How to Safely Remove a Data Guard Broker Configuration [ID 261336.1]
| How to Safely Remove a Data Guard Broker Configuration [ID 261336.1] |
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Modified 20-OCT-2010Type REFERENCEStatus PUBLISHED |
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PURPOSE
-------
How to safely remove a Data Guard Broker configuration.
SCOPE & APPLICATION
-------------------
This applies to all DBAs who wish to remove and deactive a
Data Guard Broker configuration.
Removing the Configuration
----------------------------
1) Remove the Data Guard Broker Configuration
a) Using the Commandline DGMGRL:
- Connect to the Primary Database
DGMGRL> connect sys/<Password>@<Primary Database>
- 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/[email protected]
dg_broker_config_file2 string ?/dbs/[email protected]
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/[email protected]
dg_broker_config_file2 string ?/dbs/[email protected]
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
---------
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/[email protected]
dg_broker_config_file2 string ?/dbs/[email protected]
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
--------------------
Oracle® Data Guard Broker Guide
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