CN104571421A - Blade server heat dissipation design method - Google Patents
Blade server heat dissipation design method Download PDFInfo
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- CN104571421A CN104571421A CN201510008769.2A CN201510008769A CN104571421A CN 104571421 A CN104571421 A CN 104571421A CN 201510008769 A CN201510008769 A CN 201510008769A CN 104571421 A CN104571421 A CN 104571421A
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- 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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a blade server heat dissipation design method. A high-density blade server is arranged, the high-density blade server comprises a plurality of parallel server units, a main board, a plurality of hard disks and CPUS are arranged in each server unit, wherein the hard disks are divided into two groups and symmetrically arranged at two sides of the main board, and the CPUS are arranged on the main board between two hard disks in sequence; a fan is regulated based on the temperature of the last CPU. Compared with the prior art, the blade server heat dissipation design method is aimed to optimize the heat dissipation of the rear CPU so as to guarantee the best heat dissipation of the whole blade system, and a low-power consumption fan control strategy is set according to the temperature of the rear CPU to guarantee the best heat dissipation system and power consumption of the blade server; the blade server heat dissipation design method is strong in practicability and easy to implement and popularize.
Description
Technical field
The present invention relates to computer server technical field, specifically a kind of practical, blade server radiation design method.
Background technology
The demand of present data center to high-density blade server, cabinet-type blade server is increasing, but also more and more higher to the requirement of these high-density blade servers, especially for the power consumption requirements of high density server.When the power consumption of server system is higher, the operation cost of data center is also higher, and when server system power consumption is lower, corresponding operation cost is also lower.In the power consumption process solving high-density blade server, need the many-sided design of software and hardware, but wherein also particularly important for the heat radiation how solving high-density blade server.Because only have high-density blade server to adopt the heat dissipation design being applicable to low-power consumption, machine system could be issued to optimum at pressure load.Based on this, now provide a kind of high-density blade server radiation design method.
Summary of the invention
Technical assignment of the present invention is for above weak point, provides a kind of practical, blade server radiation design method.
A kind of blade server radiation design method, its specific implementation process is:
High-density blade server is set, this high-density blade server comprises some server units be set up in parallel, mainboard, some hard disks and CPU is provided with in each server unit, wherein hard disk is divided into two groups and is symmetricly set on mainboard both sides, and CPU tandem is arranged on the mainboard between two hard disks;
Using the CPU of air inlet as upstream CPU, the CPU at air outlet place as downstream CPU, then with the temperature of most downstream CPU for benchmark, regulate and control fan, its concrete regulation process is:
1) first operating pressure testing software, after this software is stable, regulates rotation speed of the fan, when selected rotation speed of the fan is certain PWM value, and when blade system is least in power-consuming, records the temperature value of most downstream, rear portion CPU;
2) take said temperature as transverse axis starting point, above-mentioned selected rotation speed of the fan value is longitudinal axis starting point, curve plotting figure;
3) working temperature is improved, and the PWM value that obtains of record and cpu temperature value;
4) according to above-mentioned test curve, as the foundation of fan regulation and controlling test, setting fan regulation and controlling strategy, makes server system power consumption be issued to minimum in different pressures test.
Between every two adjacent C PU, arrange wind scooper, what upstream CPU was blown out distinguished and admirablely directly blows to downstream CPU, and distinguished and admirable of hard disk both sides is adjacent the heating radiator contact of CPU simultaneously.
Working temperature during said fans regulation and control is the environment temperature of 20,25,30,35,40 degree, and this temperature is the isoperibol of artificial setting.
Described pressure test software is the one in PTU, Prime95, Linpack or IOmeter.
