To start the installer to upgrade the second subcluster

1. Confirm that you are logged on as the superuser and you mounted the product disc.
2. Navigate to the folder that contains installvcs.

   # cd cluster_server

3. Confirm that VCS is stopped on node03 and node04. Start the installvcs program, specify the nodes in the second subcluster (node3 and node4).

   # ./installer node3 node4

   The program starts with a copyright message and specifies the directory where it creates the logs.

4. Select G (Upgrade a Product) from the 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
   

5. 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
   

6. The installer performs a series of checks and tests to ensure communications, licensing, and compatibility.
7. When you are prompted, reply y to continue with the upgrade.

   Do you want to continue? [y,n,q] (y)

8. 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
   
   When you are prompted, reply y to stop appropriate processes.
   Do you want to stop InfoScale Enterprise processes now? [y,n,q,?] (y) y
   

9. Monitor the installer program answering questions as appropriate until the upgrade completes.