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Date: Wed, 25 Sep 2002 16:06:26 +0100
From: Padraig Brady <padraig.brady@corvil.com>
Organization: Corvil Networks
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To: Mark Lord <mlord@pobox.com>
CC: Peter <cogwepeter@cogweb.net>, linux-kernel@vger.kernel.org
Subject: Re: hdparm -Y hangup
References: <Pine.LNX.4.44.0209231556350.16402-100000@greenie.frogspace.net> <3D91CF1E.3080606@pobox.com>
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Mark Lord wrote:
> Peter wrote:
> 
>>
>> Clarification: is it the case that hdparm -Y (sleep) will cool the 
>> drive off better than hdparm -y (suspend)?
> 
> 
> In theory, -Y is capable of greater power (heat) savings than -y,
> but in practice this will be model-specific and probably
> will pale in comparism to the huge savings from -y alone.

True. Is there any chance you could mark -Y (DANGEROUS).
Even if it is dangerous currently because of an IDE bug
it still is dangerous.

>> I read somewhere that -Y only works on unmounted drives. This appears 
>> to be false. Comments?
> 
> It should work on the raw drive regardless.

thanks,
P?draig.

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