
sqlplus:
alter system  set dg_broker_start=true;

dgmgrl:
connect sys/oracle_4U@c01orcl
CREATE CONFIGURATION dg_config AS 
PRIMARY DATABASE IS 'c01orcl'
CONNECT IDENTIFIER IS c01orcl ;

ADD DATABASE 'c02orcl'
AS CONNECT IDENTIFIER IS c02orcl
MAINTAINED AS PHYSICAL ;


edit database c01orcl set property PreferredApplyInstance='c01orcl1';

edit database c02orcl set property PreferredApplyInstance='c02orcl1';

edit database c01orcl set property LogXptMode='SYNC';

edit database c02orcl set property LogXptMode='SYNC';


ENABLE CONFIGURATION;
