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GC20-180 1 -0
IBM Virtual Machine
Facility /370:
Systems Planning Guide
This publication is intended for those responsible for the
planning and installation of a VM/370 system. It includes
information on virtual machine concepts, operating sys-
tems in a virtual machine, and planning considerations
for a VM/370 installation. The publication IBM Virtual
Machine Facility/370: Introduction, Order No. GC20-
1800, is a prerequisite for understanding this planning
guide.
Preface
'This publication provides the people responsible for plan-
ning and installation of a VM/370 system with the infor-
mation they need to determine the facilities and support
personnel that will be required.
All readers should have a general understanding of
System/370 data processing techniques. Those responsi-
ble for installing and operating the VM/370 system should
have a more detailed knowledge about teleprocessing sys-
tems. In addition, all users of this book should be familiar
with the information contained in the publication IBM
Virtual Machine Facility/370: Introduction, Order No.
Ge20-1800.
This book is divided into four main sections, plus Ap-
pendixes. "Section I: Introduction" contains a brief
description of VM/370 and its operating components.
"Section 2. CMS Considerations" supplies the reader
with detailed information about the Conversational Mon-
itor System (CMS), a virtual machine operating system
that is part of V1I1/370.
"Section 3. Operating Systems-General Information"
discusses several important considerations for all virtual
machine operating systems.
"Section 4. Pre-System Generation Planning" describes
the facilities and planning required to prepare to install a
VM/370 system.
The Appendixes provide further details about particu-
lar aspects of V1I1/370, and are titled accordingly.
When the term 3330 is used in this publication, it refers
to the IBM 3330 Disk Storage, Modell or the IBM 3333
Disk Storage, Modell.
First Edition (Avgust 1972)
Changes are continually made to the specifications herein; before using this publication in con-
nection with the operation of IBM systems, consult the latest System/360 and System/370 SRL
Newsletter, GN20-0360, for the editions that are applicable and current.
Requests for copies of IBM publications should be made to your IBM representative or to the
IBM branch office sl;lrving your locality.
A form for readen' comments is provided at the back of this publication. If the form has been
removed, comments may be addressed to IBM Corporation, Programming Publications Dept.
545 Technology Square, Cambridge, Massachusetts 02139. Comments become the proper-
ty of IBM.