By default, a cell contains a single core group. In this situation, during node federation, a node agent is created and automatically added to this core group. However, if the cell contains multiple core groups, you must specify the core group to which the node agent is assigned.
Before you begin
If the cell to which you are adding a node agent contains multiple core groups, determine the core group to which you want this node agent to belong.Why and when to perform this task
You have a cell that contains multiple core groups and you want to select the core group to which a newly created node agent is added.To add a newly created node agent to a specific core group:
Step for this task
addNode dmgr_host dmgr_port -coregroupname existing_core_group_name
Result
The node agent resides in the specified core group.Related tasks
Setting up a high availability environment