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    Failure Analysis of Direct Liquid Cooling System in Data Centers

    Source: Journal of Electronic Packaging:;2018:;volume( 140 ):;issue: 002::page 20902
    Author:
    Alkharabsheh, Sami
    ,
    Puvvadi, Udaya L. N.
    ,
    Ramakrishnan, Bharath
    ,
    Ghose, Kanad
    ,
    Sammakia, Bahgat
    DOI: 10.1115/1.4039137
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: In this paper, the impact of direct liquid cooling (DLC) system failure on the information technology (IT) equipment is studied experimentally. The main factors that are anticipated to affect the IT equipment response during failure are the central processing unit (CPU) utilization, coolant set point temperature (SPT), and the server type. These factors are varied experimentally and the IT equipment response is studied in terms of chip temperature and power, CPU utilization, and total server power. It was found that failure of this cooling system is hazardous and can lead to data center shutdown in less than a minute. Additionally, the CPU frequency throttling mechanism was found to be vital to understand the change in chip temperature, power, and utilization. Other mechanisms associated with high temperatures were also observed such as the leakage power and the fans' speed change. Finally, possible remedies are proposed to reduce the probability and the consequences of the cooling system failure.
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      Failure Analysis of Direct Liquid Cooling System in Data Centers

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4254138
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    • Journal of Electronic Packaging

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    contributor authorAlkharabsheh, Sami
    contributor authorPuvvadi, Udaya L. N.
    contributor authorRamakrishnan, Bharath
    contributor authorGhose, Kanad
    contributor authorSammakia, Bahgat
    date accessioned2019-02-28T11:14:08Z
    date available2019-02-28T11:14:08Z
    date copyright5/9/2018 12:00:00 AM
    date issued2018
    identifier issn1043-7398
    identifier otherep_140_02_020902.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4254138
    description abstractIn this paper, the impact of direct liquid cooling (DLC) system failure on the information technology (IT) equipment is studied experimentally. The main factors that are anticipated to affect the IT equipment response during failure are the central processing unit (CPU) utilization, coolant set point temperature (SPT), and the server type. These factors are varied experimentally and the IT equipment response is studied in terms of chip temperature and power, CPU utilization, and total server power. It was found that failure of this cooling system is hazardous and can lead to data center shutdown in less than a minute. Additionally, the CPU frequency throttling mechanism was found to be vital to understand the change in chip temperature, power, and utilization. Other mechanisms associated with high temperatures were also observed such as the leakage power and the fans' speed change. Finally, possible remedies are proposed to reduce the probability and the consequences of the cooling system failure.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleFailure Analysis of Direct Liquid Cooling System in Data Centers
    typeJournal Paper
    journal volume140
    journal issue2
    journal titleJournal of Electronic Packaging
    identifier doi10.1115/1.4039137
    journal fristpage20902
    journal lastpage020902-8
    treeJournal of Electronic Packaging:;2018:;volume( 140 ):;issue: 002
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
    نرم افزار کتابخانه دیجیتال "دی اسپیس" فارسی شده توسط یابش برای کتابخانه های ایرانی | تماس با یابش
    yabeshDSpacePersian