Green IT for Dummies®

Green IT for Dummies®

by Carol Baroudi, Jeffrey Hill, Arnold Reinhold, Jhana Senxian
Released April 2009
Publisher(s): For Dummies
ISBN: 9780470386880

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Book description

Green technology is not only good for the environment; it’s also good for your bottom line. If your organization is exploring ways to save energy and reduce environmental waste, Green IT For Dummies! can help you get there.

This guide is packed with cost-saving ways to make your company a leader in green technology. The book is also packed with case studies from organizations that have gone green, so you can benefit from their experience. You’ll discover how to:

  • Perform an energy audit to determine your present consumption and identify where to start greening

  • Develop and roll out a green technology project

  • Build support from management and employees

  • Use collaboration tools to limit the need for corporate travel

  • Improve electronic document management

  • Extend hardware life, reduce data center floor space, and improve efficiency

  • Formalize best practices for green IT, understand your company’s requirements, and design an infrastructure to meet them

  • Make older desktops and lighting fixtures more efficient with a few small upgrades

  • Lower costs with virtual meetings, teleconferences, and telecommuting options

  • Reduce your organization’s energy consumption

You’ll also learn what to beware of when developing your green plan, and get familiar with all the terms relating to green IT. Green IT For Dummies starts you on the road to saving money while you help save the planet.

