42U Confidential ©2008 42U All rights reserved Slide 1

Data Center Energy EfficiencyBest-Practices

– Insights Into The ROI On Best-Practices

December 3, 2008________________________________

Overview

• Importance of Best-Practices• Strategic• Fundamentals• Advanced Air Flow• Cooling Technologies• Power Technologies• Summary• Q&A

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Downtime Costs

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Cumulative Loss

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Source: Energy Logic

Energy Consumers

• Infrastructure Consumes More Power Than The IT Equipment

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Source: The Green Grid, Guidelines for Energy-Efficient Datacenters

Energy Benchmark

• Green Grid Benchmark

• Enables Comparison

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Source: The Green Grid

Benchmark PUE Data

• Best-Case To Date: 1.21

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Efficiency MeasurementLife-CycleSM

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• Measurement Point Design• Measurement Object Database• Security

• Hardware Configuration & Testing• Network Configuration & Testing• Sensor Installation• Software Installation• Network Verification

• Data Collection• Analysis• System Management

• Facilities Data• IT Infrastructure Data• IT Equipment Data• Integration Requirements • Recommendations

• Reconfiguration Plan• Efficiency Improvements

Survey

Plan Install

Measure

Reconfigure

Efficiency Progression

• Basic Airflow• Close-Coupled

Cooling• Economizers• More Efficient

Technologies• Consolidation• Virtualization

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Energy

Expense

Strategic Approaches

• Measurement

• Modular Components– 10-30% Savings Potential

• Virtualization– 10-40% Savings Potential

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Measuring Efficiency

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RackTemperature

RHCurrentPower

Sub-floorPressure

Differential

CRAHSupply & Return Air Temp

Supply RHChilled Water Supply & Return Temp

Fan Power

Chilled Water Flow(Captured at CRAH)

PDUCurrent, Voltage

& Power

Fundamentals

• Air Flow Management– Blanking Panels– Floor Tile Management

• Floor Management– Design

• Maintenance

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Blanking Panel Impact

• Impact of a Single Blanking Panel

• 1-2% Savings

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Top of rack

Middle of rack

Floor Tile Management

• 1-6% Savings Potential

• Correct Locations

• Appropriate Configuration

• Requires Expertise

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Under-Floor Pressure

Rack-Top Temperatures

Hot/Cold Aisle Arrangement

• Reduces– Bypass– Mixing

• 5-12% Energy Savings

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Source: APC, Ten Cooling Solutions, #42

Advanced Air Flow

• Containment– Hot Aisle– Cold Aisle– Level 1-3

• Coordination– Dead Band Set Points

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Containment Concept

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Containment

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Coordination

• 0-10% Savings Potential

• Detailed Analysis Required

• Dead Band Sensitivity Points

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Cooling Technologies

• Rack-Level– 7-15% Savings Potential

• Room-Level– 4-15% Savings Potential

• Coolants

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Rack-Level Technologies

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Close Coupled

Rear Door

Ambient Air

Supplemental In-Row

Active Air

10 15 20 28 35 40 kW

Chip + Enclosure

Room-Level Technologies

• Make Up Air

• Room Air

• Free Cooling

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Power Technologies

• 4-10% Savings Potential

• Sizing Best Practice

• 3-Phase Power Distribution

• Line-Interactive UPS

• High Efficiency UPS

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High Efficiency UPS

• Modular– Planned

Expansion– Efficient

Capacity Alignment

• Hybrid Design

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Remote Power

• Proactive Approach

• Internet Access to Infrastructure

• Predetermined Alerting

• Immediate Response to Alerts

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Remote Power ROI

• 72% of Technician Calls are Resolved with a Re-Boot

• Average Service Call Cost is $500

• Downtime Reduced from1.5 Hours to Minutes

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Additional Efficiency Programs

• Lighting– LED Lighting– Proximity Sensors– In-Cabinet

• Extend Return Ducts

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Summary

• Value of Best-Practices

• Fundamentals

• Advanced Air Flow

• Cooling Technologies

• Power Technologies

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E3 Estimator

• Estimation of Data Center Energy Costs– Industry Benchmark Basis– Multiple Research Resources

• Availability– Spreadsheet Now– 42U Website Soon

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Efficiency Checklist

• Reduce Your Electric Bills– 20-50% for No/Low-

Cost Design and Operations Changes

– 90% for a Systematic Approach

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Source: The Green Grid, Guidelines for Energy-Efficient Datacenters

Q&A

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For More InformationContact Your 42U

Data Center Efficiency Consultant:

1-800-638-2638 or www.42U.com

For a Copyof

Today’s Presentation Email:

rebecca.mccue@42U.com

Thank You