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type="text/css"></style> <div id="ct" class="ct2 wp cl"> <div class="mn"> <div class="bm_haa cl"> <div class="bm_h cl"> <a href="http://www.oecr.com/portal.php?mod=rss&catid=62" class="y xi2 rss" target="_blank" title="RSS">订阅</a><h1 class="xs2">文章</h1> </div></div> <div class="kjkjb"> <div class="bm vw" style="margin-bottom:0;"> <div class="h hm"> <div class="zxtoux"><img src="http://www.oecr.com/uc_server/avatar.php?uid=54876&size=small" /></div> <h1 class="ph">泡在油里冷却的服务器 </h1> <p class="xg1"> 时间：2012-9-13 19:35<a class="zz" href="home.php?mod=space&uid=54876">作者：update</a> 阅读<em id="_viewnum">(9691)</em> 评论: <a href="http://www.oecr.com/portal.php?mod=comment&id=2972&idtype=aid" title="查看全部评论"><em id="_commentnum">2</em></a></p> <div class="zxfb" ><a href="http://www.oecr.com/portal.php?mod=rss&catid=62" class="y xi2 rss" target="_blank" title="RSS">订阅</a></div> </div> <!--[diy=diysummarytop]--><div id="diysummarytop" class="area"></div><!--[/diy]--> <div class="s"> <div class="ss"><div><span>导读： </span>英特尔公司最近完成了历时一年的液态冷却技术测试。在这套由得克萨斯州奥斯汀的Green Revolution Cooling公司制造的系统中，服务器是插在充满矿物油的定制服务器机柜中的。据该公司称，这样可以让服务器的能耗降低10 ...</div> </div> <!--[diy=diysummarybottom]--><div id="diysummarybottom" class="area"></div><!--[/diy]--> <div class="d"> <!--[diy=diycontenttop]--><div id="diycontenttop" class="area"></div><!--[/diy]--> <table cellpadding="0" cellspacing="0" class="vwtb"><tr><td id="article_content"><p>把电脑泡在热油里听起来有点草率。但让服务器浸在油中几个月后，英特尔表明，这样可以令服务器的工作效率更高。<br><br>英特尔公司最近完成了历时一年的液态冷却技术<a href="http://opticaltest.oecr.com" target="_blank" class="relatedlink">测试</a>。在这套由得克萨斯州奥斯汀的Green Revolution Cooling公司制造的系统中，服务器是插在充满矿物油的定制服务器机柜中的。据该公司称，这样可以让服务器的能耗降低10%到15%，并且让冷却设备的能耗降低90%。<br><br>这种服务器机柜替代品可以安装现成的服务器。而且因为油是不导电的，所以<a href="http://electronic.oecr.com" target="_blank" class="relatedlink">电子</a>器件不会发生短路。油在机柜中循环流动，通过一个热交换器进行冷却。</p><p><a href="data/attachment/portal/201209/13/193451vswxo22zsksomxxr.jpg" target="_blank"><img src="data/attachment/portal/201209/13/193451vswxo22zsksomxxr.jpg"></a></p><p> 英特尔的高级功率和散热架构师麦克•帕特森（Mike Patterson）说，该公司正在评估包括这种液冷技术在内的数种全新冷却技术，以更充分地研究能够大幅度降低能耗的方法。 数据中心是耗能大户，在运营成本中电费占了很大一块。在某些情况下，公司们甚至得不到足够的电能来运行并适当地冷却这些设备。<br><br> 这家芯片制造巨头非常喜爱这种浸入式的冷却方案，甚至开始考虑为这种技术制造专门的服务器。为了在液体中工作，服务器需要移除风扇并密封硬盘，并做出一些其他调整。帕特森说，为浸入式冷却设计的服务器需要适于液冷的散热器（跟用空气散热的不同），而且没有风扇，需要使用固态硬盘。英特尔在测试中发现Green Revolution Cooling的系统用于冷却的耗电量只有服务器总能耗的2到3%，这是相当低的。<br><br>Green Revolution Cooling的技术特别适用于高性能计算系统，在这种情况下，服务器们为了协调一致进行复杂的计算需要摆放的非常靠近彼此。服务器的高密度意味着服务器和冷却系统需要承受高功率负荷。对于数据中心来说，用于冷却的能量可能达到总耗能的一半之多。尽管能效最高的数据中心冷却耗能可以控制在总耗能的10%之内。<br><br> 这家成立3年的创业公司的业务拓展总监安迪•普莱斯（Andy Price）说，公司的第一个客户之所以尝试采用浸入式冷却不仅是为了提高能效，也是为了提高元件的可靠性。因为包括图形处理器在内的一些处理器运行速度太快、温度太高，从而导致故障率较高。而浸在矿物油中可以让服务器在较低的温度下运行，他说。<br><br> 普莱斯说，建设一座高性能计算实验室的投资一般在不到两年的时间内即可收回。公司也在寻求运营云计算数据中心的客户。<br><br> 液冷技术已经出现了许多年。Cray公司的超级计算机就采用的液体冷却，而IBM也有一套系统可以让水直接从服务器的处理器旁边通过来带走热量。而现在液冷变得更受关注，是由于数据中心运营者正在努力提高能效并降低能量负荷，特别为了那些高性能的超级计算机。<br> 帕特森说，浸入油中的冷却方法的主要难点在于要让人们习惯于这种方式。比方说，数据中心的管理者不能再像过去一样走到服务器前插进去一块新的内存模块，在换新内存之前，他们需要把服务器从油槽中提出来，把油排光再进行操作。<br><br> 他说：“这确实是一种不同的操作思维，你必须改变思考方式。”</p> <div><font color="#808080" size="2"><img src="http://www.oecr.com/xwb/images/bgimg/icon_logo.png"> 已同步至 <a href="http://api.t.sina.com.cn/2200118572/statuses/3489887003496986" target="_blank">update的微博</a></font></div></td></tr></table> <!--[diy=diycontentbottom]--><div id="diycontentbottom" class="area"></div><!--[/diy]--> <script src="data/cache/home.js?E5r" type="text/javascript"></script> <div id="click_div"><table cellpadding="0" cellspacing="0" class="atd"> <tr><td> <a href="http://club.oecr.com/home.php?mod=spacecp&ac=click&op=add&clickid=1&idtype=aid&id=2972&hash=4a2f1111b39d24170ac3cff417bceadc&handlekey=clickhandle" id="click_aid_2972_1" onclick="showWindow(this.id, this.href);doane(event);"> <div class="atdc"> <div class="ac3" style="height:5px;"> <em>1</em> </div> </div> <img src="static/image/click/jidan.gif" alt="" /><br 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