Read about Nodes groups if you are unfamiliar with them.
Your WebSphere Application Server environment has a default node group. However, if you need additional node groups to manage your Application Server environment, you can create and configure additional node groups.
(dependent on configuration)
View and configure node groups.
Click System Administration > Node groups in the console navigation tree.
To view additional information about a particular node group or to further configure a node group, click on the node group name under Name .
Create a node group.
Click System Administration > Node groups in the console navigation tree.
Click New .
Specify the node group name and description.
The node group is added to the WebSphere Application Server environment
. The name of the node group appears in the name column of the Node group page.