data center server rack strategies
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42U Confidential ©2008 42U All rights reserved Slide 1
Enclosure Strategies for Efficiency – Data Center Efficiency Best-
Practice Starts with Your Racks
September 5, 2008
________________________________
Overview
• Business Factors
• Data Center Strategy
• Rack Designs
• Rack Arrangement
• Rack Configuration
• Summary
• Q&A
42U Confidential ©2008 42U All rights reserved Slide 2
Business Factors
• Service Level Agreement (SLA)– N+1 and 2N Requirements
• Information Technology Infrastructure Library (ITIL)
• Total Cost of Ownership (TCO)
• Stranded Capacity
42U Confidential ©2008 42U All rights reserved Slide 3
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 4
Energy Cost Projection
42U Confidential ©2008 42U All rights reserved Slide 5
Source: Uptime Institute
Data Center Strategy
• Virtualization
• Blades
• Application Expansion
• Facilities
• Power Management
• Air Handling Infrastructure
42U Confidential ©2008 42U All rights reserved Slide 6
Rack kW Trend
• 10 kW of Load Becoming the Norm
• Continued Increasing Density
42U Confidential ©2008 42U All rights reserved Slide 7
Source: IDC, The Impact of Power and Cooling on Data Center Infrastructure
Energy Consumers
• 70% of Power Consumption Goes to the Infrastructure
• Over Twice that of the IT 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 Designs
• 2-, 4-Post Open– Low Heat Equipment
• Perforated– Ambient Cooling– Maximum Thermal Airflow
• Enclosed– Airflow Control– In-Row Cooling
42U Confidential ©2008 42U All rights reserved Slide 10
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 11
Density Distribution
• Close-Coupled Cooling
• High-Density Checkerboard
42U Confidential ©2008 42U All rights reserved Slide 12
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 13
Results of Floor Tile Tuning
• Improved Under-Floor Pressure
• Measurable Correlation to Cooling Efficiency
Under-Floor Pressure
Rack-Top Temperatures
42U Confidential ©2008 42U All rights reserved Slide 14
Rack Management
• Hot/Cold Aisle
• Density Distribution Scheme• Modularity• Structured Cabling
42U Confidential ©2008 42U All rights reserved Slide 15
Source: APC, Ten Cooling Solutions, #42
Airflow Containment
• Aisle Containment
• 30-49% Increase in CRAH/CRAC Capacity
42U Confidential ©2008 42U All rights reserved Slide 16
Source: Accenture/LBNL Air Flow Study 2007
Hot Aisle Containment
• 40% Reduction in Fan Energy
42U Confidential ©2008 42U All rights reserved Slide 17
Source: Accenture/Oracle Data Center Air Flow Management – Hot Aisle Containment
Cold Aisle Containment
• 75% Reduction in Fan Energy
42U Confidential ©2008 42U All rights reserved Slide 18
Source: Accenture/LBNL Air Flow Study 2007
Efficiency Checklist
• Reduce Your Electric Bills– 20-50% for
No/Low-Cost Design and Operations Changes
42U Confidential ©2008 42U All rights reserved Slide 19
Source: The Green Grid, Guidelines for Energy-Efficient Datacenters
Summary
• Consider the Big Picture
• Rack Configuration Plan
• Rack Layout Plan
• Airflow Containment
• Efficiency Improvement Plan
42U Confidential ©2008 42U All rights reserved Slide 20
Q&A
42U Confidential ©2008 42U All rights reserved Slide 21
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
Please Type Your Questions In The Chat Window
Thank You
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