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It's a good test but don't forget the as sysdba. Otherwise when you connect to a Standby from a Primary :
sqlplus sys/<password>@standby1 ERROR: ORA-01033: ORACLE initialization or shutdown in progress Process ID: 0 Session ID: 0 Serial number: 0
But I really like this test because you test Listener and Tnsnames with one test.
sqlplus sys/<password>@standby1 as sysdba SQL*Plus: Release 184.108.40.206.0 Production on Wed Apr 10 13:26:33 2013 Copyright (c) 1982, 2011, Oracle. All rights reserved. Connected to: Oracle Database 11g Enterprise Edition Release 220.127.116.11.0 - 64bit Production With the Partitioning, OLAP, Data Mining and Real Application Testing options
I did this testing before,see the below output :-
[oracle@primary ~]$ sqlplus sys/oracle@standby1 as sysdba
SQL*Plus: Release 18.104.22.168.0 Production on Thu Apr 11 08:07:06 2013
Copyright (c) 1982, 2010, Oracle. All rights reserved.
Oracle Database 11g Enterprise Edition Release 22.214.171.124.0 - Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
I checked lot of other things, dgbroker log shows the below lines :-
2013-04-11 08:09:03.793 00000000 1207911714 for opcode = HEALTH_CHECK, phase = BEGIN, req_id = 1.1.1207911714
2013-04-11 08:09:48.669 00001000 1207911715 DMON: Entered rfm_get_chief_lock() for MON_VERIFY, reason 0
2013-04-11 08:09:48.670 00001000 1207911715 DMON: start task execution: client healthcheck
2013-04-11 08:09:48.670 INSV: Received message for inter-instance publication
2013-04-11 08:09:48.670 req ID 1.1.1207911715, opcode MON_VERIFY, phase BEGIN, flags 5
2013-04-11 08:09:48.888 INSV: Reply received for message with
2013-04-11 08:09:48.889 req ID 1.1.1207911715, opcode MON_VERIFY, phase BEGIN
2013-04-11 08:10:04.044 NSV1: Site standby1 returned ORA-16664.
2013-04-11 08:10:04.045 00000000 1207911715 DMON: Database standby1 returned ORA-16664
2013-04-11 08:10:04.045 00000000 1207911715 for opcode = MON_VERIFY, phase = BEGIN, req_id = 1.1.1207911715
2013-04-11 08:10:04.045 00000000 1207911715 DMON: Entered rfm_release_chief_lock() for MON_VERIFY
Any other further troubleshooting tips will be great.
Thanks in advance.
Well at least that rules that out. There's a couple of Oracle notes on this :
ORA-16664 ORA-16792 Data guard Broker [ID 1228797.1]
Dataguard Broker switchover fails with an ORA-16664 and the standby DRC log shows an ORA-604. [ID 1530881.1]
Information Center: Troubleshoot Oracle Data Guard Physical Standby Database [ID 1396731.2]