1. How do you recognize an energy-efficient data center?

2. Rümlang, May 2012 High Density - High Efficiency - High Temperature in the Data Center Efficiency trap in the Data Center

3. Table of Contents Company Profile & Data Center Zurich 1 (ZRH1) Containment Solutions - Smart Aisle Containment

4. Company Overview

5. 5 data center infrastructure  Physical security  Facility management  Provision of highly resilient power and cooling e-shelter designs, builds and operates data centers to house mission-critical IT systems designbuildoperate e-shelter is the leading full-service provider for data center infrastructure in Germany providing the highest standard in physical security and operational reliability. May 2012 High Density - High Efficiency - High Temperature in the Data Center Efficiency trap in the Data Center

6. Data Center Campus Frankfurt  60,000 sqm area  24/7 Service & Control centre  Headquarters Data Center Campus Berlin  13,000 sqm area Data Center Campus Zurich  7,000 sqm area in operation, additional 6,000 planned Colocation Centers  Frankfurt (1,900 sqm)  Munich (1,960 sqm)  Hamburg (1,230 sqm) New locations  London  Munich II  Frankfurt III Currently e-shelter operates more than 85,000 sqm of data center space, three additional locations are under development Overview locations Hamburg Frankfurt/ Main Munich Berlin London Zurich e-shelter Datacentre location e-shelter Datacentre location planned 6 May 2012 High Density - High Efficiency - High Temperature in the Data Center Efficiency trap in the Data Center

7. e-shelter planning and design implements highest standards in energy efficiency and latest developments in technical progress Energy efficiency and sustainability Research & Development In order to develop best-practice approaches for energy efficient operation of data centers e-shelter is actively engaged in different workshops and organisations e.g. “the green grid“ and “Uptime Institute.” e-shelter works with large suppliers of cooling technology to explore and test new cooling techniques, and has developed a sophisticated measuring system to continuously monitor energy utilization (e.g. cooling requirements in different zones). Operational excellence e-shelter designs and operates its data centers to be highly efficient and applies state-of-the-art technology to achieve an optimal utilization of energy. Hereby e-shelter is able to achieve highly competitive power utilization efficiency factors for its data centers (PUE factor). 7 May 2012 High Density - High Efficiency - High Temperature in the Data Center Efficiency trap in the Data Center

8. Data Center Zurich 1 (ZRH1)

9. e-shelter‘s first datacenter in Switzerland is located in the north of Zurich, approx. 8 km from the city center Location 9 May 2012 High Density - High Efficiency - High Temperature in the Data Center Efficiency trap in the Data Center

10. The largest purpose-built data center in Switzerland Building  The freestanding building is designed and built solely for the purpose of housing IT infrastructure. All external and internal building features are constructed with high quality materials and meet or exceed industry standards.  The first stage of construction provides 7’000 sqm of net data center space and 1’000 sqm of office space  The facility meets the LEED (Leadership in Energy and Environmental Design) Platinum pre-certification 10 May 2012 High Density - High Efficiency - High Temperature in the Data Center Efficiency trap in the Data Center

11. Carrier Connectivity

12. Other providers Redundant Carrier Connectivity Site Carrier Connectivity singleredundant own fiber 12 May 2012 High Density - High Efficiency - High Temperature in the Data Center Efficiency trap in the Data Center

13. Security

14. 1 2 3 4 5 6 7 Structural, technical and organizational separation of the security zones Security Systems Security Command and Control centre (SCC) Circulation area for tenants Circulation area building(s) Circulation area Datacentre site Carrier rooms  The security concept includes having all safety-sensitive areas situated in the core of the building to the extent where this is feasible so that the security zones beyond the core serve as buffers.  All security zones are structurally, technically and organizationally separated from one another  All security zones are monitored by way of synchronized technical safety measures  This way it is ensured that the cumulative safety function for creating the necessary penetration resistance/ resistant time value Datacentre areas Technical areas 14 May 2012 High Density - High Efficiency - High Temperature in the Data Center Efficiency trap in the Data Center

15. Power and Cooling Systems

16. The redundant power supply guarantees maximum availability Power supply  Power is distributed on an A & B feed up to the rack  The critical components of the power supply are designed in an 2N+1 configuration  State-of-the-art static UPS systems with a high degree of scalability and reliability incl. isolating transformers  On-site back-up power (diesel generators) in an N+2 configuration  72h diesel-fuel storage on site. 16 May 2012 High Density - High Efficiency - High Temperature in the Data Center Efficiency trap in the Data Center

17. Air conditioning and cooling systems designed to meet all requirements of a high-availability system Cooling  Redundant cooling and air conditioning systems  Separate chiller- and free-cooling systems for maximum efficiency  Adiabatic cooling  Individual cooling solutions available (rack-housing, high-density-racks) 17 May 2012 High Density - High Efficiency - High Temperature in the Data Center Efficiency trap in the Data Center

18. Containment Solutions - Smart Aisle Containment

19. PUE = 2,0 PUE = 1,35 from 2,0 to 1,35 … and it gets even better! Short Historie Review 2006: Start of CAC - SmartAisle 19 May 2012 High Density - High Efficiency - High Temperature in the Data Center Efficiency trap in the Data Center 50% 25% 12% 11% 3% IT Load Power Cooling Power Fans Electrical Losses Power Light 80% 8% 2% 7% 2% IT Load Power Cooling Power Fans Electrical Losses Power Light Containment Solution - EMERSON/ Knürr

