Thanks for your answer Daniela,
I checked what you suggested but according to cman man page, broadcast
is used by default and multicast is only used if a multicast parameter
is given in the cluster.conf file.
Nethertheless, I checked if broadcast were allowed on my networks
(192.168.100.0) and it works (ping -b 192.168.100.255).
Thanks again but it seems that the problem come from somewhere else.
Daniela Anzellotti a écrit :
Hi Vincent,
as far as I know, the nodes talk each other using multicast.
It looks like they are connected by something (a switch?) which
doesn't allow multicast to pass.
May be you could try to connect the nodes using a simple HUB... if it
works then that was the problem.
Cheers,
Daniela
Vincent VIAL wrote:
I set up a two nodes cluster (centos 5.2) but I've got the following
probleme...
Here is my cluster.conf file :
[root@master ~]# cat /etc/cluster/cluster.conf
<?xml version="1.0"?>
<cluster alias="cluster2" config_version="6" name="cluster2">
<fence_daemon clean_start="0" post_fail_delay="0"
post_join_delay="3"/>
<clusternodes>
<clusternode name="noeud01.cluster" nodeid="1" votes="1">
<fence/>
</clusternode>
<clusternode name="master.cluster" nodeid="2" votes="1">
<fence/>
</clusternode>
</clusternodes>
<cman expected_votes="1" two_node="1"/>
<fencedevices/>
<rm>
<failoverdomains/>
<resources/>
</rm>
</cluster>
From the node master.cluster, the clustat command shows this :
[root@master ~]# clustat
Cluster Status for cluster2 @ Wed Feb 25 23:24:21 2009
Member Status: Quorate
Member Name ID Status
------ ---- ---- ------
noeud01.cluster 1 Offline
master.cluster 2 Online, Local
And from the node noeud01.cluster, the clustat command shows this :
[root@noeud01 ~]# clustat
Cluster Status for cluster2 @ Wed Feb 25 23:26:17 2009
Member Status: Quorate
Member Name ID Status
------ ---- ---- ------
noeud01.cluster 1 Online, Local
master.cluster 2 Offline
I can successfully ping noeud01.cluster from master.cluster and
master.cluster from noeud01.cluster
I don't understand what the two nodes can't see eachother.
Thanks for your help;
Best regards
Vincent
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