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Software configuration management strategies and IBM Rational ClearCase
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Software Configuration Management Strategies and IBM® Rational®
ClearCase® Second Edition A Practical Introduction
By David E. Bellagio, Tom J. Milligan
...............................................
Publisher: Addison Wesley Professional
Pub Date: May 23, 2005
Print ISBN: 0-321-20019-5
Pages: 384
Table of Contents | Index
"I wrote that the first edition of this book "communicates much of the experience, wisdom, and insight that was acquired along the way to
discovering what SCM best practices are and how to implement/deploy them." The second edition is full of even more practical experience!
It not only refines and expands upon earlier strategies and best practices, it also contains even more concrete "how-to" information about
implementing and deploying them."Brad Appleton co-author of Software Configuration Management Patterns: Effective Teamwork, Practical
Integration"Read this book when you're getting started with configuration management (CM); read it again in six months and once more two
years later. Software Configuration Management Strategies and IBM Rational ClearCase goes beyond the basics to provide a coherent
review of CM strategies for projects of all sizes and complexities."Jennie Brown, CM Specialist IBM Corporation"This book covers practical
software configuration management (SCM), ClearCase UCM and ClearCase use for project teams. Every project lead and SCM specialist
should (re)read this book before starting a project."Roger Jarrett, Senior Software Engineer IBM Rational Software"This second edition
captures vital Unified Change Management (UCM) features and concepts. It brings the entire UCM feature set full circle and lays the
ground work for a successful UCM implementation; Bellagio and Milligan continue where the first edition left off. The inclusion of composite
baseline concepts, single stream development, performance tuning, and other features and concepts make this the core of any old or new
Unified Change Management implementation.It is rare that a second edition of a book can hold your interest like the first. This publication
does just that...this continues to be the standard for users interested in Unified Change Management deployment."Adam Levensohn,
Manager IBM Rational SoftwareSoftware Configuration Management (SCM) can help even the largest, most complex project teams
manage change, so they can deliver higher quality products faster. The First Edition of Software Configuration Management Strategies and
Rational ClearCase established itself as the definitive single source for guidance on both SCM best practices and the market's leading
product, IBM Rational ClearCase. This fully updated Second Edition systematically addresses the latest ClearCase and ClearQuest®
innovations, while offering even deeper insight into SCM strategy and management.The authors each draw on more than 15 years of SCM
experience, and the knowledge of working with IBM Rational field teams in customer engagements worldwide. They systematically cover
SCM planning and deployment, and SCM's use throughout the entire project lifecycle: development, integration, building, baselining,
release deployment, and beyond. They offer practical guidance on addressing challenges that arise as projects grow in size and complexity,
from managing geographically distributed teams to tracking change requests.Coverage includes Understanding basic SCM concepts, and
the role, value, and components of SCM systems Mastering IBM Rational's Unified Change Management (UCM) modelincluding today's
most effective usage models, strategies, and policy configurations Creating ClearCase repositories and establishing UCM environments,
step-by-step Working as a project manager in the ClearCase environment Leveraging new ClearCase MultiSite and ClearQuest
technologies to full advantage Using the new ClearCase Remote Client to access centralized repositories across WANs Monitoring
ClearCase and tuning it for maximum performanceThis book is valuable for everyone concerned with SCM: developers who wantSCM to be
as intuitive and convenient as possible; project managers and technical leaders who must efficiently manage change; tools engineers; even
IT managersevaluating SCM technologies. © Copyright Pearson Education. All rights reserved.
Software Configuration Management Strategies and IBM® Rational®
ClearCase® Second Edition A Practical Introduction
By David E. Bellagio, Tom J. Milligan
...............................................
Publisher: Addison Wesley Professional
Pub Date: May 23, 2005
Print ISBN: 0-321-20019-5
Pages: 384
Table of Contents | Index
"I wrote that the first edition of this book "communicates much of the experience, wisdom, and insight that was acquired along the way to
discovering what SCM best practices are and how to implement/deploy them." The second edition is full of even more practical experience!
