WO2020010862A1

WO2020010862A1 - Power supply control system and method for multi-node server

Info

Publication number: WO2020010862A1
Application number: PCT/CN2019/077401
Authority: WO
Inventors: 张国强; 赵伟涛
Original assignee: 浪潮电子信息产业股份有限公司
Priority date: 2018-07-13
Filing date: 2019-03-08
Publication date: 2020-01-16
Also published as: CN108919933B; CN108919933A

Abstract

A power supply control system for a multi-node server. The power supply control system comprises a first server node of a multi-node server and a second server node corresponding to the first server node, wherein a power supply management controller of the second server node is used for generating a power supply control signal with regard to the first server node after the first server node triggers a preset power supply control condition, and sending the power supply control signal to a power supply control logic circuit of the first server node; and the power supply control logic circuit is used for controlling the connection and disconnection of an electronic fuse of the first server node according to the power supply control signal, so as to control the turning on and turning off of a power supply of the first server node. The present application can replace the manual work and automatically realize control over the turning on and turning off of all the power supplies of the first server node, thereby greatly improving the automation efficiency and reducing the manpower cost. Also disclosed is a power supply control method for a multi-node server. The method also has the above beneficial effects.

Description

Power control system and method for multi-node server

This application claims priority from a Chinese patent application filed on July 13, 2018 with the Chinese Patent Office, application number 201810769612.5, and the invention name is "a power control system and method for a multi-node server", the entire contents of which are incorporated by reference In this application.

Technical field

The present application relates to the field of computer technology, and in particular, to a power control system and method for a multi-node server.

Background technique

Power control is a fundamental operation of a server node.

Current server nodes usually have independent power control methods. During normal shutdown operations, most of the power on the server board and power board can be disconnected, but some power is still reserved, such as waiting for the method to wake up the service. Voltage, etc. However, in some special scenarios, such as firmware upgrades and abnormal downtimes, it is often necessary to power off all power to the server and then restart it. Therefore, in these cases, manual power off and power on are usually used. This method not only increases labor costs, but also is inefficient.

It can be seen that what kind of power control technology of the server node is adopted in order to effectively improve the automation efficiency and reduce the labor cost is a technical problem to be solved urgently by those skilled in the art.

Summary of the invention

The purpose of the present application is to provide a power control system and method for a multi-node server, so as to effectively improve automation efficiency and reduce labor cost.

To solve the above technical problems, the present application provides a power control system for a multi-node server, including a first server node of the multi-node server and a second server node corresponding thereto;

The power management controller of the second server node is configured to generate a power control signal for the first server node after the first server node triggers a preset power control condition, and send the power control signal to the first server node. Power control logic circuit;

The power control logic circuit is configured to control the on-off of the electronic fuse of the first server node according to the power control signal, so as to control the on-off of the power of the first server node.

Optionally, the power control logic circuit is specifically configured to:

Delaying the output of a corresponding fuse control signal to the control end of the electronic fuse according to the power control signal, so as to control the on-off of the electronic fuse;

The power control logic circuit is further configured to:

According to the power control signal, a corresponding power reminder signal is output to the CPU of the first server node, so that the CPU of the first server node saves data.

Optionally, the power supply control logic circuit includes an instant output circuit module, a first proportional adjustment circuit module, a delay circuit module, and a second proportional adjustment circuit module;

The input terminal of the instant output circuit module is connected to the input terminal of the first proportional adjustment circuit module as the input terminal of the power control logic circuit; the output terminal of the instant output circuit module is used to output the power reminder. signal;

An output end of the first ratio adjustment circuit module is connected to an input end of the delay circuit module, and is configured to perform first-stage signal ratio adjustment;

An output terminal of the delay circuit module is connected to an input terminal of the second proportional adjustment circuit module, and is configured to perform delay output adjustment;

The second proportional adjustment circuit module is configured to perform second-stage signal proportional adjustment, and an output terminal of the second proportional adjustment circuit module is used as an output terminal of the power control logic circuit to output the fuse control signal.

Optionally, the instant output circuit module includes a first resistor;

A first terminal of the first resistor is used as an input terminal of the instant output circuit module, and a second terminal of the first resistor is used as an output terminal of the instant output circuit module.