20. 20 SmartAisle Containment Containment Solution May 2012 High Density - High Efficiency - High Temperature in the Data Center Efficiency trap in the Data Center SmartAisle Containment Solution

21.  p  20 Pa  p  1 Pa 21 SmartAisle Containment vs. Pressure compensation Containment Solution May 2012 High Density - High Efficiency - High Temperature in the Data Center Efficiency trap in the Data Center SmartAisle Containment Solution Pressure Compensation Solution

22. 22 SmartAisle Containment vs. Pressure compensation For Example: 240 kW IT-Usage May 2012 High Density - High Efficiency - High Temperature in the Data Center Efficiency trap in the Data Center Heat diagram - Containment Solution

23. Source: Emerson Network Power White Paper 2012 23 Results SmartAisle Containment vs. Pressure compensation Electricity for powering of drives Pressure compensation SmartAisle Containment No arrangement (3 ULKs) Fan speed 100% 17,04 kW Mode “full load” (3 ULKs) Fan speed 91% 12,90 kW Fan speed 71% 5,94 kW Mode “normal operation” (4 ULKs) Fan speed 70% 7,76 kW Fan speed 54% 3,52 kW Mode “efficient operation” (6 ULKs) Fan speed 49% 4,08 kW Fan speed 37% 1,68 kW Mode “high efficient operation” (8 ULKs) Fan speed 38% 2,72 kW Fan speed 30% 1,28 kW May 2012 High Density - High Efficiency - High Temperature in the Data Center Efficiency trap in the Data Center

24. 33%50%75% 100% 0,00 1,00 2,00 3,00 4,00 5,00 6,00 9,00 power consumption [kW]  % speed or airflow  EC Ventilators - Speed control "sweet spot" 8,00 7,00 Speed ​​ control results in great energy savings  1/2 speed  1/8 power consumption 24 Energy saving via speed control The mothers of energy efficiency  Continuous cold / warm separation  Dynamic regulation the entire system  High standard temperature, free cooling May 2012 High Density - High Efficiency - High Temperature in the Data Center Efficiency trap in the Data Center

25. 25 Cooling requirements of IT Equipment Temperature and humidy on the suction side Entry temperature Component / consumption Exit temperature Consumption 25°C  T  7K 32°C470 m³/h per kW 25°C  T  15K 40°C220 m³/h per kW 25°C  T  25K 50°C 130 m³/h per kW ASHRAE TC 9.9 Thermal Guidelines 2008 / modified 2011 for Class A1 *) Recommended: 18 - 27°C, 5,5°C DP - 60% RH and 15°C DP Allowable:15 - 32°C, 20% RH - 80% RH (Class A1) 10 - 35°C, 20% RH - 80% RH (Class A2) May 2012 High Density - High Efficiency - High Temperature in the Data Center Efficiency trap in the Data Center Source: 2011 Thermal Guidelines for Data Center Processing Environments - Expanded Data Center Classes and Usage Guidance

26. 1,00 kW 1,05 kW 1,20 kW 1,15 kW 1,10 kW 15 °C20 °C25 °C30 °C35 °C approx. + 12% Source: 2011 Thermal Guidelines for Data Center Processing Environments - Expanded Data Center Classes and Usage Guidance 26 Server power consumption vs. suction temperature Power May 2012 High Density - High Efficiency - High Temperature in the Data Center Efficiency trap in the Data Center

27. 1,00 m³ 1,40 m³ 2,60 m³ 2,20 m³ 1,80 m³ 15 °C20 °C25 °C30 °C35 °C approx. + 55% Aspirated air flow vs. suction temperature Power 27 Source: 2011 Thermal Guidelines for Data Center Processing Environments - Expanded Data Center Classes and Usage Guidance May 2012 High Density - High Efficiency - High Temperature in the Data Center Efficiency trap in the Data Center

28. Other 2 % Other 2 % Electricity 8 % Cooling 14 % ULK 1 % IT100 % PUE = ? Case 1: Is it worth the higher temperature? Power Other 2 % Other 2 % Electricity 8 % Cooling 14 % ULK 1 % IT100 % PUE = 1,35 Suction Temperatur :25 °C35 °C ? 28 May 2012 High Density - High Efficiency - High Temperature in the Data Center Efficiency trap in the Data Center

29. From 35°C to 50°C … and it rise up! History review to future outlook It becomes hotter! 29 May 2012 High Density - High Efficiency - High Temperature in the Data Center Efficiency trap in the Data Center Water cooled rack-solutions - EMERSON/ Knürr Thermography hot aisle

30. 32°C 27°C 18°C 40°C 35°C 20°C 25°C 30°C 15°C 10°C 45°C 50°C Allowed envelope Recommended envelope Full load Idle speed/ no-load Case 2: 40 - 50 in the data center - is it possible/ useful/ efficient? Exit temperature-range for Blade Server (example) 30 May 2012 High Density - High Efficiency - High Temperature in the Data Center Efficiency trap in the Data Center Source: 2011 Thermal Guidelines for Data Center Processing Environments - Expanded Data Center Classes and Usage Guidance Future temperature range Class A1 Class A2

31. How do you recognize an energy-efficient data center?

32. Thank You. www.e-shelter.ch Olivier Honold Sales Manager Switzerland e-shelter facility services (Schweiz) AG Hofwisenstrasse 56 CH-8153 Rümlang Telephone:+41 (44) 817-6560 Fax:+41 (44) 817-6539 Mobile:+41 (79) 402 6139 E-Mail:olivier.honold@e-shelter.ch