The specific implementation process of described fan regulation and controlling strategy is:
In 20 degree of environment temperatures of setting, operating pressure testing software carries out applied voltage test, by regulating fan PWM value, makes system core point CPU, internal memory, hard disk, RAID card meet system temperature specification, record PWM1 value now and the system power dissipation of correspondence; Then, based on this PWM1 value, or else disconnected adjustment fan PWM value, monitoring and recording system key point temperature and system power dissipation; When system temperature meets radiating requirements, and when system power dissipation now reaches minimum, and the temperature Tcpu1 of most downstream CPU recorded now and the fan PWM2 value of setting, as the starting point of fan regulation and controlling strategy;
Under working environment 25 degree, repeat above-mentioned testing procedure, confirm corresponding fan PWM3 value and corresponding most downstream cpu temperature Tcpu2;
Under working environment 30 degree, repeat above-mentioned testing procedure, confirm corresponding fan PWM4 value and corresponding most downstream cpu temperature Tcpu3;
Under working temperature 35 degree, repeat above-mentioned testing procedure, determine corresponding fan PWM5 value and corresponding most downstream cpu temperature Tcpu4;
Under working temperature 40 degree, repeat above-mentioned testing procedure, determine corresponding fan PWM6 value and corresponding most downstream cpu temperature Tcpu5, as the terminal of fan regulation and controlling strategy;
According to the fan regulation and controlling PWM value of above-mentioned steps record and all temperature of corresponding most downstream CPU, set out the fan regulation and controlling strategy of applicable low-power consumption.
A kind of blade server radiation design method of the present invention, has the following advantages:
A kind of blade server radiation design method of this invention is by adopting the heat radiation of blocking type, emphasis solves and optimizes the heat radiation of rear portion CPU, and then ensure that the heat radiation of whole blade system is optimum, and according to the temperature of rear portion CPU, set a kind of fan regulation and controlling strategy of low-power consumption, guarantee that the cooling system of blade server and power consumption reach optimum, practical, be easy to realize, be easy to promote.
Accompanying drawing explanation
Accompanying drawing 1 is the server unit inner structure schematic diagram of the embodiment of the present invention.
Accompanying drawing 2 is the fan regulation and controlling strategy realization flow figure of the embodiment of the present invention.
Mark in accompanying drawing represents respectively:
1, server unit, 2, hard disk, 3, wind scooper, 4, mainboard, 5, CPU1,6, CPU0.
Embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
The present invention proposes a kind of blade server radiation design method, when for blade server system heat dissipation design, by adopting the radiation design method of blocking type, emphasis optimizes the heat radiation of rear portion CPU, and then optimize whole system heat radiation, carry out fan regulation and controlling with rear portion cpu temperature for benchmark simultaneously, guarantee that the cooling system of blade server and power consumption reach optimum.
Its specific implementation process is:
High-density blade server is set, this high-density blade server comprises some server units be set up in parallel, mainboard, some hard disks and CPU is provided with in each server unit, wherein hard disk is divided into two groups and is symmetricly set on mainboard both sides, and CPU tandem is arranged on the mainboard between two hard disks;
Using the CPU of air inlet as upstream CPU, the CPU at air outlet place as downstream CPU, then with the temperature of most downstream CPU for benchmark, regulate and control fan, its concrete regulation process is:
First operating pressure testing software, after this software is stable, regulates rotation speed of the fan, when selected rotation speed of the fan is certain PWM value, and when blade system is least in power-consuming, records the temperature value of most downstream, rear portion CPU;
Take said temperature as transverse axis starting point, above-mentioned selected rotation speed of the fan value is longitudinal axis starting point, curve plotting figure;
Improve working temperature, and the PWM value that obtains of record and cpu temperature value;
According to above-mentioned test curve, as the foundation of fan regulation and controlling test, setting fan regulation and controlling strategy, makes server system power consumption be issued to minimum in different pressures test.
Between every two adjacent C PU, arrange wind scooper, what upstream CPU was blown out distinguished and admirablely directly blows to downstream CPU, and distinguished and admirable of hard disk both sides is adjacent the heating radiator contact of CPU simultaneously.
Working temperature during said fans regulation and control is the environment temperature of 20,25,30,35,40 degree, and this temperature is the isoperibol of artificial setting.