Optionally, the first proportional adjustment circuit module includes a second resistor, a third resistor, and a first MOS transistor;

The first terminal of the second resistor is connected to a power source; the second terminal of the second resistor, the first terminal of the third resistor, and the control terminal of the first MOS transistor are all connected to each other and serve as the An input terminal of the first proportional adjustment circuit module;

The second end of the third resistor is grounded; the first end of the first MOS tube is grounded; and the second end of the first MOS tube is used as the output terminal of the first scaling circuit module.

Optionally, the power source is 12V.

Optionally, the delay circuit module includes a fourth resistor, a fifth resistor, a sixth resistor, and a first capacitor;

A first terminal of the fourth resistor is connected to the power source; a second terminal of the fourth resistor is connected to a first terminal of the fifth resistor, and is used as an input terminal of the delay circuit module;

The second terminal of the fifth resistor, the first terminal of the sixth resistor, and the first terminal of the first capacitor are all connected to each other and serve as an output terminal of the delay circuit module;

A second terminal of the sixth resistor is grounded; a second terminal of the first capacitor is grounded.

Optionally, the second proportional adjustment circuit module includes a second MOS tube, a seventh resistor, and an eighth resistor;

The control terminal of the second MOS tube is used as the input terminal of the second proportional adjustment circuit module; the first terminal of the second MOS tube is grounded; the second terminal of the second MOS tube and the seventh resistor The first terminal of the first resistor and the first terminal of the eighth resistor are connected to each other and serve as an output terminal of the second ratio adjustment circuit module;

A second terminal of the seventh resistor is connected to the power source; a second terminal of the eighth resistor is grounded.

Optionally, the power management controller of the second server node is specifically a baseboard management controller or a complex programmable logic device of the second server node.

This application also provides a power control method for a multi-node server. The multi-node server includes a first server node and a second server node corresponding thereto. The power control method includes:

The first server node triggers a preset power control condition;

The power management controller of the second server node generates a power control signal for the first server node, and sends the power control signal to the power control logic circuit of the first server node;

The power control logic circuit of the first server node controls the on-off of the electronic fuse of the first server node according to the power control signal, so as to control the on-off of the power of the first server node.

The power control system for a multi-node server provided in the present application includes a first server node of the multi-node server and a second server node corresponding thereto; a power management controller of the second server node is used for the first server After the node triggers a preset power control condition, a power control signal for the first server node is generated and sent to the power control logic circuit of the first server node; the power control logic circuit is configured to The control signal controls the on-off of the electronic fuse of the first server node, so as to control the on-off of the power of the first server node.

It can be seen that, compared with the prior art, the power control system of the multi-node server provided in the present application specifically implements the server node by power control signals from other server nodes and by controlling the on-off of the electronic fuse. All power is controlled by power on and off. Therefore, by setting a power control logic circuit and a corresponding second server node in advance for the first server node, and establishing a related electrical control relationship between the two server nodes, it is possible to automatically realize the full power supply to the first server node instead of manually. On-off control, which greatly improves automation efficiency and reduces labor costs. The power control method for a multi-node server provided in the present application also has the above-mentioned beneficial effects.

BRIEF DESCRIPTION OF THE DRAWINGS

In order to more clearly illustrate the prior art and the technical solutions in the embodiments of the present application, the prior art and the drawings that need to be used in the description of the embodiments of the present application will be briefly introduced below. Of course, the following drawings related to the embodiments of the present application describe only a part of the embodiments of the present application. For those of ordinary skill in the art, other people can also obtain other drawings based on the provided drawings without creative efforts. The attached drawings and other obtained drawings also belong to the protection scope of the present application.

FIG. 1 is a structural block diagram of a power control system for a multi-node server provided in this application;

FIG. 2 is a schematic wiring diagram of a power control system of a multi-node server provided in this application;

FIG. 3 is a circuit structural diagram of a power supply control logic circuit provided by the present application; FIG.

FIG. 4 is a flowchart of a power control method for a multi-node server provided in this application.

detailed description

The core of the present application is to provide a power control system and method for a multi-node server, so as to effectively improve automation efficiency and reduce labor cost.

