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Chapter 1. Planning for Migration
This chapter provides information to help you plan your installation's migration to
the new release of RACF. Before attempting to migrate, you should define a plan
to ensure a smooth and orderly transition. A well thought-out and documented
migration plan can help minimize any interruption of service. Your migration plan
should address such topics as:
Identifying which required and optional products are needed
Evaluating new and changed functions
Evaluating how incompatibilities affect your installation
Defining necessary changes to:
– Installation-written code
– Operational procedures
– Application programs
– Other related products
Defining education requirements for operators and end users
Preparing your staff and end users for migration, if necessary
Acquiring and installing the latest service level of RACF for maintenance
The content and extent of a migration plan can vary significantly from installation to
installation. To successfully migrate to a new release of RACF, you should start by
installing and stabilizing the new RACF release without activating the new functions
provided. Installing the new RACF release without initially exploiting new functions
allows you to maintain a stable RACF environment. The program directory shipped
with the new RACF release gives detailed information about the correct software
required for installation.
When defining your installation's migration plan, you should consider the following:
Migration
Installation
Customization
Administration
Auditing
Operation
Application development
General users
Chapter 13, “Scenarios” on page 61 contains scenarios that might help you in
defining your migration plan.
Migration Planning Considerations
Installations planning to migrate to a new release of RACF must consider high-level
support requirements such as machine and programming restrictions, migration
paths, and program compatibility.
For more information, see Chapter 4, “Planning Considerations” on page 23.
Copyright IBM Corp. 1994, 1996 1