CN103970632A - Method for restoring default fan rotating speed of Smart Rack cabinet - Google Patents
Method for restoring default fan rotating speed of Smart Rack cabinet Download PDFInfo
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- CN103970632A CN103970632A CN201410227096.5A CN201410227096A CN103970632A CN 103970632 A CN103970632 A CN 103970632A CN 201410227096 A CN201410227096 A CN 201410227096A CN 103970632 A CN103970632 A CN 103970632A
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- fan
- control board
- rotation speed
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- management mainboard
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Abstract
The invention provides a method for restoring the default fan rotating speed of a Smart Rack cabinet, and belongs to the field of computers. According to the method, the characteristic that a management main board periodically has access to a fan control panel is fully taken into consideration, the fan control panel judges whether the management main board loses efficacy or not by calculating the duration between the current time and the previous time when the management main board has access to the fan control panel, and different fan rotating speed control strategies are adopted according to the states of the management main board. Thus, it is ensured that the fan rotating speed can still meet the requirement for heat dissipation when the management main board loses efficacy.
Description
technical field
the present invention relates to electronic applications, specifically a kind of Smart Rack rack recovers the method for fan acquiescence rotating speed.
Background technology
With respect to traditional frame and blade server, complete machine cabinet server S martrack is the server of a class innovation form, broken the mentality of designing of traditional server, take standard rack as designing unit, the heat radiation of traditional server and supply module, administration module are concentrated to unified power supply, fan wall and the administration module into frame, traditional server is only as the computing module of frame, this product is that cloud data center is calculated and memory module, is also that conventional data centers is to cloud computing data center evolution the only way which must be passed.
Management mainboard is widely used among large server and Smart rack rack, by plate, PSU and fan control board in management mainboard connected node, thereby realize by management mainboard and read large server and rack rack power supply information, server node information and read and control fan information in rack, thus realize the unified power supply of large server and Smart rack rack, unified heat radiation, unified management and unified control.
Conventional unified heat dissipating method is that management mainboard arranges the rotation speed of the fan of fan control board by I2C.Also be accompanied by server and rack rack needs the increase of management information simultaneously, and management mainboard application program becomes complicated.The probability that management mainboard goes wrong also increases greatly.When management mainboard lost efficacy, on fan control board, rotation speed of the fan can not regulate and control like this, and then occurs that rotation speed of the fan can not meet the requirement of node heat radiation in Smart Rack rack, causes node to break down because of excess Temperature.
Summary of the invention
In order to address the above problem, the invention provides a kind of method that fan recovers acquiescence rotating speed.By this method, fan control board can fast detecting lose efficacy to management mainboard, and controlled rotation speed of the fan for acquiescence rotating speed.Thereby guaranteed at Smart Rack rack, in the situation that management mainboard lost efficacy, still can meet the demand of node heat radiation.
The invention provides a kind of method that Smart Rack cabinet fan recovers acquiescence rotating speed.By this method, fan control board can fast detecting loses efficacy to management mainboard, and controlled rotation speed of the fan and revert to acquiescence rotating speed.Thereby guaranteed that, in the situation that management mainboard lost efficacy, rotation speed of the fan can meet the requirement of node heat radiation in Smart Rack rack.Main main points of the present invention are as follows: fan control board determines by timer whether the time interval, fan control board that current time is sponsored access to last management lost efficacy and according to the different state of management mainboard, carry out the control strategy of different control rotation speeds of the fan with fan control board according to this time interval judgement management mainboard.By this method, fan control board can be judged the current state of management mainboard fast, guarantees that, when management mainboard lost efficacy, rotation speed of the fan still can meet the requirement of node heat radiation in Smart Rack rack simultaneously.
Concrete steps are as follows:
(1) management mainboard is periodically read fan control board fan rotary speed information and rotation speed of the fan information is set by I2C;
(2) fan control board determines that by timer current time arrives the time interval of last management mainboard access;
(3) if the time interval be less than the maximum time interval of setting, judge that management mainboard did not lose efficacy, fan control board switches GPIO by dragging down rotation speed of the fan, makes rotation speed of the fan in fan control board state of a control, and the rotation speed of the fan then sending according to management mainboard is controlled fan;
(4) if interval greater than the maximum time interval of setting, fan control board switches GPIO by drawing high rotation speed of the fan, makes rotation speed of the fan recover acquiescence rotation speed of the fan.
