How to generate and correctly interpret Failover Cluster Log
Very often it is required to generate cluster log if the eventlog information’s are not enough to nail down your root cause and for getting a better understanding what is happening under the hood of your failover cluster.
Hereby are some useful articles and techniques for how to generate cluster logs and of course how to correctly read and interpret them:
Anatomy of a Cluster Log Entry
https://technet.microsoft.com/en-us/library/cc962179.aspx
Techniques for Tracking the Source of a Problem
https://technet.microsoft.com/en-us/library/cc962185.aspx
Interpreting the Cluster Log
https://technet.microsoft.com/en-us/library/cc961673.aspx
Cluster Log Basics
https://technet.microsoft.com/en-us/library/cc962184.aspx
Understanding the Cluster Debug Log in 2008
https://blogs.technet.com/b/askcore/archive/2010/04/13/understanding-the-cluster-debug-log-in-2008.aspx
Windows Server 2008 and R2 Cluster Log Appears to Be Missing Gaps of Data
https://blogs.technet.com/b/thbrown/archive/2010/07/31/windows-server-2008-and-r2-cluster-log-and-missing-gaps-of-data.aspx
View Events and Logs for a Failover Cluster
https://technet.microsoft.com/en-us/library/cc772342.aspx
TechNet Webcast: Failover Cluster Validation and Troubleshooting with Windows Server 2008 (Level 300)
https://msevents.microsoft.com/CUI/EventDetail.aspx?culture=en-US&EventID=1032364832&CountryCode=US
Failover Clustering: Pro Troubleshooting in Windows Server 2008 (PPT)
https://media.ch9.ms/teched/na/2011/ppt/WSV309.pptx
https://ecn.channel9.msdn.com/o9/te/NorthAmerica/2010/pptx/WSV314.pptx
How to create the cluster.log in Windows Server 2008 Failover Clustering
https://blogs.msdn.com/b/clustering/archive/2008/09/24/8962934.aspx
DBA 101: Collecting and Interpreting Failover Cluster Logs
https://blogs.msdn.com/b/joesack/archive/2010/02/09/dba-101-collecting-and-interpreting-failover-cluster-logs.aspx
Introduction to Cluster Diagnostics and Verification Tool for Exchange Administrators
https://technet.microsoft.com/en-us/library/aa996161(EXCHG.65).aspx
How to turn on cluster logging in Microsoft Cluster Server (W2K3)
https://support.microsoft.com/kb/168801
The meaning of state codes in the Cluster log
https://support.microsoft.com/kb/286052
Failover Cluster Troubleshooting
https://msdn.microsoft.com/en-us/library/ms189117.aspx
Troubleshooting Cluster Logs 101 – Why did the resources failover to the other node?
https://blogs.technet.com/b/askcore/archive/2008/02/06/troubleshooting-cluster-logs-101-why-did-the-resources-failover-to-the-other-node.aspx
Hope this helps to understand more what is going on under the hood of your failover cluster, especially in root cause analyses (RCA), test and/or proof-of-concept scenarios it is really helpful to be able to read and interpret the cluster logs.
Stay tuned 
Best Regards
Ramazan