, 5 Feb =20
>>> 2008  15:02:10 +0200):
>>>
>>>> I noted that when idle, my laptop HDD increases the =20
>>>> Load_Cycle_Count
>>>> (193) approx. each ten seconds, as reported by smartctl. Have =20
>>>> recently
>>>> read about the Ubuntu and APM mode for hard drives, I searched =20
>>>> for the
>>>> tool to tune APM (that has functionality similar to linux' hdparm =20=

>>>> -B).
>>>>
>>>> It seems that FreeBSD does not have a tool ? Am I wrong ? In case =20=

>>>> I did
>>>> not make a mistake, below is the patch that allows to manage APM =20=

>>>> state
>>>> of the hard drive using atacontrol.
>>> Any chance to also handle automatic acoustic management at the =20
>>> same time?
>> http://people.freebsd.org/~kib/misc/ata_setcap.2.patch
>
> The PR bin/81692 also has a patch to add APM and AAM functionality =20
> to atacontrol on FreeBSD 6.
>
> --
> Bruce
>




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