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Another option is introduced, which is a special <stage directory root> value of "defaultPBS_USER_HOME" to refer to the default location set up by PBS, which is the user's home directory. So given:
$jobdir_root default PBS_USER_HOME shared
this means the sister mom would not cleanup the job files under the default user's user's home directory, which is shared, when a request to delete the job on the node managed by that sister mom is received. Only the primary mom would take care of cleaning up the files. Specifying the following would be a no op, since the default jobdir_root is also the user's home directory.
$jobdir_root defaultPBS_USER_HOME
Examples
Set $jobdir_root to a shared location:
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