It not only refines and expands upon earlier strategies and best practices, it also contains even more concrete "how-to" information about
implementing and deploying them."Brad Appleton co-author of Software Configuration Management Patterns: Effective Teamwork, Practical
Integration"Read this book when you're getting started with configuration management (CM); read it again in six months and once more two
years later. Software Configuration Management Strategies and IBM Rational ClearCase goes beyond the basics to provide a coherent
review of CM strategies for projects of all sizes and complexities."Jennie Brown, CM Specialist IBM Corporation"This book covers practical
software configuration management (SCM), ClearCase UCM and ClearCase use for project teams. Every project lead and SCM specialist
should (re)read this book before starting a project."Roger Jarrett, Senior Software Engineer IBM Rational Software"This second edition
captures vital Unified Change Management (UCM) features and concepts. It brings the entire UCM feature set full circle and lays the
ground work for a successful UCM implementation; Bellagio and Milligan continue where the first edition left off. The inclusion of composite
baseline concepts, single stream development, performance tuning, and other features and concepts make this the core of any old or new
Unified Change Management implementation.It is rare that a second edition of a book can hold your interest like the first. This publication
does just that...this continues to be the standard for users interested in Unified Change Management deployment."Adam Levensohn,
Manager IBM Rational SoftwareSoftware Configuration Management (SCM) can help even the largest, most complex project teams
manage change, so they can deliver higher quality products faster. The First Edition of Software Configuration Management Strategies and
Rational ClearCase established itself as the definitive single source for guidance on both SCM best practices and the market's leading
product, IBM Rational ClearCase. This fully updated Second Edition systematically addresses the latest ClearCase and ClearQuest®
innovations, while offering even deeper insight into SCM strategy and management.The authors each draw on more than 15 years of SCM
experience, and the knowledge of working with IBM Rational field teams in customer engagements worldwide. They systematically cover
SCM planning and deployment, and SCM's use throughout the entire project lifecycle: development, integration, building, baselining,
release deployment, and beyond. They offer practical guidance on addressing challenges that arise as projects grow in size and complexity,
from managing geographically distributed teams to tracking change requests.Coverage includes Understanding basic SCM concepts, and
the role, value, and components of SCM systems Mastering IBM Rational's Unified Change Management (UCM) modelincluding today's
most effective usage models, strategies, and policy configurations Creating ClearCase repositories and establishing UCM environments,
step-by-step Working as a project manager in the ClearCase environment Leveraging new ClearCase MultiSite and ClearQuest
technologies to full advantage Using the new ClearCase Remote Client to access centralized repositories across WANs Monitoring
ClearCase and tuning it for maximum performanceThis book is valuable for everyone concerned with SCM: developers who wantSCM to be
as intuitive and convenient as possible; project managers and technical leaders who must efficiently manage change; tools engineers; even
IT managersevaluating SCM technologies. © Copyright Pearson Education. All rights reserved.
Software Configuration Management Strategies and IBM® Rational®
ClearCase® Second Edition A Practical Introduction
By David E. Bellagio, Tom J. Milligan
...............................................
Publisher: Addison Wesley Professional
Pub Date: May 23, 2005
Print ISBN: 0-321-20019-5
Pages: 384
Table of Contents | Index
Copyright
Praise for Software Configuration Management Strategies and IBM® Rational® ClearCase®, Second Edition: A Practical Introduction
IBM Press
WebSphere Books
On Demand Computing Books
More Books from IBM Press
DB2® Books
Acknowledgments
About the Authors
David E. Bellagio
Tom Milligan
Preface to the Second Edition
What This Book Is About
What You Need to Know Before Reading This Book
Who You Are and Why You Should Read This Book
How the Book Is Laid Out
Conventions Used
Chapter 1. What Is Software Configuration Management?
Section 1.1. SCM Best Practices
Section 1.2. SCM Tools and SCM Process
Section 1.3. Summary
Chapter 2. Growing into Your SCM Solution
Section 2.1. Dealing with Changing Project Requirements
Section 2.2. Evolution of SCM Tools
Section 2.3. Summary
Chapter 3. An Overview of the Unified Change Management Model
Section 3.1. What Is UCM?
Section 3.2. The Value of UCM
Section 3.3. What Is ClearCase?
Section 3.4. What Is ClearQuest?
