CN102645290A - Processing method aiming at system temperature sensor fault based on server - Google Patents
Processing method aiming at system temperature sensor fault based on server Download PDFInfo
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- CN102645290A CN102645290A CN2012101289753A CN201210128975A CN102645290A CN 102645290 A CN102645290 A CN 102645290A CN 2012101289753 A CN2012101289753 A CN 2012101289753A CN 201210128975 A CN201210128975 A CN 201210128975A CN 102645290 A CN102645290 A CN 102645290A
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Abstract
The invention provides a processing method aiming at system temperature sensor fault based on a server. In a complicated server, when the server encounters temperature sensor fault or cannot monitor normal system temperature information, operators can take emergency measures to ensure that system halt or shutdown cannot be caused due to overheat of the system and simultaneously reset or rearrange the temperature sensor so as to lead a system temperature control system to work normally again. The processing method includes: a monitoring management unit immediately adopts a maximum fan rotating speed for control when discovering that the temperature sensor encounters fault so that system halt or shutdown cannot be caused due to overheat of the system; and the monitoring management unit resets the temperature sensor through an I2C and rearranges the temperature sensor according to system requirements so that the temperature sensor can have a chance to recover work normally.
Description
Technical field
The present invention relates to specifically a kind of disposal route to the system temperature sensor fault based on server.
Background technology
In the server field, because the mainboard size is bigger than general computing machine usually, structure is also complicated more; The possibility a good distance off can increase the loss of I2C bus like this between monitoring management unit and each temperature sensor, and perhaps same I2C bus carry sensor is too much, reduces the driving force of I2C bus; In the PCB layout design of reality, same I2C bus can form bifurcated, causes signal delay to increase.To sum up; In server, the signal quality of the I2C between monitoring management unit and the temperature sensor is not easy to be ensured, can produces the error code of certain probability; Make temperature sensor be configured to abnormal state of affairs; The monitoring management unit can not correctly obtain system temperature information, and fan system is out of control, has a strong impact on the reliability and the stability of server.
What this paper set forth is a kind of disposal route to the system temperature sensor fault based on server, though can not avoid the generation of I2C bus error code; But can encounter problems or monitoring unit is in time taken measures can not normally obtain temperature information the time at temperature sensor, guarantee system stable operation.Simultaneously, the method temperature sensor of can also having an opportunity to reconfigure is revised the configuration error that temperature sensor causes because of the I2C error code.Therefore, the method practicality is extremely strong, has high commercial value.
Summary of the invention
The purpose of this invention is to provide a kind of disposal route to the system temperature sensor fault based on server.
The objective of the invention is to realize that by following mode concrete steps are following:
1) the monitoring management unit obtains instant system temperature information through I2C bus poll temperature sensor, and according to current system temperature situation, the output duty cycle of control fan governor;
2) during the temperature sensor operate as normal, monitoring management unit output high level GATE signal makes the complete conducting of Mosfet, and this moment, system fan was controlled by pwm signal;
3) when temperature sensor experience fault; Or the monitoring management unit be can not collect correct temperature information the time, and the monitoring management unit drags down the GATE signal immediately, makes Mosfet be in closed condition; This moment, the speed controling signal of fan was moved DC voltage VCC on directly, and fan rotates at full speed;
4) in execution in step 3) in, the monitoring management unit is through I2C bus access temperature sensor, and the bit that resets in the temperature sensor is set to effectively, and temperature sensor is reset, and returns to factory state; The monitoring management unit is provided with temperature sensor once more according to system requirements;
5) the monitoring management unit obtains correct system temperature information once more through poll, then will discharge the GATE signal, makes system fan be controlled by pwm signal, recovers operate as normal.
The invention has the beneficial effects as follows: though can not avoid the generation of I2C bus error code; But can encounter problems or monitoring unit is in time taken measures can not normally obtain temperature information the time at temperature sensor, guarantee system stable operation.Simultaneously, the method temperature sensor of can also having an opportunity to reconfigure is revised the configuration error that temperature sensor causes because of the I2C error code.Therefore, the method practicality is extremely strong, has high commercial value.
Description of drawings
Fig. 1 is the system architecture synoptic diagram;
Fig. 2 is the fault processing flow chart.
Embodiment
Explanation at length below with reference to Figure of description method of the present invention being done.
In the server of complicacy, when meeting with temperature sensor fault or monitoring, to take emergency measures less than normal system temperature information, safeguards system can be because of not overheated and cause crashing or shutdown; Reset simultaneously and reconfigure temperature sensor, the system temperature control system of making is operate as normal once more, and concrete steps are following:
1) the monitoring management unit obtains instant system temperature information through I2C bus poll temperature sensor, and according to current system temperature situation, the output duty cycle (pwm signal among Fig. 1) of control fan governor;
2) during the temperature sensor operate as normal, monitoring management unit output high level GATE signal makes the complete conducting of Mosfet, and this moment, system fan was controlled by pwm signal;
3) meet with fault when temperature sensor, or the monitoring management unit be can not collect correct temperature information the time, the monitoring management unit drags down the GATE signal immediately, makes Mosfet be in closed condition.This moment, the speed controling signal of fan was moved DC voltage VCC on directly, and fan rotates at full speed;
4) in this simultaneously, the monitoring management unit is through I2C bus access temperature sensor, and the bit that resets in the temperature sensor is set to effectively, and temperature sensor is reset, and returns to factory state; The monitoring management unit is provided with temperature sensor once more according to system requirements;
5) the monitoring management unit obtains correct system temperature information once more through poll, then will discharge the GATE signal, makes system fan be controlled by pwm signal, recovers operate as normal.
