Changing to Oracle RAC

By default, WSO2 products use the embedded H2 database as the database for storing user management and registry data. Given below are the steps you need to follow in order to use an Oracle RAC database for this purpose.

1 Setting up datasource configurations
- 1.1 Changing the default WSO2_CARBON_DB datasource
- 1.2 Configuring new datasources to manage registry or user management data
2 Creating the database tables
3 Note to writers: Add this content at the end of the page if any of the additional databases is relevant to your product.
4 Changing the identity/storage/product-specific databases

Before you begin

You need to set up Oracle RAC before following the steps to configure your product with Oracle RAC. For more information, see Setting up Oracle RAC.

Setting up datasource configurations

A datasource is used to establish the connection to a database. By default, WSO2_CARBON_DB datasource is used to connect to the default H2 database, which stores registry and user management data. After setting up the Oracle RAC database to replace the default H2 database, either change the default configurations of the WSO2_CARBON_DB datasource, or configure a new datasource to point it to the new database as explained below.

Changing the default WSO2_CARBON_DB datasource

Follow the steps below to change the type of the default WSO2_CARBON_DB datasource.

Edit the default datasource configuration in the <PRODUCT_HOME>/repository/conf/datasources/m aster-datasources.xml file as shown below.
<datasource> <name>WSO2_CARBON_DB</name> <description>The datasource used for registry and user manager</description> <jndiConfig> <name>jdbc/WSO2CarbonDB</name> </jndiConfig> <definition type="RDBMS"> <configuration> <url>jdbc:oracle:thin:@(DESCRIPTION=(LOAD_BALANCE=on) (ADDRESS=(PROTOCOL=TCP)(HOST=racnode1) (PORT=1521)) (ADDRESS=(PROTOCOL=TCP)(HOST=racnode2) (PORT=1521)) (CONNECT_DATA=(SERVICE_NAME=rac)))</url> <username>regadmin</username> <password>regadmin</password> <driverClassName>oracle.jdbc.driver.OracleDriver</driverClassName> <maxActive>80</maxActive> <maxWait>60000</maxWait> <minIdle>5</minIdle> <testOnBorrow>true</testOnBorrow> <validationQuery>SELECT 1 FROM DUAL</validationQuery> <validationInterval>30000</validationInterval> <defaultAutoCommit>false</defaultAutoCommit> </configuration> </definition> </datasource>
The elements in the above configuration are described below:

Configuring new datasources to manage registry or user management data

Follow the steps below to configure new datasources to point to the new databases you create to manage registry and/or user management data separately.

Add a new datasource with similar configurations as the WSO2_CARBON_DB datasource above to the <PRODUCT_HOME>/repository/conf/datasources/ master-datasources.xml file. Change its elements with your custom values. For instructions, see Setting up datasource configurations.
If you are setting up a separate database to store registry-related data, update the following configurations in the <PRODUCT_HOME>/repository/conf/ registry.xml file.
<dbConfig name="wso2registry"> <dataSource>jdbc/MY_DATASOURCE_NAME</dataSource> </dbConfig>
If you are setting up a separate database to store user management data, update the following configurations in the <PRODUCT_HOME>/repository/conf/ user-mgt.xml file.
<Configuration> <Property name="dataSource">jdbc/MY_DATASOURCE_NAME</Property> </Configuration>

Creating the database tables

To create the database tables, connect to the database that you created earlier and run the following scripts in SQL*Plus:

To create tables in the registry and user manager database (WSO2CARBON_DB), use the below script:
SQL> @$<PRODUCT_HOME>/dbscripts/oracle.sql
Restart the server.