Hello all,
 
 
Is it normal  a machine in a cluster is assigned different rank number in different runs.
In my case, there are three machines (hpc01, hpc02, hpc03) in the cluster. the content of the file mpd.hosts is as follows

hpc01
hpc02
hpc03

I found that in some runs, hpc01 has rank number '0' hpc02 has rank number '1' hpc03 has rank number '2';
the order of rank numbers just follows the order of machine names listed in the file.
However, in some other runs, hpc01 has rank number '0', hpc02 has rank  number '2' , hpc03 has rank number '1'.
the order does not follow the file name order.
Is this nornal or not.
 
 
cy163

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