Sun Java System Application Server Enterprise Edition 8.1 2005Q2 High Availability Administration Guide

- Previous: Tasks Available through the Admin Console and asadmin Tool
- Next: To Create a Node Agent Placeholder

## To View General Node Agent Information

1. In the tree component, select the Node Agents node.

2. Click the name of a node agent.

   If a node agent already exists but does not appear here, start the node agent on the node agent’s host machine using `asadmin start-node-agent`. See Starting a Node Agent

3. Check the node agent’s host name.

   If the host name is Unknown Host, then the node agent has not made initial contact with the Domain Administration Server (DAS).

4. Check the node agent status.

   The status can be:

   - Running: The node agent has been properly created and is currently running.

   - Not Running: Either the node agent has been created on the local machine, but never started or the node agent was started but has been stopped.

   - Waiting for Rendezvous: The node agent is a placeholder that has never been created on the local machine.

   See Creating a Node Agent and Starting a Node Agent

5. Choose whether to start instances on start up.

   Select Yes to start server instances associated with the node agent automatically when the node agent is started. Select No to start the instances manually.

6. Determine whether the node agent has made contact with the Domain Administration Server.

   If the node agent has never made contact with the Domain Administration Server, it has never been successfully started.

7. Manage server instances associated with the node agent.

   If the node agent is running, start or stop an instance by clicking the checkbox next to the instance name and clicking Start or Stop.

##### See Also

- Creating a Node Agent

- Starting a Node Agent

- Tasks Available through the Admin Console and asadmin Tool

- What Is a Node Agent?

- Node Agent Placeholders

- Node Agent and Domain Administration Server Synchronization

- To Edit a Node Agent Configuration

- To Delete a Node Agent Configuration

- Previous: Tasks Available through the Admin Console and asadmin Tool
- Next: To Create a Node Agent Placeholder

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