Wednesday, August 3, 2011

Multicast Routing issues in Ganglia

Sometimes the Gmond process does not start and spews the following error.
gmond -d 10
udp_recv_channel mcast_join= mcast_if=NULL port=8664 bind=
Error creating multicast server mcast_join= port=8664 mcast_if=NULL family='inet4'. Exiting.

This happens due to some multicast routing issues. I am not sure exactly what is causing this problem. The fix is to explicitly add a route.


route add -host dev eth0


Need to learn what is causing this problem though..


  1. This can also happen when there is public ip information in /etc/hosts

  2. You realize that you won't have any desire to contemplate on your birthday or Christmas day or. Simply be practical.