pbsdsh and enviornment variable PBS_VNODENUM
The documentation I have been able to find on the usage of pbsdsh says that each instance of an executable spawned by pbsdsh will be given a unique environment variable PBS_VNODENUM, and that each instance can get its "identity" from that variable. I have tested pbsdsh on two different systems, and it looks like PBS_VNODENUM is not defined at all. Am I dealing with outdated information or what? Is anything available to replace PBS_VNODENUM?
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PBS_VNODENUM is not a PBS Environment variable.
However thre is PBS_NODENUM - Index into $PBS_NODEFILE , Starts at Zero.
if they have the below value , then it is mother superior node
PBS_TASKNUM: The task (process) number for the job on this vnode