Creating a Source Bundle to Simplify Index Testing
Simply associating a test with a Watson™ Explorer Engine source does not automatically execute that test or re-execute it at regular intervals. In order to actually perform the heartbeat tests created in Creating Sources for Distributed Index Testing and use the results of those tests to determine which servers are available, you must create a source bundle containing all of those sources and schedule source tests for that bundle to be executed regularly.
Proceed to Creating the Source Bundle for Your Tests for information on creating a source bundle that provides a unified way to test all of the sources associated with the distributed index that you are creating.