Table of contents

  1. Copyright
  2. About the Author
  3. Author's Acknowledgments
  4. Publisher's Acknowledgments
  5. Introduction
    1. About This Book
    2. Conventions Used in This Book
    3. Foolish Assumptions
    4. How This Book Is Organized
      1. Part I: Understanding the World of Green IT
      2. Part II: Getting a Running Start
      3. Part III: Greening the Data Center
      4. Part IV: Greening the Office
      5. Part V: Greening the Organization
      6. Part VI: The Part of Tens
      7. Appendix
    5. Icons Used in This Book
    6. Where to Go From Here
  6. I. Understanding the World of Green IT
    1. 1. Win-Win Winning with Green IT
      1. 1.1. We're Talking to You
      2. 1.2. Recognizing the Basic Green Concepts
      3. 1.3. Green and IT — A Good Fit
      4. 1.4. Embracing Trendy Hooey
        1. 1.4.1. Looking beyond cost savings
        2. 1.4.2. Getting the good will of partners, customers, and employees
        3. 1.4.3. Focusing on the triple bottom line
      5. 1.5. Greening the IT Ecosystem
      6. 1.6. A Perfect Storm: Why Green IT Now
        1. 1.6.1. Knowing the green business drivers
        2. 1.6.2. Recognizing environmental drivers
        3. 1.6.3. Feeling the governmental pressures
          1. 1.6.3.1. Registration, Evaluation, Authorization, and Restriction of Chemicals (REACH)
          2. 1.6.3.2. RoHS
          3. 1.6.3.3. Cap and Trade Legislation
      7. 1.7. Staying the Course: The Do's and One Don't of Going Green
        1. 1.7.1. Do remember the big picture
        2. 1.7.2. Do have a champion and a team leader
        3. 1.7.3. Do measure so you can manage
        4. 1.7.4. Do talk about it!
        5. 1.7.5. Do remember the community
        6. 1.7.6. Don't tell green lies!
      8. 1.8. What to Green Now and Later
        1. 1.8.1. Evaluating your starting point
        2. 1.8.2. Communicating a can-do green attitude
        3. 1.8.3. Greening office culture
        4. 1.8.4. Plucking the low-hanging fruit
        5. 1.8.5. Cultivating green education and communication
        6. 1.8.6. Innovating through the supply chain
    2. 2. Making the Business Case for Green IT
      1. 2.1. Growing Policies for Change
      2. 2.2. Profiting from Greener Practices
        1. 2.2.1. Rising cost of electricity
        2. 2.2.2. Lowering energy bills
        3. 2.2.3. Containing IT
        4. 2.2.4. Reducing paper and ink costs
          1. 2.2.4.1. Electronic documents (and signatures) to the rescue
          2. 2.2.4.2. Don't print that file
          3. 2.2.4.3. Note it electronically
        5. 2.2.5. Cutting down on travel expenses
        6. 2.2.6. Collaborating over the Web
      3. 2.3. Embracing Less Tangible (But Very Real) Benefits
        1. 2.3.1. Closer integration of business divisions
        2. 2.3.2. Optimized performance and cost effectiveness
        3. 2.3.3. Enhanced employee attraction and retention
        4. 2.3.4. Greater appeal to customers and business partners
      4. 2.4. Conserving Natural Resources
        1. 2.4.1. Shrinking landfills
        2. 2.4.2. Controlling or avoiding landfills
      5. 2.5. Balancing Your Consumption with Carbon Offsets
      6. 2.6. Getting Ahead of the Regulations
    3. 3. Green Journeys in Action
      1. 3.1. Big Blue Goes Green
        1. 3.1.1. Establishing the track record
        2. 3.1.2. Keeping the commitment
      2. 3.2. Twenty-Five Percent by 2012: Cisco Takes the Challenge
      3. 3.3. RackForce Rents Green Machines
      4. 3.4. Being Green On Line in Brazil
  7. II. Getting a Running Start
    1. 4. Getting to Know the Standards and Metrics
      1. 4.1. Melding Emerging Standards with IT Practices
        1. 4.1.1. Voluntary today; mandated tomorrow
        2. 4.1.2. Taking continuous measurement
      2. 4.2. Reviewing Established and Emerging Standards
        1. 4.2.1. Leading the way with the EPA Energy Star
          1. 4.2.1.1. Current end-user computer specifications
          2. 4.2.1.2. Upcoming data center specifications
          3. 4.2.1.3. Using Energy Star in your green decision making
        2. 4.2.2. RoHS is rolling away the nasties
        3. 4.2.3. WEEE wants waste winnowed
        4. 4.2.4. ASHRAE CRACs down on overcooling
        5. 4.2.5. EPEAT products won't deplete
        6. 4.2.6. NEC sets the ground rules
        7. 4.2.7. LEED leads to less loss
        8. 4.2.8. SpecPower tackles servers
        9. 4.2.9. EU Code of Conduct for Data Centers
