Shan-Ho Tsai
University of Georgia, Athens GA
From: John Hearns
Sent: Thursday, February 17, 2022 3:10 AM
To: Open MPI Users
Cc: Shan-ho Tsai
Subject: Re: [OMPI users] Verbose logging options to track IB communication
issues
I would start at a lower level. Clear your error counters then run some
fabric over the network, maybe using an IMB or OSU benchmark.
Then look to see if any ports are very noisy - that usually indicates a
cable needing a reseat or replacement.
Now start at a low level. Run IMB or OSU bandwidth o
