February 2014- Of the various economizer (free cooling) modes for data centers, using fresh air is often viewed as the most energy efficient approach. However, this paper shows how indirect air economizer-based cooling produces similar or better energy savings while eliminating risks posed when outside fresh air is allowed directly into the IT space.
October 2011- As energy resources become scarcer and more expensive, electrical efficiency is becoming a more important performance factor in the specification and selection of large UPS systems. There are three subtle but significant factors that can materially affect a company’s cost of operating a UPS system and particularly the electrical bill. Unfortunately, the people who specify systems often fail to recognize these factors, which leads to increased costs to the owner because operational efficiencies are ...
May 2011- Scaling the power capacity of legacy UPS systems leads to hidden costs that may outweigh the very benefit that scalability intends to provide. A scalable UPS system provides a significant benefit to the Total Cost of Ownership (TCO) of data center and network room physical infrastructure. This paper describes the drawbacks of scaling legacy UPS systems and how scalable rack-based systems address these drawbacks. The cost factors of both methods are described, quantified and compared.
January 2011- Cloud computing is generating enormous amounts of discussion and excitement in the world of corporate IT. Eager to drive efficiency up and costs down, organizations of every size and description are rapidly adopting Web-based software, platform and infrastructure solutions. Indeed, analyst firm International Data Corporation expects global spending by enterprises on cloud services to rise at a compound annual growth rate of 26 percent between 2009 and 2013, from $17.4 billion to $44.2 billion. Within a matter of years, experts ...
Uninterruptible power systems (UPSs) play a vital role in ensuring IT reliability. As a result, their reliability is a crucial consideration too. Any time a UPS fails, mission-critical electrical loads are potentially at risk.
What, then, can organizations do to optimize UPS availability? As this white paper shows, the conventional answers to that question are often not the best ones. UPS reliability is ultimately less a function of UPS design—such as the ...
When it comes to healthcare IT systems, downtime is not an option. To ensure patient data is always available at the point of care, the hospital’s network closet IT infrastructure – power, cooling and monitoring – must be properly designed. In this paper, you’ll learn the essential points IT and facility managers need to know when evaluating the benefits and costs associated with powering and cooling a hospital’s network closets.
July 2010- A poor power protection strategy can lead businesses through a series of trap doors that lead to increased downtime, premature obsolescence and avoidable maintenance and replacement costs. The risk is especially severe for SMBs, which often can’t afford fallback systems when IT systems fail and deal with longer recovery times when there is an outage. IT professionals should evaluate their power protection strategy in terms of availability, growth, maintenance and flexibility.
Choosing the right UPS platform for your data center is a critical decision when you’re trying to balance high availability and greater energy efficiency. This e-book breaks down the differences between the traditional transformer-based UPS and the transformerless UPS in a large enterprise data center.
You’ll learn the benefits and costs associated with both UPS designs. The e-book, which is part of the Efficiency Without Compromise series, covers energy efficiency comparisons; ...
November 2009- Does efficiency have to come at the expense of availability? Not according to this paper, which outlines the four data center infrastructure trends that are reducing design, operating and management costs while improving data center performance. Those trends are Infrastructure Management, Eco Availability, Flex Capacity and High Density. Taking advantage of the opportunities listed in this paper will enable you to more efficiently deploy and use all of your resources throughout the life of the ...
Your data center houses servers - and savings. This white paper presents 2 ways data center managers can improve end-to-end energy efficiency so you can start taking advantage of the savings present in your data center.
November 2009- In the near future, all North American utilities will adopt smart metering and the supporting advanced metering infrastructure (AMI) at some level or another. Embrace a fresh approach to managing peak demand and system security that will drive market efficiency and support economic, environmental, and social priorities. This whitepaper captures customer expectations, the state of the market, and how you can build an efficient power network.
November 2009- The energy sector is facing formidable challenges. This whitepaper shows how your company can meet these challenges by obtaining blueprints for the Smart Grid—not just pilots, but practical working solutions—collaborating with leading utilities throughout the world.
November 2009- After worldwide spending on Smart Grid initiatives in 2008 exceeded $12 billion—a total expected to surpass $33 billion within the next five years—utilities are intensely focused on maximizing their Smart Grid investments. To that end, companies are reviewing the state of their existing infrastructure systems. To successfully meet the future business expectations of Smart Grid, the availability of complete and accurate grid data is essential. Therefore, the Geographic Information System (GIS) is a critical component. The ...
November 2009- Renewable generation is an important part of the future for the electric industry. This whitepaper separates renewable energy into 4 categories and presents its impact on the electric grid.
October 2009- System planning is the Achilles’ heel of a data center physical infrastructure project. Planning mistakes can magnify and propagate through later deployment phases, resulting in delays, cost overruns, wasted time, and ultimately a compromised system. Much of the trouble can be eliminated by viewing system planning as a data flow model, with an orderly sequence of tasks that progressively transform and refine information from initial concept to final design.
October 2009- Data center power and cooling infrastructure worldwide wastes more than 60 million megawatt-hours per year of electricity that does no useful work powering IT equipment. This represents an enormous financial burden on industry, and is a significant public policy environmental issue. This paper describes the principles of a new, commercially available data center architecture that can be implemented today to dramatically improve the electrical efficiency of data centers.
