ORA-16541: database is not enabled

Cause

Dataguard Configuration is broken

Solution:

Re-create the broker configuration. If remove configuration is failing from primary try remove configuration from standby and vice verse.

Step1> Remove Configuration;

DGMGRL> remove configuration

Removed configuration

Step2> Create Configuration from current Primary Database

You will encounter ORA-16584 if creating from standby

At standby

DGMGRL> CREATE CONFIGURATION 'APX1P_CONF' AS PRIMARY DATABASE IS 'APX1PP' CONNECT IDENTIFIER IS 'APX1PP.oracle.com';

Error: ORA-16584: operation cannot be performed on a standby database

At Primary

DGMGRL> CREATE CONFIGURATION 'APX1P_CONF' AS PRIMARY DATABASE IS 'APX1PP' CONNECT IDENTIFIER IS 'APX1PP.oracle.com';

Configuration "APX1P_CONF" created with primary database "APX1PP"

Step3> Enable Configuration

DGMGRL> ENABLE CONFIGURATION;

Enabled.

Step4> Add Standby Database to the Configuration

DGMGRL> ADD DATABASE APX1PS AS CONNECT IDENTIFIER IS 'APX1PS.oracle.com' MAINTAINED AS PHYSICAL;

Database "APX1PS" added

Step5> Enable Standby Database

DGMGRL> ENABLE DATABASE APX1PS

Enabled.

Step6> Verify Configuration Status

DGMGRL> show configuration;

Configuration - APX1P_CONF

Protection Mode: MaxAvailability

Databases:

APX1PP - Primary database

APX1PS - Physical standby database (disabled)

Fast-Start Failover: DISABLED

Configuration Status:

SUCCESS

Investigation:

Tried to see the configuration

DGMGRL> show configuration;

ORA-16541: database is not enabled

Configuration details cannot be determined by DGMGRL

Tried to re-enable Configuration

DGMGRL> disable configuration;

Disabled.

DGMGRL> enable configuration;

ORA-16541: database is not enabled

Configuration details cannot be determined by DGMGRL

Tried to Remove the Configuration from Primary

DGMGRL> remove configuration;

Error: ORA-16541: database is not enabled

Failed.

Note: If remove configuration is failing try to remove it from partner database.

Note:- If you are unable to remove configuration or get configuration status from any database its worth to restart the broker process once by just setting dg_broker_start=false and back to true again

SQL> alter system set dg_broker_start=false sid='*';

SQL> alter system set dg_broker_start=true sid='*';

Comments

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