TWI740358B - Server temperature control method, baseboard manage controller and server temperature control system - Google Patents

Abstract

The present invention provides a server temperature control method and a system thereof, and a baseboard manage controller. The server temperature control method is applied to the baseboard manage controller, and the server includes a management engine and a fan, and the server temperature control method comprises following steps: obtaining a server temperature information collected by the management engine when the management engine is in a normal state, and controlling the fan according to the server temperature information; collecting the server temperature information when the management engine is in an abnormal state and controlling the fan according to the server temperature information. The server temperature control method and the system thereof, and the baseboard manage controller can instantaneously collect the temperature of the server to control a temperature of the server and are not affected by an operating state of the management engine.

Description

Server temperature control method, substrate management controller and server temperature control system

The present invention relates to the technical field of temperature control, in particular to a server temperature control method, a server temperature control system and a substrate management controller.

In the prior art, the management engine (ME) is usually used to read the temperature of the central processing unit (CPU) and memory components on the server, and adjust the speed of the fan on the server according to the read temperature, thereby Realize the temperature control of the server. Among them, the management engine is a framework independent of hardware such as the central processing unit and the basic input output system/unified extensible firmware interface (BIOS/UEFI). This framework is divided into two parts: hardware and software. The hardware part corresponds to different central processing units (ARC4/5, SPARC and x86) according to different versions of the management engine, and the software part is in the flash memory (FLASH ) And the basic input output system (BIOS), network interface card (GBE) and other hardware modules are packaged together.

However, if the management engine is necrotic, the temperature on components such as the central processing unit and memory cannot be read. Even when the temperature is very high, the fan cannot be adjusted to speed up rotation, which will cause the motherboard of the server to overheat, resulting in its performance degradation and even unpredictable consequences.

In view of the above-mentioned shortcomings of the prior art, the purpose of the present invention is to provide a server temperature control method, a baseboard management controller and a server temperature system, which can collect the server temperature in real time for temperature control, without having to manage the working status of the engine. Impact.

In order to achieve the above and other related purposes, the present invention provides a server temperature control method, which is applied to a baseboard management controller. The server includes a management engine and a fan; the server temperature control method includes the following steps: When the management engine is in a normal state, obtain server temperature information collected by the management engine, and control the fan according to the server temperature information; when the management engine is in an abnormal state, collect the server temperature information, And control the fan according to the server temperature information.

In an embodiment of the present invention, the baseboard management controller collects the server temperature information through a platform environmental control interface.

In an embodiment of the present invention, the baseboard management controller communicates with the management engine based on a universal input and output port.

In an embodiment of the present invention, when the management engine is in a normal state, the universal input/output port signal is in the first state, and it is determined that the management engine collects the temperature information; when the management engine is in an abnormal state, the The universal input/output port signal is in the second state, and it is determined that the baseboard management controller collects the temperature information.

The present invention provides a substrate management controller for controlling the temperature of a server. The server includes a management engine and a fan; the substrate management controller includes a first control module and a second control module; the first The control module is used for obtaining server temperature information collected by the management engine when the management engine is in a normal state, and controlling the fan according to the server temperature information; the second control module is used for When the management engine is in an abnormal state, collect the server temperature information, and control the fan according to the server temperature information.

In an embodiment of the present invention, the second control module collects the server temperature information through a platform environmental control interface.

In an embodiment of the present invention, the first control module communicates with the management engine based on a universal input and output port.

In an embodiment of the present invention, when the management engine is in a normal state, the universal input/output port signal is in the first state, and it is determined that the management engine collects the temperature information; when the management engine is in an abnormal state, the universal The input/output port signal is in the second state, and it is determined that the substrate management controller collects the temperature information.

Finally, the present invention provides a server temperature control system, including the above-mentioned baseboard management controller, management engine, and fan; the management engine is used to collect server temperature information in a normal state and send it to the baseboard management controller; The fan is used to adjust the temperature of the server under the control of the baseboard management controller.

