Add vertical cluster members to a dynamic cluster on AIX


  1. Open the dmgr console

  2. Navigate to...

      Servers | Clusters | Dynamic clusters | dynamic_cluster

  3. Select...

      Vertical stacking of instances on node | Allow more than one instance to start on the same node check box

  4. Set the number of vertical cluster members allowed on each node in...

      Number of instances

  5. Click Apply and then click Save to save the changes to the master configuration.

  6. To view the list of new cluster members.

      Servers | Clusters | Dynamic Clusters | cluster_name | Cluster Members

    The new cluster topology can be viewed from...

    The Servers -> Server Types -> WebSphere application servers view will list the new server cluster members.

  7. Update the virtual host entries for the new port created when adding a cluster member. You can do this by updating the default_host virtual host in the administrative console and adding a new alias entry for the port number (use an "*" wildcard character for the host name). See Configure virtual hosts for information.

  8. Enable cache replication:

    1. From the dmgr console, navigate to...

        Servers | Server Types | WebSphere application servers | new vertical cluster member(s) | Container services | Dynamic cache service

    2. Change Cache size to 3000 entries.

    3. Check the Enable cache replication check box.

    4. Select NOT_SHARED from the Replication type drop-down menu.

    5. Click OK.

    6. Click Save to save changes to the master configuration.

  9. On each vertical cluster member, to clean up server-scoped resources, caches, and resource providers:

      cd WP_PROFILE/ConfigEngine
      ./ConfigEngine.sh cluster-node-config-vertical-cluster-setup -DServerName=vertical_cluster_server -DWasPassword=foo

  10. Restart the vertical cluster member referenced in the cluster-node-config-vertical-cluster-setup task.

  11. In the administrative console for the dmgr, click Save on the task bar, and save administrative configuration.

  12. Select...

      System Administration | Nodes | node | Full Resynchronize

  13. Stop and start the web server.


Parent

Choose the type of vertical cluster to create on AIX

 


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