Section 3.5. ClearCase UCM Process Overview
Section 3.6. The Architect: Defining the Implementation Model
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Section 3.7. The Configuration Manager: Setting Up the SCM Environment
Section 3.8. The Project Manager: Managing a Project
Section 3.9. The Developer: Joining a Project and Doing Development
Section 3.10. The Integrator: Integration, Build, and Release
Section 3.11. Summary
Chapter 4. A Functional Overview of ClearCase Objects
Section 4.1. The Repository: Versioned Object Base
Section 4.2. Workspaces: Snapshot and Dynamic Views
Section 4.3. Project Management: Projects, Streams, and Activities
Section 4.4. Versioned Objects: Elements, Branches, and Versions
Section 4.5. Component Management: Components and Baselines
Section 4.6. Process: Labels, Attributes, Hyperlinks, Triggers
Section 4.7. Building: Clearmake, Derived Objects, Configuration Records
Section 4.8. Summary
Chapter 5. Establishing the Initial SCM Environment
Section 5.1. ClearCase Architecture Basics
Section 5.2. ClearCase Hardware Resource Requirements
Section 5.3. Monitoring and Tuning for ClearCase Performance
Section 5.4. Defining the Implementation Model
Section 5.5. Creating the VOBs
Section 5.6. Baseline Promotion Levels
Section 5.7. Summary
Chapter 6. Project Management in ClearCase
Section 6.1. What Is a ClearCase Project?
Section 6.2. Creating a ClearCase Project
Section 6.3. Summary
Chapter 7. Managing and Organizing Your ClearCase Projects
Section 7.1. Coordinating Multiple Parallel Releases
Section 7.2. Organizing Large Multiproject Development Efforts
Section 7.3. Coordinating Cooperating Projects: Independent Components
Section 7.4. Coordinating Cooperating Projects: Shared Components
Section 7.5. Coordinating IS/IT Development Projects
Section 7.6. Coordinating Documentation Projects or Small Teams
Section 7.7. Summary
Chapter 8. Development Using the ClearCase UCM Model
Section 8.1. A Developer's Perspective of UCM
Section 8.2. Working on a Project
Section 8.3. Making Changes
Section 8.4. Delivering Changes to the Project
Section 8.5. Rebasing Your Development Stream
Section 8.6. Dealing With Conflicting Changes
Section 8.7. Seamlessly Integrating with Developer's IDE
Section 8.8. Summary
Chapter 9. Integration
Section 9.1. Software Integration
Section 9.2. Isolation and Integration with ClearCase
Section 9.3. Summary
Chapter 10. Building, Baselining, and Release Deployment
Section 10.1. Baselining and Building with UCM
Section 10.2. Staging, Deployment, and Release
Section 10.3. Summary
Chapter 11. Geographically Distributed Development
Section 11.1. Distributed Development Challenges
Section 11.2. How ClearCase Supports Distributed Development
Section 11.3. Multiple Teams: Producer/Consumer Scenario
Section 11.4. Multiple Teams: Shared Source Code Scenario
Section 11.5. Single Team: Distributed Members Scenario
Section 11.6. Other Uses for ClearCase MultiSite
Section 11.7. Summary
Chapter 12. Change Request Management And Clearquest
Section 12.1. What Is Change Request Management?
Section 12.2. What Are Change Requests?
Section 12.3. The Change Request Management Process
Section 12.4. What Is ClearQuest?
Section 12.5. How Do I Use ClearQuest Data?
Section 12.5.3. Charts
Section 12.6. How Does ClearQuest Support UCM?
Section 12.7. ClearQuest MultiSite
Section 12.8. Summary
Appendix A. Redoing and Undoing Change Sets with UCM
Section A.1. Location of Script
Section A.2. Limit Script Use to Integrator Role
Section A.3. Script Interface
Section A.4. Why Is This Useful?
Section A.5. Redoing an Activity on Another Stream
Section A.6. Undoing a Delivery or Activity
Glossary
Bibliography
Index
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Copyright
The authors and publisher have taken care in the preparation of this book, but make no expressed
or implied warranty of any kind and assume no responsibility for errors or omissions. No liability is
assumed for incidental or consequential damages in connection with or arising out of the use of the
information or programs contained herein.
© Copyright 2005 by International Business Machines Corporation. All rights reserved.
Note to U.S. Government Users: Documentation related to restricted right. Use, duplication, or
disclosure is subject to restrictions set forth in GSA ADP Schedule Contract with IBM Corporation.