In an embodiment of the present invention, the server temperature information includes CPU temperature information and memory temperature information.

As mentioned above, the server temperature control method, substrate management controller and server temperature control system of the present invention have the following beneficial effects: (1) The server temperature can be collected in real time for temperature control, which ensures the stability of the server performance (2) Not affected by the working status of the management engine.

The following describes the implementation of the present invention through specific specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific embodiments, and various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention.

It should be noted that the diagrams provided in this embodiment only illustrate the basic idea of the present invention in a schematic manner, and the figures only show the components related to the present invention instead of the number, shape, and number of components in the actual implementation. For the size drawing, the type, number, and ratio of each component can be changed at will during actual implementation, and the component layout type may also be more complicated.

The server temperature control method, the substrate management controller, and the server temperature control system of the present invention can collect the server temperature in real time through the substrate management controller or the management engine for temperature control, ensure the controllability of the server temperature, and avoid the temperature Various potential risks caused by imbalance.

The server temperature control method of the present invention is applied to a baseboard management controller (Baseboard Management Controller, BMC). The baseboard management controller can perform some operations such as hardware upgrades and viewing machine equipment on the server when the server is not turned on, so as to realize local and remote diagnosis, console support, configuration management, hardware management and troubleshooting And other functions.

As shown in FIGS. 1 and 3, in one embodiment, the server temperature control method includes the following steps: step S1, when the management engine 2 is in a normal state, obtain the server collected by the management engine 2 Temperature information, and control the fan 3 according to the server temperature information.

Specifically, when the management engine 2 is in a normal state, the management engine 2 collects server temperature information through a platform environment control interface (Platform Environment Control Interface, referred to as PECI), and collects server temperature information through a general input and output port (General Purpose Input Output (GPIO for short) sends the server temperature information to the baseboard management controller 1. Among them, the specification of the platform environment control interface was proposed by Intel. As a new generation of digital interface, it is a dedicated single wire bus (Single Wire) between the processor and other chips or system stability monitoring equipment. Bus). The platform environmental control interface can transmit the processor core temperature read by the Digital Thermal Sensor (DTS) in the main processor of the system, and can be used to report the temperature of the Central Processing Unit (CPU) , But is not responsible for communicating voltage information. The pins of the general-purpose input and output ports can be freely used by users, and the pins can be used as general-purpose input (GPI) or general-purpose output (GPO) or general-purpose input and output (GPIO). After receiving the server temperature information, the baseboard management controller 1 adjusts the rotation speed of the fan 3 on the server according to the server temperature information to ensure that the server is in a proper temperature range. For example, when the temperature of the server is too high, the fan 3 is controlled to accelerate; when the temperature of the server is too low, the fan 3 is notified to decelerate.

Wherein, the server temperature information includes CPU temperature information and memory temperature information on the server.

In step S2, when the management engine 2 is in an abnormal state, the server temperature information is collected, and the fan 3 is controlled according to the server temperature information.

Specifically, when the management engine 2 is in an abnormal state and cannot collect the server temperature information, the baseboard management controller 1 directly collects the server temperature information through the platform environmental control interface, and according to the The server temperature information adjusts the rotation speed of the fan 3 on the server to ensure that the server is in an appropriate temperature range, thereby ensuring effective control of the server temperature.

In an embodiment of the present invention, the working status of the management engine 2 is controlled by a GPIO signal between it and the baseboard management controller 1. Specifically, when the management engine 2 is in the normal state and the GPIO signal is in the first state, such as high voltage, it is determined that the management engine 2 collects the temperature information, and the baseboard management controller 1 waits for all The server temperature information read by the management engine 2. When the management engine 2 is in an abnormal state, and the GPIO signal is in the second state, such as a low voltage, it is determined that the baseboard management controller 1 collects the temperature information. Preferably, an analog switch is provided on the PECI interface of the server main board, and the analog switch is controlled by the GPIO signal. Wherein, the analog switch selects and connects to the management engine or the baseboard management controller according to the value of the GPIO signal.

