Green IT at UW - University of...
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Toward sustainable technology solutions
for students, faculty and staff
Terry Gray, Ph.D. Associate VP, Technology Strategy
UW Information [email protected]
23 March 2011
Green IT at UW
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Agenda
● Green IT Problem 1: Resource use and disposal
● Green IT Problem 2: Energy consumption
● UW's Climate Action Plan
● Current UW-IT Plans for Sustainable Computing
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Why sustainability matters:• Energy costs• Cooling and energy
availability (blocking growth)• Concerns for the environment• Threats to public health
If we want to be part of the solution, we have to change the way we use power to reduce our impact on the environment
Green IT – Sustainable Computing
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E-disposal – a shame!
Disposed annually in U.S.• 40 million desktops and laptops• 32 million monitors• 140 million cell phones• 27 million televisions
2007: Over 3 million tons of E-waste disposal in US2011: Expected to quadruple
Source: EPA. Date from 2007
Green IT Problem 1: eWaste
Sustainable IT also reduces consumable and manufacturing waste
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Think about it:For every pound a computer weighs, there are more than 2.5 times as much weight in waste, and almost a pound-for-pound equivalent of toxic waste.
Serious health risks:• Arsenic• Beryllium• Cadmium• Lead• Mercury
Source: Campus Technology, "Green" New Year’s Resolution for IT Staff, 12/17/2003
eWaste Hazards
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eWaste Solutions
● Buying less or less often; sharing more● Using fewer materials in product● Responsible disposal● Recycling / re-use
Note: upgrading less often conflicts with goal of replacing older energy-inefficient equipment.
Should manufacturers be responsible for final disposition of products?
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0
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2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011
BillionkWh / year
Projected Data Center Energy Use Under Five Scenarios
HistoricalTrends
CurrentEfficiencyTrendsImprovedOperation
BestPractice
State-of-the-Art
Data center energy consumption accelerating
Green IT Problem 2: Energy
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Enlightened Self-interest: Saving $$
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Usage Trends
https://www.ntt-review.jp/archive_html/200910/images/sf2_fig01.gif
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Rules for Energy Reduction
1 “Do more with less”
2 “Do less with less”
3 “Nothing Gets Better Without Feedback”
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“Do more with less”
● Improve system efficiency
● Improve cooling efficiency
● Reduce overhead (software and people)
● Share resources – and overhead e.g. virtualization
This theme applies to more than just energy reduction, e.g. paper use
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“Do Less With Less”
● Or “Do nothing well” – David Culler, UC Berkeley
→ Minimize power used when ”idle”● Requires:
● Better CPU and support chip designs● Better wireless protocols● Better operating systems● More efficient monitors and power converters● Optimal configurations (auto sleep)
● Idle vs. Sleep vs. Hibernate● System must be ready when you are
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No Single Culprit
http://maemo.org/maemo_release_documentation/maemo4.1.x/power-consumption-piechart.png
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“Nothing Gets Better Without Feedback”
“If you can't measure it, you can't improve it”
– Lord Kelvin
Preferably in Real-Time!
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Green IT – Practical Solutions
● Right-size servers and desktop systems● Improve data center efficiency● Replace old hardware● Leverage mobile device trends● Leverage high-scale cloud providers● Share more! (Virtualize)● Get enough sleep! (desktop and server config)● Encourage telecommuting and telepresence
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Right-sizing the system
http://www.linuxfordevices.com/c/a/News/Toradex-Xiilun-PC-and-Topaz-SBC/
7 Watts!
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Right-sizing ?
http://www.legitreviews.com/images/reviews/766/ati_test_system.jpg
700 watts!
