CN105909545A - Whole cabinet fan speed regulation method based on CPU Margin temperature - Google Patents
Whole cabinet fan speed regulation method based on CPU Margin temperature Download PDFInfo
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- CN105909545A CN105909545A CN201610223351.8A CN201610223351A CN105909545A CN 105909545 A CN105909545 A CN 105909545A CN 201610223351 A CN201610223351 A CN 201610223351A CN 105909545 A CN105909545 A CN 105909545A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/004—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by varying driving speed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/001—Testing thereof; Determination or simulation of flow characteristics; Stall or surge detection, e.g. condition monitoring
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/20—Cooling means
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Mechanical Engineering (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Control Of Temperature (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The present invention discloses a whole cabinet fan speed regulation method based on CPU Margin temperature, comprising a whole cabinet server integrated with a plurality of server nodes, each service node is internally provided with a BMC, and the whole cabinet server is internally provided with a BMC. The specific regulation process comprises performing heat dissipation test first, and obtaining a fan speed regulation strategy table at different CPU Margin temperatures and different ambient temperatures; writing BMC speed regulation strategy program codes according to the fan speed regulation strategy table; writing node medium plate fan speed regulation strategy program; and writing RMC fan speed regulation strategy program. Compared with the prior art, the whole cabinet fan speed regulation method based on CPU Margin temperature has the advantages that heat dissipation of CPUs of different types can be solved, retest of heat dissipation conditions and BMC software upgrading are not required for CPUs of new types, workload of developers is reduced, efficiency is improved, and system reliability and maintainability are largely improved.
Description
Technical field
The present invention relates to computer technical field of heat dissipation, a kind of whole machine cabinet fan speed-governing method practical, based on CPU Margin temperature.
Background technology
Along with the high speed development of computer technology, whole machine cabinet server the most especially in large-scale data center, the applications such as cloud computing base more and more extensive, integrated tens server nodes in whole machine cabinet, it is achieved high-density deployment.In whole machine cabinet, the CPU of each node does not has independent fan to dispel the heat, but dispels the heat to all nodes by the fan window entirety at rack rear portion.General whole machine cabinet server can be by the cpu temperature of node BMC acquisition node, the data such as intake air temperature, interval at different intake air temperatures, BMC selects the duty in the fan duty table obtained in advance by test according to cpu temperature change, RMC gets this duty by plate in node from BMC, selects a maximum duty value to control half cabinet fan from half cabinet all nodes duty.
But one distinct disadvantage of this kind of mode is exactly: because CPU model is more, if according to usual way, being tested the cpu temperature obtaining every kind of model by reality and meet the mapping table of the fan duty of CPU heat radiation at a temperature of this, test job amount undoubtedly can be the biggest.If follow-up CPU model is changed or CPU upgrading, the CPU of a kind of new model the most often occurs, the duty table that dispels the heat will be obtained according to the actual test of CPU characteristic, BMC writes the speed adjustment strategy software of correspondence further according to speed adjustment strategy table, not only strengthen the workload of BMC software exploitation, and BMC edition upgrading later is safeguarded the most very inconvenient.Therefore, how to realize a kind of speed adjustment strategy and cover the heat radiation of all models CPU, become the problem that design needs solution badly with developer.Based on this, now provide a kind of whole machine cabinet fan speed-governing method based on CPU Margin temperature.
Summary of the invention
The technical assignment of the present invention is for above weak point, it is provided that a kind of whole machine cabinet fan speed-governing method practical, based on CPU Margin temperature.
A kind of whole machine cabinet fan speed-governing method based on CPU Margin temperature, including the whole machine cabinet server of integrated some server nodes, the built-in BMC of each server node, the built-in RMC of whole machine cabinet server, its concrete regulation process is:
First doing heat radiation test, obtain the fan speed-regulating Policy Table at a temperature of different CPU Margin temperature and varying environment, CPU Margin temperature here refers to the difference between maximum allowable temperature TjMax and CPU real time temperature；
BMC speed adjustment strategy program code is write according to said fans speed adjustment strategy table, node BMC obtains this node corresponding fan duty value according to local server node cpu Margin temperature with intake air temperature, and in node, plate obtains connected node fan duty value by I2C bus from BMC；
Write plate fan speed-regulating strategy program in node: the maximum in all fan duty that during this layer chosen by plate in node, plate connects, obtain the fan duty value of plate in this node layer；
Write RMC fan speed-regulating strategy program, after RMC obtains duty value on plate from node, control the rotation speed of the fan within server cabinet.
