17.8 Starting and stopping the 1-to-1 node switching system in Application Server (In Windows)
This section describes the procedure for starting and stopping the system when you are using 1-to-1 node switching system in Application Server. This section also describes the procedure for starting and stopping the system when you are performing maintenance of the J2EE server or the batch server after starting the operation.
In the 1-to-1 node switching system of Application Server, use the cluster service. For details on the cluster service, see the OS manual.
When performing the operation using the 1-to-1 node switching system, you must specify beforehand the required environment settings, such as preparing the two hosts as the active node and spare node, and registering the script for monitoring, starting, and stopping the Administration Agent in which you run the cluster service. For details on how to specify the settings, see 17.4 Settings of the 1-to-1 node switching system of Application Server (In Windows).
Note that the description in this section is based on the prerequisite that before you execute planned node switching according to the procedure; the active node host must be running as the executing node host.
- Important note
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If node switching occurs as a result of failure of the Administration Agent, the processes of each logical server remains in the host in which the Administration Agent has failed. If processes are still running, you cannot start the logical servers when node switching occurs, and therefore, you must stop all processes before occurrence of node switching. Apart from this, execute the tasks beforehand for proper start of applications.
- Tip
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When you use the 1-to-1 node switching system, start Management Server in Management Server. In each Application Server host, do not specify the settings for starting the Administration Agent together with the OS.