Hi, I am using corosync-1.2 and pacemaker 1.10 During corosync start operation in many scenario I am getting core dumps. scenarion 1. Configure one link .Installation is successful and corosync started successfualy. After that Make down interface using "ifconfig eth0 down " core dump is happening. 2. Configure 2 linkks in corosync.conf . Before starting cluster make the second interface down on all node . Then start corosync. Core dump is observed. In corosync.conf I am not having node id. If nodeid is present in corosync.cong then for one link core dump is not happening. Please can you help me to solve out the issue. Other issue I am facing for udpu unicast configuration. I am configured corosync.conf for udpu unicast configuration. but during corosync start I am getting this error "parse error in config Multicast address family does not match with bindnet address family" "Corosync cluster engine exiting with status -9 at main.c:1423" any help will be appricicted . Corosync.conf configuration totem { version: 2 secauth: off interface { member { memberaddr: 10.16.35.101 } member { memberaddr: 10.16.35.102 } ringnumber: 0 bindnetaddr: 10.16.35.0 mcastport: 694 } transport: udpu } logging { fileline: off to_logfile: yes to_syslog: yes debug: on logfile: /var/log/cluster/corosync.log debug: off timestamp: on logger_subsys { subsys: AMF debug: off } } _______________________________________________ discuss mailing list discuss@xxxxxxxxxxxx http://lists.corosync.org/mailman/listinfo/discuss