Described pressure test software is the one in PTU, Prime95, Linpack or IOmeter.
Below for built-in two CPU of individual server unit, above-mentioned steps is described in detail, two CPU as shown in Figure 1, in this accompanying drawing, its number designation represents respectively: 1, server unit, 2, hard disk, 3, wind scooper, 4, mainboard, 5, CPU1,6, CPU0.Wherein CPU0 is arranged on upstream, and CPU1 is arranged on downstream, and its concrete heat dissipation design process is:
Blade server is in order to ensure high density, and mainboard is all rectangle, so when reality is placed, hard disk can be placed on mainboard both sides, in tandem, the wind that rear portion CPU1 air inlet flows into has the hot blast flowed out from anterior CPU0, also has the cold wind flow through from hard disk both sides for CPU0, CPU1.But because the flow resistance of CPU1 heating radiator is larger, cause the cold wind flowed away from hard disk cannot blow over CPU1 heating radiator, and then cause the heat radiation of CPU1 position, rear portion, rear portion particularly serious.For better solving the heat radiation of rear portion CPU1, the present invention adds wind scooper on CPU1 heating radiator both sides, stops the cold wind flow through from hard disk both sides to blow away, but is directly blown into CPU1 heating radiator.Can ensure that the heating radiator of CPU1 can obtain enough cold wind and dispel the heat like this; The specification of both sides wind scooper and position, first can be undertaken designing and confirming by heat radiation simulation software (flotherm etc.), in actual blade server, then carry out actual testing authentication.
The fan regulation and controlling strategy of this blade server is with the temperature of rear portion CPU1 for benchmark simultaneously, regulates and controls fan, can ensure that the CPU at rear portion can fully dispel the heat like this.Under certain working environment during (as under ring temperature 20 degree) design fan regulation and controlling, first various software pressure is run, after software pressure stability, regulate rotation speed of the fan, guarantee that the rotation speed of the fan PWM1 value selected can ensure blade system power consumption optimum, record the temperature value Tcpu1 of rear portion CPU1 simultaneously.Like this with temperature Tcpu1 for transverse axis starting point, rotation speed of the fan PWM1 value is longitudinal axis starting point.Improve constantly working environment subsequently, obtain a series of PWM value and cpu temperature, and then generate fan regulation and controlling strategy.
Concrete step is as shown in Figure 2:
One, first carry out heat radiation emulation for blade server system, confirm position and the specification size of the left and right wind scooper of blocking type.The heat radiation of rear portion CPU1 can be ensured like this, the Hard disk heat radiation at enough guarantee rear portions, gap can be left again.
Two, the wind scooper in Fig. 1 is imported to blade server system, carry out actual heat radiation testing authentication, wherein emphasis checking is carried out to the hard disk areas temperature at rear portion CPU1 and rear portion.Feasible if dispelled the heat, carry out next step radiator fan regulation and control.If infeasible, then carry out the correction of first step.
Three, set environment temperature of server 20,25,30,35,40 degree, and select to formulate testing software PTU, Prime95, Linpack and IOmeter, arrange software test parameter, tests at full capacity respectively to critical components such as CPU, internal memory and hard disks.
Four, in 20 degree of environment temperatures of setting, testing results software carries out applied voltage test, by constantly regulating fan PWM value, make system core point CPU, internal memory, hard disk, RAID card etc.) meet system temperature specification, record PWM1 value now and the system power dissipation of correspondence.Then, based on this PWM1 value, or else disconnected adjustment fan PWM value, monitoring and recording system key point temperature and system power dissipation.When system temperature meets radiating requirements, and when system power dissipation now reaches minimum, and the temperature Tcpu1 of CPU1 recorded now and the fan PWM2 value of setting, as the starting point of fan regulation and controlling strategy.
Five, under working environment 25 degree, repeat the testing procedure of step 4, confirm corresponding fan PWM3 value and corresponding CPU1 temperature Tcpu2.
