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f5 load balancer sample configuration

Use the f5 load balancer to ensure seamless failover when the mid tiers are operating in a multi-tenant environment. The following topic provides information on how to prepare and configure f5 load balancer.

Note

This topic provides only a sample configuration of the f5 load balancer. BMC Quality Assurance department used this configuration for operating mid tiers in a multi-tenant environment. Your f5 configuration can vary depending on your requirements. For more information about f5 documentation, see http://www.f5.com/products/documentation/.

To configure f5 load balancer, perform the following:

  1. Create a pool
  2. Create a node
  3. Add nodes to a pool

Creating a pool

You need to create a pool to which nodes can be added.

To create a pool

  1. From the f5 home page, click Local Traffic > Pools > Pool list.
  2. From the Pool List page, click Create.
  3. Enter the following information in the New Pool page.
    1. From the Configuration drop-down list, select Basic.
    2. In the Name field, enter a name for the pool. For example, add a pool named pool_rod_arsys.
    3. Optionally, in the Description field, enter a brief description for your pool.
    4. For Health Monitors, from the Available list, select http, and move it to the Active list. You need health monitors to ping the defined URLs at a defined interval and check whether the node is alive.
    5. In the Resources area, from the Load Balancing Method drop-down list, select Round Robin.
  4. Click Finished. The new pool with the specified name is created.

    Notes

    • Ensure that you follow a naming convention to name a pool. For example, you might want to name all the pools starting with Pool_.
    • If you create a node from the Resources area, the created node becomes a part of this pool. The node will not be available for use by other pools.

Creating a node

A node represents a Tomcat instance in the cluster. For example, if you have a cluster of 4 tomcat instances, you will have to create 4 nodes in f5.

To create a node

  1. From the f5 home page, click Local Traffic > Nodes > Node List.
  2. Click Create.
  3. In the New Node page, enter the following information:
    1. In the Name field, enter a name for the node. For example, add a node named Node1_RoD.
    2. In the Address field, enter the IP address of the node.
    3. Optionally, in the Description field, enter a brief description for the node.
    4. In the Configuration area, keep the default configurations.
  4. Click Finished. The new node is created.

Adding nodes

When a cluster is created, you need to add the nodes to a single pool.

To add nodes to a pool

  1. From the f5 home page, click Local Traffic > Pools > Pool list.
  2. Click the Members tab.
  3. Click Add.
  4. Click Node List.
  5. From the Address drop-down list, click to select the node that you want to add to the pool.
  6. Enter 80 as the service port number.
  7. Keep the default configurations.
  8. Click Finished.

Repeat these steps for as many nodes you want to add to the pool. 

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