[ale] Controlling network interface order in 2.6 kernel

Dow_Hurst dhurst at mindspring.com
Tue Dec 14 19:51:03 EST 2004


What if it is a 1024 node cluster and you need to switch the NICs in each box?  Then a nice rollout package would be helpful!  Jeffrey works on clusters alot so that was my first thought for his reason for asking.
Dow


-----Original Message-----
From: "James P. Kinney III" <jkinney at localnetsolutions.com>
Sent: Dec 14, 2004 6:19 PM
To: Atlanta Linux Enthusiasts <ale at ale.org>
Subject: Re: [ale] Controlling network interface order in 2.6 kernel

On Tue, 2004-12-14 at 07:31, Christopher Ness wrote:
> On 12/13/2004 10:38 pm, Chris Ricker scratched his head, bit his pencil and 
> wrote:
> >
> > If they use different drivers, control with /etc/modprobe.conf:
> ...
> > There are other ways, but those are the simplest.
> 
> Not to undermine Mr. Rickers elegant and correct solution, but I had great 
> sucess when I had the same problem.
> What I did was open the top od the box and remove both cards and put them back 
> in opposite slots. And reboot.

Do it the hard way! I just swapped the wires and relabeled the
connection. The only time this has not worked is when one card was Gbit
and the other was old 10Mb and the need was there to keep the old one on
the line to the outside WAN and the fast on the LAN.
-- 
James P. Kinney III          \Changing the mobile computing world/
CEO & Director of Engineering \          one Linux user         /
Local Net Solutions,LLC        \           at a time.          /
770-493-8244                    \.___________________________./
http://www.localnetsolutions.com

GPG ID: 829C6CA7 James P. Kinney III (M.S. Physics)
<jkinney at localnetsolutions.com>
Fingerprint = 3C9E 6366 54FC A3FE BA4D 0659 6190 ADC3 829C 6CA7


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Dow Hurst, Research Scientist
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