Hi Laszlo, Thanks for detailed information however I tried below but without success.
Thanks, Parvez On Wed, Mar 28, 2012 at 1:16 PM, Budai Laszlo <laszlo.bu...@gmail.com>wrote: > Hi, > > if you RAELLY need two clusters with the same name on the same subnet, > then try to adjust the following parameters and use unique values for > each cluster: > > /Multicast network configuration/ > cman uses multicast UDP packets to communicate with other nodes in > the cluster. By default it will generate a multicast address using > 239.192.x.x where x.x is the 16bit cluster ID number split into > bytes. This, in turn is generated from a hash of the cluster name > though it can be specified explicitly. The purpose of this is to > allow multiple clusters to share the same subnet - they will each > use a different multicast address. You might also/instead want to > isolate clusters using the port number as shown above. > > It is possible to override the multicast address by specifying it in > cluster.conf as shown: > > <cman> <multicast addr="229.192.0.1"/> </cman> > > /Cluster ID/ > The cluster ID number is used to isolate clusters in the same > subnet. Usually it is generated from a hash of the cluster name, but > it can be overridden here if you feel the need. Sometimes cluster > names can hash to the same ID. > > <cman cluster_id="669"> </cman> > > Kind regards, > Laszlo > > On 03/28/2012 09:14 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. > > > > Thanks > > > > > > > > > > > > -- > > Linux-cluster mailing list > > Linux-cluster@redhat.com > > https://www.redhat.com/mailman/listinfo/linux-cluster > > -- > Linux-cluster mailing list > Linux-cluster@redhat.com > https://www.redhat.com/mailman/listinfo/linux-cluster >
-- Linux-cluster mailing list Linux-cluster@redhat.com https://www.redhat.com/mailman/listinfo/linux-cluster
