Hi Peter, peter_webb at agilent.com wrote: > > * If group A (or B) is the only one using it, they get all 10 > machines. > * If group A and group B are both using it, they effectively get 5 > machines each. What you are asking for is catered for with the share tree facility, I won't repeat the documentation here, I'm sure you can read for yourself :) If you ae still having problems ask on the sge mailing list, that's the best place for sge related questions. HTH Cheers f.