2757187 - Failover failed becuase mount failed

Failover from node A  to node B is not working with following error messages.

From nameserver trace file,

[62444]{-1}[-1/-1] 2019-02-02 11:54:14.896238 i failover TREXNameServer.cpp(06581) : failover from host node A to current host started

...

[61911]{-1}[-1/-1] 2019-02-02 11:54:52.207501 f ha_fcClientLVM fcClientLVM.py(00400) : mount failed after multiple retries
[61911]{-1}[-1/-1] 2019-02-02 11:54:52.207668 e ha_provider PythonProxyImpl.cpp(00524) : hdb_ha.fcClientLVM/fcClientLVM:attach() failed with python error: mount failed after multiple retries
fcClientLVM.py(401): raise Exception("mount failed after multiple retries")
[62444]{-1}[-1/-1] 2019-02-02 11:54:52.210760 f NameServer TREXNameServer.cpp(04069) : unable to connect storage devices -> stopping instance ...
[62444]{-1}[-1/-1] 2019-02-02 11:54:52.212105 f NameServer TREXNameServer.cpp(04083) : stopping topology thread
[62444]{-1}[-1/-1] 2019-02-02 11:54:52.212118 f NameServer TREXNameServer.cpp(04085) : got shutdown scope
[62444]{-1}[-1/-1] 2019-02-02 11:54:52.212121 f NameServer TREXNameServer.cpp(04089) : stopped topology thread
[62444]{-1}[-1/-1] 2019-02-02 11:54:52.212128 e Basis TREXNameServer.cpp(04099) : Process exited due to an error via explicit exit call with exit code 1 , no crash dump will be written

• HANA 1.0
• HANA 2.0

"failover", "failed failover", "mount","hardware","mount failed" , KBA , HAN-DB-HA , SAP HANA High Availability (System Replication, DR, etc.) , Problem