Sridhar, If you set, for example, a JobType attribute on your jobs, you can use that in the START expression: # In the submit file +JobType = "compile" # On the compile worker nodes START = JobType =?= "compile" Thanks, BC -- Ben Cotton main: 888.292.5320 Cycle Computing Better Answers. Faster. http://www.cyclecomputing.com twitter: @cyclecomputing