Time for action – initial setup of Data Guard broker

We will now see the initial setup of the Data Guard broker in an existing Data Guard configuration.

1. Ensure that both the primary and standby databases are up and running as shown in the following query:

   SQL> select db_unique_name,open_mode,database_role from v$database;
   DB_UNIQUE_NA OPEN_MODE            DATABASE_ROLE
   ------------ -------------------- ----------------
   turkey_un    READ WRITE           PRIMARY
   
   SQL>  select db_unique_name,open_mode,database_role from v$database;
   DB_UNIQUE_NA OPEN_MODE            DATABASE_ROLE
   ------------ -------------------- ----------------
   india_un     READ ONLY WITH APPLY PHYSICAL STANDBY

2. Ensure that both the primary and standby databases are using server parameter files, so that the broker can form a healthy relationship between the broker properties and parameter values as follows:

   SQL> show parameter spfile
   NAME        TYPE        VALUE
   ----------- ----------- ------------------------------
   spfile...