        10. 4.2.10. EPA and DOE partner for improved efficiency
        11. 4.2.11. The Green Grid unites for green
      3. 4.3. Advocacy Rating Organizations
    2. 5. Assessing Your Current Energy Use and Needs
      1. 5.1. Understanding Energy Jargon
        1. 5.1.1. Powering up: Watts that all about?
        2. 5.1.2. Checking out common units of measure
        3. 5.1.3. Speaking electrical jargon
      2. 5.2. Auditing Your Building for Energy Use
        1. 5.2.1. Starting with your electric bill
        2. 5.2.2. Checking your power meter
        3. 5.2.3. Reconciling consumption with devices
      3. 5.3. Considering Policy-Based Management
      4. 5.4. Looking for Efficiencies
        1. 5.4.1. Choosing an efficient chip configuration
        2. 5.4.2. The un-cool cost of cooling
        3. 5.4.3. Powering the chip
        4. 5.4.4. Getting all the power you pay for
        5. 5.4.5. Tapping into the smart grid
        6. 5.4.6. Generating power more efficiently
        7. 5.4.7. Peak-shaving to even loads and save money
        8. 5.4.8. Reducing embedded energy
      5. 5.5. Managing Energy's Waste: Carbon Reduction Options
        1. 5.5.1. Understanding the carbon cycle
        2. 5.5.2. Measuring carbon
        3. 5.5.3. Traditional power sources and carbon
          1. 5.5.3.1. Coal
          2. 5.5.3.2. Natural gas
          3. 5.5.3.3. Oil
        4. 5.5.4. Buying carbon-free electricity
          1. 5.5.4.1. Hydro
          2. 5.5.4.2. Nuclear
          3. 5.5.4.3. Biomass
          4. 5.5.4.4. Wind
          5. 5.5.4.5. Solar
        5. 5.5.5. Balancing consumption with offsets
    3. 6. Go Green in 12 Months: Putting Together a Plan
      1. 6.1. Recognizing Your Mandate
        1. 6.1.1. Where do you sit in your organization's power structure?
        2. 6.1.2. Where does your organization stand on green concerns?
        3. 6.1.3. Is IT management supportive of your green interests?
        4. 6.1.4. Can IT coordinate its green plans with corporate efforts?
      2. 6.2. Establishing a Baseline
        1. 6.2.1. Figuring facility power usage
        2. 6.2.2. Measuring IT power and equipment utilization
        3. 6.2.3. Data centers consume (and expel) more than power
        4. 6.2.4. Mapping the land mines
      3. 6.3. Picking a Direction for Starting
        1. 6.3.1. Chilling on cooling systems
        2. 6.3.2. The virtue of virtualizing
        3. 6.3.3. Configuring office desktops for sleep
        4. 6.3.4. Eliminating unused or grossly underutilized resources
        5. 6.3.5. Retiring hardware the green way
        6. 6.3.6. Buying green
        7. 6.3.7. Making them pay — or at least be aware
        8. 6.3.8. New data center planning
        9. 6.3.9. Spreading the word
        10. 6.3.10. Looking at the larger organization
      4. 6.4. Looking Beyond the One-Year Time Horizon
  8. III. Greening the Data Center
    1. 7. Laying the Foundation for Green Data Management
      1. 7.1. Formalizing Best Practices for Green IT
      2. 7.2. Understanding Information Lifecycle Management
      3. 7.3. Using Tiered Storage Architecture
      4. 7.4. Outsourcing: Going Greener with Hosted Data Center Services
        1. 7.4.1. Storage for long-term (Tier 5) data
        2. 7.4.2. Disaster recovery and business continuity (Tier 4) applications and data
        3. 7.4.3. Data center replication
        4. 7.4.4. Emergency notification services
        5. 7.4.5. Co-locating data centers
    2. 8. Maximizing Data Center Efficiency
      1. 8.1. Choosing the Right Location
        1. 8.1.1. Green power
        2. 8.1.2. Free cooling
        3. 8.1.3. Water power
        4. 8.1.4. District cooling
        5. 8.1.5. Waste heat recycling
        6. 8.1.6. Energy storage possibilities
        7. 8.1.7. Microclimate
        8. 8.1.8. Brown field siting
        9. 8.1.9. Global warming effects
      2. 8.2. Planning Your Data Center for Green Efficiency
        1. 8.2.1. Raised floors versus solid
        2. 8.2.2. Variable speed drives
        3. 8.2.3. Power distribution
        4. 8.2.4. Holding up those servers
        5. 8.2.5. Thermal density
        6. 8.2.6. Buying performance per watt
        7. 8.2.7. AC versus DC
        8. 8.2.8. Assessing power supply efficiency
        9. 8.2.9. Redundancy needs versus efficiency
      3. 8.3. Consolidating the Physical Infrastructure
        1. 8.3.1. Servers and storage
        2. 8.3.2. Rack space and floor space
