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The Greening of IT: How Companies Can Make a Difference for the Environment Paperback – Apr 27 2009
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From the Back Cover
How IT Can Drive Immense Business Value by “Going Green
- For CEOs, CIOs, CFOs, and IT leaders: The green IT business case and best practices for making it happenTimely help for companies facing rising energy costs, new government rules, and growing public concernPowerful new insights from IBM's breakthrough $1 billion green computing initiative
Chances are your enterprise IT organization has a significant carbon footprint. In an era of unpredictable energy costs, reducing energy usage throughout your data centers and IT infrastructure represents a powerful cost-cutting opportunity. Now, a top green IT expert shows business and IT leaders how to drive powerful business value by improving IT's environmental performance.
Drawing on leading-edge experience, John Lamb helps you realistically assess the business case for green IT, set priorities, and overcome the internal and external challenges to making it work. He offers proven solutions for issues ranging from organizational obstacles to executive motivation and discusses crucial issues ranging from utility rate incentives to metrics. Along the way, you'll discover energy-saving opportunities—from virtualization and consolidation to cloud and grid computing—and solutions that will improve business flexibility as they reduce environmental impact.
Lamb presents case studies, checklists, and more—all the practical guidance you need to drive maximum bottom-line value from your green IT initiative.
About the Author xxxiii
Chapter 1: The Importance of Green IT 1
Chapter 2: The Basics of Green IT 15
Chapter 3: Collaboration Is Key for Green IT 39
Chapter 4: The Government's Role-Regulation and EPA Activity 55
Chapter 5: The Magic of “Incentive-The Role of Electric Utilities 69
Chapter 6: A Most-Significant Step-“Virtualizing Your IT Systems 85
Chapter 7: The Need for Standard IT Energy-Use Metrics 109
Chapter 8: What About Chillers, Cooling Tower Fans, and All That Cooling Equipment Usually Ignored by IT? 129
Chapter 9: Green IT Case Studies for Energy Utilities 147
Chapter 10: Green IT Case Studies for Universities and a Large Company 157
Chapter 11: Worldwide Green IT Case Studies 183
Chapter 12: The Future of Green IT for Corporations 205
Appendix A: Green IT Checklist and Recommendations 215
Appendix B: Green IT and Cloud Computing 237
Appendix C: Comparison of Different Power-Generation Methods 251
Appendix D: Worldwide Electricity Costs for IT with Projections 281
About the Author
John Lamb is a Senior Technical Staff Member for IBM Global Business Services in Somers, New York. He is an IBM Senior Certified IT Architect, and he holds a B.A. degree from the University of Notre Dame and a Ph.D. in engineering science from the University of California at Berkeley. He is a senior member of the IEEE and ASME engineering societies. He has published more than 50 technical papers and articles and has coauthored four books, including Lotus Notes ® and Domino ® 5: Scalable Network Design (McGraw-Hill, 1999) and IBM WebSphere ® and Lotus: Implementing Collaborative Solutions (Prentice-Hall, 2004).
Top Customer Reviews
A must read for Executives and IT Professional to recognize monitory benefits while saving the planet.
Most Helpful Customer Reviews on Amazon.com (beta)
reading his book, "The Greening of IT." This book provides a welcome relief from the
many books that center around virtualization as the panacea for energy utilization. While
"The Greening of IT" does have virtualization as one of the steps required for lowering
energy utilization, it takes an engineering approach. He says, "This book provides details
on the importance of implementing green IT....and especially the case studies for
`lessons learned' and the best practice approaches for implementing green IT."
Dr. Lamb provides a global view of Green IT. This is appreciated as he puts
Green IT in a world-wide perspective, detailing why we need to save energy. The global
view of Green IT continues by placing it squarely in the roadmap for "reducing
greenhouse gases which, in turn, can help reduce global warming," a goal for both the
United Nations (UN) as well as the White House.
Throughout the book are sprinkled engineering explanations such as the
difference between volts, watt, amps, KWHs and voltage levels. As another example, Dr.
Lamb's explanation of "Data Center Cooling Basics" clarifies HVAC systems, the
cooling equipment, and new technology (such as stored cooling, thermal storage systems,
and phase change materials.
Dr. Lamb uses IBM's 5-step program for datacenter efficiency: diagnose,
manage and measure, use energy-efficient cooling, virtualize, and build new or upgrade
facilities when feasible.
Then there are two sections which I have not found in other books: (1) tuning
your applications to require less CPU and (2) Greening your laptop. Tuning applications
often does not happen as we virtualize applications and consolidate them rather than
looking inside the application to use less CPU. Many applications can be tuned to use
25% less hardware then today, however, requires time as the original application
developer is usually not still employed by the corporation. Greening our laptops is a
good idea as well and is a great step to helping use less energy. Dr. Lamb gives the
instructions in his book for Power Management Features and provides the option of
utilizing a thin client PC for corporations as well. (Maybe PROFS will come back, the
original thin client application by IBM, known either as Professional Office System or
PF Keys Rigidly On Freakish Settings).
