Solve Problem Broken Pipe on Websphere 6.1

When I use datasource on Websphere, It will broken pipe. It will happen because database is back firewall or router (Set drop connection when connection is ideal.).
I solve by I test connection (every 10 second.) --> It work but system will performance drop.

In Websphere 6.x, Solve following
1. In Admin Console, Going to Resource --> Datasource --> Name of Datasource
2. Click WebSphere Application Server data source properties
3. Select Pretest connection properties (For Config Test Connection)