Data Center Journal

Volume 28 | August 2013

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aging power, cooling and space capacity. It improves SLA performance through improved monitoring and management of the infrastructure that allows for alarms and alerts that help identify and resolve problems quickly and efficiently." spikes in performance that could exceed minimum compliance requirements or tolerances. Alarms warnings provide real-time alerts when power consumption or temperatures are likely to lead to costly system failures. CONSOLIDATING THE POWER Power Chain Management: For the most part the major benefits of a DCIM system play out across several core areas: The very support infrastructure that manages power distribution can also be an energy efficiency killer. A DCIM system conducting environmental monitoring can pinpoint under-utilized PDUs and UPS's, and re-allocate power where needed. Server Consolidation: Even the most efficient hardware is rarely utilized to full capacity. Across most data centers, it's a common practice to hold back a minimum of half a server's processing power to handle any unexpected surge in demand. This means servers sit idle for "what-if " scenarios. That's why so many companies are rolling out significant server consolidation initiatives. The idea is to minimize the number of servers, but have each operating at greater capacity. A real-time view of current capacity can effectively identify power and drive consolidation initiatives. Hardware Upgrades: All hard disks, power supplies, and cooling systems are in a constant state of redesign in an ongoing effort to achieve greater energy efficiency. The challenge is identifying those "power hogs" capable of being upgraded or replaced for greater efficiency. By monitoring power consumption on each device – and comparing results against system utilization – these inefficient power and cooling systems can be identified. Power Capping and Management: Unused Systems: An effective DCIM tool easily sets power thresholds for individual servers, racks, or data centers to prevent unexpected With an accurate view of the data center, most companies are surprised by the high ratio of unused or stranded IT devices, as well as inefficient power zones. These underutilized power zones can be identified and addressed to save money. But how much money can be saved when acting upon these DCIM findings? According to the Environmental Protection Agency (EPA), data centers consume as much as 20 times more power per square foot than a typical office building. Gartner Group backs up this claim: "Energy-related costs account for approximately 12 percent of overall data center expenditure and are the fastest-rising cost in the data center… Analysts say that data center power, cooling and energy supply, and cost problems are likely to worsen during the next few years as organizations grow their technology infrastructure." With data centers drawing such a vast amount of energy, the ability to cut costs is probably DCIM's greatest benefit. And these facts played out in a recent survey FieldView conducted in conjunction with analyst group Enterprise Management Associates across a number of organizations. A CLOSER LOOK INTO COST SAVINGS After surveying a broad array of customers, one of the most dramatic benefits gained from DCIM deployment was a direct impact on consolidation initia-

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