IBM Press Program Manager: Tara Woodman, Ellice Uffer
IBM Press Consulting Editor: David West
Cover design: IBM Corporation
Published by Pearson plc
Publishing as IBM Press
Library of Congress Number: 200523397
IBM Press offers excellent discounts on this book when ordered in quantity for bulk purchases or
special sales, which may include electronic versions and/or custom covers and content particular to
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Rational, IBM, the IBM logo, and IBM Press. Java and all Java-based trademarks are trademarks of
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All rights reserved. This publication is protected by copyright, and permission must be obtained
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First printing, May 2005
Dedications
To my wife, Laura
Dave
To my wife, Maren
Tom
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Praise for Software Configuration
Management Strategies and IBM®
Rational® ClearCase®, Second Edition: A
Practical Introduction
"I wrote that the first edition of this book "communicates much of the experience, wisdom,
and insight that was acquired along the way to discovering what [SCM] best practices are and
how to implement/deploy them." The second edition is full of even more practical experience!
It not only refines and expands upon earlier strategies and best practices, it also contains
even more concrete "how-to" information about implementing and deploying them."
Brad Appleton co-author of Software Configuration Management Patterns: Effective
Teamwork, Practical Integration
"Read this book when you're getting started with configuration management (CM); read it
again in six months and once more two years later. Software Configuration Management
Strategies and IBM Rational ClearCase goes beyond the basics to provide a coherent review of
CM strategies for projects of all sizes and complexities."
Jennie Brown, CM Specialist IBM Corporation
"This book covers practical software configuration management (SCM), ClearCase UCM and
ClearCase use for project teams. Every project lead and SCM specialist should (re)read this
book before starting a project."
Roger Jarrett, Senior Software Engineer IBM Rational Software
"This second edition captures vital Unified Change Management (UCM) features and concepts.
It brings the entire UCM feature set full circle and lays the ground work for a successful UCM
implementation; Bellagio and Milligan continue where the first edition left off. The inclusion of
composite baseline concepts, single stream development, performance tuning, and other
features and concepts make this the core of any old or new Unified Change Management
implementation.
It is rare that a second edition of a book can hold your interest like the first. This publication
does just that…this continues to be the standard for users interested in Unified Change
Management deployment."
Adam Levensohn, Manager IBM Rational Software
IBM Press
WebSphere Books
On Demand Computing Books
More Books from IBM Press
DB2® Books
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Acknowledgments
The authors of this second edition would like to first thank Brian White, who did the heavy lifting
involved with creating the first edition of this book and who was instrumental in providing the
opportunity for us to contribute to this second edition. Thanks also go to the host of co-workers and
customers who over the years have contributed to our greater understanding of the principles of
SCM, the functioning of the products, and what SCM strategies work and which ones don't. Most
notable among these are Ralph Capasso, Stef Schurman, Ryan Sappenfield, Rob Budas, Harry
Abadi, Peter Hack, and George Moberly. Our long-suffering and ever-patient editors at AddisonWesley, Mary O'Brien and Chris Zahn, deserve many thanks as well. We would also like to thank
our families for their long sufferings during this process.
Those individuals who were instrumental in our first exposure and opportunities with ClearCase
also deserve many thanks: Scott Elmenhurst, Denis LeBlanc, John Leary, David Crawford, Marsha
Shehan, and Doug Fierro.
Much of the material new to this edition comes directly from the experience of the Rational field
teams in engagement with customers using ClearCase and UCM. Some of those folks we would like
to thank for their efforts in fleshing out strategies that work with many of our larger customer
needs are Samit Mehta, Mike Nellis, Ana Giordano, Kartik Kanakasabesan, Daniel Diebolt, Jennie
Brown, and Bryan Miller.
Special thanks to these people who put in the time to review this book and provide comments to
help make the reading experience more enjoyable: Adam Levensohn, Brad Appleton, Darryl Hahn,
Dennis Brown, Jennie Brown, Jim Tykal, and Roger Jarrett.
Finally, our thanks go out to everyone at IBM, Rational Software who keep ClearCase and UCM
efforts moving forward. Keep up the good work.
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About the Authors
David E. Bellagio
Tom Milligan