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SISRO and is no longer available, but deserves mentioning. The product
documentation is helpful in that it provides a very good project plan and
description of the mass migration approach. When sold through SISRO, this tool
is know as CORTEX-Migration System (CORTEX-MS) and currently is available.
Although there have been many changes to the MVS and VSE operating systems
and improvements to the conversion tool, the methodology of planning and
execution of the conversion has not changed significantly.
Choosing the appropriate conversion and production implementation strategy is
a very crucial decision. It is important to choose the right strategy and build a
corresponding plan. The mass migration method can provide a project that is
definable and allows for more accurate project cost estimation and sizing. It can
be the most effective strategy in light of today′s I/T structure where integrated
applications are closely tied to the integrated functions of business operations.
3.1.2.6 Project Staffing
It is recommended to use hired conversion specialists to handle the planning
and organization of the overall OS/390 migration, and the conversion of the VSE
applications to OS/390.
The VSE staff and hired conversion specialists work as a single project team.
Each bring their own skills to the project and share the project responsibilities as
follows:
3.1.2.7 Librarian
The librarian helps the project manager follow the migration by recording
events, collecting information about the progress of the migration, drawing up
checklists, and maintaining tables of problems, solutions, and programming
elements affected. The tasks and responsibilities of the librarian include:
•
Controlling the production and updating of the migration workbook
•
Collecting information on the VSE source material
•
Recording migration events
•
Collecting information on program and JCL conversion, and conversion
problems and solutions
3.1.2.8 Migration Responsibilities
The
hired conversion specialists
are typically skilled and experienced with:
•
OS/390 applications and operations support
•
OS/390 installation and implementation
•
VSE to OS/390 conversion tools
•
VSE to OS/390 conversion requirements and solutions
•
OS/390 migration planning and project management
The
VSE staff
is experienced with:
•
Existing VSE operations
•
Existing VSE applications
•
Existing OS/390 applications (in case of pre-existing dual VSE and OS/390
operations)
Chapter 3. Developing the Plan 43