[lustre-discuss] Lustre log messages and log files

Thomas Roth t.roth at gsi.de
Mon Aug 13 05:00:39 PDT 2018

Hi all,

we have this rather rare phenomenon of too few Lustre log entries - it would seem.
This is a cluster running Lustre 2.10.4 on CentOS 7.4
I do not think I have done anything to deviate from the defaults - neither with Lustre nor

# dmesg | grep LustreError | wc -l

# grep -r LustreError * | wc -l

Before I saw the LustreErrors on the console, I just assumed that newer Lustre versions are not that
chatty and this shiny new cluster just didn't show many errors.

"Lustre:" messages make it to /var/log/messages, as in "kernel: Lustre: haven't heard from client...",
obviously I have not cut off Lustre completely.

What did I do wrong?

Many regards,

Thomas Roth
Department: Informationstechnologie
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