You must have fencing configured. DLM blocks until fenced confirms successful fence and rgmanager uses DLM locks. Even in pacemaker, fencing is required to prevent split-brains.
On 01/09/15 11:55 AM, Stanislav Kopp wrote: > Hi all, > > I'm testing now "corosync+cman+rgmanager" on Debian Jessie (since > Pacemaker is not in repos), I'm running two nodes cluster with simple > VIP resource. Resource migration work pretty well if I gracefully > shutdown the active node, but if try to kill the node with simulated > kernel panic (echo c > /proc/sysrq-trigger) the VIP resource will not > be migrated even if "clustat" says the node is "offline". I've fome > some errors in fenced.log > > "fence rgmanager02 dev 0.0 agent none result: error no method" > > So if I understand it right, since fencing is not working rgmanager > does nothing in order to not make it worse, is that correct? If yes, > can I force it do not care about fencing? (I know that is general not > a good idea) > > My cluster.conf for more information: > ######################################## > <?xml version="1.0"?> > <cluster name="mycluster" config_version="15"> > <cman two_node="1" expected_votes="1" transport="udpu"/> > <clusternodes> > <clusternode name="rgmanager01" nodeid="1"> > <fence/> > </clusternode> > <clusternode name="rgmanager02" nodeid="2"> > <fence/> > </clusternode> > </clusternodes> > <fencedevices/> > <rm> > <failoverdomains> > <failoverdomain name="domainarg" ordered="0" restricted="0"> > <failoverdomainnode name="rgmanager02" priority="1"/> > <failoverdomainnode name="rgmanager02" priority="1"/> > </failoverdomain> > </failoverdomains> > <resources> > <ip address="192.168.122.10" monitor_link="1"/> > </resources> > <service autostart="1" domain="domainarg" exclusive="1" name="HA_IP" > recovery="relocate"> > <ip ref="192.168.122.10"/> > </service> > </rm> > </cluster> > ################################################ > > > Thanks, > Stan > > _______________________________________________ > Users mailing list: [email protected] > http://clusterlabs.org/mailman/listinfo/users > > Project Home: http://www.clusterlabs.org > Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf > Bugs: http://bugs.clusterlabs.org > -- Digimer Papers and Projects: https://alteeve.ca/w/ What if the cure for cancer is trapped in the mind of a person without access to education? _______________________________________________ Users mailing list: [email protected] http://clusterlabs.org/mailman/listinfo/users Project Home: http://www.clusterlabs.org Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf Bugs: http://bugs.clusterlabs.org
