CPA-CSA: Virtualization Mechanisms for Zero-Idle-Power and Thermally-Efficient Data Centers

CPA-CSA：零空闲功耗和热效率数据中心的虚拟化机制

• 批准号: 0811320
• 负责人: Thomas Wenisch
• 金额: $ 27.5万
• 依托单位: Regents of the University of Michigan - Ann Arbor
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 2008
• 资助国家: 美国
• 起止时间: 2008-07-01 至 2012-06-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0811320&HistoricalAwards=false
• 关键词: CPA; CSA; Virtualization; Mechanisms; Zero

Enterprise data centers consume an alarmingly-high fraction of the energy produced in the United States. The US Environmental Protection Agency estimates that data center energy consumption will reach over 100 billion kWh by 2011, 2.5% of US power generation, resulting in an estimated annual electricity cost of $7.4 billion. As much as 40% of this energy is wasted because of two key inefficiencies: (1) the substantial energy used by idle equipment that is powered on, but not performing useful work, and (2) inefficiency in data-center cooling infrastructure arising from a poor match between where heat is generated and where cool air is supplied. This project proposes research on a data-center-wide management system that controls IT equipment, power, and cooling infrastructure in real time to save energy in two ways. First, it actively consolidates computing tasks onto fewer systems, allowing idle systems to be powered down. Second, it moves computing tasks to systems that can be cooled most efficiently. The project addresses the key challenge of modeling temperature in large-scale data centers and designing an autonomous system that makes correct decisions on where to place tasks.

企业数据中心消耗的能源占美国生产能源的比例高得惊人。美国环境保护署估计，到2011年，数据中心的能耗将超过1000亿千瓦时，占美国发电量的2.5%，导致每年的电费估计为74亿美元。其中多达 40% 的能源因两个关键的低效率问题而被浪费：(1) 已通电但未执行有用工作的闲置设备使用大量能源，以及 (2) 由于以下原因导致数据中心冷却基础设施效率低下：产生热量的地方和供应冷空气的地方不匹配。该项目提出研究数据中心范围内的管理系统，该系统实时控制 IT 设备、电力和冷却基础设施，以通过两种方式节省能源。首先，它主动将计算任务整合到更少的系统上，从而允许关闭空闲系统。其次，它将计算任务转移到可以最有效冷却的系统。 该项目解决了对大型数据中心的温度进行建模并设计一个自主系统的关键挑战，该系统可以对任务的放置位置做出正确的决策。