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Method and system for judging server fan damage

A server and fan technology, applied in the field of server cooling, can solve the problems of incomplete fan fault monitoring, server cooling risks, fans not working, affecting system air volume, etc., to optimize the fan damage monitoring mechanism, avoid fan false alarms, and ensure normal operation. Effect

Inactive Publication Date: 2017-05-17
ZHENGZHOU YUNHAI INFORMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing server systems use multiple fans for heat dissipation. When a fan fails, the air volume of the whole machine will be lower than the actual required air volume, resulting in problems with system heat dissipation, which in turn affects the normal operation of the server.
When the fan is working, there will be many failures that affect the air volume of the system. There are two main types: 1. The fan PCB board is damaged and the fan cannot work; 2. After the fan works for a long time, the fan speed gradually decreases.
The existing server fan damage monitoring mechanism can only judge the first case, that is, the fan is completely damaged and cannot work, but it cannot monitor the second case
Incomplete monitoring of fan faults will lead to potential heat dissipation risks in the server, which cannot guarantee the normal operation of the server, and needs further improvement

Method used

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  • Method and system for judging server fan damage
  • Method and system for judging server fan damage

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Such as figure 1 As shown, the method for judging server fan damage of the present invention is based on the function of the BMC chip to monitor the duty cycle of the fan and the fan speed synchronously in real time, and send the monitored information to the fan damage judgment module in the BMC, and the fan damage judgment The module integrates two kinds of fan fault judgment algorithms, which are used to judge the fan speed is zero and not zero respectively. If the fan speed is zero, no fan speed signal is sent back to the BMC. Set the speed to be zero within 3s, confirm that the fan is damaged, start an alarm and call the fan control mechanism when the fan is damaged; set the speed to not always be zero within 3s, then If it is impossible to determine whether the fan is damaged, start the fan damage determination module again to determine. If the fan speed is not zero, the fan is normal or slightly damaged, and the speed drops. Further, according to the formula corr...

Embodiment 2

[0029] Such as figure 2 As shown, the system for judging server fan damage of the present invention includes:

[0030] Fan control module: used to monitor the duty cycle signal of the fan and the speed signal of the fan.

[0031] Fan damage determination module: used to determine whether the fan is damaged according to the fan duty ratio signal and the fan speed signal. Two kinds of fan failure judgment algorithms are integrated in the fan damage judgment module, which are used to judge the situation that the fan speed is zero and not zero respectively. If the fan speed is zero, the fan speed signal is not sent back to the BMC. If the fan speed is always zero within 3s, it is confirmed that the fan is damaged, the alarm is activated and the fan control mechanism is invoked when the fan is damaged; if the fan speed is not always zero within 3s , then it cannot be determined whether the fan is damaged, and the fan damage determination module is started again for determination...

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Abstract

The invention discloses a method and system for judging server fan damage and belongs to the technical field of server heat dissipation. The method for judging server fan damage comprises the steps that synchronous real-time monitoring is conducted on the duty ratio and rotation speed of a fan based on a BMC chip function, monitored information is sent to a fan damage judging module in a BMC, and two fan damage judging algorithms are integrated in the fan damage judging module and are respectively used for judging whether the rotation speed of the fan is zero or not, a fan rotation speed free signal corresponding to zero fan rotation speed is transmitted back to the BMC, it is indicated that the fan is completed damaged, an alarm is started, and a fan adjustment and control mechanism during fan damage is called; when the fan rotation speed is not zero, the fan is normal or slightly damaged, and the rotation speed is reduced. The method for judging server fan damage conducts synchronous real-time monitoring on the duty ratio and rotation speed of the fan, fan faults are confirmed according to the monitored information, and the method has a very good popularization and application value.

Description

technical field [0001] The invention relates to the technical field of server heat dissipation, and specifically provides a method and system for judging damage to a server fan. Background technique [0002] Compared with traditional computers, servers have better scalability, ease of use, and ease of management, and are widely used by large enterprises. With the further development of the economy, users have higher and higher requirements on the performance of the server, and the corresponding hardware functions of the server have been optimized. With the improvement of server performance, the server generates more heat during operation. In order for the server to operate normally, it is the top priority to discharge the generated heat in time. Existing server systems use multiple fans for heat dissipation. When a fan fails, the air volume of the whole machine will be lower than the actual required air volume, resulting in problems with system heat dissipation, which in tu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F11/30G06F11/34
CPCG06F11/3058G06F11/3452
Inventor 于光义
Owner ZHENGZHOU YUNHAI INFORMATION TECH CO LTD
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