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The content of this article mainly focuses on how to improve efficiency through server energy consumption tools. The content of the article is clear and clear. It is very suitable for beginners to learn and is worth reading. Interested friends can follow the editor to read together. I hope you can get something through this article!

Energy efficiency is a key consideration when purchasing servers. After all, the power consumed by the server directly affects the power and cooling costs of the enterprise data center.

Server energy consumption should be considered in the procurement and maintenance process to determine which hardware is effective and optimize power costs.

When buying energy-efficient hardware, you should recognize two energy certifications: Energy Star and 80 Plus.

Specialized hardware certification

Make sure the new server is labeled "Energy Star". Energy Star-certified servers consume 30% less power than uncertified models. Energy Star is certified by the Environmental Protection Agency and its standards cover power management functions, real-time power measurement, and reduction of energy consumption during active and idle operations.

80 Plus certification does not assess the power consumption or overall efficiency of the server, but focuses on the server's power unit (PSU). An 80 Plus certified PSU must be at least 80% efficient when operating at 20%, 50%, and 100% of its rated load. There are six different levels of Plus certification: standard, Bronze, Silver, Gold, Platinum and Titanium.

These certification levels refer to the percentage of conversion efficiency at 20% light load and 100% full load and their specific power factor, which refers to the ratio of input PSU power to output PSU power. In order to achieve a higher level of 80 Plus certification, PSU must be more efficient over time.

Tools for testing server energy consumption

There are many devices and technologies that can evaluate or verify the efficiency of the server. Enterprise-class uninterruptible power supplies (UPS) are usually equipped with electricity meters that show the amount of power consumed by any connected device. When using these meters, the key is to know what metrics they report and how to use them to track server energy consumption and configure hardware accordingly. Common indicators include battery health and operating time, as well as input and output voltage.

You should confirm that you need to convert metrics to effectively manage power consumption. Many connected devices use amperes to represent power consumption. If you have to know how many watts the equipment uses, you need to multiply the amperes used by the volts consumed by the equipment. This calculation will tell you how many watts the server needs to support these connections.

Administrators can also use the server efficiency rating tool (SERT) suite of Standard Performance Evaluation Corporation (SERT) to test server energy consumption. The tool uses standardized benchmarking techniques to calculate various server and workload efficiency scores that quantify the energy efficiency of the server. The SERT suite tests processors, memory, storage, and applications at various load levels, and then provides machine-ready and administrator-readable data.

There are also hardware tools to help manage power consumption, including external power meters, such as the P3 International Kill A Watt meter. When using a meter to monitor power consumption, track power consumption for at least a week. Short-term monitoring data may be inaccurate because peak workload and maintenance tasks can lead to fluctuations in power usage.

Online calculators can also help you determine server energy consumption without having to calculate each server or connected device. Rack Solutions provides this kind of calculator. This calculator helps you determine the power consumed at the rack level and the number of watts per square foot. This information is useful when building a new data center or adding new hardware to an existing data center.

To get more help during power planning, you can also turn to hardware vendors who provide data on the power consumption of their products through materials and configuration tools. Tripp Lite provides a load calculator to simplify the estimation process, which provides power consumption data for a variety of servers, through which you can confirm that your UPS hardware can effectively support any server or connected device hardware.

The vendor's power metrics may not always take into account specific configurations or modifications. Installing components such as hard drives or video cards will cause the power requirements of the server to exceed the vendor's benchmark. However, a separate online calculator can help you estimate how much power the server will consume based on the server's hardware specifications.

There are a lot of resources available to assess server power consumption. No matter which method you choose, make sure that the power management feature of the operating system is enabled. Without this management feature, you will not be able to use any server energy saving or reporting features.

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