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From: Francois Barre <francois.barre@gmail.com>
To: linux-raid@vger.kernel.org
Subject: Re: multiple Sata SATAII 150, TX4 - how to tell which drive is which?headaches galore!
Date: Tue, 24 Jan 2006 18:21:44 +0100	[thread overview]
Message-ID: <fd8d0180601240921l7ed29964n@mail.gmail.com> (raw)
In-Reply-To: <Pine.LNX.4.56.0601241716070.20760@lion.drogon.net>

> Some drives do support quiet vs. performance modes.
>
> hdparm will set this for you, however, from the hdparm manual page:
>
>       -M     Get/set Automatic Acoustic Management (AAM) setting. Most modern
>              harddisk drives have the ability to speed down  the  head  move-
>              ments  to  reduce  their  noise output.  The possible values are
>              between 0 and 254. 128 is the most quiet (and therefore slowest)
>              setting and 254 the fastest (and loudest). Some drives have only
>              two levels (quiet / fast), while others may have different  lev-
>              els  between  128 and 254.  THIS FEATURE IS EXPERIMENTAL AND NOT
>              WELL TESTED. USE AT YOUR OWN RISK.
>
> Good luck!
>
> Gordon
>

Did it ever work for you ?
I may be unlucky, but I never seen this work for any of my drives.
Or maybe my ears are always polluted, and I hear the heads move even
in my dreams :-p....

  reply	other threads:[~2006-01-24 17:21 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-01-24  6:30 multiple Sata SATAII 150, TX4 - how to tell which drive is which?headaches galore! Mitchell Laks
2006-01-24 12:53 ` David Greaves
2006-01-24 16:10   ` Shawn Usry
2006-01-24 17:02     ` David Greaves
2006-01-24 17:12     ` Francois Barre
2006-01-24 17:18       ` Gordon Henderson
2006-01-24 17:21         ` Francois Barre [this message]
2006-01-24 17:32           ` Gordon Henderson
2006-01-24 22:56       ` John Hendrikx
2006-01-25  5:51       ` Mattias Wadenstein
2006-01-25  8:33       ` Hans Kristian Rosbach
  -- strict thread matches above, loose matches on Subject: below --
2006-01-23  8:36 multiple Sata SATAII 150, TX4 - how to tell which drive is which? headaches galore! Mitchell Laks
2006-01-23 12:20 ` PFC
2006-01-23 20:22   ` John Hendrikx
2006-01-23 20:44     ` Shawn Usry
2006-01-23 20:49       ` Jeff Garzik
2006-01-23 20:53       ` John Hendrikx
2006-01-24  9:54     ` PFC
2006-01-24 14:40       ` Jeff Garzik
2006-01-23 16:27 ` Shawn Usry
2006-01-23 17:41 ` Shawn Usry
2006-01-24  2:46   ` multiple Sata SATAII 150, TX4 - how to tell which drive is which?headaches galore! Shawn Usry

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