Date: Sun, 11 Nov 2007 22:46:06 +1100 (EST) From: Ian Smith <smithi@nimnet.asn.au> To: Zac <chocolatemintmocha@gmail.com> Cc: freebsd-mobile@freebsd.org Subject: Re: HDD heads parking Message-ID: <Pine.BSF.3.96.1071111220225.2408C-100000@gaia.nimnet.asn.au> In-Reply-To: <4736CAF2.80906@gmail.com>
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On Sun, 11 Nov 2007, Zac wrote: > Responding to > <http://lists.freebsd.org/pipermail/freebsd-mobile/2007-October/010186.html>; > > This problem seems to affect Toshiba a105 laptops also. 'ataidle -P 254 > 0 0' seems to fix the problem after the system is loaded, but I've > noticed that when the computer boots or reboots, the load cycles still > seem to increase (did a test via smartctl). It is an improvement, but > I'm trying to figure out how to disable this completely, even at boot time. See /usr/local/etc/rc.d/ataidle.sh for sample rc.conf settings to run ataidle on disk/s at boot. I'm now using 'ataidle -P 0 0 0' which disables APM altogether on ad0, after finding I'd used up 25% of my nominal lifetime allowance of ~2M Load_Cycle_Counts in just under a year powered up over about 18 months, so I was very glad to find out about this. (Fujitsu MHV2040AH) You'll need to run ataidle again in /etc/rc.resume if you're suspending your laptop. You could even run different settings on battery or AC .. Cheers, Ian
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