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Date: Tue, 05 Feb 2008 13:07:49 +0000
From: Vince Hoffman <jhary@unsane.co.uk>
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To: Kostik Belousov <kostikbel@gmail.com>
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Cc: current@freebsd.org, sos@freebsd.org
Subject: Re: Load_Cycle_Count and ATA APM
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Kostik Belousov wrote:
> I noted that when idle, my laptop HDD increases the Load_Cycle_Count
> (193) approx. each ten seconds, as reported by smartctl. Have recently
> read about the Ubuntu and APM mode for hard drives, I searched for the
> tool to tune APM (that has functionality similar to linux' hdparm -B).
> 
> It seems that FreeBSD does not have a tool ? Am I wrong ? In case I did
> not make a mistake, below is the patch that allows to manage APM state
> of the hard drive using atacontrol.
> 
/usr/ports/sysutils/ataidle  exists and is usable, (I use it on my
laptop.) However it seems it could be a sensible thing to have in
atacontrol.

Vince

> Any comments or objections against committing this ?
> http://people.freebsd.org/~kib/misc/ata_setcap.1.patch