linux-kernel - Re: hdparm standby timeout not working for WD raptors?

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Message-ID: <470F7705.3@rtr.ca>
Date:	Fri, 12 Oct 2007 09:30:45 -0400
From:	Mark Lord <lkml@....ca>
To:	crash@...ysoft.com
Cc:	linux-kernel@...r.kernel.org
Subject: Re: hdparm standby timeout not working for WD raptors?

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
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