Hash: SHA1
Use channel bonding...
http://www.mjmwired.net/kernel/Documentation/networking/bonding.txt
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Flávio do Carmo Júnior aka waKKu
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On Thu, Dec 11, 2008 at 11:32 PM, Michael O'Sullivan <michael.osullivan@xxxxxxxxxxxxxx> wrote:
Hi everyone,
I have been trying to set up a 2-node cluster where both nodes have multiple links to the cluster. Initially, I specified two IP addresses for each cluster node in /etc/hosts, but this seemed to confuse the fencing and make the cluster hang.
Now I am trying to use a link equalizer (TEQL device, see the Linux Advanced Routing and Traffic Control - lartc.org for details) which uses a single IP address and shares the load across the two links. However, some packets may be delivered out of order...
Unfortunately, using the TEQL device makes the 2-node cluster have a split-brain problem that I can't seem to remedy. I changed /etc/hosts to use one of the actual NICs instead of the TEQL device and got the cluster going, but as soon as I go back to the TEQL device node 1 thinks node 2 is offline and node 2 thinks node 1 is offline...
Does anyone have any suggestions to fix this? Or alternatives for using a single IP address? (Note, I have not used ethernet bonding as it does not utilize the full capacity of both links whereas I think TEQL will.)
I'm happy to supply any extra information required. Thanks in advance for any help, Mike
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