Described heat radiation test process is: by testing the heat radiation test case of whole machine cabinet server, actually obtain the fan regulation and controlling efficiency under any one model C PU difference intake air temperature interval, then according to this fan regulation and controlling efficiency, formulate the fan speed-regulating Policy Table according to CPU Margin variations in temperature, all heat radiation operating modes in the Policy Table's coverage test of this fan speed-regulating.
BMC obtains the detailed process of this node correspondence fan duty value: BMC reads current CPU Margin temperature value from the ME file of this node; take Margin temperature value smaller in all CPU of this node; writing speed adjustment strategy in BMC according to speed adjustment strategy table obtained above and control program, BMC obtains this node corresponding fan duty value according to local server node cpu Margin temperature with intake air temperature.
Described whole machine cabinet server includes upper half cabinet and lower half cabinet two parts, and every part is mounted on plate in node, corresponding, and RMC controls the rotation speed of the fan process within server cabinet and is:
RMC obtains, by I2C bus, the fan duty value that in every node layer, plate is corresponding, plate takes in upper half cabinet and lower half cabinet node maximum duty value respectively, RMC is according to the fan duty value of upper half cabinet and lower half cabinet, the rotation speed of the fan of the upper half cabinet node fan window corresponding with lower half cabinet node is controlled respectively, it is achieved fan half cabinet controls by fan control board.
A kind of based on CPU Margin temperature the whole machine cabinet fan speed-governing method of the present invention, has the advantage that
A kind of based on CPU Margin temperature the whole machine cabinet fan speed-governing method of this invention is the current CPU temperature difference apart from maximum allowable cpu temperature TjMax by the reflection of CPU Margin temperature, therefore speed adjustment strategy based on CPU Margin temperature, it is possible not only to greatly reduce heat radiation test job amount, BMC also can realize a version and cover the heat radiation of nearly all model C PU, heat radiation is retested without for new model CPU, again upgrade BMC software, greatly reduce heat radiation test and software programming workload, the upgrade maintenance of BMC version is very convenient, practical, it is easily achieved, easy to spread.
Accompanying drawing explanation
Accompanying drawing 1 is the flowchart of the present invention.
Detailed description of the invention
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1, a kind of whole machine cabinet fan speed-governing method based on CPU Margin temperature, BMC carries out speed governing according to the change of CPU Margin temperature, the heat radiation of nearly all model C PU can be covered, just need not retest when there being new model C PU and obtain fan duty table, again write BMC software.
The realization whole machine cabinet servers based on integrated some server nodes of the method, the built-in BMC of each server node, the built-in RMC of whole machine cabinet server, its concrete regulation process is:
First doing heat radiation test, obtain the fan speed-regulating Policy Table at a temperature of different CPU Margin temperature and varying environment, CPU Margin temperature here refers to the difference between maximum allowable temperature TjMax and CPU real time temperature；
BMC speed adjustment strategy program code is write according to said fans speed adjustment strategy table, node BMC obtains this node corresponding fan duty value according to local server node cpu Margin temperature with intake air temperature, and in node, plate obtains connected node fan duty value by I2C bus from BMC；
Write plate fan speed-regulating strategy program in node: the maximum in all fan duty that during this layer chosen by plate in node, plate connects, obtain the fan duty value of plate in this node layer；
Write RMC fan speed-regulating strategy program, after RMC obtains duty value on plate from node, control the rotation speed of the fan within server cabinet.
Described heat radiation test process is: by testing the heat radiation test case of whole machine cabinet server, actually obtain the fan regulation and controlling efficiency under any one model C PU difference intake air temperature interval, then according to this fan regulation and controlling efficiency, formulate the fan speed-regulating Policy Table according to CPU Margin variations in temperature, all heat radiation operating modes in the Policy Table's coverage test of this fan speed-regulating.