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Server Power Trends
Intel Roadmap
SeaMicro 256-node Atom-based server
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Limits of Scale
● Bigger is better...● High scale spreads fixed costs efficiently● High volume benefits from manufacturing learning curves
● Except when it isn't● UPS scale vs. cost: whole datacenter ↔ per server● Data center size: step function on switch gear costs● Nuclear reactors: traditional ↔ small, modular● Entities too big or important to fail (banks, single sources)
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Modular Data Centers
http://i.zdnet.com/blogs/movimiento61.jpg
Microsoft Chicago facility
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PUE and DCE
http://tjcanning.files.wordpress.com/2009/07/pue1.png?w=347&h=376
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PUE Trends
http://www.google.com/corporate/datacenter/images/datacenterpue.png
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Energy reduction: how many devices?
● Desktop computer?● Laptop computer?● Tablet computer?● Desktop phone?● Cell phone?
Is the Motorola Atrix the future??
Thin clients??
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Telecommuting / Telepresence
http://images.tmcnet.com/tmc/misc/article-images/Image/Tandberg%20Telepresence%20T3.png
http://www.flightglobal.com/blogs/flight-international/747.gif
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Cloud Computing Leverage
● Shared resources → more efficiency● High-scale, low-cost providers● Advanced applications, rapid evolution● State-of-the-art data centers and virtualization
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Is UW part of the problem or the solution?● 50,000 students● 30,000 faculty/staff● 400,000 managed identities● 150,000 devices on network● 30,000 phones● Thousands of servers
UW's Role
UW is committed to being part of the solution,alleviating impact on environment through sustainable computing– maximizing energy efficiency and minimizing waste.
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UW Climate Action Plan
● 4.1 Campus Energy Supply● 4.1.3 Strategy: Measure and Monitor Building Performance
● 4.3 InformationTechnology● 4.3.1 Strategy: Buy Green● 4.3.2 Strategy: Exercise Power Management● 4.3.3 Strategy: Increase Data Center Efficiency● 4.3.4 Strategy: Consolidation and Virtualization● 4.3.5 Strategy: Utilize Cloud Computing
● 4.4 Commuting● 4.4.6 Strategy: Encourage Telework and Distance Education
● 4.5 Professional Travel● 4.5.2 Strategy: Develop Videoconferencing as an Attractive
Alternative to Air Travel
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● Data center efficiency● Cloud services adoption● Desktop configuration management● Improved UCS tools for virtual meetings● Remote Access to Student Lab Software
Current UW-IT Plans
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Conflicting Goals
● Green goal: power down unused systems● Research goal: scavenge cycles ● IT management goal: do upgrades at night
But: ● Scavenging desktop cycles is not power-efficient● Current networks and mgt software can wake up systems
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• Decommission unneeded services
• Replace aging, inefficient servers
• Server virtualization
• Improve cooling systems
Data Center Initiatives
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Desktop Management Initiative
Deploying IBM's ”Tivoli Endpoint Manager”● Desktop power and patch management● Enforces common policies for sleeping● Provides central reporting for subscribed systems● Offers real-time estimates of current power usage● Control can be delegated
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Cloud Computing Initiative
UW Strategy● Dual vendor approach for collaboration platforms● Many other SAAS apps, e.g. Doodle, Facebook● Multiple IAAS vendors (AWS, Azure, Rackspace...)● Stay ahead of campus demand● Improve compliance risk via partner contracts
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On the Horizon:• Thin client student computing
laboratories• Student IT strategy
• Targeting devices that are sustainable• Include power management
• More mobile devices with greater functionality, less carbon footprint
• Virtual student desktop in the cloud
Green IT – Solutions
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Students can be a catalyst for change: ● They are early adopters of new technologies – Netbooks,
Cloud, Facebook, Twitter
Green students should . . . ● Be energy smart
– Set power option to sleep mode when not active● Go Energy Star
– Purchase Energy Star 4 or greater equipment● Print wisely
– Print only what you need, apply duplex printing, and use recycled content paper when possible
● Encourage proper recycling
Engaging Students
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“We do not inherit this land from our ancestors; we borrow it from our children.”
Haida Indian saying
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Discussion
Thanks to Kelli Trosvig and Brad Greer for major contributions to this presentation.