As shown in FIG. 2, in one embodiment, the baseboard management controller of the present invention is used to control the temperature of a server, and the server includes a management engine and a fan.

The baseboard management controller includes a first control module 21 and a second control module 22.

The first control module is used to obtain server temperature information collected by the management engine when the management engine is in a normal state, and control the fan according to the server temperature information.

Specifically, when the management engine is in a normal state, the management engine collects server temperature information through a platform environment control interface (Platform Environment Control Interface, referred to as PECI), and collects server temperature information through a general purpose input and output port (General Purpose Input Output Port). Output, GPIO for short) sends the server temperature information to the baseboard management controller. Among them, the PECI interface specification was proposed by Intel. As a new generation of digital interface, it is a dedicated single wire bus (Single Wire Bus) that exists between the processor and other chips or system stability monitoring equipment. PECI can transmit the processor core temperature read by the digital thermal sensor in the main processor of the system. It can be used to report the CPU temperature, but it is not responsible for communicating voltage information. The GPIO pins can be used freely by users, and the PIN pins can be used as general-purpose input (GPI) or general-purpose output (GPO) or general-purpose input and output (GPIO). After receiving the server temperature information, the baseboard management controller adjusts the rotation speed of the fan on the server according to the server temperature information to ensure that the server is in a proper temperature range. For example, when the temperature of the server is too high, the fan is controlled to accelerate; when the temperature of the server is too low, the fan is notified to decelerate.

Wherein, the server temperature information includes CPU temperature information and memory temperature information on the server.

The second control module is used for collecting the server temperature information when the management engine is in an abnormal state, and controlling the fan according to the server temperature information.

Specifically, when the management engine is in an abnormal state and cannot collect the server temperature information, the baseboard management controller directly collects the server temperature information through the PECI interface, and adjusts it according to the server temperature information The speed of the fan on the server is to ensure that the server is in a suitable temperature range, thereby ensuring effective control of the temperature of the server.

In an embodiment of the present invention, the working status of the management engine is controlled by a GPIO signal between it and the baseboard management controller. Specifically, when the management engine is in a normal state and the GPIO signal is in the first state, such as high voltage, it is determined that the management engine collects the temperature information, and the baseboard management controller waits for the management engine The read temperature information of the server. When the management engine is in an abnormal state, and the GPIO signal is in a second state, such as a low voltage, it is determined that the baseboard management controller collects the temperature information. Preferably, an analog switch is provided on the PECI interface of the server main board, and the analog switch is controlled by the GPIO signal. Wherein, the analog switch selects and connects to the management engine or the baseboard management controller according to the value of the GPIO signal.

It should be noted that it should be understood that the division of each module of the above device is only a division of logical functions, and may be fully or partially integrated into a physical entity in actual implementation, or may be physically separated. And these modules can all be implemented in the form of software called by processing components; they can also be implemented in the form of hardware; part of the modules can be implemented in the form of calling software by processing elements, and some of the modules can be realized in the form of hardware. For example, the x module can be a separate processing element, or it can be integrated into a chip of the above device. In addition, it can also be stored in the memory of the above device in the form of program code. The processing component calls and executes the functions of the above x module. The implementation of other modules is similar. In addition, all or part of these modules can be integrated together or implemented independently. The processing element described here may be an integrated circuit with signal processing capability. In the implementation process, each step of the above method or each of the above modules can be completed by hardware integrated logic circuits in the processor element or instructions in the form of software.

For example, the above modules may be one or more integrated circuits configured to implement the above methods, for example: one or more Application Specific Integrated Circuits (ASIC for short), or one or more digital Digital Signal Processor (DSP), or one or more Field Programmable Gate Array (FPGA), etc. For another example, when one of the above modules is implemented in the form of processing component scheduling code, the processing component may be a general-purpose processor, such as a central processing unit (Central Processing Unit, CPU for short) or other processors that can call program codes. . For another example, these modules can be integrated together and implemented in the form of a system-on-a-chip (SOC for short).