BMC obtains the detailed process of this node correspondence fan duty value: BMC reads current CPU Margin temperature value from the ME file of this node; take Margin temperature value smaller in all CPU of this node; writing speed adjustment strategy in BMC according to speed adjustment strategy table obtained above and control program, BMC obtains this node corresponding fan duty value according to local server node cpu Margin temperature with intake air temperature.
General, each node is provided with two CPU, every node layer connects in plate four nodes.
Described whole machine cabinet server includes upper half cabinet and lower half cabinet two parts, and every part is mounted on plate in node, corresponding, and RMC controls the rotation speed of the fan process within server cabinet and is:
RMC obtains, by I2C bus, the fan duty value that in every node layer, plate is corresponding, plate takes in upper half cabinet and lower half cabinet node maximum duty value respectively, RMC is according to the fan duty value of upper half cabinet and lower half cabinet, the rotation speed of the fan of the upper half cabinet node fan window corresponding with lower half cabinet node is controlled respectively, it is achieved fan half cabinet controls by fan control board.
The whole machine cabinet fan speed-regulating strategy based on CPU Margin temperature that the present invention proposes, the heat radiation of different model CPU can be covered, for new model CPU, heat radiation operating mode need not be retested and carry out BMC software upgrading, decrease developer's workload, improve efficiency, substantially increase the reliability and maintainability of system.
Above-mentioned detailed description of the invention is only the concrete case of the present invention; the scope of patent protection of the present invention includes but not limited to above-mentioned detailed description of the invention; suitably change that it is done by claims of a kind of based on CPU Margin temperature the whole machine cabinet fan speed-governing method of any present invention of meeting and any described technical field those of ordinary skill or replace, all should fall into the scope of patent protection of the present invention.
Claims (4)
1. a whole machine cabinet fan speed-governing method based on CPU Margin temperature, it is characterised in that including the whole machine cabinet server of integrated some server nodes, the built-in BMC of each server node, the built-in RMC of whole machine cabinet server, its concrete regulation process is:
First do heat radiation test, obtain different CPU
Fan speed-regulating Policy Table at a temperature of Margin temperature and varying environment, CPU Margin temperature here refers to the difference between maximum allowable temperature TjMax and CPU real time temperature；
BMC speed adjustment strategy program code is write according to said fans speed adjustment strategy table, node BMC obtains this node corresponding fan duty value according to local server node cpu Margin temperature with intake air temperature, and in node, plate obtains connected node fan duty value by I2C bus from BMC；
Write plate fan speed-regulating strategy program in node: the maximum in all fan duty that during this layer chosen by plate in node, plate connects, obtain the fan duty value of plate in this node layer；
Write RMC fan speed-regulating strategy program, after RMC obtains duty value on plate from node, control the rotation speed of the fan within server cabinet.
One the most according to claim 1 is based on CPU
The whole machine cabinet fan speed-governing method of Margin temperature, it is characterized in that, described heat radiation test process is: by testing the heat radiation test case of whole machine cabinet server, actually obtain the fan regulation and controlling efficiency under any one model C PU difference intake air temperature interval, then according to this fan regulation and controlling efficiency, formulate the fan speed-regulating Policy Table according to CPU Margin variations in temperature, all heat radiation operating modes in the Policy Table's coverage test of this fan speed-regulating.
One the most according to claim 1 is based on CPU
The whole machine cabinet fan speed-governing method of Margin temperature, it is characterized in that, BMC obtains the detailed process of this node correspondence fan duty value: BMC reads current CPU Margin temperature value from the ME file of this node; take Margin temperature value smaller in all CPU of this node; writing speed adjustment strategy in BMC according to speed adjustment strategy table obtained above and control program, BMC obtains this node corresponding fan duty value according to local server node cpu Margin temperature with intake air temperature.
