HP OpenVMS Version 8.3 Upgrade and Installation Manual

Chapter 4 Before Upgrading the OpenVMS Operating System

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Table of Contents

Preupgrade Tasks

Documentation to Review Before Upgrading Your System

Notes, Cautions, and Restrictions

Upgrade Paths
Update License Requirements
Components You Choose Not to Install
Licenses and Layered Products

Software That Must Be Manually Removed

Remove Older Versions of DECram for OpenVMS (Alpha Only)
Remove TDC Version 2.0 (Alpha Only)

Saving Files from Being Deleted by the Upgrade

Saving Archived Files
Saving Files Added or Modified in the SYS$EFI.SYS Boot Partition (OpenVMS I64 Upgrades from Version 8.2 Only)

Preparing the System Disk

Checking the Directory Structure and Preserving Your Security Protections
Checking the SYSCOMMON Directories
Examining the System Disk
Checking the Size of the System Disk
Returning Authorization and AGEN$INCLUDE Files to the System Disk
Verifying System Parameters

Ensuring You Have a Recent FEEDBACK.DAT File

Shadowing Environment

Setting the Boot Device
Creating a Nonshadowed Target Disk

Backing Up the System Disk

Finishing Preupgrade Tasks

This chapter describes which tasks you should perform prior to beginning an upgrade. “Preupgrade Tasks” includes a checklist that you can use to make sure you perform all the tasks described in this chapter.