As shown in FIG. 3, in one embodiment, the server temperature control system of the present invention includes the above-mentioned baseboard management controller 1, management engine 2, and fan 3. The management engine 2 is used for collecting server temperature information and sending it to the baseboard management controller 1 in a normal state, and the fan 3 is used for adjusting the server temperature under the control of the baseboard management controller 1.

Specifically, both the management engine 2 and the baseboard management controller 3 collect the server temperature information through a platform environmental control interface (PECI), and the management engine 2 and the baseboard management controller 3 pass through General-purpose input and output port (GPIO) for communication.

In an embodiment of the present invention, the server temperature information includes CPU temperature information and memory temperature information.

In summary, the server temperature control method, substrate management controller, and server temperature control system of the present invention can collect the server temperature in real time for temperature control, and ensure the stability of the server performance; it does not manage the working state of the engine Impact. Therefore, the present invention effectively overcomes various shortcomings in the prior art and has a high industrial value.

The above-mentioned embodiments only exemplarily illustrate the principles and effects of the present invention, but are not used to limit the present invention. Anyone familiar with this technology can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or changes made by those with ordinary knowledge in the technical field without departing from the spirit and technical ideas disclosed in the present invention should still be covered by the scope of patent application of the present invention.

1 baseboard management controller 2 management engine 21 The first control module 22 second control module 3 fans

FIG. 1 shows a flowchart of an embodiment of the server temperature control method of the present invention; 2 shows a schematic diagram of the structure of the baseboard management controller of the present invention in an embodiment; FIG. 3 is a schematic diagram showing the structure of the server temperature control system of the present invention in an embodiment.

Flow chart unlabeled

Claims (10)

A server temperature control method is applied to a baseboard management controller. The server includes a management engine and a fan. The server temperature control method includes the following steps: when the management engine is in a normal state, obtaining The management engine collects a server temperature information, and controls the fan according to the server temperature information; and when the management engine is in an abnormal state, collects the server temperature information, and controls the fan according to the server temperature information. The temperature information of the heater controls the fan. The server temperature control method according to claim 1, wherein the baseboard management controller collects the server temperature information through a platform environmental control interface. The server temperature control method according to claim 1, wherein the baseboard management controller communicates with the management engine based on a universal input and output port. The server temperature control method according to claim 3, wherein when the management engine is in the normal state, the universal input and output port signal is in a first state, and it is determined that the management engine collects the server temperature Information; when the management engine is in the abnormal state, the universal input and output port signal is a second state, and it is determined that the substrate management controller collects the server temperature information. A substrate management controller for controlling the temperature of a server, wherein the server includes a management engine and a fan, the substrate management controller includes: a first control module, the first control module When the management engine is in a normal state, obtain a server temperature information collected by the management engine, and control the fan according to the server temperature information; and A second control module for collecting the server temperature information when the management engine is in an abnormal state, and controlling the fan according to the server temperature information. The baseboard management controller according to claim 5, wherein the second control module collects the server temperature information through a platform environmental control interface. The baseboard management controller according to claim 5, wherein the first control module communicates with the management engine based on a universal input and output port. The baseboard management controller according to claim 7, wherein when the management engine is in the normal state, the universal input/output port signal is in a first state, and it is determined that the management engine collects the server temperature information; When the management engine is in the abnormal state, the universal input output port signal is in a second state, and it is determined that the baseboard management controller collects the server temperature information. A server temperature control system, comprising: a substrate management controller as described in one of claim 5-8; a management engine, the management engine is used to collect a server temperature information and send all the information in a normal state The server temperature information is sent to the baseboard management controller; and a fan for adjusting the server temperature under the control of the baseboard management controller. The server temperature control system according to claim 9, wherein the server temperature information includes a CPU temperature information and a memory temperature information.

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