Node group collection

Manage node groups. A node group is a collection of WebSphere Application Server nodes. A node group defines a boundary for server cluster formation.

Nodes that are organized into a node group should be enough alike in terms of installed software, available resources, and configuration to enable servers on those nodes to host the same applications as part of a server cluster. The deployment manager does no validation to guarantee that nodes in a given node group have anything in common.

Node groups are optional and are established at the discretion of the WebSphere administrator. However, a node must be a member of a node group. Initially, all Application Server nodes are members of the default node group. The default node group is DefaultNodeGroup.

A node can be a member of more than one node group.

(ZOS) An Application Server node must be a member of a sysplex node group. Nodes in the same sysplex must be in the same sysplex node group. A node can only be in one sysplex node group. Sysplex node groups are special node groups the system manages.

Nodes on distributed platforms and the IBM i platform cannot be members of a node group containing a node on a z/OS platform. However, nodes on distributed platforms and nodes on the IBM i platform can be members of the same node group.

To delete a node group, the node group must be empty. The default node group cannot be deleted.

From the admin console, click...

        System administration > Node groups.

Name

Name for a node group that is unique within the cell.

Members

Number of members or nodes in the node group.

Description

Description defined for the node group.

View, configure, create, and delete node groups

Node group member collection

Node group settings

Node group member settings