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[Linux-cluster] qstat -f and exec_host output



Hey all, I hope someone can help me understand exec_host part of the qstat -f output.

Got a 15 node cluster with 4 CPUs per node, nodes are called n01, n02... n15.  Submitted a job with,

#PBS -l nodes=3:ppn=4

Job is running fine, but I don't understand the numbers for exec_host in qstat -f output.  Okay, I do understand that the nodes displayed are n01 through n03.  What do the other numbers mean?  For instance, n03/3+n03/2.  What does that mean?

exec_host = n03/3+n03/2+n03/1+n03/0+n02/3+n02/2+n02/1+n02/0+n01/3+n01/2+n01/1+n01/0


TIA,

dave

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