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Date:      Tue, 10 Aug 1999 12:38:02 -0700 (PDT)
From:      Doug White <dwhite@resnet.uoregon.edu>
To:        freebsd-current@FreeBSD.ORG
Subject:   Re: wd0: interrupt timeout (status 58<rdy,seekdone,drq> error  1<no_dam>)
Message-ID:  <Pine.BSF.4.10.9908101237210.79312-100000@resnet.uoregon.edu>
In-Reply-To: <199908100105.DAA08856@dorifer.heim3.tu-clausthal.de>

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On Tue, 10 Aug 1999, Oliver Fromme wrote:

> Doug wrote in list.freebsd-current:
>  > On Mon, 9 Aug 1999, Brian McGroarty wrote:
>  > 
>  > > FWIW - I enabled APM over the weekend, configuring drives to
>  > > spin down when not used for a good period of time. I get the
>  > > message you list below, alternately with status 50 and 58, any
>  > > time a drive needs to spin up.
>  > 
>  > 	Thanks for the response. FWIW I have no apm enabled and these
>  > drives don't have a chance to spin down since they're always busy when
>  > under load. 
> 
> Do those drives happen to be IBM DeskStar drives?
> They spin down automatically when they have not been turned
> off for about a week, in order to clean the heads.
> It's a feature.

You've got to be kidding.  That makes them totally useless for server
operation -- at some random time every week, down goes your server for a
few minutes. :(

Doug White                               
Internet:  dwhite@resnet.uoregon.edu    | FreeBSD: The Power to Serve
http://gladstone.uoregon.edu/~dwhite    | www.freebsd.org



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