This documentation supports the 9.0 version of BMC Atrium Single Sign-On, which is in "End of Version Support." However, the documentation is available for your convenience. You will not be able to leave comments.

Click here to view the documentation for a supported version of Remedy Single Sign-On.

End-to-end integration steps in HA environment

This topic provides a high-level overview for installing and configuring BMC Remedy AR System, BMC Remedy Mid Tier in a High Availability (HA) load-balancing, server-group environment with BMC Atrium Single Sign-On.

The following topics are provided:

 ITSM integration architecture in an HA load-balancing environment (when integrated with BMC Atrium SSO)

Installing and configuring BMC Remedy AR System

Follow the steps for installing and configuring BMC Remedy Action Request (AR) System and BMC Remedy Mid Tier on multiple servers in an HA environment.

Before you begin

  • Create a comprehensive list of all of the following items in a text file:

    • Load balancers

    • AR System servers

    • BMC Remedy Mid Tier servers

    • BMC Atrium Single Sign-On servers and their IP addresses along with their accepted FQDNs

You can refer to the ITSM architecture provided in this topic. For more information, see Planning where software is installed in server groups.

Setting up your load balancer

A load balancer is a valuable component in building a scalable, highly available BMC Remedy AR System infrastructure. Scalability is achieved through the ability to add BMC Remedy AR System servers as demand and workload increase. For more information about setting up a load balancer, see Configuring a hardware load balancer with BMC Remedy AR System.

To set up your load balancer

  1. Configure the AR System server load balancer with all of the servers in the server group. For more information, see Load balancer configuration examples.

  2. Configure the BMC Remedy Mid Tier load balancer.
  3. Configure the SSO server load balancer. For more information, see Installing BMC Atrium Single Sign-On as a High Availability cluster.

Note

Ensure that your load balancers include all of the computers on which you have installed servers. For example, your BMC Remedy Mid Tier load balancer must include all of the computers on which you have installed the mid tier.

Installing the server group

The following list describes the list of tasks required to install a server group for BMC Remedy AR System, BMC Atrium Core, and other BMC products. For more information, see Installing a server group.

  1. Installing the first AR System server.
  2. Installing the first mid tier server.
  3. Obtaining BMC Remedy license keys.
  4. (Optional) Testing the mid tier in your server group.
    This step is used for testing the installation of the first AR System server.
  5. Configuring the first server to be a server group member.
  6. Testing the first server to confirm that it is working properly.
  7. Installing the next AR System server in the server group.
  8. Configuring the next server for the server group.
  9. Configuring the mid tier to include all AR System servers that you have installed.
  10. Testing the current server to confirm that it is working properly.
    Use the AR System Server Group Operation Ranking form to distribute the load between the AR System servers and the load balancer.

  11. Configuring the mid tier to use the AR System server load balancer.
    Remove the first AR System from the mid tier and add the name of the virtual host of the AR System server load balancer (for example, remedyssoservergroup).
  12. Logging on to the BMC Remedy Mid Tier
    Make sure that the mid tier resolves to the AR System server load balancer.

    For example, you should be able to access the BMC Remedy AR System Administration Console.
  13. Installing the remaining BMC Remedy Mid Tier servers for your environment.
  14. Configuring the Mid Tier load balancer with all of the Mid Tiers in the server group.
    When you log on to the Mid Tier load balancer, it should resolve to the AR System server load balancer URL.

Installing and configuring BMC Atrium Single Sign-On

BMC Atrium Single Sign-On is the first authentication step for BMC Remedy AR System.

  1. Installing BMC Atrium Single Sign-On as a High Availability cluster.

    Note

    If you are not using BMC Atrium SSO as an HA cluster, see Installing BMC Atrium Single Sign-On as a standalone.

  2. Running the BMC Atrium Single Sign-On Installer on AR System server — Perform the BMC Atrium Single Sign-On integration with the AR System servers for each server in a cluster.
  3. (Optional) Enabling multi-tenancy support — Set the value of the allow.tenant.admin and allow.multiple.realms parameters to true in the web.xml file.
  4. (Optional) Adding a tenant realm on the Realms panel — Add a new realm in BMC Atrium SSO so that single sign-on is seamlessly available for the new tenant. To add realms to a BMC Atrium SSO server, use the Realms panel in the BMC Atrium SSO Admin Console.
  5. Tip

    If you have enabled multi-tenancy, you can also enable automatic mapping of realm URLs to an agent. For more information, see Mapping realm URLs to an agent for multi-tenancy.

    If you not enable multi-tenancy and still use multiple realms, you can still map realm URLs to an agent. For more information, see Mapping realm URLs to an agent for multiple realms.

  6. Configuring BMC Atrium Single Sign-On settings for AR System — Perform this step in conjunction with the AR Data Store to retrieve group information and other user attributes from the AR System server for each realm.
  7. (Optional) Running a health check on the BMC Atrium Single Sign-On installation — After you complete all of the steps, run a health check on your integration of BMC Atrium Single Sign-On with each mid tier.
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