      4. 8.4. Measuring and Maintaining Data Center Efficiency
        1. 8.4.1. Power usage effectiveness (PUE)
        2. 8.4.2. Data center Infrastructure Efficiency (DCiE)
        3. 8.4.3. Power cost at the equipment rack
        4. 8.4.4. Temperature and humidity
        5. 8.4.5. Free cooling performance
        6. 8.4.6. Average system life
        7. 8.4.7. Green certifications
    3. 9. Racking Up Green Servers
      1. 9.1. It's Not Easy Being Green: Dissecting a Server's Core
        1. 9.1.1. The anatomy of a server
        2. 9.1.2. The search for greener servers
      2. 9.2. Some Are Greener Than Others: Comparing Server Form Factors
      3. 9.3. Serving Up Green Power with BladeServers
      4. 9.4. Managing Servers for Energy Efficiency
        1. 9.4.1. The complexity of measuring server "greenness"
        2. 9.4.2. Achieving more precise measurement techniques
        3. 9.4.3. MIPs and FLOPs: Understanding performance per watt
        4. 9.4.4. Power-capping to cut waste
    4. 10. Cooling Your Data Center
      1. 10.1. Improving Data Center Cooling Takes Planning
      2. 10.2. What Makes Your Data Center Hot?
      3. 10.3. Understanding the Basics of Cooling Systems
      4. 10.4. Benchmarking Your Cooling System's Efficiency
      5. 10.5. Green Is Cool: Getting the Most Out of Your Cooling System
        1. 10.5.1. Restyling your aisles
        2. 10.5.2. Adding in-row cooling
        3. 10.5.3. Getting your ducts in a row: Targeting airflow
        4. 10.5.4. Plugging leaks
        5. 10.5.5. Finding your hot spots
        6. 10.5.6. Setting and maintaining the right temperature
        7. 10.5.7. Free (almost) cooling
        8. 10.5.8. Tapping into liquid cooling: The pros and cons
        9. 10.5.9. Chilling at the heat source
        10. 10.5.10. Reduce, reuse, recycle: Using waste heat
    5. 11. Building a Green Storage System
      1. 11.1. Exploring Green Storage Gear
        1. 11.1.1. RAID Arrays: Necessary but not necessarily green
        2. 11.1.2. Enlisting MAID for power savings
      2. 11.2. Tackling Storage Sprawl
        1. 11.2.1. Identifying contributors to storage sprawl
        2. 11.2.2. Minimizing storage sprawl
      3. 11.3. Cutting Fat, Part I: Data Deduplication
      4. 11.4. Cutting Fat, Part II: Thin Provisioning
        1. 11.4.1. Introducing how thin provisioning works
        2. 11.4.2. Applying thin provisioning to your storage system
      5. 11.5. Backing Up More with Less
        1. 11.5.1. The basics of tape
        2. 11.5.2. Alternatives to tape
          1. 11.5.2.1. Hard drive
          2. 11.5.2.2. Local network storage or public network (Internet) storage
          3. 11.5.2.3. Blu-ray disc
          4. 11.5.2.4. CD or DVD
          5. 11.5.2.5. USB drive or flash drive
          6. 11.5.2.6. Optical disc
    6. 12. Grooming the Network for Green
      1. 12.1. Power-Hungry Networks
      2. 12.2. Greater, Greener Network Efficiency
        1. 12.2.1. Wandering around with wireless
        2. 12.2.2. Keeping your network consistent
        3. 12.2.3. Doing more with less
        4. 12.2.4. Power over Ethernet (PoE)
      3. 12.3. Heading Toward a Greener Internet
        1. 12.3.1. Optimizing with optical technology
        2. 12.3.2. Creating an energy-efficient Ethernet
      4. 12.4. Conserving Resources with Networks
    7. 13. Using Virtualization
      1. 13.1. Understanding Virtualization
        1. 13.1.1. Virtual memory turns into virtualization
        2. 13.1.2. Where's the green in virtualization?
        3. 13.1.3. Three kinds of virtualization
        4. 13.1.4. Consolidating applications on virtual servers
      2. 13.2. Building a Virtual Infrastructure
        1. 13.2.1. Understanding application requirements
        2. 13.2.2. Hunting down underused servers
        3. 13.2.3. Building virtual machines on target servers
        4. 13.2.4. Testing the virtualized application
        5. 13.2.5. Replacing physical servers with virtual servers
          1. 13.2.5.1. Rev up the the virtual server
          2. 13.2.5.2. Reuse or recycle the replaced server
      3. 13.3. Enabling Virtual Disaster Recovery
        1. 13.3.1. Exploring the financial and green benefits
        2. 13.3.2. Replacing physical tape with virtual tape
  9. IV. Greening the Office
    1. 14. Moving to Green Screens and Computing Machines
      1. 14.1. Computer Purchasing Policies
        1. 14.1.1. Adding green ideas to bulk purchasing
        2. 14.1.2. Greening decentralized purchasing
