CN103970640A - Method and system for processing system temperature sensor fault of server - Google Patents
Method and system for processing system temperature sensor fault of server Download PDFInfo
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- CN103970640A CN103970640A CN201410191595.3A CN201410191595A CN103970640A CN 103970640 A CN103970640 A CN 103970640A CN 201410191595 A CN201410191595 A CN 201410191595A CN 103970640 A CN103970640 A CN 103970640A
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Abstract
The invention discloses a method and a system for processing system temperature sensor faults of a server, which comprises the following steps: s10: the monitoring management unit polls the temperature sensor through an I2C bus, acquires instant system temperature information and controls the output duty ratio of the fan controller according to the current system temperature condition; s11: when the temperature sensor works normally, the monitoring management unit outputs a high-level GATE signal, and the system fan is controlled by a PWM signal; when the temperature sensor is in fault, the monitoring management unit immediately pulls down the GATE signal, the rotating speed control signal of the fan is directly pulled up to the direct current voltage VCC, and the fan rotates at full speed; s12: and the monitoring management unit obtains correct system temperature information again through polling, and then releases the GATE signal, so that the system fan is controlled by the PWM signal and recovers normal operation. The invention can ensure the reliability and stability of the server, thereby ensuring the stable operation of the computing system.
Description
Technical field
The invention belongs to computer server technical field, relate to a kind of method and system of system temperature sensor fault of processing server.
Background technology
In computer server field, because mainboard size is conventionally all large than the mainboard of general computing machine, and its structure is also than the mainboard structure complexity of general computing machine; Between the monitoring management unit of mainboard and each temperature sensor, possibility a good distance off, can increase like this loss of I2C bus, or the sensor of same I2C bus carry is too much, has caused reducing the driving force of I2C bus.
In actual PCB layout design, same I2C bus can form bifurcated, causes signal delay to increase.Comprehensive above visible, in server, the signal quality of I2C between monitoring management unit and temperature sensor is not easy to be ensured, can produce the error code of certain probability, make temperature sensor be configured to abnormal state of affairs, monitoring management unit can not correctly obtain system temperature information, and fan system is out of control, has a strong impact on reliability and the stability of server.
Visible, to exist for above-mentioned prior art problem, is necessary to develop research in fact, so that a kind of scheme to be provided, ensures reliability and the stability of server, and then ensures the stable operation of computing system.
Summary of the invention
For addressing the above problem, the object of the present invention is to provide a kind of method and system of system temperature sensor fault of processing server, to ensure reliability and the stability of server, and then the stable operation of guarantee computing system.
For achieving the above object, technical scheme of the present invention is:
A method for the system temperature sensor fault of processing server, comprises the steps:
S10: monitoring management unit, by I2C bus poll temperature sensor, obtains instant system temperature information, and according to current system temperature regime, control the output duty cycle of fan governor;
S11: when temperature sensor is normally worked, monitoring management unit output high level GATE signal, makes the complete conducting of Mosfet switch, and system fan is controlled by pwm signal; And when temperature sensor experience fault, or monitoring management unit be can not collect correct temperature information time, monitoring management unit drags down GATE signal immediately, makes Mosfet switch in closed condition, the speed controling signal of fan is moved DC voltage VCC on directly, and fan is rotation at full speed;
S12: monitoring management unit obtains correct system temperature information again by poll, will discharge GATE signal, make system fan be controlled by pwm signal, recover normally to work.
Further, in step S11, monitoring management unit is by I2C bus access temperature sensor, according to system requirements set temperature sensor.
Another technical scheme of the present invention is:
A system for the system temperature sensor fault of processing server, includes monitoring management unit, is connected fan by Mosfet switch by the I2C bus temperature sensor connected with monitoring management unit and fan governor, monitoring management unit respectively with fan governor; Wherein, monitoring management unit, by I2C bus poll temperature sensor, obtains instant system temperature information, and according to current system temperature regime, controls the output pwm signal of fan governor; When temperature sensor is normally worked, monitoring management unit output high level GATE signal, makes the complete conducting of Mosfet switch, and system fan is controlled by pwm signal; And when temperature sensor experience fault, or monitoring management unit be can not collect correct temperature information time, monitoring management unit drags down GATE signal immediately, makes Mosfet switch in closed condition, the speed controling signal of fan is moved DC voltage VCC on directly, and fan is rotation at full speed.
Compared to prior art, the method for the system temperature sensor fault of processing server of the present invention can ensure reliability and the stability of server, and then ensures the stable operation of computing system.
