Installation manual

Multiversion VAX Upgrade Process
A.2 Multiversion Upgrade Procedure
A.2.1 Before You Begin the Upgrade
Before you begin the multiversion upgrade, you need to perform the following
steps:
1. Locate the OpenVMS VAX software kits for the versions that you need.
2. Review the layered products on your system to determine the minimum
supported version of each layered product to be installed on your final
operating system version.
• Determine which layered products you want to run on your system. See
the web page at the following URL:
http://www.support.compaq.com/openvms/
• For information about specific layered products, see Section A.3.
A.2.2 Intermediate Upgrade
Follow these steps to perform an intermediate upgrade of your OpenVMS VAX
operating system.
1. Review your mixed-cluster version environment. Compaq recommends that
you upgrade all of your systems to the same version prior to performing a
multiversion upgrade.
2. Review the firmware running on your system. For information about specific
layered products, see Section A.3.
3. Review the version-specific documentation. Compaq recommends that you
read the New Features, Release Notes, Installation Guide, and Software
Product Description available in your software kit.
4. Review the preupgrade checklist located in the Installation Guide.
5. Perform the upgrade.
Important
For the intermediate upgrade, install only the base operating system.
Do not install any options. By installing only the base operating system,
the time that you spend upgrading your VAX computer during this
intermediate upgrade can be reduced by 40 percent.
6. Perform the postupgrade checklist located in the Installation Guide.
7. If you are performing multiple intermediate upgrades, repeat steps 3-7 as
necessary.
8. You have completed the intermediate phase of the multiversion upgrade
procedure. Proceed to Section A.2.3 to apply the final upgrade phase of this
procedure.
A–2 Multiversion VAX Upgrade Process