9.1 Overview of the tasks for maintenance operations

1

You can change the environment definition of Application Server when:

• The execution status changed for a reason such as an increase in access numbers or application changes.

• You want to temporarily change the environment definition to handle security problems.

When you change an environment definition, stop the performance tracer, server instance, and web server in a batch before making any changes. After making the changes, start the servers that configure Application Server in a batch.

Use the set subcommand to change the Application Server settings.

2

Use the server template to change the Web server settings.

3

Use the create-jvm-options subcommand to change the Java VM options.

4

Change the environment variables that are applied to the processing of the asadmin utility command.

5

You can replace the application that is running in Application Server to add a functionality to the application, or to take care of the defects.

Replace the applications.

6

If the configuration of a network is changed (for example, for regular maintenance), you can change the IP address or the host name of computer on which Application Server is installed.

Change the IP address and the host name.

7

You can back up the environment information of Application Server, when you change the environment definition and keep the setting before changing. In addition, you can restore environment information that was backed up in cases such as when you failed to change the environment information.

Back up the environment information.

8

Restore the environment information.

9

You can apply revision patches and revised versions when revision patches are released for Application Server, or when the system undergoes regular maintenance.

Apply revision patches and revised versions.

10

You can check the usage status (such as access logs) and operational status (execution information file) of the system to revise the machine configuration and its environment definition.

Check the usage status of the system.

11

Check the operational status of the system.

12

You can configure the same settings as another instance of Application Server by adding Application Server to a new computer (new server) when an increase in work load is required or to make preparations for an expected increase in work load.

Scale out the system.

13

You can apply an updated version of Application Server or Application Server for Developers.

Upgrade Application Server or Application Server for Developers.