Subject: Re: hdparm -M acoustic management for sata disks?
From: Soeren Sonnenburg <kernel@nn7.de>
To: Ondrej Zary <linux@rainbow-software.org>
Cc: Mark Lord <lkml@rtr.ca>, Linux Kernel <linux-kernel@vger.kernel.org>
In-Reply-To: <200806212034.24059.linux@rainbow-software.org>
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Date: Sat, 21 Jun 2008 20:46:59 +0200
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On Sat, 2008-06-21 at 20:34 +0200, Ondrej Zary wrote:
> On Saturday 21 June 2008 18:40:56 Soeren Sonnenburg wrote:
> > On Sat, 2008-06-21 at 10:00 -0400, Mark Lord wrote:
> > > Soeren Sonnenburg wrote:
> > > > Dear all,
> > > >
> > > > why is acoustic management via hdparm not supported for sata
> disks?
> > > [...]
> > # hdparm -M 128 /dev/sda
> >
> > /dev/sda:
> >  setting acoustic management to 128
> >  HDIO_DRIVE_CMD:ACOUSTIC failed: Input/output error
> >  acoustic      = not supported
> >
> 
> Aren't they Seagate drives? They're known not to support acoustic management.

Yes all of them were seagate drives.

So just bad luck... I should simply not have exchanged that noise fan -
now I head the hard-disks seeking...

Am I guessing right that samsung, hitachi et.al just do have support for
AAM?

Soeren
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