Client Connection To Global Service Fail With ORA-12541: TNS:no listener
(Doc ID 2317825.1)
Last updated on JUNE 17, 2021
Applies to:Oracle Database - Enterprise Edition - Version 220.127.116.11 and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Gen 1 Exadata Cloud at Customer (Oracle Exadata Database Cloud Machine) - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Information in this document applies to any platform.
For the purposes of this document, the following fictitious environment is used as an example to describe the procedure:
Database Name: Standby
Global Service Manager: gsm3
directory= (/u01/app/oracle) and all subdirectories
SQL Net Service: TEST
Service Name: standby.gdspool.oradbcloud
[Order of process]
1) Implemented data guard
2) Configured gsm environment - configured a region which is named "region1" and opening it normally.
3) Configuring a new buddy region in addition
4) Configuring an additional gsm server which belong to buddy region
5) Client fails to connect to database via buddy region like below.
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