I'll admit to having trouble following you... So let's get some basics; * What is the cluster.conf of either cluster? * What exact IPs does the hostnames, as set in the cluster.conf, resolve to? * What is the exact IP of eth0 and eth1 on each node, inc. netmask? As a point of curiosity; why do you need the cluster names to be identical? Digi On 03/28/2012 12:00 AM, Parvez Shaikh wrote: > Thanks Fabio & Digimer, > > Just to add more information that each node has 4 NIC cards out of which - > > eth0 is public / management IP their addresses are falling on the same > subnet > > eth1 is private address and they are privately connected (node A - node > B) and (node C - node D) > > Cluster.conf mentions hostname(from /etc/hosts) which corresponds to IP > addresses of eth1 (not globally accessible name of eth0's IP) > > Even in situation such as above, cluster names should be unique? I would > assume that ccsd would use only the node names given in cluster.conf for > communication. > > Does ccsd use cluster name to locate other members of cluster and get > copy of cluster configuration file from those? > > Following messages are seen in /var/log/messages - > > Mar 28 11:57:07 blade4-2 ccsd[6821]: Starting ccsd 2.0.115: > Mar 28 11:57:07 blade4-2 ccsd[6821]: Built: Mar 16 2010 10:28:57 > Mar 28 11:57:07 blade4-2 ccsd[6821]: Copyright (C) Red Hat, Inc. 2004 > All rights reserved. > Mar 28 11:57:07 blade4-2 ccsd[6821]: cluster.conf (cluster name = > Cluster, version = 1) found. > Mar 28 11:57:07 blade4-2 ccsd[6821]: Remote copy of cluster.conf is from > quorate node. > Mar 28 11:57:07 blade4-2 ccsd[6821]: Local version # : 1 > Mar 28 11:57:07 blade4-2 ccsd[6821]: Remote version #: 1 > Mar 28 11:57:07 blade4-2 ccsd[6821]: Remote copy of cluster.conf is from > quorate node. > Mar 28 11:57:07 blade4-2 ccsd[6821]: Local version # : 1 > Mar 28 11:57:07 blade4-2 ccsd[6821]: Remote version #: 1 > Mar 28 11:57:07 blade4-2 ccsd[6821]: Remote copy of cluster.conf is from > quorate node. > Mar 28 11:57:07 blade4-2 ccsd[6821]: Local version # : 1 > Mar 28 11:57:07 blade4-2 ccsd[6821]: Remote version #: 1 > > > On Wed, Mar 28, 2012 at 12:13 PM, Fabio M. Di Nitto <fdinitto@xxxxxxxxxx > <mailto:fdinitto@xxxxxxxxxx>> wrote: > > On 3/28/2012 8:14 AM, Parvez Shaikh wrote: > > Hi experts, > > > > I am running in to a problem in a situation where two clusters in the > > network have same name. > > > > Node A, Node B : cluster name CLUSTER > > Node C, Node D : cluster name CLUSTER > > > > Node C and Node D's cluster is running fine however when I start > node A > > it copies /etc/cluster.conf (I believe ccsd) from either C and D and > > replaces its own and start attempting a cluster, of course it fails > > because C or D is not a host name of node A. > > > > Is it possible to have more than one clusters in same network, these > > nodes are in IBM blades hosted in Bladecenter and the heart beat > IPs are > > on private network. > > Uh.. you can have multiple clusters on the same network as long as they > have different names. Or you need to isolate them on different networks > if you need to keep the same name. > > Fabio > > -- > Linux-cluster mailing list > Linux-cluster@xxxxxxxxxx <mailto:Linux-cluster@xxxxxxxxxx> > https://www.redhat.com/mailman/listinfo/linux-cluster > > > > > -- > Linux-cluster mailing list > Linux-cluster@xxxxxxxxxx > https://www.redhat.com/mailman/listinfo/linux-cluster -- Digimer Papers and Projects: https://alteeve.com -- Linux-cluster mailing list Linux-cluster@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/linux-cluster
