Abstract
High-performance computing installations, which are at the basis of web and cloud servers as well as supercomputers, are constrained by two main conflicting requirements: IT power consumption generated by the computing nodes and the heat that must be removed to avoid thermal hazards. In the worst cases, up to 60% of the energy consumed in a data center is used for cooling, often related to an over-designed cooling system. We propose a low-cost and battery-supplied wireless sensor network (WSN) for fine-grained, flexible and long-term data center temperature monitoring. The WSN has been operational collecting more than six million data points, with no losses, for six months without battery recharges. Our work reaches a 300× better energy efficiency than the previously reported WSNs for similar scenarios and on a 7× wider area. The data collected by the network can be used to optimize cooling effort while avoiding dangerous hot spots.
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Acknowledgements
This work was partially supported by a collaboration grant with CINECA. A special thanks for the support to Michele Toni, Massimo Alessio Mauri, Emanuele Sacco is also acknowledged.
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Polonelli, T., Brunelli, D., Bartolini, A., Benini, L. (2019). A LoRaWAN Wireless Sensor Network for Data Center Temperature Monitoring. In: Saponara, S., De Gloria, A. (eds) Applications in Electronics Pervading Industry, Environment and Society. ApplePies 2018. Lecture Notes in Electrical Engineering, vol 573. Springer, Cham. https://doi.org/10.1007/978-3-030-11973-7_20
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DOI: https://doi.org/10.1007/978-3-030-11973-7_20
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