In order to more clearly and completely describe the technical solutions in the embodiments of the present application, the technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

Please refer to FIG. 1. FIG. 1 is a structural block diagram of a power control system for a multi-node server provided in this application, including a first server node of a multi-node server and a second server node corresponding thereto;

The power management controller of the second server node is configured to generate a power control signal for the first server node after the first server node triggers a preset power control condition, and send the power control signal to the power control logic circuit of the first server node;

The power control logic circuit is used to control the on-off of the electronic fuse of the first server node according to the power control signal, so as to control the on-off of the power of the first server node.

Specifically, since a single server node cannot control the power on and off of all its own power sources, the server's power supply control system provided by this application specifically controls the power of another server node. It may be called the first server node to be controlled, and the second server node is used to control the power of the first server node corresponding to the first server.

When the first server node needs to perform power-on and power-off control of all power sources, that is, after it triggers a preset power control condition, the power management controller of the second server node generates a power control signal for the first server node so as to pass The power control signal controls power on and off of all power sources of the first server node. Among them, the preset power supply control conditions are preset conditions that need to be performed for all power supply power-on and power-off control. As mentioned above, specifically, the system may have an abnormal downtime or a firmware upgrade. Those skilled in the art can select and Setting, this application does not limit this.

In addition, the power management controller of the second server node may specifically be a baseboard management controller or a complex programmable logic device of the second server node, and those skilled in the art can also select and set the implementation by themselves.

Specifically, the power supply control signal controls the entire power supply through an EFUSE, which is an electronic fuse that finally acts on the first server node. E-fuse is a protection device on the server power board, which is used to control the on and off of AC power on the power board. When the electronic fuse is on, the AC power supply powers the server power board and transmits power to the motherboard via the power board to maintain the normal operation of the CPU, south bridge, etc. on the motherboard; when the electronic fuse is turned off, The AC power to the entire server is turned off, so all other power sources are also turned off. Therefore, in the server power supply control system provided by the present application, a power supply control logic circuit is provided in the second server node, and the purpose of controlling the on-off of the electronic fuse can be achieved according to the power supply control signal, thereby further controlling the first server. All the power of the node is controlled by on-off.

It should be noted that the first server node that needs to be controlled by the power source herein may be any one of the multi-node servers. In order to enable each server node to implement power-on and power-off control of all power sources, those skilled in the art may set a power control logic circuit and a corresponding second server node for each server node. Specifically, for a designated pair of first server node and second server node, the server node used to control the second server node can be set as the first server node, that is, the first server node and the second server node are established. Mutual control.

It can be seen that the power control system of the multi-node server provided in this application specifically implements the power-on and power-off control of all the power of the server node by using power control signals from other server nodes and controlling the on-off of the electronic fuse. . Therefore, by setting a power control logic circuit and a corresponding second server node in advance for the first server node, and establishing a related electrical control relationship between the two server nodes, it is possible to automatically realize the full power supply to the first server node instead of manually. On-off control, which greatly improves automation efficiency and reduces labor costs.

On the basis of the above embodiments, the power control system of the multi-node server provided in this application:

As a preferred embodiment, the power control logic circuit is specifically configured to:

According to the power control signal, delay outputting the corresponding fuse control signal to the control end of the electronic fuse in order to control the on-off of the electronic fuse;

The power control logic circuit is also used for:

Specifically, before using the electronic fuse of the first server node to power off the power of the first server node, preferably, a period of time may be reserved for the CPU of the first server node to save the currently running data, Turn off the electronic fuse after the data is saved to ensure the continuity of system operation. By introducing a delay mechanism, the relevant circuit design can be used to make the power control logic circuit output the corresponding power reminder signal to the CPU of the first server node immediately after receiving the power control signal, and the CPU completes the data after a certain delay time After saving, the output fuse control signal is applied to the control end of the electronic fuse to realize power-on and power-off control.

Please refer to FIG. 2, which is a schematic diagram of wiring of a power control system of a multi-node server provided in this application.

As shown in Figure 2, the power board of the first server node is provided with an electronic fuse, that is, EFUSE, and a power control logic circuit for inputting a fuse control signal to the electronic fuse control terminal. The BMC or CPLD on the motherboard can be used as Called power management controller. The second server node is the same.

