data center cooling strategies
DESCRIPTION
Data Center Cooling Strategies for Efficiency - Techniques to Reduce YourEnergy Bill by 20-80% Data center cooling is a hot topic. When you consider the challenges of cooling the latest generation servers, growing cost of infrastructure equipment, and ever growing concern around energy efficiency, it's easy to understand the focus. To view the recorded webinar presentation, please visit, http://www.42u.com/cooling-strategies-webinar.htmTRANSCRIPT
42U Confidential ©2008 42U All rights reserved Slide 1
Cooling Strategies for Efficiency – Techniques to Reduce Your
Energy Bill by 20-80%
September 19, 2008
________________________________
Overview
• Business Factors
• Data Center Strategy
• Fundamental Strategies
• Technology Alternatives
• Advanced Technologies
• Efficiency Plan
• Q&A
42U Confidential ©2008 42U All rights reserved Slide 2
Efficiency Drivers
• Rising Energy Costs• Physical Limitations
– Building Infrastructure– Utility Capabilities
• Mandates– Carbon Tax– Utility Initiatives– C-Level Need for ‘Green’ Message
42U Confidential ©2008 42U All rights reserved Slide 3
Energy Cost Projection
42U Confidential ©2008 42U All rights reserved Slide 4
Source: Uptime Institute
Data Center Strategy
• Virtualization
• Blades
• Application Expansion
• Facilities
• Power Management
• Air Handling Infrastructure
42U Confidential ©2008 42U All rights reserved Slide 5
Planning Considerations
• Hot/Cold Aisle Arrangement– Feasibility– Applicability
• Rack Density Design Point– Standardized– < 15 kW = Supplemental– > 15 kW = Close Coupled
42U Confidential ©2008 42U All rights reserved Slide 6
Efficiency Strategies
• Variable-Speed Fans• Power Design• Modularity• Airflow Control
– Perforated Tile Configuration– Blanking Panels– Floor Grommets– Containment
42U Confidential ©2008 42U All rights reserved Slide 7
Energy Consumers
• 45% of Power Consumption Goes to the Cooling Infrastructure
• 50% More than to theIT Equipment
42U Confidential ©2008 42U All rights reserved Slide 8
Source: The Green Grid, Guidelines for Energy-Efficient Datacenters
Functional Limitations
• CRACs Are Reaching Their Functional Limits
42U Confidential ©2008 42U All rights reserved Slide 9
Source: Aperture, Managing Today’s Data Centers, Avoiding the Impending Crisis
Rack kW Trend
• 10 kW of Load Becoming the Norm
• Continued Increasing Density
42U Confidential ©2008 42U All rights reserved Slide 10
Source: IDC, The Impact of Power and Cooling on Data Center Infrastructure
Cooling Efficiency
• Hot/Cold Aisle
• Density Distribution Scheme• Supplemental• Advanced
42U Confidential ©2008 42U All rights reserved Slide 11
Source: APC, Ten Cooling Solutions, #42
Confirmation of Fundamentals
• Impact of a Single Blanking Panel
• Consistent Results For– Floor Leaks– Tile
Arrangement
Top of rack
Middle of rack
42U Confidential ©2008 42U All rights reserved Slide 12
Density Distribution
• Close-Coupled Cooling
• High-Density Checkerboard
• Strategic Supplemental Equipment
42U Confidential ©2008 42U All rights reserved Slide 13
Source: APC, Ten Cooling Solutions, #42
Airflow Containment
• 30-49% Increase inCRAH/CRAC Capacity
42U Confidential ©2008 42U All rights reserved Slide 14
Source: Accenture/LBNL Air Flow Study 2007
Hot Aisle Containment
• Saves40% Fan Energy
