The files are placed under grid_home/network/admin only. I should have mentioned clearly.
Yes the LISTENERS_***TEST entry is already available on tnsnames.ora file under /grid_home/network/admin.
New listener.ora file created under grid_home/network/admin has the below information,
LISTENER=(DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(PROTOCOL=IPC)(KEY=LISTENER)))) # line added by Agent ENABLE_GLOBAL_DYNAMIC_ENDPOINT_LISTENER=ON # line added by Agent
I am able to start the database from 10g home after export TNS_ADMIN=gird_home/network/admin from the session where i am trying to start the db.
But the dbua db upgrade failed.. this time i set the TNS_ADMIN=/grid_home/network/admin, ORACLE_HOME=11g home, from the session where i am starting dbua,
CRS-5017: The resource action "ora.ihctest.db start" encountered the following error:
ORA-00119: invalid specification for system parameter LOCAL_LISTENER
ORA-00132: syntax error or unresolved network name 'LISTENER_IHCTEST1'
I could able to start the db with sqlplus and verified all the components are upgraded. but starting with srvctl failing with the above error.