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

Last updated on NOVEMBER 10, 2023

Applies to:

Linux OS - Version 1.2.0-1 and later
Oracle Cloud Infrastructure - Version N/A and later
Oracle Database - Enterprise Edition - Version 11.2.0.4 to 11.2.0.4 [Release 11.2]
Linux Itanium
Linux x86-64
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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