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. 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 
   cluster_server/EULA/<lang>/EULA_VCS_Ux_<version>.pdf 
   file present on media? [y,n,q,?] y

5. Review the available installation options.

   1.	Installs only the minimal required VCS RPMs that provides basic functionality of the product.
   2.	Installs the recommended VCS RPMs that provide complete functionality of the product. This option does not install the optional VCS RPMs.
   	Note that this option is the default.
   3.	Installs all the VCS RPMs.
   	You must choose this option to configure any optional VCS feature.
   4.	Displays the VCS RPMs for each option.
   	For this example, select 3 for all RPMs.
   	Select the RPMs to be installed on all systems? [1-4,q,?] (2) 3

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. When you are prompted, reply y to stop VCS processes.

   Do you want to stop VCS processes? [y,n,q] (y)

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