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The HP Performance Optimized Datacenter (POD) is a range of three modular data centers manufactured by HP. Housed in purpose-built modules of standard shipping container form-factor of either 20 feet or 40 feet in length the data centers are shipped preconfigured with racks, cabling and equipment for power and cooling.〔(Barrett, Alex, "Purdue chooses containerized data center over colocation," SearchDataCenter.com, July 2010 )〕 They can support technologies from HP or third parties.〔(Miller, Rich, "CRG West Customizes for HP Containers," DataCenterKnowledge, March 2009 )〕 The claimed capacity is the equivalent of up to 10,000 square feet of typical data center capacity depending on the model.〔(Baker, Jim, “HP Data Center Infrastructure in a POD,” The Clipper Group Navigator, August 18, 2011 )〕 Depending on the model, they use either chilled water cooling〔(Miller, Rich “A Look Inside HP’s POD Container,” DataCenterKnowledge, July 2008 )〕 or a combination of direct expansion air cooling.〔(Miller, Rich, “HP Unveils Updated EcoPOD Modular Design,” DataCenterKnowledge, June 7, 2011 )〕 ==HP POD 20c and 40c== The POD 40c was launched in 2008. This 40-foot modular data center has a maximum power capacity up to 27 kW per rack. The POD 40c supports 3,500 compute nodes or 12,000 LFF hard drives. HP has claimed this offers the computing equivalent of 4,000 square foot of traditional data center space.〔 The POD 20c was launched in 2010. This modular data center is housed in a 20-foot container. This version houses 10 industry-standard 50U racks of hardware. The POD uses an efficient cooling design of variable speed fans, hot and cold aisle containment and close coupled cooling to maximize capacity and efficiency. The POD 20c can operate at a Power Usage Effectiveness of 1.25.〔(Miller, Rich, “HP Offers 20-Foot Version of POD Container,” DataCenterKnowledge, February 3, 2010 )〕 PODs can maintain cold aisle temperatures higher than typical brick and mortar data centers.〔( Miller, Rich, “The HP POD: 90 Degrees in the Cold Aisle,” DataCenterKnowledge, December 2008 )〕 The temperature of the cold aisle in traditional data centers is typically 68 to 72 degrees, whereas the POD can efficiently operate at temperatures in this range up to 90 degrees.〔 Both the 20c and the 40c are water-cooled. The benefit of water cooling is higher capacity and less power usage than traditional air-cooled systems.〔( Lemon, Sumner, “IBM eyes expanded water cooling for data centers,” NetworkWorld, February 5, 2007 )〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「HP Performance Optimized Datacenter」の詳細全文を読む スポンサード リンク
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