Six, under working environment 30 degree, repeat the testing procedure of step 4, confirm corresponding fan PWM4 value and corresponding CPU1 temperature Tcpu3.
Seven, under working temperature 35 degree, repeat the step of step 4, determine corresponding fan PWM5 value and corresponding cpu temperature Tcpu4.
Eight, under working temperature 40 degree, repeat the step of step 4, determine corresponding fan PWM6 value and corresponding CPU1 temperature Tcpu5, as the terminal of fan regulation and controlling strategy.
Nine, according to the fan regulation and controlling PWM value of above-mentioned steps record and the CPU1 temperature Tcpu of correspondence, the fan regulation and controlling strategy of applicable low-power consumption is set out.
Ten, according to new fan regulation and controlling strategy, under each working environment, carry out pressure test checking, guarantee that system temperature and system power dissipation reach optimal value.If have error with previous test result, improve fan regulation and controlling strategy further.
11, according to new fan regulation and controlling strategy, under each working environment, carry out pressure test checking, guarantee that system temperature and system power dissipation reach optimal value.If have error with previous test result, repeat step 4 and improve fan regulation and controlling strategy further to step 10.
Above-mentioned embodiment is only concrete case of the present invention; scope of patent protection of the present invention includes but not limited to above-mentioned embodiment; claims of any a kind of blade server radiation design method according to the invention and the those of ordinary skill of any described technical field to its suitable change done or replacement, all should fall into scope of patent protection of the present invention.
Claims (5)
1. a blade server radiation design method, is characterized in that, its specific implementation process is:
High-density blade server is set, this high-density blade server comprises some server units be set up in parallel, mainboard, some hard disks and CPU is provided with in each server unit, wherein hard disk is divided into two groups and is symmetricly set on mainboard both sides, and CPU tandem is arranged on the mainboard between two hard disks;
Using the CPU of air inlet as upstream CPU, the CPU at air outlet place as downstream CPU, then with the temperature of most downstream CPU for benchmark, regulate and control fan, its concrete regulation process is:
1) first operating pressure testing software, after this software is stable, regulates rotation speed of the fan, when selected rotation speed of the fan is certain PWM value, and when blade system is least in power-consuming, records the temperature value of most downstream, rear portion CPU;
2) take said temperature as transverse axis starting point, above-mentioned selected rotation speed of the fan value is longitudinal axis starting point, curve plotting figure;
3) working temperature is improved, and the PWM value that obtains of record and cpu temperature value;
4) according to above-mentioned test curve, as the foundation of fan regulation and controlling test, setting fan regulation and controlling strategy, makes server system power consumption be issued to minimum in different pressures test.
2. a kind of blade server radiation design method according to claim 1, it is characterized in that, between every two adjacent C PU, arrange wind scooper, what upstream CPU was blown out distinguished and admirablely directly blows to downstream CPU, and distinguished and admirable of hard disk both sides is adjacent the heating radiator contact of CPU simultaneously.
3. a kind of blade server radiation design method according to claim 1 and 2, is characterized in that, working temperature during said fans regulation and control is the environment temperature of 20,25,30,35,40 degree, and this temperature is the isoperibol of artificial setting.
4. a kind of blade server radiation design method according to claim 3, is characterized in that, described pressure test software is the one in PTU, Prime95, Linpack or IOmeter.
