[Linux-cluster] Cannot join two nodes together

[Ryan O'Hara]

Ozarchuk, John D wrote:
> I have two nodes on the same subnet, can ping each other, are both 
> alive, both are members of a two-node cluster.  When I start cman on 
> both nodes at the same time it says “X not a cluster member after 60 sec 
> post_join_delay”.  The output of clustat shows that the other node is 
> “Offline” and the first node is “Online, local”.  The nodes are fencing 
> each other and powering each other off. 
> 
>  
> 
> Please help determine why I cannot get these nodes to join. Below is 
> some information from my systems. RedHat Support is not getting anywhere. 

You probably want to set the "two_node=1" option in the cluster.conf 
file. A good explanation of the caveats of a two-node cluster can be 
found in the FAQ, found here:

http://sourceware.org/cluster/faq.html

-Ryan