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Thermal-aware relocation of servers in green data centers

Muhammad Tayyab CHAUDHRY,T. C. LING,S. A. HUSSAIN,Xin-zhu LU

《信息与电子工程前沿（英文）》 2015年第16卷第2期页码 119-134 doi: 10.1631/FITEE.1400174

摘要： Rise in inlet air temperature increases the corresponding outlet air temperature from the server. As an added effect of rise in inlet air temperature, some active servers may start exhaling intensely hot air to form a hotspot. Increase in hot air temperature and occasional hotspots are an added burden on the cooling mechanism and result in energy wastage in data centers. The increase in inlet air temperature may also result in failure of server hardware. Identifying and comparing the thermal sensitivity to inlet air temperature for various servers helps in the thermal-aware arrangement and location switching of servers to minimize the cooling energy wastage. The peak outlet temperature among the relocated servers can be lowered and even be homogenized to reduce the cooling load and chances of hotspots. Based upon mutual comparison of inlet temperature sensitivity of heterogeneous servers, this paper presents a proactive approach for thermal-aware relocation of data center servers. The experimental results show that each relocation operation has a cooling energy saving of as much as 2.1 kW·h and lowers the chances of hotspots by over 77%. Thus, the thermal-aware relocation of servers helps in the establishment of green data centers.

关键词： Servers Green data center Thermal-aware Relocation

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三峡工程移民安置规划与实践

石伯勋,尹忠武,王迪友

《中国工程科学》 2011年第13卷第7期页码 123-128

摘要：

长江三峡工程成败的关键在移民，移民搬迁安置顺利实施的保障是移民安置规划和有效的组织管理。移民安置规划及实施过程中，通过建立系统的法规、文件支撑体系，引入环境容量分析和资产评估方法，科学选址，准确把握移民补偿与地方发展之间关系，编制合理的迁建进度计划等；同时建立高效的管理体制和“静态控制、动态管理”的资金管理方式，根据实际情况变化适时依法调整规划等，顺利完成了移民搬迁安置任务，维护了库区社会稳定，促进了库区经济发展，推动了水利水电工程建设征地移民法规、规范、技术的发展和完善。还对移民安置理论、移民安置前瞻性工作进行了探讨。

关键词：三峡工程水库移民规划设计搬迁安置补偿与发展安置效果