The solution implemented is the following:
When FM is stopped with opensafd stop a message is sent to the other peer, 
GFM_GFM_EVT_PEER_IS_TERMINATING, this to be able to differntiate between a hung 
opensaf node and a "controlled" shutdown of opensaf. 


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** [tickets:#2160] fm: Add support for differentiating a hung node versus a 
stopped node **

**Status:** fixed
**Milestone:** 5.2.FC
**Created:** Wed Nov 02, 2016 11:37 AM UTC by Hans Nordebäck
**Last Updated:** Wed Dec 07, 2016 07:51 AM UTC
**Owner:** Hans Nordebäck


At opensafd stop, OpenSAF don't differentiate between a hung node and a stopped 
node.
This ticket will implement the suggestion by AndersW from ticket [#2094], to:
1). modify the opensafd script to lock the node using CLM. The CLM lock admin 
operation will remove the node from cluster membership.
2).fm_main will then be able to differentiate between a hung node and a stopped 
node by checking the node for CLM cluster membership.


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