HP-UX 11i v3 Installation and Update Guide, March 2009 (Update 4 Release)

Task 4: Backing Up Your System
Back up your system before performing an update, and again after the update is
complete. If a problem occurs, you can easily restore the system to its original state.
See “Backing Up Your System” (page 56) for more information.
Task 5: Locating Source Media and Codewords
Locate the source media needed for the update. See “Locating Source Media and
Codewords” (page 59) for instructions.
Update Tasks 55