        3. 14.1.3. Making standards matter
        4. 14.1.4. Going green with what you have
        5. 14.1.5. Lengthening machine life with Linux
      2. 14.2. Embracing Energy Efficiency
        1. 14.2.1. How do computers consume power?
        2. 14.2.2. Wishing on Energy Star
      3. 14.3. Looking Beyond the Star
      4. 14.4. Finding Green Desktop Machines
        1. 14.4.1. Sifting through Energy Star's Web site
        2. 14.4.2. Diving into the EPEAT registry
        3. 14.4.3. Tapping the source
      5. 14.5. Finding Greener Monitors
    2. 15. Reducing Desktop Energy Waste
      1. 15.1. Reducing Current Consumption (Pun Intended)
      2. 15.2. Saving Energy While You Sleep
        1. 15.2.1. Waking up alert
        2. 15.2.2. Automating sleep
        3. 15.2.3. Using software to manage sleep habits
        4. 15.2.4. Avoiding troubled sleep
        5. 15.2.5. Letting sleeping Macs lie
        6. 15.2.6. Disk encryption never sleeps
      3. 15.3. Figuring the Energy Consumed by Physical Desktop Computing
      4. 15.4. Reducing Consumption through Desktop Virtualization
        1. 15.4.1. Comparing terminals, stateless clients, and thin clients to PCs
        2. 15.4.2. Using terminal server, RDP, and remote desktops
      5. 15.5. Utilizing Desktops on a Flash Drive
    3. 16. Pursuing the Less-Paper Office
      1. 16.1. Choosing Printers, Paper, and Ink
        1. 16.1.1. Checking out printer specs
        2. 16.1.2. Considering ink and toner
        3. 16.1.3. Print, fax, fold, spindle, and mutilate: The multifunction device
        4. 16.1.4. Buying based on your needs
        5. 16.1.5. Picking greener paper
      2. 16.2. Changing Printing Habits
        1. 16.2.1. Inconvenient printing
        2. 16.2.2. Defaulting to duplex
        3. 16.2.3. Presenting PowerPoints without printouts
      3. 16.3. Switching to Digital Documents
        1. 16.3.1. Handling contracts with digital signatures
        2. 16.3.2. Improving data security
        3. 16.3.3. Putting the E in forms
        4. 16.3.4. Scanning to reduce facilities costs and labor
    4. 17. Evaluating Green Gadgetry
      1. 17.1. Powering Gadgets Intelligently
        1. 17.1.1. Considering green chargers
        2. 17.1.2. Using rechargeable batteries
        3. 17.1.3. Recycling batteries
        4. 17.1.4. Powering gadgets off-grid
      2. 17.2. Computing Green on the Go
        1. 17.2.1. Advantages of laptops
        2. 17.2.2. Getting by with less
        3. 17.2.3. Netbooks versus laptops
        4. 17.2.4. Smartphones catch up
        5. 17.2.5. Off-grid computing
      3. 17.3. Greening the Data Center with Gadgets
        1. 17.3.1. On-site power generation
          1. 17.3.1.1. Solar roof
          2. 17.3.1.2. Small wind turbines
          3. 17.3.1.3. Roof-mounted wind turbines — maybe not
        2. 17.3.2. Passive solar
        3. 17.3.3. Smart power strips
      4. 17.4. Grabbing Greening Tools
        1. 17.4.1. Thermometers
        2. 17.4.2. Humidity gauge
        3. 17.4.3. Power meters
        4. 17.4.4. Data loggers
        5. 17.4.5. Infrared cameras
        6. 17.4.6. Diffraction gratings
  10. V. Greening the Organization
    1. 18. Greening the Facility
      1. 18.1. Lighting for Less
        1. 18.1.1. Lowering lighting's energy consumption
        2. 18.1.2. Upgrading ballasts
        3. 18.1.3. Lighting the way out with LED exit signs
        4. 18.1.4. Choosing green switches
        5. 18.1.5. Letting the sun shine in
        6. 18.1.6. Less is more
      2. 18.2. Landscaping the Sustainable Way
      3. 18.3. Improving the Indoor Environment
        1. 18.3.1. Setting the thermostat
        2. 18.3.2. Supplementing heat with solar
        3. 18.3.3. Minding indoor air and water quality
      4. 18.4. Recycling throughout the Office
        1. 18.4.1. Reducing and recycling water
        2. 18.4.2. Buying green
      5. 18.5. Using Greener Facilities Management and Security Systems
    2. 19. e-Waste Not, e-Want Not
      1. 19.1. Buying Wisely
      2. 19.2. Knowing What You've Got
      3. 19.3. Extending Lifecycles
        1. 19.3.1. Reassigning old equipment to new tasks
        2. 19.3.2. Donating machines to worthy causes
        3. 19.3.3. Reselling systems for profit
      4. 19.4. Recycling Safely and Legally
        1. 19.4.1. Taking advantage of take-backs
        2. 19.4.2. Finding a green recycler
        3. 19.4.3. Making a difference one person at a time
