Hi All, Quick question about “mmdiag —iohist” that is not documented in the man page … what does it mean if the client IP address field is blank? That the NSD server itself issued the I/O? Or ???
This only happens occasionally … and the way I discovered it was that our Python script that takes “mmdiag —iohist” output, looks up the client IP for any waits above the threshold, converts that to a hostname, and queries SLURM for whose jobs are on that client started occasionally throwing an exception … and when I started looking at the “mmdiag —iohist” output itself I do see times when there is no client IP address listed for a I/O wait. Thanks… Kevin — Kevin Buterbaugh - Senior System Administrator Vanderbilt University - Advanced Computing Center for Research and Education [email protected]<mailto:[email protected]> - (615)875-9633
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