When management mainboard is accessed fan control board by I2C, the current time of fan control board record access, and determine the current time interval to last access of management mainboard by timer.
By this method, fan control board can be controlled rotation speed of the fan flexibly, guarantees that, when management mainboard lost efficacy, rotation speed of the fan still can meet the requirement of node heat radiation in Smart Rack rack simultaneously.
The invention has the beneficial effects as follows:
By this method, fan control board can fast detecting loses efficacy to management mainboard, and controlled rotation speed of the fan and revert to acquiescence rotating speed.Thereby guaranteed that, in the situation that management mainboard lost efficacy, rotation speed of the fan can meet the requirement of node heat radiation in Smart Rack rack.
Based on management mainboard and fan control board, use more large server and Smart rack rack project.Can realize fan control board and control rotation speed of the fan in a kind of mode more flexibly, facilitate the state of fan control board detection management mainboard simultaneously, for not regulating and controlling rotation speed of the fan when management mainboard loses efficacy, by fan control mainboard, switching rotation speed of the fan is that acquiescence rotating speed is provided convenience, thereby has solved the problem that can not meet node heat radiation when management mainboard inefficacy rotation speed of the fan.
Accompanying drawing explanation
Accompanying drawing 1 control framework for rotating speed of fan figure;
Accompanying drawing 2 fan control boards recover fan acquiescence rotating speed process flow diagram.
Embodiment
As described in summary of the invention, the content that the fan control board of mentioning in the present invention recovers fan acquiescence rotating speed comprises: fan control board determines that by timer the current time interval to last access, fan control board judge according to this time interval whether management mainboard lost efficacy with fan control board according to the control strategy of managing the different state of mainboard and carry out different control rotation speeds of the fan.
First, management mainboard is periodically read fan control board rotation speed of the fan information and rotation speed of the fan information is set by I2C.
Secondly, fan control board detection management mainboard failure state information.Management mainboard is periodically read fan control board rotation speed of the fan information and rotation speed of the fan information is set by I2C, when management mainboard is accessed fan control board by I2C, the current time of fan control board record access, and determine the current time interval to last access of management mainboard by timer.If the time interval is less than the maximum time interval of setting, judge that management mainboard current state did not lose efficacy.If interval greater than the maximum time interval of setting, judge that management mainboard current state lost efficacy.
Three, fan control board judges that management mainboard does not have the fan control strategy losing efficacy.If fan control board is judged management, mainboard did not lose efficacy, and fan control board switches GPIO by dragging down rotation speed of the fan, makes rotation speed of the fan in fan control board state of a control, and the rotation speed of the fan then sending according to management mainboard is controlled fan;
Finally, fan control board is judged the fan control strategy that management mainboard lost efficacy.Fan control board, by drawing high rotation speed of the fan GPIO, makes rotation speed of the fan recover acquiescence rotation speed of the fan.
By this method, fan control board can fast detecting lose efficacy to management mainboard, and controlled rotation speed of the fan for acquiescence rotating speed.Thereby guaranteed at Smart Rack rack, in the situation that management mainboard lost efficacy, still can meet the demand of node heat radiation.
Facilitate the state of fan control board detection management mainboard, in the time of can not regulating and controlling rotation speed of the fan for losing efficacy when management mainboard, by fan control mainboard, switching rotation speed of the fan is that acquiescence rotating speed is provided convenience, thereby has solved the problem that can not meet node heat radiation when management mainboard inefficacy rotation speed of the fan.
Claims (3)
1. Smart Rack rack recovers a method for fan acquiescence rotating speed, it is characterized in that
Fan control board determines by timer the time interval that current time is sponsored access to last management, and whether fan control board lost efficacy and according to the different state of management mainboard, carry out the control strategy of different control rotation speeds of the fan with fan control board according to this time interval judgement management mainboard.
2. method according to claim 1, is characterized in that
Concrete steps are as follows:
(1) management mainboard is periodically read fan control board fan rotary speed information and rotation speed of the fan information is set by I2C;
(2) fan control board determines that by timer current time arrives the time interval of last management mainboard access;
(3) if the time interval be less than the maximum time interval of setting, judge that management mainboard did not lose efficacy, fan control board switches GPIO by dragging down rotation speed of the fan, makes rotation speed of the fan in fan control board state of a control, and the rotation speed of the fan then sending according to management mainboard is controlled fan;
(4) if interval greater than the maximum time interval of setting, fan control board switches GPIO by drawing high rotation speed of the fan, makes rotation speed of the fan recover acquiescence rotation speed of the fan.
