IBM GC28-1920-01 manual Migration Planning Considerations

Chapter 1. Planning		for	Migration
This		chapter		provides			information		to help you plan your installation's mi
the		new	release			of	RACF. Before		attempting to migrate, you should de
to ensure a smooth and orderly									transition. A well thought-out and docum
migration			plan	can		help	minimize any interruption of service. Your migrat
should address					such		topics	as:
Ÿ	Identifying				which		required and optional products are needed
Ÿ	Evaluating			new		and changed		functions
Ÿ	Evaluating			how		incompatibilities			affect your installation
Ÿ	Defining necessary						changes	to:

–Installation-written code

–Operational procedures

–Application programs

–Other related products

Ÿ	Defining	education requirements for operators and					end	users
Ÿ	Preparing	your	staff	and	end users for	migration,	if	necessary
Ÿ	Acquiring	and	installing	the	latest service	level of	RACF	for maintena

The content and extent of a migration plan can vary significantly from installation. To successfully migrate to a new release of RACF, you sh installing and stabilizing the new RACF release without activating the n provided. Installing the new RACF release without initially exploiting ne allows you to maintain a stable RACF environment. The program directory with the new RACF release gives detailed information about the corre required for installation.

When defining your installation's migration plan, you should consider the

ŸMigration

ŸInstallation

ŸCustomization

ŸAdministration

ŸAuditing

ŸOperation

ŸApplication development

ŸGeneral users

Chapter 13, “Scenarios” on page 61 contains scenarios that might help y defining your migration plan.

Migration Planning Considerations

Installations planning to migrate to a new release of RACF must conside support requirements such as machine and programming restrictions, migrat paths, and program compatibility.

For more information, see Chapter 4, “Planning Considerations” on page 23.

 Copyright IBM Corp. 1994, 1996 1