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Tech Tip : CA Single Sign-On : Inconsistent behavior from PS to DB Loadbalancing

  • 1.  Tech Tip : CA Single Sign-On : Inconsistent behavior from PS to DB Loadbalancing

    Broadcom Employee
    Posted Nov 05, 2018 10:38 AM

    Question:

     

    We're running Policy Server with 2 ODBC instances of Session Stores,
    when the first instance goes off line, then the connections are going
    to the next Session Store, and when the first instance comes back
    on-line, the connections doen't goes back to the first instance.

     

    We want to know why ?

     

    Answer:

     

    At first glance, the behavior is as expected. Even if the nomenclature
    of the configuration suggest there's a loadbalancing, the following
    configuration means failover, and not loadbalancing :

     

    AlternateServers=(HostName=myserver:PortNumber=1111:ServiceName=myserver.mydomain.com)
    LoadBalancing=1

     

    How to implement ODBC LoadBalancing for User Store
    https://comm.support.ca.com/kb/how-to-implement-odbc-loadbalancing-for-user-store/kb000016656

     

    As such, the behavior you see is as expected and by design.

     

    KB : KB000119929