Oracle DG 之-- Remove DG Broker

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=bjsrv)(PORT=1521)))(CONNECT_DATA=(SID=TestDB12)(ORACLE_HOME=/u01/app/oracle/11.2.0/dbhome_1)(SERVER=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@bjsrv:/u03/oracle/9.2.0/dbs> mv dr1DG920.dat dr1bjdb.bak
  oracle@bjsrv:/u03/oracle/9.2.0/dbs> mv dr2DG920.dat dr2bjdb.back
  RELATED DOCUMENTS

  Oracle Data Guard Broker Guide

轉自：http://blog.51cto.com/tiany/1405143