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From: Etienne Vogt <etienne.vogt@obspm.fr>
To: linux-kernel@vger.kernel.org
Subject: Re: aic79xx trouble
Date: Sun, 16 May 2004 19:42:33 +0200 (CEST)	[thread overview]
Message-ID: <Pine.LNX.4.58.0405161930260.2851@siolinb.obspm.fr> (raw)
In-Reply-To: <200405132136.32703.bernd.schubert@pci.uni-heidelberg.de>


On Thu, 13 May 2004, Bernd Schubert wrote:

> Oh, I forgot the system specifications:
>
> - dual opteron on tyan S2882 board
> - vanilla linux-2.4.26
>
> > we are just in the process of setting up a new server, which will serve the
> > data of an IDE/SCSI raid system (transtec 5008). Some partions of this raid
> > device are also mirrored via drbd to a failover system. During a full
> > resync of all (3) failover partitions *from* the failover server, the
> > main-server first logs many scsi errors and later the access to the
> > raid-partitions completely locks up.
> >
> > Below is some relevant dmesg output, I already enabled the verbose option
> > for the aic79xx driver. Should I also enable debugging, if so, which mode?

 The Adaptec Ultra320 cards (aic79xx) do not work reliably on Tyan Thunder
motherboards. Lots of SCSI errors and eventually complete system lockup.
I guess those motherboards have a crappy PCI bus with a lot of noise
that can't cope with the high transfer speed of these SCSI cards.
 I suggest you try an Ultra160 card. We have 3 Tyan Thunder based systems
here (those are dual Athlon MP2800) that work fine with Adaptec Ultra160
cards (aic7xxx) but give lots of errors with the Ultra320 cards.

-- 
		Etienne Vogt (Etienne.Vogt@obspm.fr)
		Unix System Manager
		Observatoire de Paris-Meudon, France

  reply	other threads:[~2004-05-16 17:42 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-05-13 19:25 Bernd Schubert
2004-05-13 19:36 ` Bernd Schubert
2004-05-16 17:42   ` Etienne Vogt [this message]
2004-05-16 18:10     ` Justin T. Gibbs
2004-05-18 15:48       ` Marcelo Tosatti
2004-05-20 15:22         ` Justin T. Gibbs
2004-05-20 16:15           ` Justin T. Gibbs
2004-05-21 21:52             ` Erik Andersen
2004-05-20 20:30       ` Marcelo Tosatti
2004-05-20 20:49         ` Justin T. Gibbs
2004-05-21 11:24           ` Jens Axboe

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