Operating system preinstallation guidelines

Two situations require consideration, as follows:

• Installing the Operating System on a New System

  Before you begin the installation process, be sure that you have made decisions about the size and location of disk file systems and paging spaces, and that you understand how to communicate those decisions to the operating system.

• Installing a New Level of the Operating System on an Existing System
  If you are upgrading to a new level of the operating system, do the following:

  • Check to see if you are using a /etc/tunables/nextboot file.
  • If you do use the /etc/tunables/nextboot file, inspect the /etc/tunables/lastboot.log file after the first reboot.