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How to Use "tcpdump" to Log OCFS2 Interconnect (o2net) Messages (Doc ID 789010.1)

Last updated on AUGUST 04, 2018

Applies to:

Linux OS - Version 1.2.0-1 and later
Linux x86-64
Linux Itanium
Linux x86
Linux ItaniumLinux x86-64

Goal

If from the /var/log/messages you are receiving network / o2net related errors and some OCFS2 / system functionality is not available or not working properly, generating a 'tcpdump' over the network interconnect may help to diagnose the problem for root cause analysis (RCA). 

Solution

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