How to Safely Remove a Data Guard Broker Configuration

How to Safely Remove a Data Guard Broker Configuration
	Doc ID:	261336.1	Type:	REFERENCE
	Modified Date:	20-MAY-2009	Status:	PUBLISHED

PURPOSE

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How to safely remove a Data Guard Broker configuration.

SCOPE & APPLICATION

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This applies to all DBAs who wish to remove and deactive a

Data Guard Broker configuration.

Removing the Configuration

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1) Remove the Data Guard Broker Configuration

  a) Using the Commandline DGMGRL:

    

     - Connect to the Primary Database

       DGMGRL> connect sys/@

     - Remove the Data Guard Broker Configuration

       DGMGRL> remove configuration;

  b) Using Data Guard Manager or Grid Control:

    

     Follow the Wizard as mentioned in the Chapter

     'Scenarios Using Oracle Enterprise Manager'

     of the Data Guard Broker Guide of each Database Version.

2) On the primary database set dg_broker_start=false:

SQL> show parameter dg_broker

NAME                                 TYPE        VALUE

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

dg_broker_config_file1               string      ?/dbs/dr1@.dat

dg_broker_config_file2               string      ?/dbs/dr2@.dat

dg_broker_start                      boolean     TRUE

SQL>

SQL> alter system set dg_broker_start=false scope=both;

System altered.

SQL>  show parameter dg_broker

NAME                                 TYPE        VALUE

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

dg_broker_config_file1               string      ?/dbs/dr1@.dat

dg_broker_config_file2               string      ?/dbs/dr2@.dat

dg_broker_start                      boolean     FALSE

SQL>

3) On the primary disable any archive destinations that are archiving to the standby:

SQL> select dest_id,destination,status

  2  from v$archive_dest

  3  where target='STANDBY';

   DEST_ID

----------

DESTINATION

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

STATUS

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         2

(DESCRIPTION=(ADDRESS_LIST = (ADDRESS=(PROTOCOL=tcp)(HOST=hasunclu2.us.oracle.co

m)(PORT=1521)))(CONNECT_DATA=(SID=DG920phy)(ORACLE_HOME=/u03/oracle/9.2.0)(SERVE

R=DEDICATED)))

VALID

SQL> alter system set log_archive_dest_state_2=defer scope=both;

System altered.

SQL>

4) on the standby set the dg_broker_start parameter to false:

SQL> show parameter dg_broker

NAME                                 TYPE        VALUE

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

dg_broker_config_file1               string      ?/dbs/dr1@.dat

dg_broker_config_file2               string      ?/dbs/dr2@.dat

dg_broker_start                      boolean     TRUE

SQL> alter system set dg_broker_start=false scope=both;

System altered.

SQL>

5) On both system rename the metadata files (if they exist):

oracle@hasunclu1:/u03/oracle/9.2.0/dbs> mv dr1DG920.dat dr1DG920.back

oracle@hasunclu1:/u03/oracle/9.2.0/dbs> mv dr2DG920.dat dr2DG920.back

RELATED DOCUMENTS

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Oracle® Data Guard Broker Guide