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Date: Fri, 12 Oct 2007 09:30:45 -0400
From: Mark Lord <lkml@rtr.ca>
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To: crash@treysoft.com
Cc: linux-kernel@vger.kernel.org
Subject: Re: hdparm standby timeout not working for WD raptors?
References: <71b295590710061011g3cd43317i8eff3a7dce2a188@mail.gmail.com>	 <470E7B90.5060203@rtr.ca> <71b295590710112207v72b9eb8aqc19e59c610f20dd@mail.gmail.com>
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Mark Weber wrote:
>
> # hdparm -S1 -C /dev/sda; sleep 6; hdparm -C /dev/sda
> 
> /dev/sda:
>  setting standby to 1 (5 seconds)
>  drive state is:  active/idle
> 
> /dev/sda:
>  drive state is:  active/idle

That's interesting.

So, either something is regularly accessing/polling the drive,
or it just doesn't work with the standby timer.

Are there any interesting kernel messages being generated
during execution of those commands?

-ml