ROCKS Cluster: "Unable to run job: denied: host is no submit host"

cluster, Linux, Opensource, Rocks
I ran into this a couple of weeks ago and it's been driving me bonkers. I finally figured out what's wrong. I was just trying to get my feet wet using the Sun Grid Engine and figured I follow their instruction page and try out the example shell script and submit it using "qsub" command. I was doing this on the frontend machine that's been configured properly as a ROCKS cluster frontend. This was not working and the error I kept getting was "Unable to run job: denied: host "name_of_computer" is no submit host. Exiting."After googling around for a couple of days I found the answer (atleast the answer in my case). Issuing the following command solved my problem:qconf -as frontend-nameApparently the SGE roll does not setup the frontend node…
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Notes on installing Rocks Cluster Software…..

cluster, DCinema, ganglia, Rocks
- Front-end machine is a Dell 2950 with 2 x 1 GigE Broadcom ports onboard and one myricom 10GigE card.- Broadcom port #2 is disabled in BIOS- Broadcom port #1 is enabled and configured for external network (Internet)- Myricom 10 GigE card is hooked into a Foundry 8x10GigE switch that uplinks into our private Class B network. We own a portion of this network aa.bb.cc.130-190. Netmask is 255.255.255.192. The Foundry also downlinks to a Force10 48port Gig switch (with optional 10GigE port). This is where the cluster compute nodes are connected at 1 GigE (soon to be bonded 4GigE).- Rocks install on front-end machine likes to bringup broadcom #1 port (External) as eth0 and myri is not installed by default. So when prompted during install I configure it as per…
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