Ora-16525 DG broker not available

database ：Oracle 11.2.0.4

System ：CentOS 7.9

Problem description ：dgmgrl perform show configuration command , The following appears ora-16525 abnormal , As shown below ：

DGMGRL> show configuration;

Error:

ORA-16525: the Data Guard broker is notyet available

Configuration details cannot be determinedby DGMGRL

Check the alarm log ：

[[email protected] trace]$ catdrcorcl150.log (drcorcl150.log stay $
ORACLE_BASE/rdbms/orcl150/orcl150/trace Under the table of contents )

....

05/27/2022 17:40:54

Data Guard Broker shutting down

RSM0 successfully terminated

05/27/2022 17:40:57

>> Data Guard Broker Has Been ShutDown <<

Fore Deregistering service ORCL150_DGBwith listener(s)

The primary and standby databases here dg_broker_start Are all false

SQL> show parameter dg_broker

NAME TYPE VALUE

----------------------------------------------- ------------------------------

dg_broker_config_file1 string /u01/app/oracle/product/11.2.0

/db_1/dbs/dr1ORCL150.dat

dg_broker_config_file2 string /u01/app/oracle/product/11.2.0

/db_1/dbs/dr2ORCL150.dat

dg_broker_start boolean FALSE

Try to dg_broker_start Set to "true".

SQL> alter system setdg_broker_start=true;

System altered.

DGMGRL> show configuration;

Configuration - dg_conf

Protection Mode: MaxPerformance

Databases:

orcl150 - Primary database

orcl151 - Physical standby database

Fast-Start Failover: DISABLED

Configuration Status:

SUCCESS

Conclusion ： Transfer the primary and standby databases dg_broker_start It is amended as follows true,showconfiguration Normal display .

The following is the log information ：

[[email protected] trace]$ cat drcorcl150.log

......

05/27/2022 17:40:54

Data Guard Broker shutting down

RSM0 successfully terminated

05/27/2022 17:40:57

>> Data Guard Broker Has Been ShutDown <<

Fore Deregistering service ORCL150_DGBwith listener(s)

05/28/2022 13:29:47

Creating Data Guard Broker Monitor Process(DMON)

05/28/2022 13:29:50

>> Starting Data Guard Brokerbootstrap <<

Broker Configuration File Locations:

dg_broker_config_file1 ="/u01/app/oracle/product/11.2.0/db_1/dbs/dr1ORCL150.dat"

dg_broker_config_file2 = "/u01/app/oracle/product/11.2.0/db_1/dbs/dr2ORCL150.dat"

05/28/2022 13:29:54

DMON Registering service ORCL150_DGB withlistener(s)

Broker Configuration: "dg_conf"

Protection Mode: Maximum Performance

Fast-Start Failover (FSFO): Disabled, flags=0x0, version=0

Primary Database: orcl150 (0x01010000)

Standby Database: orcl151, Enabled Physical Standby (0x02010000)

05/28/2022 13:29:58

Site orcl151 returned ORA-16525.

Version Check Results:

Database orcl151 returned ORA-16525

Creating process RSM0