In the Administration Console, you can manually suspend individual instances of a data source. When you suspend a data source, applications can no longer get a database connection from the data source. For connections that are already reserved by an application, behavior depends on the type of suspension that you select:
Most connections in a suspended data source remain intact. The connections are not recreated when you resume the data source, except for the connections in use when the data source is Force Suspended.
To suspend a JDBC data source:
Date source instances are listed by the server on which they are deployed.
Results are displayed at the top of the page, and the state of the selected data source instances is changed to Suspended.