Brief description of the drawings
Fig. 1 is the method flow diagram of the system temperature sensor fault of processing server of the present invention;
Fig. 2 is the system architecture block diagram of the system temperature sensor fault of processing server of the present invention.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
As shown in Figure 1, the method for the system temperature sensor fault of a kind of processing server of the present invention, comprises the steps:
S10: monitoring management unit, by I2C bus poll temperature sensor, obtains instant system temperature information, and according to current system temperature regime, control the output duty cycle (pwm signal) of fan governor.
S11: when temperature sensor is normally worked, monitoring management unit output high level GATE signal, makes the complete conducting of Mosfet switch, and now system fan is controlled by pwm signal; And when temperature sensor experience fault, or monitoring management unit be can not collect correct temperature information time, monitoring management unit drags down GATE signal immediately, makes Mosfet switch in closed condition, now the speed controling signal of fan is moved DC voltage VCC on directly, and fan is rotation at full speed.Meanwhile, monitoring management unit is by I2C bus access temperature sensor, and the bit resetting in temperature sensor is set to effectively, and temperature sensor is reset, and returns to factory state; Monitoring management unit is according to system requirements set temperature sensor again.
S12: monitoring management unit obtains correct system temperature information again by poll, will discharge GATE signal, make system fan be controlled by pwm signal, recover normally to work.
The method of the system temperature sensor fault of a kind of processing server of the present invention is when system temperature sensor experience fault, monitoring management unit can start temperature control emergency measure immediately, open as full speed by rotation speed of the fan, ensure that fan can not reduce because monitoring temperature is malfunctioning rotating speed, thereby cause server to crash or shutdown; In this, simultaneously monitoring management unit can be by I2C bus reset configuration-system temperature sensor again, if temperature sensor is again working properly, monitoring unit is cancelled temperature control emergency measure, and coupling system actual temperature is recovered the normal control to fan.
Figure 2 shows that system architecture diagram of the present invention, shown in Fig. 2, the system of the system temperature sensor fault of processing server of the present invention includes monitoring management unit, is connected fan by Mosfet switch by the I2C bus temperature sensor connected with monitoring management unit and fan governor, monitoring management unit respectively with fan governor.Monitoring management unit, by I2C bus poll temperature sensor, obtains instant system temperature information, and according to current system temperature regime, controls the output pwm signal of fan governor.When temperature sensor is normally worked, monitoring management unit output high level GATE signal, makes the complete conducting of Mosfet switch, and now system fan is controlled by pwm signal; And when temperature sensor experience fault, or monitoring management unit be can not collect correct temperature information time, monitoring management unit drags down GATE signal immediately, makes Mosfet switch in closed condition, now the speed controling signal of fan is moved DC voltage VCC on directly, and fan is rotation at full speed.Meanwhile, monitoring management unit is by I2C bus access temperature sensor, and the bit resetting in temperature sensor is set to effectively, and temperature sensor is reset, and returns to factory state; Monitoring management unit is according to system requirements set temperature sensor again.Monitoring management unit obtains correct system temperature information again by poll, will discharge GATE signal, makes system fan be controlled by pwm signal, recovers normally to work.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (3)
1. a method for the system temperature sensor fault of processing server, is characterized in that, comprises the steps:
S10: monitoring management unit, by I2C bus poll temperature sensor, obtains instant system temperature information, and according to current system temperature regime, control the output duty cycle of fan governor;
S11: when temperature sensor is normally worked, monitoring management unit output high level GATE signal, makes the complete conducting of Mosfet switch, and system fan is controlled by pwm signal; And when temperature sensor experience fault, or monitoring management unit be can not collect correct temperature information time, monitoring management unit drags down GATE signal immediately, makes Mosfet switch in closed condition, the speed controling signal of fan is moved DC voltage VCC on directly, and fan is rotation at full speed;
S12: monitoring management unit obtains correct system temperature information again by poll, will discharge GATE signal, make system fan be controlled by pwm signal, recover normally to work.
2. the method for the system temperature sensor fault of processing server according to claim 1, is characterized in that: in step S11, monitoring management unit is by I2C bus access temperature sensor, according to system requirements set temperature sensor.
