Upgrading the first subcluster

Last published : Jun 11, 2026
You now navigate to the installer program and start it.
To start the installer for the phased upgrade
  1. Confirm that you are logged on as the superuser and you mounted the product disc.
  2. Make sure that you can ssh or rsh from the node where you launched the installer to the nodes in the second subcluster without requests for a password.
  3. Navigate to the folder that contains installvcs.
    \# cd cluster_server
    1. Start the installer program, specify the nodes in the first subcluster (node1 and node2).
    \# ./installer node1 node2
The program starts with a copyright message and specifies the directory where it creates the logs.
  1. Select G (Upgrade a Product) from Task Menu.
    Task Menu:

        P) Perform a Pre-Installation Check     I) Install a Product
        C) Configure a Product Component        G) Upgrade a Product
        O) Perform a Post-Installation Check    U) Uninstall a Product
        L) License a Product                    S) Start a Product
        D) View Product Descriptions            X) Stop a Product
        R) View Product Requirements            ?) Help

    Enter a Task: [P,I,C,G,O,U,L,S,D,X,R,?] g
    1. Review the installation options, and select 1 (Full Upgrade).
       1)  Full Upgrade
       2)  Rolling Upgrade
       3)  Online Upgrade [VCS only]
       b)  Back to previous menu

    Select the method by which you want to upgrade the product: [1-3,b,q](1)1
  2. The installer performs a series of checks and tests to ensure communications, licensing, and compatibility.
  3. When you are prompted, reply y to continue with the upgrade.
    Do you want to continue? [y,n,q] (y)
    1. The Enter y to agree to the End User License Agreement (EULA).
    Do you agree with the terms of the End User License Agreement as
    specified in the EULA/en/EULA.pdf file present on media? [y,n,q,?] y
  4. When you are prompted, reply y to stop appropriate processes.
    Do you want to stop Enterprise processes now? [y,n,q] (y)
    The installer ends for the first subcluster with the following output:
    Configuring VCS: 100%

    Estimated time remaining: (mm:ss) 0:00                       1 of 1

    Performing VCS upgrade configuration ...........................Done

    Cluster Server Configure completed successfully

    You are performing phased upgrade (Phase 1) on the systems.
    Follow  the steps in Configuration and Upgrade Guide to upgrade the
    remaining systems.

    Installation procedures and diagnostic information are saved in the log
    files under directory /var/tmp/[log_dir]. This information helps us
    identify and resolve failed operations performed by the installer.
    Would you like to send the information to us to help improve installation
    in the future? [y,n,q,?] (y) y
The upgrade is finished on the first subcluster. Do not reboot the nodes in the first subcluster until you complete the Preparing the second subcluster procedure.
  1. In the /etc/default/llt file, set LLT_START = 0.