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After you have created or restored your database configure a data source in WebSphere so that your Web applications can access the database. There are two reasons for the way we configure the data source:
Although the database appears local to one WebSphere node, it is a remote database for the rest. Plus, during a failure, the database could switch to a different machine. So, we are going to handle that event in the pool by configuring all connections on all machines as remote database connections, even if the database is on the local system. Then, we configure and direct the connections to the IP takeover address so that when a switch happens, the pool rebuilds the connections to the new database host, which assumes ownership of the IP takeover address.
