Gather the necessary information. 

Follow the checklist and complete the worksheet to be sure that you have all of the information you need to install the Solaris software. 

Chapter 6, Gathering Information Before Installation or Upgrade (Planning)

(Upgrade only) Prepare to upgrade the system. 

Back up the system. 

System Administration Guide: Basic Administration

(Optional) Preconfigure system configuration information. 

Use the sysidcfg file or the name service to preconfigure installation information for a system, for example locale. Preconfiguring system information prevents the installation program from prompting you to supply the information during the installation.

Chapter 7, Preconfiguring System Configuration Information (Tasks)

(Optional) Set up the system to install from the network. 

To install a system from a remote Solaris 9 Software SPARC Platform Edition CD image, you need to set up the system to boot and install from an install server or boot server.

Chapter 12, Preparing to Install From the Network With CD Media (Tasks)

Install or upgrade. 

Boot the system and follow the prompts to install or upgrade the Solaris software. 

SPARC: To Perform an Installation or Upgrade With the Solaris suninstall Program

(Upgrade only) Perform post-upgrade task. 

Correct any local modifications that were lost during the upgrade. 

Solaris suninstall Program Post-Upgrade Task