One the most according to claim 1 is based on CPU
The whole machine cabinet fan speed-governing method of Margin temperature, it is characterised in that described whole machine cabinet server includes upper half cabinet and lower half cabinet two parts, every part is mounted on plate in node, corresponding, and RMC controls the rotation speed of the fan process within server cabinet and is:
RMC obtains, by I2C bus, the fan duty value that in every node layer, plate is corresponding, plate takes in upper half cabinet and lower half cabinet node maximum duty value respectively, RMC is according to the fan duty value of upper half cabinet and lower half cabinet, the rotation speed of the fan of the upper half cabinet node fan window corresponding with lower half cabinet node is controlled respectively, it is achieved fan half cabinet controls by fan control board.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610223351.8A CN105909545A (en) | 2016-04-12 | 2016-04-12 | Whole cabinet fan speed regulation method based on CPU Margin temperature |
| PCT/CN2017/075915 WO2017177775A1 (en) | 2016-04-12 | 2017-03-08 | Cpu margin temperature-based fan speed adjustment method for rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610223351.8A CN105909545A (en) | 2016-04-12 | 2016-04-12 | Whole cabinet fan speed regulation method based on CPU Margin temperature |
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| CN105909545A true CN105909545A (en) | 2016-08-31 |
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| CN201610223351.8A Pending CN105909545A (en) | 2016-04-12 | 2016-04-12 | Whole cabinet fan speed regulation method based on CPU Margin temperature |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107015618A (en) * | 2017-05-26 | 2017-08-04 | 郑州云海信息技术有限公司 | A kind of whole machine cabinet server radiating system and heat dissipating method |
| CN107102926A (en) * | 2017-04-14 | 2017-08-29 | 广东浪潮大数据研究有限公司 | The method and system that a kind of Rack server nodes EAT is obtained |
| CN107203251A (en) * | 2017-05-26 | 2017-09-26 | 郑州云海信息技术有限公司 | A kind of whole machine cabinet server radiating method |
| WO2017177775A1 (en) * | 2016-04-12 | 2017-10-19 | 浪潮电子信息产业股份有限公司 | Cpu margin temperature-based fan speed adjustment method for rack |
| CN108184323A (en) * | 2018-01-30 | 2018-06-19 | 郑州云海信息技术有限公司 | Heat dissipation regulation and control method, apparatus, equipment and the storage medium of whole machine cabinet server |
| CN109490228A (en) * | 2018-11-09 | 2019-03-19 | 广东水利电力职业技术学院（广东省水利电力技工学校） | A kind of server cabinet control system and control method |
| CN110096398A (en) * | 2019-04-16 | 2019-08-06 | 苏州浪潮智能科技有限公司 | A kind of whole machine cabinet fan wall test method and system |
| CN111506174A (en) * | 2020-04-17 | 2020-08-07 | 苏州浪潮智能科技有限公司 | Fan control method and device, electronic equipment and readable storage medium |
| CN112463503A (en) * | 2020-12-11 | 2021-03-09 | 苏州浪潮智能科技有限公司 | Method and system for testing heat dissipation capacity of ARM architecture complete machine server |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2017177775A1 (en) * | 2016-04-12 | 2017-10-19 | 浪潮电子信息产业股份有限公司 | Cpu margin temperature-based fan speed adjustment method for rack |
| CN107102926A (en) * | 2017-04-14 | 2017-08-29 | 广东浪潮大数据研究有限公司 | The method and system that a kind of Rack server nodes EAT is obtained |
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| CN107203251A (en) * | 2017-05-26 | 2017-09-26 | 郑州云海信息技术有限公司 | A kind of whole machine cabinet server radiating method |
| CN108184323A (en) * | 2018-01-30 | 2018-06-19 | 郑州云海信息技术有限公司 | Heat dissipation regulation and control method, apparatus, equipment and the storage medium of whole machine cabinet server |
| CN109490228A (en) * | 2018-11-09 | 2019-03-19 | 广东水利电力职业技术学院（广东省水利电力技工学校） | A kind of server cabinet control system and control method |
| CN110096398A (en) * | 2019-04-16 | 2019-08-06 | 苏州浪潮智能科技有限公司 | A kind of whole machine cabinet fan wall test method and system |
| CN111506174A (en) * | 2020-04-17 | 2020-08-07 | 苏州浪潮智能科技有限公司 | Fan control method and device, electronic equipment and readable storage medium |
| CN112463503A (en) * | 2020-12-11 | 2021-03-09 | 苏州浪潮智能科技有限公司 | Method and system for testing heat dissipation capacity of ARM architecture complete machine server |
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| Publication number | Publication date |
|---|---|
| WO2017177775A1 (en) | 2017-10-19 |
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