Kostik Belousov wrote: > On Tue, Feb 05, 2008 at 01:07:49PM +0000, Vince Hoffman wrote: >> 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. > I never looked into it, and I have heard that it has an architectural > problems. BTW intent of my patch is to have the ability to turn APM off. > Can ataidle do this ? > The manpage says it can with -P 0 it seems to work for me but the author does say about apm and aam support that: "These features are experimental, and should only be used after verify- ing that the drive works when sent those commands." ymmv I guess. Vince >> Vince >> >>> Any comments or objections against committing this ? >>> http://people.freebsd.org/~kib/misc/ata_setcap.1.patchReceived on Tue Feb 05 2008 - 14:52:56 UTC
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