Alain Richard napisał(a): > Hi, > > I am currently using a pretty common setup, using a two or more nodes > cluster, one or more iSCSI SANs, at least 3 gigabyte interfaces on each > nodes (one for cluter member cman communication, and 2 for iSCSI > communication) : > > > switch 1 > | | > node 1 node 2 > | | | | > | Switch 2 | > | | | > | SAN | > | | | > ———Switch 3----| > > On each switches, I use a separate network : > > 10.10.10.0/24 for switch 1, cman communication and for communicating > with the rest of the world, > 10.10.20.0/24 for switch 2 and first port of the SAN and nodes, > 10.10.30.0/24 for switch 3 and second port of the SAN and nodes. > > My SAN luns are multipathed on the nodes. > > This setup works very well for me and I achieve both redundancy and load > balancing for access from nodes to SAN. > > I am using Centos 5 (RHEL 5) on the nodes and cman use the default > configuration of using multicast on the switch 1 network. > > I wonder if it is possible to make cman use the two other interfaces as > well for its communications between cluster nodes ? > > Doing so, I will be able to support the fail of any of the 3 switches > without having the cluster members fenced in any way. Yes, it is possible to do . Here is the answer https://open.datacore.ch/DCwiki.open/Wiki.jsp?page=GFS.usage.txt Best Regards Maciej Bogucki -- Linux-cluster mailing list Linux-cluster@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/linux-cluster
