The effect of heat dissipation in the machine room is closely related to the selection and placement of cabinets

有关机柜很容易被忽略。目前液冷(或称水冷)机柜是讨论多的话题，更准确的描述是采 用液冷门的机柜。高密度服务器部署是数据中心建设发展的必然，由此而引发的散热问题，理应引起高度的重视。小小一个机柜，蕴含着巨大的玄机。新一代数据中心是当今的热点，无论是资源整合、虚拟化;还是绿色、自动化以及管理，都是业界津津乐道的话题。

Relevant cabinets are easily ignored. At present, liquid cooling (or water cooling) cabinet is the most discussed topic, and a more accurate description is the cabinet with liquid cooling door. The deployment of high-density servers is inevitable for the construction and development of data centers. The resulting heat dissipation problem should be paid great attention. A small cabinet contains a huge mystery. The new generation data center is a hot spot today, whether it is resource integration or virtualization; Green energy conservation, automation and safety management are all topics that the industry likes to talk about.

对于差一些的数据中心，其电力配备就只有6.8A，对于刀片服务器而言。一个满配的刀片服务器，其所需要的电力大约为10A。

For poor data centers, the power allocation is only 6.8a, and for blade servers. A fully equipped blade server requires about 10a of power.

按照数据中心现有的能力计算，10A电力配备显然无法满足更多台刀片服务器部署的需求，电力不足的矛盾非常突出。如何解决供电不足的难题，容易想到的是从扩容入手。实际上，在数据中心或者是楼宇构建之初，对于电力容量就有一定的测算。如今，增加电力容量，这就需要电力部门进行扩容，并涉及到相应的线路、开关等设备的改造，其所牵涉的因素很多，受制约的因素也很多。

According to the existing capacity of the data center, the 10A power configuration obviously can not meet the deployment needs of more blade servers, and the contradiction of power shortage is very prominent. How to solve the problem of insufficient power supply, the easiest thing to think of is to start with capacity expansion. In fact, at the beginning of the construction of the data center or building, there is a certain calculation of the power capacity. Nowadays, increasing the power capacity requires the power sector to expand the capacity, and involves the transformation of corresponding lines, switches and other equipment, which involves many factors and restricted factors.

对于现有用电情况进行合理调整，是应对电力不足的另外一个解决办法，通过采用一套称之为"适应性数据高可用管理的方案工具，对现有一些企业的数据中心进行监控，结果发现，10%左右的电力能耗用于灯光照明等，而用于IT设备的电力消耗大约只有30%，其余大量的电力消耗在制冷，也就是说，运营管理的成本已经大大超过了设备的实际使用成本。

Another solution to the power shortage is to reasonably adjust the existing power consumption. By using a set of solution tools called "adaptive data high availability management", we monitor the data centers of some existing enterprises. It is found that about 10% of the power consumption is used for lighting, while only about 30% is used for it equipment, The remaining large amount of power is consumed in refrigeration, that is, the cost of operation and management has greatly exceeded the actual use cost of the equipment.

通过合理的布局，以及科学的热力模型设计，将可以大大降低运营维护设备的电力消耗，有效缓解电力不足的矛盾，从机柜入手空调制冷成本的居高不下，与机架/机柜以及散热模型的设计有关。

Through reasonable layout and scientific thermal model design, the power consumption of operation and maintenance equipment can be greatly reduced and the contradiction of power shortage can be effectively alleviated. Starting from the cabinet, the high cost of air conditioning refrigeration is related to the design of rack / cabinet and heat dissipation model.

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