        4. 19.4.4. Protecting people who do the recycling
      5. 19.5. Disposing Safely and Legally
        1. 19.5.1. Batteries
        2. 19.5.2. Employee equipment
      6. 19.6. Data Security and Recycling
        1. 19.6.1. iPods, thumb drives
        2. 19.6.2. Making diskless machines usable
        3. 19.6.3. Dealing with dead drives
        4. 19.6.4. Destroying disk drives
        5. 19.6.5. Sanitizing laptops and other portable devices
          1. 19.6.5.1. Laptop security concerns
          2. 19.6.5.2. Disposing of all those other little gizmos
    3. 20. Virtually There: Collaboration Technologies for a Greener World
      1. 20.1. Virtually Yours
      2. 20.2. Collaborating for Fun and Profit
        1. 20.2.1. Ever-ready e-mail
        2. 20.2.2. Secure/managed file transfer
        3. 20.2.3. Web conferencing, WebEx, GoTo Meeting and Unyte
        4. 20.2.4. Unified communications
        5. 20.2.5. Vidddeeeoooo cccconnffffeerrrennnnnciiinnngg
        6. 20.2.6. Green document management
        7. 20.2.7. Tools in the cloud
        8. 20.2.8. Twitterific
        9. 20.2.9. Auspicious avatars
        10. 20.2.10. Getting on board your social network
      3. 20.3. Transcendental Telecommuting
        1. 20.3.1. Discovering telework
        2. 20.3.2. Knowing the tricks of the trade
          1. 20.3.2.1. Stay connected
          2. 20.3.2.2. Fully equip the remote employee
          3. 20.3.2.3. Make meetings count
          4. 20.3.2.4. Make good use of office space
      4. 20.4. Coveting Telepresence
  11. VI. The Part of Tens
    1. 21. Ten Organizations That Can Help with Green IT Objectives
      1. 21.1. Thinking and Planning Green
        1. 21.1.1. Alliance to Save Energy (ASE)
        2. 21.1.2. The Green Grid
        3. 21.1.3. The American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE)
        4. 21.1.4. The Global e-Sustainability Initiative (GeSI)
        5. 21.1.5. NetRegs
      2. 21.2. Buying Green
        1. 21.2.1. Climate Savers
        2. 21.2.2. Energy Star
        3. 21.2.3. Silicon Valley Toxics Coalition (SVTC)
      3. 21.3. Disposing Responsibly
        1. 21.3.1. The Electronics TakeBack Coalition
        2. 21.3.2. International Association of Electronics Recyclers (IAER)
        3. 21.3.3. Tech Soup Global
        4. 21.3.4. The Basel Action Network (BAN)
    2. 22. Ten Creative Computer Recycling Tips
      1. 22.1. Plan for Reuse
      2. 22.2. Set Up an Equipment Exchange Site on Your Intranet
      3. 22.3. Load Linux on Older PCs
      4. 22.4. Use Knoppix
      5. 22.5. Make Some Hot Carts
      6. 22.6. Use Old PCs for Bulletin Boards and Kiosks
      7. 22.7. Build an Old Media Center
      8. 22.8. Offer Older Computers to Employees
      9. 22.9. Equip a Disaster Recovery Center
      10. 22.10. Start a Computer Recycling Club
      11. 22.11. Run a Tag Sale
      12. 22.12. Find a Green Disposal Path for Equipment You Can't Reuse
    3. 23. Ten Tips for a Green Home Office
      1. 23.1. Buy Only What You Need
      2. 23.2. Corral Power Adaptors
      3. 23.3. Enable Power Management
      4. 23.4. Set Up for Natural Lighting
      5. 23.5. Use Energy Efficient Lighting
      6. 23.6. Try Solar Power
      7. 23.7. Manage the Shades
      8. 23.8. Buy Recycled Products
      9. 23.9. Save Good Printing Scrap
      10. 23.10. Dispose Old Equipment Properly
      11. 23.11. Make Your Home Green
    4. A. Consumption and Savings Worksheets
      1. A.1. Establishing a Baseline
        1. A.1.1. Floor space
        2. A.1.2. IT equipment
        3. A.1.3. Utility meter
        4. A.1.4. Power cost per kWh (kilowatt-hour)
        5. A.1.5. Chiller capacity
      2. A.2. Data Center Conditions Log Sheet
        1. A.2.1.
          1. A.2.1.1. Perimeter
          2. A.2.1.2. CRAC set points
          3. A.2.1.3. Outdoor conditions
          4. A.2.1.4. Computer room temperature distribution survey
      3. A.3. Calculating Facility Power from Two Meter Readings
      4. A.4. Estimating IT Power Consumption
        1. A.4.1. Server units
        2. A.4.2. Storage units
        3. A.4.3. Miscellaneous equipment
      5. A.5. Calculating PUE and DCiE
      6. A.6. PUE Scoring
      7. A.7. Quickie Watts Consumption
      8. A.8. Data Center Green Report Card

Product information

  • Title: Green IT for Dummies®
  • Author(s): Carol Baroudi, Jeffrey Hill, Arnold Reinhold, Jhana Senxian
  • Release date: April 2009
  • Publisher(s): For Dummies
  • ISBN: 9780470386880