On Wed, Jan 25, 2012 at 01:09:43AM +0100, Arnold Krille wrote: > On Tuesday 24 January 2012 23:55:57 Dejan Muhamedagic wrote: > > On Tue, Jan 24, 2012 at 09:51:49PM +0100, Arnold Krille wrote: > > > Using the same subnet for two communication-rings will disturb corosync > > > as it uses multicasts for communication. And that is best done with one > > > multicast- channel per subnet. > > Newer corosync (at least since 1.4.x, perhaps earlier) can do > > udpu instead of multicast. I'd suggest to use that. Ask on the > > corosync-discuss list about how to tune for your network. > > Last time I checked, using multicasts implied using udp. There is no 1-to-1 > endpoint-connection in multicast as you would need for tcp. > > Maybe you meant the use of broadcasts? That is in fact a thing of the past. > a) > it pollutes your whole network when you use your "public" network as one of > the communication-rings. b) its not available as soon as you use ipv6.
udpu is unicast UDP, i.e. all nodes need to be listed in corosync.conf (see corosync.conf(5)). Thanks, Dejan > Have fun, > > Arnold > _______________________________________________ > Pacemaker mailing list: Pacemaker@oss.clusterlabs.org > http://oss.clusterlabs.org/mailman/listinfo/pacemaker > > Project Home: http://www.clusterlabs.org > Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf > Bugs: http://bugs.clusterlabs.org _______________________________________________ Pacemaker mailing list: Pacemaker@oss.clusterlabs.org http://oss.clusterlabs.org/mailman/listinfo/pacemaker Project Home: http://www.clusterlabs.org Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf Bugs: http://bugs.clusterlabs.org
