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RE: [Linux-cluster] Cannot join two nodes together



This is a cman_tool nodes from each node...

[root bplmft11 ~]# cman_tool nodes
Node  Sts   Inc   Joined               Name
   1   X     24                        bplmft12
   2   M      4   2007-09-26 13:33:04  bplmft11

Last login: Wed Sep 26 14:35:26 2007 from bplmft11
[root bplmft12 ~]# cman_tool nodes
Node  Sts   Inc   Joined               Name
   1   M      4   2007-09-26 14:35:16  bplmft12
   2   X     24                        bplmft11

It's as if each node is locally joined but the other node is not.  

-----Original Message-----
From: linux-cluster-bounces redhat com
[mailto:linux-cluster-bounces redhat com] On Behalf Of Ryan O'Hara
Sent: Wednesday, September 26, 2007 2:30 PM
To: linux clustering
Subject: Re: [Linux-cluster] Cannot join two nodes together

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

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