Illustration of rack-mounted server chassis and power supply

The chassis and power of the rack-mounted server-Linux Enterprise Application-Linux server application information is illustrated below. First, let's know what a rack server is.

As a server model designed for the Internet, rack servers are servers designed according to uniform standards and used together with cabinets. The Rack server is 19 inch in width and the height is U (1U = 1.75 inch = 44.45mm). There are usually 1U, 2U, 3U, 4U, 5U, 7U standard servers. The cabinet size also adopts general industrial standards, usually ranging from 22U to 42U. The cabinet has a detachable sliding drag frame based on the height of U. You can flexibly adjust the height according to the height of your server, to store network devices such as servers, hubs, and disk cabinets. After the server is placed, all its I/O lines are drawn from the rear of the Cabinet (all the interfaces of the Rack server are also located at the rear), which are uniformly placed in the cable slot of the Cabinet, it is usually labeled to facilitate management.

Rack server chassis




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Network servers require no shutdown for 7 × 24 hours. Therefore, they impose extremely demanding requirements on server stability. Server heat dissipation is one of the most critical factors affecting server stability. Due to the small space of rack-mounted servers, the server's processor emits a large amount of heat. Therefore, if the chassis design is unreasonable, resulting in poor heat dissipation, server crashes and restarts frequently.

There are many manufacturers in China that provide rack-mounted chassis. In order to save costs, it is very simple to handle the chassis, for example, replacing the long chassis with ultra-short chassis, replacing a professional fan with a common heat sink causes thermal dissipation problems due to unreasonable layout in the chassis.

Rack server Power Supply




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Server power supply is crucial, considering that many Internet servers are used at high loads. For example, some servers run large forums and chat rooms within 24 hours, and the CPU usage is usually over 50%, in this way, the power requirement on the power supply is very high. Once the power supply is unqualified, the CPU continues to be too high, and the server crashes and restarts.

In addition, if you use multiple CPUs, multiple hard disks, and other servers, the power requirements are also very powerful.