Testing is highly advised anytime you are updating your version of the scheduler, trying a new configuration, or adding new resources.  Moab gives you several options for safely testing out your new environment.  If you are running Moab for the first time,

    It is difficult to advise on all of the possible ways of testing.  However, below are a few general tips.

-    Multiple instantiations of Moab can run simultaneously, even on the same host.  This can be very helpful when testing new versions of code.  The current 'production' version of Moab can continue to run the actual job scheduling, while you are simultaneously evaluating the new code.

To do so, you must simply avoid conflicts.  This includes user interface port, logfiles, checkpoint files, and stats files.  Many sites handle this issue by creating a number of directories parallel to the main 'moab' directory.  Of particular use is a 'test' directory and a 'simulation' directory.
-    when initially installing moab, create a moabtest and moabsim directory parallel to

MOABHOMEDIR

SERVERMODE

    NORMAL

    SIMULATION

    TEST