October 2009- Traditional methodologies for monitoring the data center environment are no longer sufficient. With technologies such as blade servers driving up cooling demands and regulations such as Sarbanes-Oxley driving up data security requirements, the physical environment in the data center must be watched more closely. While well understood protocols exist for monitoring physical devices such as UPS systems, computer room air conditioners, and fire suppression systems, there is a class of distributed monitoring points that is ...
October 2009- High-density IT equipment stresses the power density capability of modern data centers. Installation and unmanaged proliferation of this equipment can lead to unexpected problems with power and cooling infrastructure including overheating, overloads, and loss of redundancy. The ability to measure and predict power and cooling capability at the rack enclosure level is required to ensure predictable performance and optimize use of the physical infrastructure resource. This paper describes the principles for achieving power and cooling ...
July 2009- Both hot and cold air containment can significantly improve the predictability and efficiency of data center cooling systems. While both approaches eliminate the mixing of hot and cold air, there are practical differences in implementation that have significant consequences. This paper examines both methodologies and highlights the reasons why hot aisle containment emerges as the preferred best practice.
July 2009- New breakthroughs in power and cooling technology allow for a simple and rapid deployment of self-contained high density zones within an existing or new low density data center. The independence of these high density zones allows for predictable and reliable operation of high density equipment without a negative impact on the performance of existing low density power and cooling infrastructure. A side benefit is that these high density zones operate at much higher electrical efficiency ...
July 2009- Room cooling is an ineffective approach for next-generation data centers. Latest generation high density and variable density IT equipment create conditions that room cooling was never intended to address, resulting in cooling systems that are inefficient, unpredictable, and low in power density. Row-oriented and rack-oriented cooling architectures have been developed to address these problems. This paper contrasts room, row, and rack architectures and shows why row-oriented cooling will emerge as the preferred solution for most ...
July 2009- The control of humidity in IT environments is essential to achieving high availability. This paper explains how humidity affects equipment and why humidity control is required. Quantitative design guidelines for existing and new computing installations are discussed. Alternative methods to achieve desired humidity are described and contrasted. The difficult issue of how and where humidity should be measured is explained. The hidden costs associated with over-humidification are described.
July 2009- Avoidable mistakes that are routinely made when installing cooling systems and racks in data centers or network rooms compromise availability and increase costs. These unintentional flaws create hot-spots, decrease fault tolerance, decrease efficiency, and reduce cooling capacity. Although facilities operators are often held accountable for cooling problems, many problems are actually caused by improper deployment of IT equipment outside of their control. This paper examines these typical mistakes, explains their principles, quantifies their impacts, and ...
June 2009- Organizing components and cables within high-density enclosures need not be a stressful, time-consuming chore. Thanks to the flexibility of new enclosure designs, a standard for organizing enclosure space, including power and data cables, can be easily implemented. Get five basic steps for efficient space organization within high-density enclosures.
June 2009- Cooling for IT wiring closets is rarely planned and typically only implemented after failures or overheating occur. Historically, no clear standard exists for specifying sufficient cooling to achieve predictable behavior within wiring closets. Understand the science and practical application of an improved method for the specification of cooling for wiring closets.
View All Categories
Business Intelligence : Analytics, Business Process Management, Content management, Dashboards, Data Mining, Data Quality, Databases, Datamarts/Data Warehouses, Information Management, Knowledge Management, Performance Management
Hardware : Blades, Data centers, Desktops/PCs, Grid/Cluster Computing, Handhelds/PDAs, Macintosh, Peripherals, Processors, Supercomputers, Unix/Linux servers, Utility/On-demand Computing, Virtualization Hardware, Windows Servers
Infrastructure : ATM, Ethernet/Gigabit Ethernet, Frame relay, IPv6, Traffic Management, Network/Systems Management, PBXs, Printers, Remote Access, Routers, Switches, UPS, VPNs, WAN Optimization/Acceleration, Wide Area File Services
Internet : B2B, B2C, Browsers, E-Business/E-Commerce, E-retail, Google, Internet Policy, Internet Security, Search, Social Networks, Traffic Reporting/Monitoring, Web 2.0, Web Development, Social Business
Management : Career Development, Executive Insights/Interviews, H-1B, Legal, Outsourcing, Personnel Management, Recruiting, Regulation/Compliance, ROI/TCO, Salary/Compensation, Small-Medium Business, Training, Workplace Trends
Personal Tech : Blackberry, Bluetooth, Bluray, Digital Cameras, Digital Music, Digital Rights Management, Global Positioning Systems, iPhone, iPod, Peripherals, Smartphones, TVs/Home Theater, Virtual worlds
Security : Antivirus, Application Security, Attacks/Breaches, Cyberterror, Encryption, End user/Client Security, Intrusion Prevention, NAC, Perimeter Security, Privacy, Security Administration, Storage Security, Vulnerabilities and Threats
Services : Business Process Outsourcing, Business Services, Disaster Recovery, Hosted Applications, Hosted Storage, Internet/Data Services, Outsourcing, Software as a Service, Systems Integration, Telecom/Voice Services
Software : Integration, Application Optimization, Business Systems Management, CRM, Database Applications, Databases, Development Tools, ERP, Hosted Software/Applications, Linux, Open Source, Operating Systems, Productivity Applications, Server Virtualization, Service Oriented Architecture, Web Services