In order to make the routing convenient, stable, and reliable, and considering the layout space between the server nodes, in practice, flying cables are generally not used. Therefore, the power management controller of the second server node and the The electrical connection between the power supply logic control circuits of a server node can be realized through the copper foil wiring of the power supply board of the second server node and the circuit board of the chassis frame, and between two adjacent boards, such as the second server The main board and the power board of the node, or the power board of the second server node and the circuit board of the chassis frame, etc., can be electrically connected by using a blind plug connector.

Please refer to FIG. 3, which is a circuit structural diagram of a power supply control logic circuit provided by the present application.

As shown in FIG. 3, as a preferred embodiment, the power supply control logic circuit includes an instant output circuit module 1, a first proportional adjustment circuit module 2, a delay circuit module 3, and a second proportional adjustment circuit module 4.

The input terminal of the instant output circuit module 1 is connected to the input terminal of the first proportional adjustment circuit module 2 as the input terminal of the power control logic circuit; the output terminal of the instant output circuit module 1 is used to output the power reminder signal;

The output terminal of the first ratio adjustment circuit module 2 is connected to the input terminal of the delay circuit module 3, and is used for performing the first-stage signal ratio adjustment;

The output terminal of the delay circuit module 3 is connected to the input terminal of the second proportional adjustment circuit module 4 for delay output adjustment;

The second proportional adjustment circuit module 4 is used to perform the second-stage signal proportional adjustment, and the output terminal of the second proportional adjustment circuit module 4 is used as an output terminal of the power control logic circuit to output a fuse control signal.

Specifically, the power supply logic control circuit provided in this application may specifically be composed of four functional modules: an instant output circuit module 1, a first proportional adjustment circuit module 2, a delay circuit module 3, and a second proportional adjustment circuit module 4. Among them, the instant output circuit module 1 is used for outputting the power supply reminder signal; the first proportional adjustment circuit module 2 is used for voltage proportional adjustment of the input power control signal; the delay circuit module 3 is used for the first proportional adjustment circuit The output of the module performs delay control; the second proportional adjustment circuit module 4 is used for second-stage voltage proportional adjustment of the delayed signal, and finally outputs a fuse control signal of a proper size to the control end of the electronic fuse.

As a preferred embodiment, the instant output circuit module 1 includes a first resistor R1;

A first terminal of the first resistor R1 is used as an input terminal of the instant output circuit module 1, and a second terminal of the first resistor R1 is used as an output terminal of the instant output circuit module 1.

As a preferred embodiment, the first proportional adjustment circuit module 2 includes a second resistor R2, a third resistor R3, and a first MOS transistor Q1;

The first terminal of the second resistor R2 is connected to a power source; the second terminal of the second resistor R2, the first terminal of the third resistor R3, and the control terminal of the first MOS transistor Q1 are connected to each other and serve as a first proportional adjustment circuit module. 2 input terminals;

The second terminal of the third resistor R3 is grounded; the first terminal of the first MOS tube Q1 is grounded; the second terminal of the first MOS tube Q1 is used as the output terminal of the first proportional adjustment circuit module 2.

Specifically, in the power supply logic control circuit shown in FIG. 3, the resistance value of the second resistor R2 may be selected as 12.4kΩ; correspondingly, the resistance value of the third resistor R3 may be selected as 4.7kΩ; the power supply is 12V, which may be specifically The standby voltage on the power board of the first server node is the standby voltage.

As a preferred embodiment, the delay circuit module 3 includes a fourth resistor R4, a fifth resistor R5, a sixth resistor R6, and a first capacitor C1;

The first terminal of the fourth resistor R4 is connected to a power source; the second terminal of the fourth resistor R4 is connected to the first terminal of the fifth resistor R5 and is used as an input terminal of the delay circuit module 3;

The second terminal of the fifth resistor R5, the first terminal of the sixth resistor R6, and the first terminal of the first capacitor C1 are all connected to each other and serve as the output terminal of the delay circuit module 3.

The second terminal of the sixth resistor R6 is grounded; the second terminal of the first capacitor C1 is grounded.

