Installing Remedy SSO in the high-availability mode using the TrueSight installer wizard

Where you are in the  Installation process

To install Remedy SSO using the wizard-based TrueSight installer in the high-availability mode

Remedy Single Sign-On high-availability environment is implemented as a redundant system with session failover. If the primary node fails, the load is transitioned to the secondary node with minimal interruption. 

In a high-availability (HA) environment, multiple instances of the Remedy Single Sign-On (Remedy SSO) web application are deployed to form a cluster. Usually, a load balancer is used as a front end to the cluster, giving the external applications the appearance of a single server. The load balancer distributes requests among Remedy SSO nodes. However, there is no requirement for a sticky session, because requests can be handled by any instance.

You need to perform the following tasks to install Remedy SSO in a high-availability mode:

Step A: Install Remedy SSO on the primary computer

Do the following:

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  8. Select PostgreSQL - External database type to use an existing PostgreSQL database instance. 

    Note

    • Ensure that the PostgreSQL database is installed on a separate host computer that is different from the host computers on which you plan to install the primary and secondary Remedy SSO servers.
    • Primary and secondary Remedy SSO servers must be able to access the host computer on which the PostgreSQL database is installed.

    postgreSQL_ext_v11.png

  9. Type the database details such as host name, database name, and port number of the existing PostgreSQL database, and click Next.
  10. Select Create New User to create a new database user to manage Remedy SSO operations. 

  11. Type the database admin and user name details, type the respective passwords, and confirm them. 

    You will need to provide these database user details while installing Remedy SSO on the secondary node.

    postgresql_ext_pwd_v11.png

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    Change password

    Use the same password when you change the password for the Secondary computer.

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Step B: Install Remedy SSO on the secondary computer

Do the following:

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  8. Select PostgreSQL - External database type to use an existing PostgreSQL database instance. 

    • Ensure that the PostgreSQL database is installed on a separate host computer that is different from the host computers on which you plan to install the primary and secondary Remedy SSO servers.
    • Primary and secondary Remedy SSO servers must be able to access the host computer on which the PostgreSQL database is installed.

    postgreSQL_ext_v11.png

  9. Type the database details such as host name, database name, and port number of the existing PostgreSQL database that you used while installing on the primary node, and click Next. 
  10. Select Use Existing User to use an existing database user to manage Remedy SSO operations. 
  11. Type the database user name and password that you created while installing Remedy SSO on the primary node, and click Next.
    postgresql_ext_user2_pwd_v11.png
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    Change password

    This password must match the password you specified for the Primary computer.

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Step C: Set up and configure the load balancer details

Set up the load balancer on a host computer other than the primary and secondary Remedy SSO host computers. Refer to the specific load balancer documentation or ask the vendor for details about the configuration.

Troubleshooting installation issues

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Next step in the Installation process

Step 3 Phase B — Now that you have successfully installed Remedy SSO, you must set up the Remedy SSO server.

 

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