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Data Center



A data center is a facility used for housing a large amount of electronic equipment, typically computers and communications equipment. As the name implies, a data center is usually maintained by an organization for the purpose of handling the data necessary for its operations. A bank for example may have a data center, where all its customers' account information is maintained and transactions involving this data are carried out. Practically every company that is mid-sized or larger has some kind of data center with the larger companies often having dozens of data centers. Most large cities have many purpose-built data center buildings in secure locations close to telecommunications services. Most colocation centers and Internet peering points are located in these kinds of facilities.

As data is a crucial aspect of most organizational operations, organizations tend to be very protective of their data and data centers. A data center must therefore keep high standards for assuring the integrity and functionality of its hosted computer environment. This is depicted in a data center's physical and logical layout.

Before the dot com crash, millions of square meters of general-purpose data centers were built in the hope of filling them with servers for web hosting and application service providers. However this demand never came true.

This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Data center"


System Center Data Protection Manager

System Center Data Protection Manager is a software product from Microsoft, constructed to help IT professionals modify the Windows environment. It is part of the Microsoft System Center set of products and integrates disk-to-disk and near-continuous data protection for accurate recovery of Windows server workloads. Previously known as Data Protection Server, DPM is Microsoft's first entry into the near-continuous backup/recovery industry. It also uses Microsoft's Shadow Copy technology for continuous backups.


Data Center Power and Cooling
Getting into A New Generation of Computing

Many organizations and companies are currently performing important data center infrastructure upgrades and replacements to encourage the spreading demands of higher performance and higher availability requirements in association with data center coalition actions. Sadly, many data center managers slowly realize a new set of obstacles associated with these projects -- the emerging environmental deficiencies (data center power and cooling, in particular) of existing data centers. Driven mainly by the improvement of new blade servers designed to minimize space use, but require at least twice the amount of power as good old rack mounted servers, and therefore they require more cooling, data center managers must quickly undertake the current and future data center power and cooling infrastructure, or face serious disruptions to service.
Companies must analyze their data center facility design to guarantee that they can administer the gathered power densities and discharge the data center cooling that modern equipment may need. Facility upgrades and/or new designs that match the new data center power and cooling demands should be considered. In addition, monitoring the planned changes and new server acquisitions must also occur so that the necessary changes to the data center physical infrastructure (space, power and cooling) can be accomplished prior to utilization.
Especially, designs must establish the total data center power delivered is adequate to supply the floor space at high energy densities. In addition, the data center cooling capacity necessary to remove the total heat output must be present. Detailed designs and equipment selections should reduce hot spots and provide adequate cooling to every part of the data center.
Liebert, who is mostly a provider of data center power and cooling equipment, offers five different alternatives for distribution of high-density enclosures and blade servers to prevent weariness of the data center power/cooling facility:

1. Supply the data center with the capacity to power and cool every rack to the peak enclosure density.

2. Supply the data center with the ability to power and cool to an average value below the peak enclosure value, and use supplemental cooling equipment as required to cool racks with a density greater than the default average value.

3. Supply the data center with the ability to power and cool to an average value below the peak enclosure value, and use rules to allow high density racks to borrow adjoining underutilized cooling capacity.

4. Supply the data center with the ability to power and cool to an average value below the peak potential enclosure value, and spread out the load of any proposed enclosures whose load exceeds the design average value by separating the equipment among multiple rack enclosures.

5. Supply the data center with the ability to power and cool to an average value below the peak value, provide a special limited area within the room that has high cooling capacity, and restrain the location of high density enclosures to that area.

Each of these alternatives mentioned above has its set of advantages and disadvantages. However, the bottom line is that data center managers must plan and seriously reconsider the design of the data center power and cooling design to meet the growing demands of the new computing equipment. For more information use Aperture to utilize power and cooling in today's high density data center.


How to choose a Data Center Cooling System
Choosing the corrent cooling system for your data center needs is crucial for the success of companies that depend on achieving business-critical continuity. Unfortunately, whether due to swift, unanticipated expansion or a general insufficiency of comprehension with regard to the cooling requirements of susceptible electronic equipment, some data center professionals are not able to provide sufficient consideration to their data centers cooling design.
Many data center managers are trying to use comfort cooling solutions to satisfy their data center cooling deficiencies, as these systems can mean simplistic and economical distribution up front. However, because they are not designed to meet the unique requirements of critical IT equipment, trust on the so called comfort cooling systems can result in an increased risk for hasty system failures as well as grossly extended operating cost.

Data centers as a renewable resource
Due to decreasing fossil energy resources, growing energy prices and elevated public awareness to environmental issues, the sufficient use of energy is more important today than ever before, especially for data centers which account for around 2% of the world’s total energy utilization and consumption and are expected to overwhelm the carbon emissions of the airline industry by 2020.
With an extensive research program in green technologies, combined energy management and control systems, best in class power saving technologies and productive building systems, Siemens is at the focus of reducing the global carbon footprint and improving energy productivity.
Siemens as a global company is extremely devoted to an efficient and sustainable progression and sets itself high environmental objectives. We are committed to reduce our customers' CO2 emissions by 300 million tons annually and improve our own CO2 and water performance by 20% by fiscal 2011.



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Data Center Article by Svetlana Lozovenko
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