Mental ray with Qmaster?

I've set up a small renderfarm with Qmaster and mental ray standalone. I'm having trouble getting it off the ground though. The render commands that qmaster is making are correct and tehy work fine when executed from ssh or terminal on the remote machines, but when ran through qmaster I am unable to get anything to work.
I see an error in the qmaster application that says "unix command error 1:" and then something from mental ray with "file error" in it.
I imagine the unix command error is from mental ray bombing, but mental ray only logs its errors to the stderr. Is there a way I can get Qmaster to redirect this to a file? Does anyone have experience with Qmaster and mental ray?
Thanks in advance,
Dave

Not being able to get to those errors is my biggest gripe with Qmaster. There is a log somewhere in "/var/log/qmaster" or something of the like. That's helped me out of a few jams. Maybe even a few different logs.
I'll grab at some straws and throw out some ideas.
The "unix command error" almost seems like its trying to execute the command but can't find it... or something. I don't know how your setup works, but maybe you need to give the absolute path to the mental ray renderer.
Also, do you have any environment variables that are set in your shell ( .cshrc ) that need to be set more globally? The PATH variable would explain not being able to find the mental ray executable. I think there's probably some variable set for mental ray.
Worth noting that permissions (not being able to write to the destination) might cause that also.
Wouldn't it be nice if Qmaster gave you some kind of better diagnosis? Good luck.
~half.italian

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