42U Confidential ©2008 42U All rights reserved Slide 15
Source: Accenture/Oracle Data Center Air Flow Management – Hot Aisle Containment
Cold Aisle Containment
• Saves75%FanEnergy
42U Confidential ©2008 42U All rights reserved Slide 16
Source: Accenture/LBNL Air Flow Study 2007
Technology Alternatives
42U Confidential ©2008 42U All rights reserved Slide 17
Close Coupled
Rear Door
Ambient Air
Supplemental In-Row
Active Air
10 15 20 28 35 40 kW
Chip + Enclosure
Ambient Air
• Low Density
• Hot/Cold Aisle
• Raised Floor Plenum
42U Confidential ©2008 42U All rights reserved Slide 18
Ambient Air
10 15 20 28 35 40 kW
Rear Door
• Hot/Cold Aisle Alternative
• Low Capacity
• Isolated Dense Cabinets
42U Confidential ©2008 42U All rights reserved Slide 19
Rear Door
10 15 20 28 35 40 kW
Active Air
• Air Handling Efficiency
• Containment Alternative
• Not Additional Cooling
42U Confidential ©2008 42U All rights reserved Slide 20
Active Air
10 15 20 28 35 40 kW
Supplemental In-Row
• Hot Spot Control
• Supplements CRAC Capacity
• Next-Level Capacity
• In-Row or Overhead
42U Confidential ©2008 42U All rights reserved Slide 21
Supplemental In-Row
10 15 20 28 35 40 kW
Close Coupled
• Closed Loop
• Microclimate
• Isolated
42U Confidential ©2008 42U All rights reserved Slide 22
Close Coupled
10 15 20 28 35 40 kW
Chip-Level
• Extreme Density
• Customized Servers
• Research Environments
42U Confidential ©2008 42U All rights reserved Slide 23
10 15 20 28 35 40 kW
Chip + Enclosure
Close Coupled Cooling
42U Confidential ©2008 42U All rights reserved Slide 24
+ =
Cooling Server Cabinet High-Performance Solution
Redundancy
• Configurable To Meet Need
42U Confidential ©2008 42U All rights reserved Slide 25
COOLING
M1
M2
M3
COOLING
COOLING
COOLING
Footprint Reduction
42U Confidential ©2008 42U All rights reserved Slide 26
40kW
10 Racks
4kW 4kW 4kW 4kW 4kW 4kW 4kW 4kW 4KW 4kW 4kW
40kW
3 Rack Space
COOLING
COOLING
20kW 20kW
30 – 40 KW
40kW
2 Rack Space
COOLING
COOLING
40kW
Close Coupled TCO Example
• 10K Square Feet Reduced to 5.6K– $129K-195K Annual
Real Estate Savings
• $69K-302K Annual Energy Expense Reduction
42U Confidential ©2008 42U All rights reserved Slide 27
Economizers
• Use Environmentfor Cooling
• Air-Side InherentlyMore Efficient
• Water-Side Results In Considerable Savings– Enhance with
Reservoir for Off-Peak Cooling
42U Confidential ©2008 42U All rights reserved Slide 28
Water Side Potential
42U Confidential ©2008 42U All rights reserved Slide 29
Planning Considerations
• Create a Comprehensive Design
• Consider the Entire Facility
• Examine Alternative Technologies
• Develop Standards
42U Confidential ©2008 42U All rights reserved Slide 30
Efficiency Checklist
• Reduce Your Electric Bills– 20-50% for
No/Low-Cost Changes
– 80% for Systematic Efforts
– Self-Funding Phased Plan
42U Confidential ©2008 42U All rights reserved Slide 31
Source: The Green Grid, Guidelines for Energy-Efficient Datacenters
Summary
• Consider the Big Picture
• Basics
• Airflow Containment
• Supplemental Technologies
• Advanced Solutions
• Efficiency Improvement Plan– C-Level Value
42U Confidential ©2008 42U All rights reserved Slide 32
Q&A
42U Confidential ©2008 42U All rights reserved Slide 33
For More InformationContact Your 42U
Data Center Efficiency Consultant:
1-800-638-2638 or www.42U.com
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