Specifically, the delay circuit module 3 shown in FIG. 3 uses the delay effect of the RC circuit to perform delay control. Those skilled in the art can design relevant component parameters according to the actual application situation to obtain a suitable delay time. For example, the resistance of the fourth resistor R4 can be specifically selected to be 12.4kΩ; the resistance of the fifth resistor R5 is selected to be 100Ω; the resistance of the sixth resistor R6 is selected to be 4.7kΩ, and the capacitance of the first capacitor C1 is selected Choose 10μF.

As a preferred embodiment, the second proportional adjustment circuit module 3 includes a second MOS transistor Q2, a seventh resistor R7, and an eighth resistor R8;

The control terminal of the second MOS transistor Q2 is used as the input terminal of the second proportional adjustment circuit module 3; the first terminal of the second MOS transistor Q2 is grounded; the second terminal of the second MOS transistor Q2, the first terminal of the seventh resistor R7, The first terminals of the eighth resistor R8 are all connected to each other and serve as the output terminals of the second proportional adjustment circuit module 3;

The second terminal of the seventh resistor R7 is connected to the power source; the second terminal of the eighth resistor R8 is grounded.

Similarly, the seventh resistor R7 may be 12.4kΩ, and the eighth resistor R8 may be 4.7kΩ.

When the power control signal is at a high level, the resistance division voltage of the first proportional adjustment circuit module 2 can pull up the output voltage to 3.3V, thereby ensuring that the final fuse control signal obtained after transmission through the MOS tube is a Stable high-level signal. At this time, the fuse is in a normal conducting state, and the first server node is normally powered. When the power control signal is at a low level, the output of the first proportional adjustment circuit module 2 is pulled down to a low level, and after the two-stage MOS tube is transmitted, the resulting fuse control signal is also at a low level. At this time, the fuse is disconnected, and the first server node is completely powered off.

The power control method of the multi-node server provided in this application is described below.

Please refer to FIG. 4. FIG. 4 is a flowchart of a power control method for a multi-node server provided by the present application. The multi-node server includes a first server node and a corresponding second server node. The power control method mainly includes the following steps. :

Step 1: The first server node triggers a preset power control condition.

Step 2: The power management controller of the second server node generates a power control signal for the first server node and sends it to the power control logic circuit of the first server node.

Step 3: The power control logic circuit of the first server node controls the on-off of the electronic fuse of the first server node according to the power control signal, so as to control the on-off of the power of the first server node.

It can be seen that the power control method of the multi-node server provided in the present application specifically implements the power-on and power-off control of all the power of the server node by using power control signals from other server nodes and controlling the on-off of the electronic fuse. . Therefore, by setting a power control logic circuit and a corresponding second server node in advance for the first server node, and establishing a related electrical control relationship between the two server nodes, it is possible to automatically realize the full power supply to the first server node instead of manually. On-off control, which greatly improves automation efficiency and reduces labor costs.

The specific implementation of the power control method of the multi-node server provided in the present application and the power control system of the multi-node server described above may correspond to each other, and will not be repeated here.

The embodiments in this application are described in a progressive manner. Each embodiment focuses on the differences from other embodiments. For the same and similar parts between the embodiments, refer to each other. As for the method disclosed in the embodiment, since it corresponds to the system disclosed in the embodiment, the description is relatively simple, and the relevant part may refer to the system part description.

It should also be noted that in this application document, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require Or it implies that there is any such actual relationship or order between these entities or operations. Furthermore, the terms "including", "comprising", or any other variation thereof are intended to encompass non-exclusive inclusion, such that a process, system, article, or device that includes a series of elements includes not only those elements but also those that are not explicitly listed Or other elements inherent to such a process, system, article, or device. Without more restrictions, the elements defined by the sentence "including a ..." do not exclude the existence of other identical elements in the process, system, article, or equipment that includes the elements.

The technical solutions provided in this application have been described in detail above. Specific examples are used herein to explain the principle and implementation of the present application. The description of the above embodiments is only used to help understand the system of the present application and its core ideas. It should be noted that for those of ordinary skill in the art, without departing from the principles of the present application, several improvements and modifications can be made to the application, and these improvements and modifications also fall within the protection scope of the claims of the application.

