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Dynamic Policy Server Clusters

Earlier versions of CA SiteMinder® agents did not automatically discover when Policy Servers were added or removed from a cluster. The agents recognized the changes only after their respective web servers were restarted.

CA SiteMinder® 12.52 supports dynamic Policy Server clusters. Agents automatically discover Policy Servers that are added or removed from an existing cluster when dynamic Policy Server Clusters are enabled.

For example, suppose that your agent connects to a cluster of the following Policy Servers:

Suppose that you later decide to remove the server 192.168.2.103 to upgrade its operating system. In this situation, enabling dynamic Policy Server clusters lets your agents recognize the change in the membership of the cluster without restarting.

Restart your web server if you do any of the following tasks:

Connect a SiteMinder WSS Agent to a Dynamic Policy Server Cluster

You can connect a SiteMinder WSS Agent to one or more dynamic Policy Server clusters by modifying the SmHost.conf file on your web server.

Follow these steps:

  1. Open the following file with a text editor:
    agent_home\config\SmHost.conf
    
    agent_home

    Indicates the directory where the SiteMinder WSS Agent is installed on your web server.

    Default (Windows 32-bit SiteMinder WSS Agent installations: C:\Program Files\CA\Web Services Security\webagent

    Default (Windows 64-bit SiteMinder WSS Agent installations: C:\Program Files\CA\Web Services Security\webagent\win64

    Default (Windows 32-bit SiteMinder WSS Agent installations operating on 64-bit systems: C:\Program Files (x86)\CA\Web Services Security\webagent\win32

  2. Do one of the following tasks:
  3. Save the SmHost.conf file, and then close the text editor.
  4. Restart your web server.

    The SiteMinder WSS Agent is connected to dynamic Policy Server clusters.