Dr. Lamb's section on collaboration is interesting as it discusses the need for IT
vendors to "integrat(e) their hardware, software, and services" to help customers improve
their energy initiatives. Further, there is a good overview of IBM's energy monitoring
programs as well. The part where Dr. Lamb allows himself to go back to more
engineering-related topics where is really interesting. The chapter on "The Magic of
`Incentive' -- The Role of Electric Utilities" and "PG&E Lead Utility Energy Efficiency
Coalition" of the impact of energy companies on the Greening of IT and available
incentive programs. This type of explanation, looking outside the typical datacenter and
to the energy companies, was new to me.
The section on virtualization is made more interesting by the SPEC metrics for
virtual servers. Note that older frame's utilization is not tied to their power consumption.
Newer, greener frames use more power as the utilization rises. What is not covered here,
however, is the re-platforming of servers from, for example, a system p environment to a
system z environment. IBM Enterprise Computing Model (ECM) has re-platformed
hundreds of pSeries LPARs into a z/Linux box and reduced all costs as well as lowered
energy utilization. Maybe Dr. Lamb will put that in his next book.
In all, the 5-step approach for an "Energy Efficient Data Center" - Diagnose,
Build, Virtualize, Manage and Measure, and Cool - provides corporations a look at their
datacenter energy costs and find ways to improve their energy utilization and their
virtualization penetration. The emphasis on measurement throughout the book is very
important as Dr. Lamb provides methodologies for baselining (what to baseline) as well
as energy-measurement tools. The book ends with appendices and checklists to actually
do this work. This is not a theoretical book for anyone dealing with high energy costs, it
is a must-read to put a team in place to Go Green!
It was easy to compare the thinking of current IT infrastructure to where IT infrastructure needs to go as there were plenty of tables or web links to illustrate the efficiencies gained using a greener approach. The main drawback to using external links is that they may not be available by the time the book is published. A website with updates would be a good idea - the free online edition is only a 45 day trial.
Some of the newer technologies made it into the book, but I did not see some of the others - for example Flywheel UPS (although flywheels have been around a long time). Fuel Cell backup power did rate a mention as an emerging technology.
Some more discussion on Computer Room efficiencies and the maximum limits of under floor cooling to handle the newer high density racks based on air flow limits would have been a good addition. This is certainly not a negative because there is only so much that you can cover in a general book.
A few illustrations were a little too small or did not have enough contrast for easy viewing in a black and white publication (example Fig. 11.3, and 11.4 which is a thermal camera image and better suited to color), but did not detract from the material being presented. I am assuming the choice of black and white was driven by the desire for a Kindle version, as well as the extra printing costs needed for color.
As mentioned a lot of external links to extra information were provided, and overall a great snapshot of the current thinking related to the Greening of IT. Naturally with the author being an IBM person there was good coverage of IBM technologies - but there was more than enough coverage of non-IBM solutions so this was not a problem. I recommend this book for both the technical and non-technical reader as the material worked at both levels.
I am an IT Professional working on a large project in South Africa, where energy is the major expense. This book elaborate on how companies can implement Green IT. Save Money and Save the Planet !!!
I like the structure of the book and Dr. Lamb's presentation style. He uses a clear, concise and simple language to introduce the key topics in Green IT. Very aptly, the book starts with the need for Green IT and the basic elements of Green IT. Importance of `green data centers' is also explained. Being from the prior background of measurements and metrics in quality assurance, I most enjoyed reading the chapter on `energy use metrics' (Chapter 7). Energy efficiency rating explained is Chapter 5, makes interesting reading. The repertoire of rich cases studies provide on the various implementation aspects of Green IT is the crowning glory of the book (Chapter 9, Chapter 10 and Chapter 11). Dr. Lamb has brought for the significance of `cloud computing' in view of `Green' in Appendix B - as a Green IT researcher I find that most useful for my work. All the appendices of the book contain extremely useful information. For example - Energy engineers would appreciate Appendix C in which various methods of power generation are presented. IT professionals would read with great interest Appendix D where projection on worldwide costs for IT is presented. The Green IT checklist in Appendix A of the book is a useful tool for auditors. Electricity usage in global data centers is also explained in the same appendix. The book is published by IBM press and it is a well known that IBM is a leader in green IT space; for those are interested in comparisons with other IT giants would read with keen interest Green computing information about HP and Sun.
All in all, this is a `must have' reading material for those working in the Green IT space. I'd highly recommend this book by Dr. Lamb, to all speakers, writers as well researchers in the domain.
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