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Re: write cache on 3ware controller and XFS

To: Seth Mos <knuffie@xxxxxxxxx>
Subject: Re: write cache on 3ware controller and XFS
From: Christophe Zwecker <doc@xxxxxxxxxx>
Date: 06 Nov 2002 11:38:16 +0100
Cc: TJ Easter <tje@xxxxxxxxxx>, "Bryan J. Smith" <b.j.smith@xxxxxxxx>, linux-xfs@xxxxxxxxxxx
In-reply-to: <4.3.2.7.2.20021106104258.02e7cec0@pop.xs4all.nl>
References: <1036533303.3dc83e370b1b4@webmail.smithconcepts.com> <4.3.2.7.2.20021106104258.02e7cec0@pop.xs4all.nl>
Sender: linux-xfs-bounce@xxxxxxxxxxx
For IBM I found a thing called "Feature Tool" which can disable
write/read cache, set SMART, accustic managment and so on. Tested here
with a maxtor drive too.

On Wed, 2002-11-06 at 10:44, Seth Mos wrote:
> At 17:56 5-11-2002 -0500, TJ Easter wrote:
> >Will 'hdparm -W /dev/hdX' not disable the write cache in this scenario?
> 
> On a standard IDE controller yes, but not permanently. You need tools from 
> the disk manufacturer to do this.
> 
> And the scenario doesn't work when attached to a 3ware controller at all. 
> The 3ware controller acts like a scsi device so only a single /dev/sdxX 
> would show up.
> 
> Cheers
> 
> --
> Seth
> It might just be your lucky day, if you only knew.
> 
-- 
Christophe Zwecker                     mail: doc@xxxxxxxxxx
Hamburg, Germany                        fon: +49 179 3994867
http://www.zwecker.de

"Who is General Failure ?  And why is he reading my disk ??"


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