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Server fan monitoring method, device and system

A server and fan technology, applied in hardware monitoring, instrumentation, electrical digital data processing, etc., can solve the problems of inability to monitor the wind speed of the fan outlet and poor monitoring accuracy

Pending Publication Date: 2021-05-14
神威超算(北京)科技有限公司
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Problems solved by technology

[0005] The existing fan monitoring methods, on the one hand, cannot monitor the wind speed of the fan outlet, on the other hand, because different PWMs that control the fan speed can produce different fan wind speeds, and the standard wind speed produced by different PWM duty ratios is very small. Difficult to detect comprehensively, resulting in poor monitoring accuracy of existing fan monitoring methods

Method used

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  • Server fan monitoring method, device and system
  • Server fan monitoring method, device and system
  • Server fan monitoring method, device and system

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Embodiment Construction

[0083] Exemplary embodiments of the present invention are described below in conjunction with the accompanying drawings, which include various details of the embodiments of the present invention to facilitate understanding, and they should be regarded as exemplary only. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the embodiments described herein can be made without departing from the scope and spirit of the invention. Also, descriptions of well-known functions and constructions are omitted in the following description for clarity and conciseness.

[0084] Currently, if figure 1 As shown, for server heat dissipation, the baseboard management controller 101 (baseboard management controller, BMC) generally outputs pulse width modulation (Pulse Width Modulation, PWM), drives the rotor of the motor 1021 of the fan 102, and the rotor of the motor 1021 drives the fan. The fan blades 1022 rotate to achieve the purpose of co...

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Abstract

The invention discloses a server fan monitoring method, device and system, and relates to the technical field of computers. One specific implementation mode of the method comprises the steps of obtaining the current air speed and the current pulse width modulation duty ratio of an air outlet of a fan; calculating a current wind speed ratio according to the current wind speed and a stored reference wind speed; according to the corresponding relation between the stored pulse width modulation duty ratio and the wind speed ratio and the current pulse width modulation duty ratio, judging whether the current wind speed ratio meets a preset abnormal condition or not, and if yes, generating abnormal information for the fan. According to the embodiment, whether the current wind speed of the fan is abnormal or not can be accurately obtained.

Description

technical field [0001] The present invention relates to the technical field of server monitoring, in particular to a method, device and system for monitoring a server fan. Background technique [0002] In order to prevent the server’s fan from running abnormally and cause the server’s operating temperature to be too high, it is necessary to monitor the working status of the fan to detect the abnormal operation of the fan in time and to check and repair the fan. [0003] The existing way of monitoring the fan is mainly by arranging the Hall sensor near the rotor of the fan motor. When the motor and the fan motor are rotating, the BMC can calculate the wind speed of the fan through the signal fed back by the Hall sensor, and then judge whether the fan is running normally or abnormally based on the calculated wind speed. [0004] In the course of realizing the present invention, the inventor finds that there are at least the following problems in the prior art: [0005] The e...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F11/30G06F11/32
CPCG06F11/3058G06F11/327
Inventor 王嘉诚狄浩成
Owner 神威超算(北京)科技有限公司
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