linux-kernel - Re: hdparm -M acoustic management for sata disks?

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Message-ID: <485D098E.3080109@rtr.ca>
Date:	Sat, 21 Jun 2008 10:00:46 -0400
From:	Mark Lord <lkml@....ca>
To:	Soeren Sonnenburg <kernel@....de>
Cc:	Linux Kernel <linux-kernel@...r.kernel.org>
Subject: Re: hdparm -M acoustic management for sata disks?

Soeren Sonnenburg wrote:
> Dear all,
> 
> why is acoustic management via hdparm not supported for sata disks?
> 
> # hdparm -M /dev/sda
> 
> /dev/sda:
>  acoustic      = not supported
..

No, that means that your *drive* doesn't support it.
Check for yourself, with "hdparm -I /dev/sda | grep Acoustic".

..
> Is there any patch flying around that already enables this or even any
> ETA in the current mainstream?
..

No patch required -- hdparm (newer versions) already do this correctly.

Cheers
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