Siebel System Administration Guide > Configuring the System Architecture > Configuring Siebel Server Load Balancing >

Revising the Third-Party HTTP Load Balancer Configuration

You must revise the third-party HTTP load balancer configuration or edit the SWSE configuration file (eapps.cfg) if you do either of the following:

• Add or remove a Siebel Server that is load-balanced.
• Enable or disable an Application Object Manager that is load-balanced.

Prerequisites

• Verify that all the Siebel Servers you want to load-balance are running.
• Verify that the Application Object Managers (AOMs) you want to load-balance are running. Disable any AOMs you do not want to load-balance.
• Obtain the virtual IP (VIP) address and port number for the load balancer.
• Review the layout of the load balancing configuration file.

Several of the steps in the following procedures are about manually modifying the configuration of the load balancer. If a script is available that automatically imports server configurations, run this script instead.

To revise the load balancer configuration after adding or removing a load-balanced Siebel Server

1. Add or remove the Siebel Server.

   See the Siebel Installation Guide for the operating system you are using.

2. Generate a new lbconfig.txt file.

   This updates the URL mappings in the file to reflect the new or removed server. See the Siebel Installation Guide for the operating system you are using.

3. Place the new lbconfig.txt file in the directory where you store the SWSE logical profile.
4. Use a text editor to view the lbconfig.txt file.

   Use the file to obtain URLs for editing rules in the steps below.

5. Start the load balancer configuration software.
6. Update the resource group definitions to reflect the added or removed server.
7. Revise the component and round-robin rules to reflect the added or removed Application Object Manager (AOM) running on the server.
8. If adding a server, create a server rule. If deleting a server, delete the server rule.
9. Save the configuration.
10. Apply the SWSE logical profile to Web servers where the SWSE is installed.

    See the Siebel Installation Guide for the operating system you are using.

To revise the load balancer configuration after enabling or disabling an Application Object Manager on a load-balanced Siebel Server

1. Enable or disable the Application Object Manager (AOM).

   See Configuring the Siebel Server for more information.

2. Generate a new lbconfig.txt file.

   See the Siebel Installation Guide for the operating system you are using.

3. Place the new lbconfig.txt file in the directory where you store the SWSE logical profile.
4. Use a text editor to view the lbconfig.txt file.

   Use the file to obtain URLs for editing rules in the steps below.

5. Start the load balancer configuration software.
6. Revise the component and round-robin rules to reflect the added or removed AOM.
7. Save the configuration.
8. Apply the SWSE logical profile to Web servers where the SWSE is installed.

   See the Siebel Installation Guide for the operating system you are using.

No changes are required to the server rules that manage reconnection requests in the load balancer.