Environment: Red Hat Enterprise Linux 6.0
I am trying to get the mdce service on worker nodes to communicate with the mdce service on the head node. When running the admincenter on ANY node, I can connect to everyone, but can only see the number of cores on the node which I am currently on. Further, the MDCE Status reads "running" on the current node and "unavailable" on all other nodes. When I attempt to start the MDCE Service I receive
"Error on machine cerebro:
The MATLAB Distributed Computing Server is already running.
Use nodestatus to obtain more information."
Because, obviously, the service is running from a previous attempt. Stopping and restarting the services does not help.
When I run
nodestatus -remotehost <currentnode>
everything looks fine. When I run
nodestatus -remotehost <anyothernode>
I receive a series of java exceptions that ends with
"java.net.NoRouteToHostException: No route to host"
The lack of connectivity with nodestatus and the GUI occurs whether I use the computer aliases or the local IP addresses or the remote IP addresses.
I have confirmed that all nodes can communicate with each other using ping and traceroute. In addition, I have confirmed that ports 27350 through 27355 are open on all nodes.
All services are being run as root.