1. Administering Oracle WebLogic Server with Fusion Middleware Control
  2. WebLogic Server Machines

5 WebLogic Server Machines

This chapter describes the tasks you can perform to monitor machines. A machine is the logical representation of the computer that hosts one or more WebLogic Server instances. Each Managed Server must be assigned to a machine. The Administration Server uses the machine definition in conjunction with Node Manager to start remote servers.

Node Manager is a WebLogic Server utility that enables you to start, shut down, and restart Administration Server and Managed Server instances from a remote location. Although Node Manager is optional, Oracle recommends using it if your WebLogic Server environment hosts applications with high availability requirements because Node Manager allows you to control the running state of distributed server instances from a centralized location.

The Java implementation of Node Manager is configured by default to control all server instances belonging to the same domain, a per domain Node Manager. The server instances need not reside on the same machine. For more information about Node Manager, see Administering Node Manager for Oracle WebLogic Server.

This chapter includes the following sections:

Create machines

To create a new machine:

  1. From the WebLogic Domain menu, select Environment, then select Machines.

    The Machines table displays information about the machines that have been configured in the current WebLogic Server domain.

  2. Click Create.
  3. Define the configuration options for your machine on each page of the following sections.
  4. Then, click Create.

Parent topic: WebLogic Server Machines

Machine Identity

From the Machine Identity page, you can set the properties that will be used to identify your new machine:

  • Name: enter a name for your new machine.

  • Machine OS: choose the operating system your machine will run on. If you are creating a machine that will run on a UNIX platform, then select UNIX from the menu; otherwise use Other.

For more information about these fields, see Configuration Options.

Parent topic: Create machines

Node Manager Properties

From the Node Manager Properties page, you can define the Node Manager configuration for this machine:

  • Node Manager Type: select the Node Manager type from the menu.

  • Listen Address: enter the DNS name or IP address upon which Node Manager listens.

  • Listen Port: enter the listen port. This is the port where Node Manager listens for incoming requests.

  • Node Manager Home: if you are using script based Node Manager, enter the Node Manager home location.

  • Shell Command: if you are using script based Node Manager, enter a value in this field.

  • Debug Enabled: select this option to enable Node Manager debugging.

For more information about these fields, see Configuration Options.

Parent topic: Create machines

Review

On the Review page, review the configuration for this machine.

See Configuration Options.

Parent topic: Create machines

Monitor machines

To monitor the machines configured in the current domain:

  1. From the WebLogic Domain menu, select Environment, then select Machines.

    The Machines table displays information about the machines that have been configured in the current WebLogic Server domain, such as:

    • Name

    • Type

    For more information about these fields, see Configuration Options.

Parent topic: WebLogic Server Machines

Monitor Node Manager status

To monitor Node Manager status:

  1. From the WebLogic Domain menu, select Environment, then select Machines.

    The Machines table displays information about the machines that have been configured in the current WebLogic Server domain.

  2. In the Machines table, select the name of the machine for which you want to view the Node Manager status.
  3. Select Monitoring, then select Node Manager Status.

    If Node Manager is currently running on the machine, then the Node Manager Status page displays the following information about the Node Manager process:

    • Status: current status of this Node Manager

    • Version: version string returned from the Node Manager

    For more information about these fields, see Configuration Options.

Parent topic: WebLogic Server Machines

Configure machines

This section describes how to configure machines. This section includes the following tasks:

Parent topic: WebLogic Server Machines

Configure general machine settings

To monitor general configuration settings for a machine:

  1. From the WebLogic Domain menu, select Environment, then select Machines.

    The Machines table displays information about the machines that have been configured in the current WebLogic Server domain.

  2. In the Machines table, select the name of the machine for which you want to view general configuration settings.
  3. Select Configuration, then select General.

    From the General page, you can monitor the following configuration information for a machine:

    • Name

    • Type

    For more information about these fields, see Configuration Options.

Parent topic: Configure machines

Configure general Unix machine settings

To monitor general configuration settings for a Unix machine:

  1. From the WebLogic Domain menu, select Environment, then select Machines.

    The Machines table displays information about the machines that have been configured in the current WebLogic Server domain.

  2. In the Machines table, select the name of the Unix machine for which you want to view general configuration settings.
  3. Select Configuration, then select General.

    From the General page, you can configure the following attributes for a Unix machine:

    • Type

    • Name

    • Enable Post-Bind UID

    • Post-Bind UID

    • Enable Post-Bind GID

    • Post-Bind GID

    For more information about these fields, see Configuration Options.

Parent topic: Configure machines

Configure Node Manager settings

To configure Node Manager settings for a machine:

  1. From the WebLogic Domain menu, select Environment, then select Machines.

    The Machines table displays information about the machines that have been configured in the current WebLogic Server domain.

  2. In the Machines table, select the name of the machine for which you want to configure Node Manager settings.
  3. Select Configuration, then select Node Manager.

    From the Node Manager page, you can configure Node Manager settings, such as:

    • Type

    • Listen Address

    • Listen Port

    • Node Manager Home

    • Shell Command

    • Debug Enabled

    For more information about these fields, see Configuration Options.

Parent topic: Configure machines

Configure machine server settings

To configure server settings for a machine:

  1. From the WebLogic Domain menu, select Environment, then select Machines.

    The Machines table displays information about the machines that have been configured in the current WebLogic Server domain.

  2. In the Machines table, select the name of the machine for which you want to view server configuration information.
  3. Select Configuration, then select Servers.

    From the Servers page, you can add or remove servers from the machine. You can also view configuration information for the servers associated with the machine, such as:

    • Name

    • Type

    • Cluster

    • Machine

    • State

    • Health

    • Listen Port

    For more information about these fields, see Configuration Options.

Parent topic: Configure machines

Add or remove server instances

To add or remove server instances from a machine:

  1. From the WebLogic Domain menu, select Environment, then select Machines.

    The Machines table displays information about the machines that have been configured in the current WebLogic Server domain.

  2. In the Machines table, select the name of the machine for which you want to add or remove server instances.
  3. Select Configuration, then select Servers.
  4. Click Add/Remove.
  5. From the Add/Remove Server page, you can add or remove server instances from this machine by moving server instances between the Available and Chosen lists. Only server instances that are shutdown and statically configured may be added or removed from a machine using this page.
  6. Click Save.

Parent topic: Configure machines

Create machine notes

To create notes for machines:

  1. From the WebLogic Domain menu, select Environment, then select Machines.
  2. In the Machines table, select the name of the machine for which you want to create notes.
  3. Select Notes.
  4. On the Notes page, enter any notes about the configuration of this machine.
  5. Click Save.

See Configuration Options.

Parent topic: Configure machines