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- Avoiding Costs From Oversizing Data Center and Network Room Infrastructure
- The physical and power infrastructure of data centers and network rooms is typically oversized by more than 100%. Statistics related to oversizing are presented. The costs associated with oversizing are quantified. The fundamental reasons why oversizing occurs are discussed. An architecture and method for avoiding oversizing is described.
- White papers 2009-04-08
- Air Distribution Architecture Options for Mission Critical Facilities
- There are nine basic ways to use air to cool equipment in data centers and network rooms. These methods vary in performance, cost, and ease of implementation. These methods are described along with their various advantages. The proper application of these cooling techniques is essential knowledge for Information Systems personnel...
- White papers 2009-04-08
- Battery Technology for Data Centers and Network Rooms: VRLA Reliability and Safety
- The Valve Regulated lead-Acid VRLA battery is the predominant choice for small and medium-sized Uninterruptible Power Supply UPS energy storage. This white paper explores how the technology affects overall battery life and system reliability. It will examine the expected performance, life cycle factors, and failure mechanisms of VRLA batteries.
- White papers 2009-04-08
- Physical Security in Mission Critical Facilities
- Physical security is critical to achieving availability goals of mission critical facilities. Security of the data center accounts for it's surroundings as well as data processing equipment inside and the systems supporting them. In this paper, systems for providing secure facilities are recommended and best practices for physical security are...
- White papers 2009-04-08
- Increasing Data Center Efficiency by Using Improved High Density Power Distribution
- A new approach to power distribution for high density server installations saves floor space, simplifies power cabling, saves capital cost, reduces weight, and increases electrical efficiency. This paper describes this distribution architecture and quantifies the benefits. Note: The methods in this paper only apply in North America and are for...
- White papers 2009-04-08
- Cooling Strategies for IT Wiring Closets and Small Rooms
- Cooling for IT wiring closets is rarely planned and typically only implemented after failures or overheating occur. An appropriate specification for cooling IT wiring closets should assure compatibility with anticipated loads, provide unambiguous instruction for design and installation of cooling equipment, prevent oversizing, maximize electrical efficiency, and be flexible enough...
- White papers 2009-04-08
- Essential Standby Generator System Requirements for Next Generation Data Centers
- Effective standby generator system installations must address the known problems and challenges relating to current and past designs. This paper presents a categorized and prioritized overview of generator system challenges and the requirements needed to overcome them.
- White papers 2009-04-08
- Reliability Analysis of the APC Symmetra MW Power System
- This paper is a quantitaive reliability analysis of the APC Symmetra MW UPS performed by MTechnology, Inc. MTech. In contrast to common MTBF calculations based on summing component failure rates, this study used techniques of Probabilistic Risk Assessment PRA to calculate the likelihood of over 680,000 potential failure modes. The...
- White papers 2009-04-08
- Virtualization: Optimized Power Cooling to Maximize Benefits
- Data centers are routinely and unknowingly missing a great portion of their entitlement from virtualization. Beyond virtualization's undisputed IT benefits - from reduced rack footprint to disaster recovery - is the parallel story of a substantial benefit from optimizing the physical infrastructure that supports it. In particular, row-based cooling, correctly...
- White papers 2009-04-08
- Reliability Models for Electric Power Systems
- This note explains the sources of downtime in Electric Power Systems and provides an explanation for site-to-site variations in Power Availability. The the factors affecting power quality from generation to the utilization point are summarized. There is a qualitative description of a model which can be combined with data to...
- White papers 2009-04-08
- Preventative Maintenance Strategy for Data Centers
- In the broadening data center cost-saving and energy efficiency discussion, data center physical infrastructure preventive maintenance PM is sometimes neglected as an important tool for controlling TCO and downtime. This white paper describes the types of PM services that can help safeguard the uptime of data centers and IT equipment...
- White papers 2009-04-08
- Creating Order from Chaos in Data Centers and Server Rooms
- Data center professionals can rid themselves of messy racks, sub-standard under floor air distribution, and cable sprawl with a minimum of heartache and expense. Whether the data center mess is created over years of mismanagement or whether the cable-choked data center is inherited, solutions for both quick fixes and longer...
- White papers 2008-12-12
- Virtualization: Optimized Power and Cooling to Maximize Benefits
- Data centers are routinely and unknowingly missing a great portion of their entitlement from virtualization. In particular, row-based cooling, correctly sized power and cooling, and real-time capacity management are essential elements in realizing virtualization's full potential in cost reduction, efficiency, and reliability.
- White papers 2008-12-12
- Battery Technology for Data Centers and Network Rooms: Environmental Regulations
- Some lead-acid batteries located in data centers are subject to government environmental compliance regulations. This paper offers a high level summary of the regulations and provides a list of environmental compliance information resources.
- White papers 2008-11-04
- Five Basic Steps for Efficient Space Organization within High Density Enclosures
- Organizing components and cables within high density enclosures need not be a stressful, time consuming chore. This paper provides a five step roadmap for standardizing and optimizing organization within both low and high density enclosures, with special emphasis on how to plan for higher densities.
- White papers 2008-10-23
- Battery Technology for Data Centers and Network Rooms: Safety Codes
- This paper describes methods and requirements for providing electrical power to rack enclosures for Information Technology equipment. The need for the rack power system to adapt to changing requirements is identified and quantified and the requirements for a rack power system that can adapt to changing needs are defined.
- White papers 2008-10-16
- Improving Rack Cooling Performance Using Airflow Management Blanking Panels
- Unused vertical space in open frame racks and rack enclosures creates an unrestricted recycling of hot air that causes equipment to heat up unnecessarily. The use of airflow management blanking panels can reduce this problem. This paper explains and quantifies the effects of airflow management blanking panels on cooling system...
- White papers 2008-10-15
- Avoidable Mistakes that Compromise Cooling Performance in Data Centers and Network Rooms
- 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...
- White papers 2008-10-15
- Hot Aisle vs. Cold Aisle Containment
- 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...
- White papers 2008-10-07
- APC Tracker 4.4 (Mac)
- APC Tracker 4 is a Cocoa application for UPS devices in a network that powers specifically off Mac OS X and Xserve. It investigates the status of the UPS and will properly shut down the client computer once power gets interrupted. It can also send email status notification and perform...
- Software downloads 2008-08-14
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