5. a kind of blade server radiation design method according to claim 4, is characterized in that, the specific implementation process of described fan regulation and controlling strategy is:
In 20 degree of environment temperatures of setting, operating pressure testing software carries out applied voltage test, by regulating fan PWM value, makes system core point CPU, internal memory, hard disk, RAID card meet system temperature specification, record PWM1 value now and the system power dissipation of correspondence; Then, based on this PWM1 value, or else disconnected adjustment fan PWM value, monitoring and recording system key point temperature and system power dissipation; When system temperature meets radiating requirements, and when system power dissipation now reaches minimum, and the temperature Tcpu1 of most downstream CPU recorded now and the fan PWM2 value of setting, as the starting point of fan regulation and controlling strategy;
Under working environment 25 degree, repeat above-mentioned testing procedure, confirm corresponding fan PWM3 value and corresponding most downstream cpu temperature Tcpu2;
Under working environment 30 degree, repeat above-mentioned testing procedure, confirm corresponding fan PWM4 value and corresponding most downstream cpu temperature Tcpu3;
Under working temperature 35 degree, repeat above-mentioned testing procedure, determine corresponding fan PWM5 value and corresponding most downstream cpu temperature Tcpu4;
Under working temperature 40 degree, repeat above-mentioned testing procedure, determine corresponding fan PWM6 value and corresponding most downstream cpu temperature Tcpu5, as the terminal of fan regulation and controlling strategy;
According to the fan regulation and controlling PWM value of above-mentioned steps record and all temperature of corresponding most downstream CPU, set out the fan regulation and controlling strategy of applicable low-power consumption.
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| CN201510008769.2A CN104571421A (en) | 2015-01-08 | 2015-01-08 | Blade server heat dissipation design method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106593928A (en) * | 2017-02-24 | 2017-04-26 | 郑州云海信息技术有限公司 | Test method for verifying PID fan regulation and control |
| CN107389369A (en) * | 2017-08-04 | 2017-11-24 | 郑州云海信息技术有限公司 | A kind of mobilism server fan heat dispersion method of testing |
| CN108194397A (en) * | 2017-12-28 | 2018-06-22 | 曙光信息产业股份有限公司 | The fan speed-governing method and device of rack-mounted server system |
| CN108920351A (en) * | 2018-07-19 | 2018-11-30 | 郑州云海信息技术有限公司 | A kind of server GPU heat dissipation test method and system |
| CN109375755A (en) * | 2018-12-26 | 2019-02-22 | 联想(北京)有限公司 | Cooling control method, device and electronic equipment |
| CN113253807A (en) * | 2021-05-14 | 2021-08-13 | 山东英信计算机技术有限公司 | Multi-path server and heat dissipation method thereof |
| CN114818322A (en) * | 2022-04-25 | 2022-07-29 | 苏州浪潮智能科技有限公司 | Server heat dissipation simulation method and device, electronic equipment and storage medium |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106593928A (en) * | 2017-02-24 | 2017-04-26 | 郑州云海信息技术有限公司 | Test method for verifying PID fan regulation and control |
| CN107389369A (en) * | 2017-08-04 | 2017-11-24 | 郑州云海信息技术有限公司 | A kind of mobilism server fan heat dispersion method of testing |
| CN108194397A (en) * | 2017-12-28 | 2018-06-22 | 曙光信息产业股份有限公司 | The fan speed-governing method and device of rack-mounted server system |
| CN108194397B (en) * | 2017-12-28 | 2019-11-01 | 曙光信息产业股份有限公司 | The fan speed-governing method and device of rack server system |
| CN108920351A (en) * | 2018-07-19 | 2018-11-30 | 郑州云海信息技术有限公司 | A kind of server GPU heat dissipation test method and system |
| CN109375755A (en) * | 2018-12-26 | 2019-02-22 | 联想(北京)有限公司 | Cooling control method, device and electronic equipment |
| CN113253807A (en) * | 2021-05-14 | 2021-08-13 | 山东英信计算机技术有限公司 | Multi-path server and heat dissipation method thereof |
| CN113253807B (en) * | 2021-05-14 | 2023-01-24 | 山东英信计算机技术有限公司 | Multi-path server and heat dissipation method thereof |
| CN114818322A (en) * | 2022-04-25 | 2022-07-29 | 苏州浪潮智能科技有限公司 | Server heat dissipation simulation method and device, electronic equipment and storage medium |
| CN114818322B (en) * | 2022-04-25 | 2024-01-19 | 苏州浪潮智能科技有限公司 | Server heat dissipation simulation method and device, electronic equipment and storage medium |
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Application publication date: 20150429 |