Setting up a grid using SGE(sun Grid engine)

Hi everyone,
We are trying to set up a grid in our university.We are taking the help of SGE(sun grid engine).We have successfully installed the master host. But we are encountering a problem when trying to install
the execution host.
When we type #qconf -sh
the following output is occuring
error: commlib error: can't connect to service (No route to host)
ERROR: unable to contact qmaster using port 6444 on host
"sun.localdomain"
We have added the execution host's name to the submit list on the master host.We've also started the sge_master daemon process on the master host. .
Both the systems are pinging correctly.
We have assigned sge_qmaster the port number 6444 in /etc/services
file on both the systems(master and execution host). The name of
the master being sun.localdomain and the name of the execution host is
sunq.localdomain.
Please provide a solution to this problem,so that i can complete the installation of execution host.

ok, i have benn faced this kind problem.
i show you some info, maybe can help you out.
firstly, you need to change some setup files else. like hosts; hosts.equiv; profile; rhosts; and services.
after then, you need to add execute host name to the administrative host list. "./qconf -ah".
and then restart you server head and nodes ( for make sure something effect).
the userful information, you can found in http://www.sun.com/software/gridware/

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Setting up a grid using SGE(sun Grid engine)

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