3. method according to claim 2, is characterized in that when management mainboard is accessed fan control board by I2C, the current time of fan control board record access, and determine the current time interval to last access of management mainboard by timer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410227096.5A CN103970632A (en) | 2014-05-27 | 2014-05-27 | Method for restoring default fan rotating speed of Smart Rack cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410227096.5A CN103970632A (en) | 2014-05-27 | 2014-05-27 | Method for restoring default fan rotating speed of Smart Rack cabinet |
Publications (1)
| Publication Number | Publication Date |
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| CN103970632A true CN103970632A (en) | 2014-08-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410227096.5A Pending CN103970632A (en) | 2014-05-27 | 2014-05-27 | Method for restoring default fan rotating speed of Smart Rack cabinet |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104407680A (en) * | 2014-12-02 | 2015-03-11 | 浪潮电子信息产业股份有限公司 | Management system based on overall cabinet nodes |
| CN104675737A (en) * | 2014-12-29 | 2015-06-03 | 浪潮电子信息产业股份有限公司 | Method for regulating speed of fans of rack |
| CN105487964A (en) * | 2015-12-18 | 2016-04-13 | 山东海量信息技术研究院 | Fan fault recording method of high-end fault-tolerant server |
| CN106774731A (en) * | 2016-12-01 | 2017-05-31 | 郑州云海信息技术有限公司 | A kind of method for designing and system of compatible various fan regulation and controlling strategies |
| CN110402058A (en) * | 2019-07-26 | 2019-11-01 | 浪潮电子信息产业股份有限公司 | A kind of server whole machine cabinet and its management power panel |
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| CN101751108A (en) * | 2008-11-28 | 2010-06-23 | 英业达股份有限公司 | Computer system |
| US20110070098A1 (en) * | 2009-09-18 | 2011-03-24 | Sunonwealth Electric Machine Industry Co., Ltd. | Fan control system |
| CN102478006A (en) * | 2010-11-30 | 2012-05-30 | 英业达股份有限公司 | Fan speed control system and method for reading rotating speed of fan thereof |
| CN102734192A (en) * | 2011-03-31 | 2012-10-17 | 鸿富锦精密工业（深圳）有限公司 | Fan controlling system and method therefor |
| CN103790844A (en) * | 2012-10-30 | 2014-05-14 | 英业达科技有限公司 | Fan control system and method |
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2014
- 2014-05-27 CN CN201410227096.5A patent/CN103970632A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101751108A (en) * | 2008-11-28 | 2010-06-23 | 英业达股份有限公司 | Computer system |
| US20110070098A1 (en) * | 2009-09-18 | 2011-03-24 | Sunonwealth Electric Machine Industry Co., Ltd. | Fan control system |
| CN102478006A (en) * | 2010-11-30 | 2012-05-30 | 英业达股份有限公司 | Fan speed control system and method for reading rotating speed of fan thereof |
| CN102734192A (en) * | 2011-03-31 | 2012-10-17 | 鸿富锦精密工业（深圳）有限公司 | Fan controlling system and method therefor |
| CN103790844A (en) * | 2012-10-30 | 2014-05-14 | 英业达科技有限公司 | Fan control system and method |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104407680A (en) * | 2014-12-02 | 2015-03-11 | 浪潮电子信息产业股份有限公司 | Management system based on overall cabinet nodes |
| CN104675737A (en) * | 2014-12-29 | 2015-06-03 | 浪潮电子信息产业股份有限公司 | Method for regulating speed of fans of rack |
| CN105487964A (en) * | 2015-12-18 | 2016-04-13 | 山东海量信息技术研究院 | Fan fault recording method of high-end fault-tolerant server |
| CN106774731A (en) * | 2016-12-01 | 2017-05-31 | 郑州云海信息技术有限公司 | A kind of method for designing and system of compatible various fan regulation and controlling strategies |
| CN110402058A (en) * | 2019-07-26 | 2019-11-01 | 浪潮电子信息产业股份有限公司 | A kind of server whole machine cabinet and its management power panel |
| CN110402058B (en) * | 2019-07-26 | 2022-02-18 | 浪潮电子信息产业股份有限公司 | Whole rack of server and management power strip thereof |
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Application publication date: 20140806 |