On 03/18/2011 12:50 AM, Fabio M. Di Nitto wrote: > On 03/18/2011 12:47 AM, C.D. wrote: >> >> On Thu, Mar 17, 2011 at 10:29 PM, Richard Allen <ra@xxxxx >> <mailto:ra@xxxxx>> wrote: >> >> I have a simple test cluster up and running (RHEL 6 HA) on three >> vmware guests. Each vmware guest has 3 vnic's. >> >> After booting a node, I often get a dead rgmanager: >> >> [root@syseng1-vm ~]# service rgmanager status >> rgmanager dead but pid file exists >> >> Cluster is otherwise OK >> >> [root@syseng1-vm ~]# clustat >> Cluster Status for RHEL6Test @ Thu Mar 17 16:10:38 2011 >> Member Status: Quorate >> >> Member Name ID Status >> ------ ---- ---- ------ >> syseng1-vm 1 Online, Local >> syseng2-vm 2 Online >> syseng3-vm 3 Online >> >> There is a service running on node2 but clustat has no info on that. >> >> >> >> [root@syseng1-vm ~]# cman_tool status >> Version: 6.2.0 >> Config Version: 9 >> Cluster Name: RHEL6Test >> Cluster Id: 36258 >> Cluster Member: Yes >> Cluster Generation: 88 >> Membership state: Cluster-Member >> Nodes: 3 >> Expected votes: 3 >> Total votes: 3 >> Node votes: 1 >> Quorum: 2 >> Active subsystems: 1 >> Flags: >> Ports Bound: 0 >> Node name: syseng1-[CENSORED] >> Node ID: 1 >> Multicast addresses: 239.192.141.48 >> Node addresses: 10.10.16.11 >> >> >> The syslog has some info: >> >> Mar 17 15:47:55 syseng1-vm rgmanager[2463]: Quorum formed >> Mar 17 15:47:55 syseng1-vm kernel: dlm: no local IP address has been set >> Mar 17 15:47:55 syseng1-vm kernel: dlm: cannot start dlm lowcomms -107 > Make sure the VMs don't traverse any kind of NAT and that node names (as > specified in cluster.conf) resolves to the correct ip addresses. Also > cross check your iptables setup to allow traffic between nodes. DLM uses > TCP vs userland that uses multicast. > > Fabio > > -- > Linux-cluster mailing list > Linux-cluster@xxxxxxxxxx > https://www.redhat.com/mailman/listinfo/linux-cluster iptables ans selinux is disabled on my test setup. All hosts are properly set up in DNS and resolve fine in both directions and each node has a fully populated /etc/hosts just to be on the safe side. -- Rikki. -- RHCE, RHCX, HP-UX Certified Administrator. -- Solaris 7 Certified Systems and Network Administrator. Bell Labs Unix -- Reach out and grep someone. Those who do not understand Unix are condemned to reinvent it, poorly. -- Linux-cluster mailing list Linux-cluster@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/linux-cluster
