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Data center energy assessment services

Your Data Center is ripe with opportunities to scale back the energy it uses and reduce your capital expenditure. Power grid limitations, outdated Data Centers, the proliferation of volume servers, high density, and inefficient technologies and practices are all adding critical risks... and wasting energy. Together, Bull and Schneider Electric (with APC) have the solutions you need, and can carry out energy and thermal audits to advise you on the most effective improvements you can make.

A first step in your green agenda

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Our approach involves assessing your Data Center energy efficiency in a holistic way, and developing an end-to-end strategic plan to reduce your energy bill while guaranteeing service quality and SLA commitments. Our IT Energy Audit involves evaluating you Data Center energy efficiency by comparing the total energy consumption for the center with that of the IT hardware on its own. Originally developed in 2003 by the LBN Lab in California, typically PUE (Power Usage Effectiveness) ratios range from 3.5 to 1.5. For some years now, the overall ratio has been around 3, with total energy consumption for the Data Center divided almost equally between cooling, auxiliary and power supply infrastructures, and the IT hardware itself. It is estimated that we should be able to achieve a ratio of 2, or even 1.6 for highly optimized solutions.

The customer benefits

Cost savings through reduced energy bills Increasing Corporate Social

Responsibility and image For local authorities and other public

sector organizations, demonstrating an attitude that involves doing something to help the environment

Effective contribution to reduce CO2 emissions

Increase environmental awareness

among all Data Center stakeholders Better understanding of energy usage

patterns for data center components overall, and more effective forecasting of new demand for computing capacity

Better ability to manage energy, and optimization of energy and production costs

More efficient systems, prolonging the lifecycle of facilities and reducing the need for investment.

PUE : Power Usage Effectiveness

100% Efficiency

To deliver 500W to a server, 1500W is needed from the power grid

3.0

Objective

1.0

2.0

1.6

Achievable with proper design

3.4

PUE : Power Usage Effectiveness

100% Efficiency

To deliver 500W to a server, 1500W is needed from the power grid

3.0

Objective

1.0

2.0

1.6

Achievable with proper design

3.4

Assess your energy use, and save

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Beyond the hype: a pressing need

Threats According to AFCOM in 2006, power failures and limits on power availability will interrupt data-center operations for 90% of all companies over the next five years. Waste In a typical server, 30%-40 % of the input power nearly half the power coming from the outlet never reaches the processor, memory, disks or any other computing components. Opportunities Measure, evaluate, plan and act to save money and reduce CO2: Measure your Data Center Power Usage

Efficiency (Green grid PUE) Reduce energy waste in your Data Center

infrastructure Reduce the number of your servers

through virtualization Measure potential efficient technology

upgrades Implement energy efficiency best

practices for the Data Center. Green solutions Outstanding performance/watt servers

and storage Virtualization and consolidation Efficient machine room architecture and

Data Center infrastructures including cooling and power distribution

Policy-based power management Sustain Service Level Agreements.

Data Center

A B

D E

F

1.82.0 2.5 3.0 3.5

AA

Non-efficient

C

Efficient Index PUE

36.4%

CPU, Memory, Drives, I/O

Source : Intel Corp.

63.4%

Cooling & power infrastructure

Data Center

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How we carry out the Data Center audit

We deliver a

step-by-step

methodology

to analyze the

efficiency of your

Data Center,

to understand your

current position

and how to reap

the benefits of

energy efficiency:

cutting your energy

bill, and giving you

more space and

more control

Qualification meeting with the Data Center stakeholders and site visit, to understand Customer awareness and strategies

towards green Data Centers Using a qualification questionnaire,

identify the key areas of the energy assessment program

Short- and long-term customer expectations and objectives

Energy management policies Assess opportunities for quick wins.

Carry out a Data Center diagnosis in order to Develop and measure the PUE (Power

Usage Efficiency) metric Measure and develop energy efficiency

profiles for Data Center elements (servers, storage, cooling, UPS)

Identify critical and main energy consuming IT systems and infrastructure equipment

Identify a gap between current practices and state-of-the-art best practices for the next generation of Data Center operations

Identify potential energy saving opportunities and areas for cost optimization.

Deliver a report detailing PUE profile The overall picture of Data Center power

management Energy consumption profile analysis Gaps in practices and technology

advances Potential levers and recommendations for

improving PUE.

Develop solutions and follow up performance Technology upgrades Virtualization and consolidation Power management solutions and

processes Data Center infrastructure improvements

(automatic control systems, heat, ventilation and air-conditioning controls...).

