Communication Failure (0) Cluster Node

E

elproducto

Active Member
Jul 3, 2013
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I am testing ProxMox for my home servers and testing various distributions. I setup Proxmox on a desktop computer and got another desktop computer to add more VMs too. I followed the instructions to setup a cluster. On the master server for the cluster when I try to do anything on the secondary server I keep getting communication failure error (0). I did some reading and saw that router/switch needs to be able to support multicast. I have a dd-wrt router and I don't think it supports multicast. So I setup my cluster.conf to work with UDP. I am still getting the communications failure error. Not sure what I am doing wrong, but would like to be able to administer the secondary server from the primary. If all fails is is possible to import the qcow2 for the VMs if I start from scratch? Or is it possible to remove the secondary server from the cluster without losing the VM that are currently on it? Thanks for any help.

Here is my cluster.conf file
Code: 
<?xml version="1.0"?><cluster name="PROX" config_version="4">


  <cman keyfile="/var/lib/pve-cluster/corosync.authkey" transport="udpu"/>


  <clusternodes>
  <clusternode name="proxmox" votes="1" nodeid="1"/>
  <clusternode name="proxmox2" votes="1" nodeid="2"/></clusternodes>


</cluster>
 
Yes those are the step I followed to setup udp. I changed the version number add the transport="udpu"/ and removed the </cman> in the fourth line. I then edited the host file to include the adress and hostname of both nodes. Rebooted both nodes after editing the /etc/hosts files.
 
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