Typically, the manager to which an agent reports will be set during the time of agent installation itself. To facilitate manager redundancy, this manager-agent association can be overridden using the eG administrative interface. This page appears when the Assign To Manager sub-menu is selected from the Agents menu. The page allows administrators to assign agents to the managers in a cluster.

Note:

The option to assign agents will be available only if the eG license enables Manager Redundancy. Also, this option will not be available for an Active-Passive cluster.

To assign agents, do the following:

1. In this page, by default, the primary manager will appear as the Manager chosen.
2. Also, by default, all the agents configured in the environment will appear in the AGENTS ASSIGNED TO PRIMARY MANAGER list box. In a redundant manager configuration, the manager IP/hostname and port number specified at the time of installing an agent is ideally the IP address and port number of the primary manager. When a component is added for monitoring via the eG admin console, a mapping is created in the eG manager indicating the preferred manager to which this agent should be reporting during normal operation of the cluster. By default, the preferred manager for all agents is the primary manager. The eG admin interface provides a way for an administrator to override this default setting.
3. The eG Enterprise system does not permit users to directly disassociate agents from the primary manager. If you attempt to do so (by selecting an agent from the AGENTS ASSIGNED TO PRIMARY MANAGER list and clicking the Unmanage >> button), an error message to that effect will appear.
4. Next, proceed to associate agents with each of the secondary managers. To achieve this, first, select a secondary manager from the list box against Manager chosen
5. By default, the AGENTS ASSIGNED TO OTHER MANAGERS list will display all the agents that are currently reporting to the primary manager. To assign agents to the chosen secondary manager, first, select an agent from the AGENTS ASSIGNED TO OTHER MANAGERS list.
6. Next, click on the << Manage button so that the selected agent moves to the AGENTS REPORTING TO SELECTED MANAGER list.
7. This exercise also ensures that the chosen agent(s) is successfully disassociated from the primary manager. To verify this, select the IP of the primary manager from the list box against Manager chosen.
8. Note that the AGENTS ASSIGNED TO PRIMARY MANAGER list will no longer display the agent that was just associated with the secondary manager. Also note that the same agent will appear in the AGENTS ASSIGNED TO OTHER MANAGERS list.