Solutions

43

1

2

1

3

Solutions

43

1

2

1

3

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Cost saving assessment Data Center IT assessment questionnaire

In order to assess

potential savings,

the first step is to

carry out overall

Data Center energy

profiling and

estimate energy

use breakouts for

the two major Data

Center subsystems:

IT hardware and

Data Center

auxiliaries (electric

distribution, fans

and cooling).

The following

questionnaires are

used to qualify the

scope of work.

Facilities and general information Has your company already carried out an energy efficiency audit? If so, what are the

PUE/DCiE metrics? What does your company plan to do to improve your data center energy efficiency?

Has your company documented all audit results and disseminated these results to management?

Has your company already implemented virtualization or consolidation solutions with the aim of improving energy efficiency?

Is your company a member of green IT initiatives or has it pledged to support green IT recommendation?

Has your company implemented or does it operate any energy management systems? Has your company implemented policy-based energy management? If so, could you details

these policies? Does your company own several Data Center facilities? If yes, how many should be covered

by this audit? Does your company have an up-to-date system inventory? Please specific the number of IT hardware items in each facility Number of servers Number of storage systems Number of network devices Identify the systems that do not apply to the Data center, if any Does your company operate a system management solution, and track and report system

workload profiles for the Data Center servers overall? If your company does not report system workload profiles, would you be happy to include

workload profile services in this audit? If yes, please specify the number of servers that have to be profiled.

Has your company implemented a server working plan and power-off/power-on schedule? On which basis: weekly, daily, other

Do some servers run in continuous mode? If so, how many? What back-up plan have you implemented? Do back-up servers run in continuous mode too?

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Breakdown of IT equipment by facility Servers For each facility, identify the number of servers for which energy profiles have to be

measured Identify the number of server-related measurement points For each server, define its server class specification (CPU, memory, disk, network drivers) For each measured server provide its daily workload profile. If such information is not

available, would you be happy to create such a profile within the scope of this audit? If any, identify the servers that do not need to be measured and for which energy profiles

should be projected from the servers actually being measured Storage For each facility, identify the number of storage systems (server disk, tape bay) for which

energy profiles have to be measured Network For each facility, specify the number of network devices For each facility, identify the number of power measurement points related to the network

infrastructure

Data Center Cooling and power infrastructure assessment

Here are the

questions you need

to consider for the

Data Center

infrastructure

assessment. Questions

Age of your Data Center Total level of all annual energy consumption (GWh) Cost of energy as a proportion of your production costs Are there different elements to your electricity tariff (peak and off-peak hours?) Do you pay penalties to your provider (reactive penalties, exceeding power subscription

limits...) Is your electrical consumption curve flat or nearly flat (constant power consumed) Are variable speed drives installed on the pumps and fans Does the process consume heat Do you have a cogeneration system Do you have a power measurement system on your site Have you carried out an energy audit on this site in the last five years Do you have any programs running on site to educate your people about energy savings Have you taken any energy-saving actions in the last five years Is there one person dedicated to monitoring energy consumption and its cost in your

organization

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Some references Barnsley Metropolitan Borough Council Bull TCL Virtualization delivers economies of scale > Data Center running out of space to roll out new applications > 90 unreliable physical servers were replaced by five high-availability servers > 73% savings in annual power costs > The organization has reduced expenditure on additional hardware, software and

administration costs London-based retailer With 500 retail units. One-day site visit to carry out an energy survey and identify energy-saving opportunities. Followed up by implementing the recommended strategies and created a report outlining payback. 131,000 investment - annual savings of 750,000 and increased its plant life expectancy through reduced loading. Conforama IT infrastructure rationalization project As a result of virtualization (ESX Server) reduced from 67 servers to four > Reduced amount of space required (1/6) > Reduced connectivity: sharing of SAN and Network (number of ports divided by 2.5) > Reduced costs due to server power supply (1/3) > Reduced costs associated with server cooling (1/2.5) > Server utilization rate: 80% > Fast server provisioning with Virtual Machines.

To contact us: Jean-Jacques Merlet +33 1 69 93 95 85 jean-jacques.merlet@bull.net

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Bull SAS, May 2008 Bull acknowledges the rights of proprietors of trademarks mentioned herein. Bull reserves the right to modify this document at any time without notice. Some offers or parts of offers described in this document may not be available in your country. Please consult your local Bull correspondent for information regarding the offers which may be available in your country. France: Bull rue Jean Jaurs - 78340 Les Clayes-sous-Bois UK: Bull Maxted Road, Hemel Hempstead, Hertfordshire HP2 7DZ USA: Bull 300 Concord Road, Billerica, MA 01821 W

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