I found some discussion on this at
https://www.ibm.com/developerworks/community/forums/html/threadTopic?id=----14471957=25
and there it's claimed that none of the callback events are early enough to
resolve this. That we need a pre-preStartup trigger. Any idea if this has
You could also use the GPFS prestartup callback (mmaddcallback) to execute
a script synchronously that waits for the IB ports to become available
before returning and allowing GPFS to continue. Not systemd integrated
but it should work.
Fred
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