HP-UX Virtual Partitions Administrator Guide (includes A.05.07) (5900-1229, September 2010)

Migrating from vPars A.03.xx to Mixed HP-UX 11i v1/v2/v3 vPars
(A.03.05, A.04.02 or later, A.05.03)
This section provides an overview of the process for migrating from an existing vPars A.03.xx
environment to a mixed HP-UX 11i v1/v2/v3 vPars environment. A mixed HP-UX 11i v1/v2/v3
vPars environment supports virtual partitions running vPars A.05.03 on HP-UX 11i v3 (11.31),
virtual partitions running vPars A.04.02 or later on HP-UX 11i v2 (11.23), and virtual partitions
running vPars A.03.05 on HP-UX 11i v1 (11.11).
For information on using a mixed HP-UX 11i v1/v2/v3 vPars environment, see “Mixed HP-UX
11i v1/v2/v3 vPars Environments in vPars A.05.03” (page 63).
Two approaches are available for migrating to a mixed HP-UX 11i v1/v2/v3 vPars environment:
• A “cold migration” update process.
The cold migration process involves updates of vPars A.03.xx to vPars A.03.05, the installation
of a new HP-UX 11i v3 boot disk (with vPars A.05.03), and subsequent virtual partition
updates to vPars A.04.05 and/or A.05.03 as needed.
• A two-phased update, involving:
— First updating to a mixed HP-UX 11i v1/v2 vPars environment (including vPars A.03.05
and vPars A.04.05).
This process is documented in “Updating from vPars A.03.xx to Mixed HP-UX 11i v1/v2
vPars (A.03.05 and A.04.05) Environment” (page 85).
— Then updating the virtual partitions going to HP-UX 11i v3 from vPars A.04.05 to vPars
A.05.03.
See the Migrating from HP-UX 11i v1 Virtual Partitions to a Mixed HP-UX Version Environment
white paper at http://docs.hp.com for a further detail and a description of the steps and choices
involved in these migration paths from a vPars A.03.xx environment to a mixed HP-UX 11i
v1/v2/v3 vPars environment.
Before beginning the migration to a mixed HP-UX 11i v1/v2/v3 vPars environment it is critical to
confirm that system resources can support the HP-UX 11i and vPars requirements, including:
• Supported hardware platforms
• Minimum system firmware revisions
• Supported I/O cards and minimum card firmware revisions
CAUTION: Be certain that the vPars hardware, firmware, and I/O card requirements listed
in the HP-UX Virtual Partitions Ordering and Configuration Guide are met before proceeding
with the migration.
• Filesystem sizes required by HP-UX 11i v1, 11i v2, and 11i v3
HP-UX 11i requirements are listed in the Read Before Installing or Updating and Installation
and Update Guide documents available at http://docs.hp.com.
All virtual partitions that will remain as HP-UX 11i v1 virtual partitions after the migration must
update to vPars A.03.05. The HP-UX 11i v2 virtual partitions can be at vPars A.04.02 or greater,
but depending on the migration path they might all be updated to vPars A.04.05. All HP-UX 11i
v 3 virtual partitions will be at vPars A.05.03 once the migration to a mixed HP-UX 11i v1/v2/v3
vPars environment is complete.
98 Installing, Updating, or Removing vPars and Upgrading Servers with vPars