Re: Re: 3c905 errors:

On Thu, 9 Oct 2003, Steven Timm wrote:

> Up to this point I haven't been able to observe one of these errors as
> it happens, but over the course of this week there has been an average
> of two or three of them per node in a 240-node cluster.

I always advise against using force media type, but would it be possible
to force it for one or more computers to 100Mbit, full-duplex ? According
to what you say above, it should be apparent in just a few days (if not
sooner) what the outcome is. Please keep in mind to force both sides of
the connection: the network card (with 'mii-diag -F') and the switch port.

> Any advice on what might be happening?

A completely blind shot: are the network cables all coming from the same 
manufacturer ?

-- 
Bogdan Costescu

IWR - Interdisziplinaeres Zentrum fuer Wissenschaftliches Rechnen
Universitaet Heidelberg, INF 368, D-69120 Heidelberg, GERMANY
Telephone: +49 6221 54 8869, Telefax: +49 6221 54 8868
E-mail: [email protected]

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