Claims

A power control system for a multi-node server, comprising a first server node of the multi-node server and a second server node corresponding thereto;

The power management controller of the second server node is configured to generate a power control signal for the first server node after the first server node triggers a preset power control condition, and send the power control signal to the first server node. Power control logic circuit;

The power control logic circuit is configured to control the on-off of the electronic fuse of the first server node according to the power control signal, so as to control the on-off of the power of the first server node.
The power supply control system according to claim 1, wherein the power supply control logic circuit is specifically configured to:

Delaying the output of a corresponding fuse control signal to the control end of the electronic fuse according to the power control signal, so as to control the on-off of the electronic fuse;

The power control logic circuit is further configured to:

According to the power control signal, a corresponding power reminder signal is output to the CPU of the first server node, so that the CPU of the first server node saves data.
The power supply control system according to claim 2, wherein the power supply control logic circuit comprises an instant output circuit module, a first proportional adjustment circuit module, a delay circuit module, and a second proportional adjustment circuit module;

The input terminal of the instant output circuit module is connected to the input terminal of the first proportional adjustment circuit module as the input terminal of the power control logic circuit; the output terminal of the instant output circuit module is used to output the power reminder. signal;

An output end of the first ratio adjustment circuit module is connected to an input end of the delay circuit module, and is configured to perform first-stage signal ratio adjustment;

An output terminal of the delay circuit module is connected to an input terminal of the second proportional adjustment circuit module, and is configured to perform delay output adjustment;

The second proportional adjustment circuit module is configured to perform second-stage signal proportional adjustment, and an output terminal of the second proportional adjustment circuit module is used as an output terminal of the power control logic circuit to output the fuse control signal.
The power supply control system according to claim 3, wherein the instant output circuit module includes a first resistor;

A first terminal of the first resistor is used as an input terminal of the instant output circuit module, and a second terminal of the first resistor is used as an output terminal of the instant output circuit module.
The power supply control system according to claim 3, wherein the first proportional adjustment circuit module comprises a second resistor, a third resistor, and a first MOS transistor;

The first terminal of the second resistor is connected to a power source; the second terminal of the second resistor, the first terminal of the third resistor, and the control terminal of the first MOS transistor are all connected to each other and serve as the An input terminal of the first proportional adjustment circuit module;

The second end of the third resistor is grounded; the first end of the first MOS tube is grounded; and the second end of the first MOS tube is used as the output terminal of the first scaling circuit module.
The power supply control system according to claim 5, wherein the power source is 12V.
The power supply control system according to claim 5, wherein the delay circuit module includes a fourth resistor, a fifth resistor, a sixth resistor, and a first capacitor;

A first terminal of the fourth resistor is connected to the power source; a second terminal of the fourth resistor is connected to a first terminal of the fifth resistor, and is used as an input terminal of the delay circuit module;

The second terminal of the fifth resistor, the first terminal of the sixth resistor, and the first terminal of the first capacitor are all connected to each other and serve as an output terminal of the delay circuit module;

A second terminal of the sixth resistor is grounded; a second terminal of the first capacitor is grounded.
The power supply control system according to claim 5, wherein the second proportional adjustment circuit module comprises a second MOS tube, a seventh resistor, and an eighth resistor;

The control terminal of the second MOS tube is used as the input terminal of the second proportional adjustment circuit module; the first terminal of the second MOS tube is grounded; the second terminal of the second MOS tube and the seventh resistor The first terminal of the first resistor and the first terminal of the eighth resistor are connected to each other and serve as an output terminal of the second ratio adjustment circuit module;

A second terminal of the seventh resistor is connected to the power source; a second terminal of the eighth resistor is grounded.
The power supply control system according to any one of claims 1 to 8, wherein the power management controller of the second server node is specifically a baseboard management controller or a complex programmable controller of the second server node. Logic device.
A power control method for a multi-node server. The multi-node server includes a first server node and a corresponding second server node. The method is characterized in that the power control method includes:

The first server node triggers a preset power control condition;

The power management controller of the second server node generates a power control signal for the first server node, and sends the power control signal to the power control logic circuit of the first server node;

The power control logic circuit of the first server node controls the on-off of the electronic fuse of the first server node according to the power control signal, so as to control the on-off of the power of the first server node.