Except that the described technical characterictic of instructions, be the known technology of those skilled in the art.
Claims (1)
1. the disposal route of a server when the system temperature sensor fault is characterized in that concrete steps are following:
1) the monitoring management unit obtains instant system temperature information through I2C bus poll temperature sensor, and according to current system temperature situation, the output duty cycle of control fan governor;
2) during the temperature sensor operate as normal, monitoring management unit output high level GATE signal makes the complete conducting of Mosfet, and this moment, system fan was controlled by pwm signal;
3) when temperature sensor experience fault; Or the monitoring management unit be can not collect correct temperature information the time, and the monitoring management unit drags down the GATE signal immediately, makes Mosfet be in closed condition; This moment, the speed controling signal of fan was moved DC voltage VCC on directly, and fan rotates at full speed;
4) in execution in step 3) in, the monitoring management unit is through I2C bus access temperature sensor, and the bit that resets in the temperature sensor is set to effectively, and temperature sensor is reset, and returns to factory state; The monitoring management unit is provided with temperature sensor once more according to system requirements;
5) the monitoring management unit obtains correct system temperature information once more through poll, then will discharge the GATE signal, makes system fan be controlled by pwm signal, recovers operate as normal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210128975.3A CN102645290B (en) | 2012-04-28 | 2012-04-28 | A kind of disposal route for system temperature sensor fault based on server |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210128975.3A CN102645290B (en) | 2012-04-28 | 2012-04-28 | A kind of disposal route for system temperature sensor fault based on server |
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| CN102645290A true CN102645290A (en) | 2012-08-22 |
| CN102645290B CN102645290B (en) | 2015-08-26 |
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| CN201210128975.3A Active CN102645290B (en) | 2012-04-28 | 2012-04-28 | A kind of disposal route for system temperature sensor fault based on server |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102968166A (en) * | 2012-12-12 | 2013-03-13 | 曙光信息产业(北京)有限公司 | Radiator of server system |
| CN103970640A (en) * | 2014-05-08 | 2014-08-06 | 浪潮电子信息产业股份有限公司 | Method and system for processing system temperature sensor fault of server |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106681887A (en) * | 2016-12-30 | 2017-05-17 | 郑州云海信息技术有限公司 | Rack server power supply air intake temperature monitoring protection method |
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| CN1704865A (en) * | 2004-06-02 | 2005-12-07 | 联想(北京)有限公司 | Server heat dissipation administrative system and method thereof |
| CN102003400A (en) * | 2010-12-28 | 2011-04-06 | 易事特电力系统技术有限公司 | Direct current fan speed regulation and fault sensing circuit |
| CN201908860U (en) * | 2010-12-28 | 2011-07-27 | 易事特电力系统技术有限公司 | Direct-current circuit capable of regulating fan speed and detecting fault |
| TW201216072A (en) * | 2010-10-15 | 2012-04-16 | Hon Hai Prec Ind Co Ltd | Server and method for avoiding bus conflicts |
| CN103970640A (en) * | 2014-05-08 | 2014-08-06 | 浪潮电子信息产业股份有限公司 | Method and system for processing system temperature sensor fault of server |
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2012
- 2012-04-28 CN CN201210128975.3A patent/CN102645290B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1704865A (en) * | 2004-06-02 | 2005-12-07 | 联想(北京)有限公司 | Server heat dissipation administrative system and method thereof |
| TW201216072A (en) * | 2010-10-15 | 2012-04-16 | Hon Hai Prec Ind Co Ltd | Server and method for avoiding bus conflicts |
| CN102003400A (en) * | 2010-12-28 | 2011-04-06 | 易事特电力系统技术有限公司 | Direct current fan speed regulation and fault sensing circuit |
| CN201908860U (en) * | 2010-12-28 | 2011-07-27 | 易事特电力系统技术有限公司 | Direct-current circuit capable of regulating fan speed and detecting fault |
| CN103970640A (en) * | 2014-05-08 | 2014-08-06 | 浪潮电子信息产业股份有限公司 | Method and system for processing system temperature sensor fault of server |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102968166A (en) * | 2012-12-12 | 2013-03-13 | 曙光信息产业(北京)有限公司 | Radiator of server system |
| CN103970640A (en) * | 2014-05-08 | 2014-08-06 | 浪潮电子信息产业股份有限公司 | Method and system for processing system temperature sensor fault of server |
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| CN102645290B (en) | 2015-08-26 |
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