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- Standalone Installation. Standalone installation enables you to install a single instance and define the instance name and configuration. This instance is not connected to or affected by any other instance configuration. After completing the pre-installation tasks, see Installing a standalone J2EE Tier instance.
- Cluster Installation. Cluster installation defines the configuration parameters for a group of instances in a central location. Once a cluster is defined, a set of startup arguments is created. All instances with these startup arguments will automatically be installed as part of the cluster and share the same configuration.
Each instance in the cluster is given a name that includes both the user defined cluster name and an automatically generated unique identifier.
It is recommended to install a cluster when the following conditions apply:- The application is deployed on more than one JVM.
- New JVMs are created automatically.
- The startup parameters are located in a central location and are shared by all instances in the clusters.
- There is no need for specific, user-defined instance names.
- Shared Configuration. Shared configuration enables the user to use configuration parameters from a different, already installed instance. Each instance using shared configuration is given a user-defined name, but will share all configuration, as defined in the configuration files in the registry. After completing the pre-installation tasks, see Using shared configuration in Precise for J2EE on page 86.
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- From StartPoint, click the AdminPoint tab.
- Click the Setup tab.
- From the drop-down menu, select Instances & Clusters.
- Click the All instances tree item.
- At the bottom of the Display Instances & Clusters screen, click Add Instance. The Add New Instance dialog box appears.
- Select the required technology from the list.
- Select the application from the list.
If the desired application is not on the list, perform the following steps:- Click Add.
- In the Name field, type in the new application name.
- In the Node field, select the system application from the list.
Click OK.
Info To install an instance in an application, you must have ADMINISTRATE.INSTALL permission for the application in which you want to install the instance. If you only have permission for a specific technology, you will only be able to install in an application that is either empty, or is comprised of only the same technology.
- Select a Tier from the list.
Click OK to open the J2EE Instance Installation - Property Settings dialog box. See Defining J2EE property settings on page 78.
Info Always refresh AdminPoint after adding an instance.
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To enter J2EE property settings
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- From StartPoint, click the AdminPoint tab.
- Click the Setup tab.
- From the drop-down menu, select Instances & Clusters.
- Click the All clusters tree item.
- At the bottom of the Display Instances and Clusters screen, click Add Cluster. The Add New Cluster dialog box appears.
- Select the J2EE technology from the list.
- Select the application from the list.
If the desired application is not on the list, use the following steps:- Click Add.
- In the Name field, type in the new application name.
- In the Node field, select the Tier from the list.
Click OK.
Info To install a cluster in an application, you must have explicit ADMINISTRATE.INSTALL permission for the application in which you want to install the cluster. If you only have permission for a specific technology, you will only be able to install in an application that is either empty, or is comprised of only the same technology.
- Select a Tier from the list.
Click OK to open the J2EE Cluster Installation - Property Settings dialog box. See Defining J2EE cluster property settings on page 80.
Info Always refresh AdminPoint after adding a cluster.
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To enter J2EE property settings
Use a free-text identifier to provide a unique name to be shared by all instances in the cluster. In addition, a unique identifier will automatically be added to each instance.
Info For WebSphere and WebLogic, the unique name will be the application server name. For all other technologies, it will be a running number.
Click the drop-down menu to select a server where any of the cluster’s JVMs are running. If you want to add a new server that is not listed, click Add. For more information, see About adding servers on page 81. You will have the chance to add more servers later on in the installation process.
Info This is the name or IP address of the server where you want to install the J2EE Tier Collector. The server name appears in the list only if you previously defined it as a Precise Server.
- Select an auto-detected JVM from the “Detected JVMs” list. The remaining text boxes are auto-filled, but may be edited as needed.
- If none of the JVMs that you want to monitor are detected, proceed as follows:
Click the drop-down menu to select the application server type.
Info This is the type of the J2EE application server. Precise supports several J2EE application server types, including Oracle WebLogic, IBM WebSphere, Oracle AS, and Apache Tomcat.
- Click the drop-down menu to select the application server version.
- Enter the full path to the Java executable - optional field.
If installing Oracle WebLogic managed instances, mark the “Managed WebLogic Server” check box.
Info The last 2 items are optional, but are required to enable automatic execution of post-installation action items.
- Click Next. A preview of the planned installation will be displayed for approval at the beginning of the installation process.
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The progress screen visually displays the progress of actual installation on selected servers.
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The Add Servers screen enables you to add more servers running the cluster's JVMs to the cluster. To add servers, first locate them in the left table or add them by pressing the Add button. To associate a server with the cluster, move it to the table on the right. This action will allow you to check the status of the installation of the JVMs on the selected servers. You can also add the servers to the right list at a later time by editing the cluster. See Editing or removing tier instances or clusters. Click Next to continue installation.
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If you have two different clusters that are started by the same startup script, execute the action items manually by performing the procedure detailed in Manually executing post-installation action items when multiple clusters share a startup script on page 84. |
About the AdminPoint Cluster Installation Complete screen
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