[Linux-cluster] heartbeat over 2 NICs

Christine Caulfield ccaulfie at redhat.com
Mon Jun 2 13:38:37 UTC 2008

Jakub Suchy wrote:
> Hi,
> I would like to know, if it's possible to run heartbeat (through cman)
> over two dedicated network NICs. AFAIK, in old hearbeat code, it was
> possible using serial + NIC. Unfortunately, I was unable to find this in
> any documentation and this is the first time a customer is requesting
> this. (I am not talking about network bonding).

Basically, no.

If you want to use 2 NICs then bonding is what you need. cman can use 
dual NICs after a fashion but it's not supported and even less well tested.




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