3. a system for the system temperature sensor fault of processing server, is characterized in that: include monitoring management unit, be connected fan by Mosfet switch by the I2C bus temperature sensor connected with monitoring management unit and fan governor, monitoring management unit respectively with fan governor; Wherein, monitoring management unit, by I2C bus poll temperature sensor, obtains instant system temperature information, and according to current system temperature regime, controls the output pwm signal of fan governor; When temperature sensor is normally worked, monitoring management unit output high level GATE signal, makes the complete conducting of Mosfet switch, and system fan is controlled by pwm signal; And when temperature sensor experience fault, or monitoring management unit be can not collect correct temperature information time, monitoring management unit drags down GATE signal immediately, makes Mosfet switch in closed condition, the speed controling signal of fan is moved DC voltage VCC on directly, and fan is rotation at full speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410191595.3A CN103970640A (en) | 2014-05-08 | 2014-05-08 | Method and system for processing system temperature sensor fault of server |
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| CN201410191595.3A CN103970640A (en) | 2014-05-08 | 2014-05-08 | Method and system for processing system temperature sensor fault of server |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102645290A (en) * | 2012-04-28 | 2012-08-22 | 浪潮电子信息产业股份有限公司 | Processing method aiming at system temperature sensor fault based on server |
| CN104895817A (en) * | 2015-04-27 | 2015-09-09 | 浪潮集团有限公司 | Method for controlling server fan based on SNMP |
| CN107165849A (en) * | 2017-06-24 | 2017-09-15 | 山东超越数控电子有限公司 | A kind of machine box for server control method for fan based on Redundant Control strategy |
| CN110778514A (en) * | 2018-07-25 | 2020-02-11 | 矽创电子股份有限公司 | Fan control system |
| CN111881002A (en) * | 2020-08-31 | 2020-11-03 | 江苏杰瑞信息科技有限公司 | Monitoring management system and monitoring management method of Feiteng server |
| CN114690868A (en) * | 2022-03-23 | 2022-07-01 | 北京无线电测量研究所 | General fan monitoring and speed regulating system, speed regulating device and case |
| CN115013342A (en) * | 2022-05-26 | 2022-09-06 | 中航光电科技股份有限公司 | Redundancy-designed fan rotating speed control system and method |
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| US6473708B1 (en) * | 1999-12-20 | 2002-10-29 | Bechtel Bwxt Idaho, Llc | Device and method for self-verifying temperature measurement and control |
| CN102645290A (en) * | 2012-04-28 | 2012-08-22 | 浪潮电子信息产业股份有限公司 | Processing method aiming at system temperature sensor fault based on server |
| CN103454016A (en) * | 2013-09-25 | 2013-12-18 | 浪潮电子信息产业股份有限公司 | System temperature sensor fault processing method based on server |
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2014
- 2014-05-08 CN CN201410191595.3A patent/CN103970640A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US6473708B1 (en) * | 1999-12-20 | 2002-10-29 | Bechtel Bwxt Idaho, Llc | Device and method for self-verifying temperature measurement and control |
| CN102645290A (en) * | 2012-04-28 | 2012-08-22 | 浪潮电子信息产业股份有限公司 | Processing method aiming at system temperature sensor fault based on server |
| CN103454016A (en) * | 2013-09-25 | 2013-12-18 | 浪潮电子信息产业股份有限公司 | System temperature sensor fault processing method based on server |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102645290A (en) * | 2012-04-28 | 2012-08-22 | 浪潮电子信息产业股份有限公司 | Processing method aiming at system temperature sensor fault based on server |
| CN102645290B (en) * | 2012-04-28 | 2015-08-26 | 浪潮电子信息产业股份有限公司 | A kind of disposal route for system temperature sensor fault based on server |
| CN104895817A (en) * | 2015-04-27 | 2015-09-09 | 浪潮集团有限公司 | Method for controlling server fan based on SNMP |
| CN104895817B (en) * | 2015-04-27 | 2016-06-08 | 浪潮集团有限公司 | Method for controlling server fan based on SNMP |
| CN107165849A (en) * | 2017-06-24 | 2017-09-15 | 山东超越数控电子有限公司 | A kind of machine box for server control method for fan based on Redundant Control strategy |
| CN107165849B (en) * | 2017-06-24 | 2019-03-01 | 山东超越数控电子有限公司 | A kind of machine box for server control method for fan based on Redundant Control strategy |
| CN110778514A (en) * | 2018-07-25 | 2020-02-11 | 矽创电子股份有限公司 | Fan control system |
| US11248617B2 (en) | 2018-07-25 | 2022-02-15 | Sitronix Technology Corp. | Fan control system |
| CN110778514B (en) * | 2018-07-25 | 2022-02-22 | 矽创电子股份有限公司 | Fan control system |
| CN111881002A (en) * | 2020-08-31 | 2020-11-03 | 江苏杰瑞信息科技有限公司 | Monitoring management system and monitoring management method of Feiteng server |
| CN111881002B (en) * | 2020-08-31 | 2023-08-01 | 江苏杰瑞信息科技有限公司 | Monitoring management system and monitoring management method of Feiteng server |
| CN114690868A (en) * | 2022-03-23 | 2022-07-01 | 北京无线电测量研究所 | General fan monitoring and speed regulating system, speed regulating device and case |
| CN115013342A (en) * | 2022-05-26 | 2022-09-06 | 中航光电科技股份有限公司 | Redundancy-designed fan rotating speed control system and method |
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Application publication date: 20140806 |