CN114416187A - How to start ARM server and ARM core board - Google Patents

Abstract

The present disclosure provides a startup method of an ARM server and an ARM core board, and relates to the field of computer technology, in particular to the technical field of ARM server, cloud computing and cloud services. The specific implementation scheme is: an ARM server, comprising a baseboard management control board and at least one ARM core board, the baseboard management control board is communicatively connected to the at least one ARM core board; the baseboard management control board is used for , when the at least one ARM core board is in a power-on state, sending a bootstrap program to the at least one ARM core board, so that the at least one ARM core board starts up according to the bootstrap program. The present disclosure achieves the effect of reducing the construction cost and storage pressure of the ARM core board under the premise of ensuring the normal startup of the ARM core board.

Description

How to start ARM server and ARM core board

technical field

The present disclosure relates to the field of computer technology, in particular to the technical field of ARM servers, cloud computing and cloud services, and in particular to a method for starting an ARM server and an ARM core board.

Background technique

ARM server refers to a high-performance computing device designed and developed using a dedicated server CPU with ARM architecture, mainly for mobile applications, such as cloud games, cloud mobile phones, and mobile office.

At present, the startup of the ARM core board in the ARM server is realized through the bootstrap program stored by the ARM core board itself.

SUMMARY OF THE INVENTION

The present disclosure provides a method, an apparatus, an electronic device and a medium for reducing the construction cost of an ARM core board under the premise of ensuring the normal startup of the ARM core board.

According to an aspect of the present disclosure, an ARM server is provided, including a baseboard management control board and at least one ARM core board, the baseboard management control board being communicatively connected to the at least one ARM core board;

The baseboard management control board is configured to, when the at least one ARM core board is in a powered-on state, send a bootstrap program to the at least one ARM core board, so that the at least one ARM core board Start the bootloader to start.

According to another aspect of the present disclosure, a method for starting an ARM core board is provided, which is executed by the ARM core board in the ARM server described in any one of the present disclosures, and the method includes:

When the ARM core board is in a powered-on state, obtain a bootstrap program from the baseboard management control board in the ARM server;

Start the ARM core board according to the startup boot program.

It should be understood that what is described in this section is not intended to identify key or critical features of embodiments of the disclosure, nor is it intended to limit the scope of the disclosure. Other features of the present disclosure will become readily understood from the following description.

Description of drawings

The accompanying drawings are used for better understanding of the present solution, and do not constitute a limitation to the present disclosure. in:

1A is a schematic structural diagram of an ARM core board in some prior art disclosed according to an embodiment of the present disclosure;

1B is a schematic structural diagram of some ARM servers disclosed according to an embodiment of the present disclosure;

2 is a schematic structural diagram of other ARM servers disclosed according to an embodiment of the present disclosure;

3 is a flowchart of a method for starting an ARM core board disclosed according to an embodiment of the present disclosure;

FIG. 4 is a flow chart of other startup methods of ARM core boards disclosed according to an embodiment of the present disclosure.

Detailed ways

Exemplary embodiments of the present disclosure are described below with reference to the accompanying drawings, which include various details of the embodiments of the present disclosure to facilitate understanding and should be considered as exemplary only. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the embodiments described herein can be made without departing from the scope and spirit of the present disclosure. Also, descriptions of well-known functions and constructions are omitted from the following description for clarity and conciseness.

During the research and development process, the applicant found that the ARM core board carried by the ARM server currently in the market is usually composed of a chip unit, a memory unit, a storage unit and a network card unit. FIG. 1A is a schematic structural diagram of some prior art ARM core boards disclosed according to an embodiment of the present disclosure. As shown in FIG. 1A , the chip unit 10 is connected in communication with the memory unit 11 , the storage unit 12 and the network card unit 13 respectively, wherein the storage unit A bootstrap program is stored in 12 . When the ARM core board is powered on, the ARM core board is booted based on the bootstrap program stored in the storage unit 12 .

However, with the current structure of the ARM core board, a storage unit must be installed before each ARM core board leaves the factory to store the bootstrap program to ensure that each ARM core board can be started normally, which undoubtedly greatly improves the ARM core board. It also increases the storage pressure of each ARM core board.

FIG. 1B is a schematic structural diagram of some ARM servers disclosed according to an embodiment of the present disclosure, which can be applied to control the startup of an ARM core board in an ARM server.

As shown in FIG. 1B , the ARM server 100 disclosed in this embodiment includes a baseboard management control board 101 and at least one ARM core board 102 , and the baseboard management control board 101 is connected in communication with the at least one ARM core board 102 ;

The baseboard management control board 101 is configured to send a bootstrap program to the at least one ARM core board 102 when the at least one ARM core board 102 is powered on, so that the at least one ARM core board 102 starts up according to the bootstrap program.

In one structural form, the ARM server 100 includes a chassis, and at least one ARM core board 102 is arranged inside the chassis. The arrangement of the ARM core boards 102 in the chassis includes but is not limited to vertical parallel arrangement or horizontal parallel arrangement. The number of ARM core boards 102 can be set according to specific business requirements. Optionally, one ARM core board 102 is used to process data of a specific user, that is, there is a binding relationship between the user and the ARM core board.

The ARM core board 102 can be disposed in the ARM server 100 in a detachable form, or can be disposed in the ARM server 100 in an integrated form, such as a welding form. In other words, when the ARM core board 102 is installed in the ARM server 100 in a detachable form, technicians can adjust the type of the ARM core board 102 in real time according to business requirements or changes in computing power requirements, and the adaptability is stronger; When the 102 is arranged in the ARM server 100 in an integrated form, it is convenient for the mass production of the ARM core board 102 and the ARM server 100 so as to be put into practical business quickly.

The ARM server 100 also includes a baseboard management control board 101. The type of the baseboard management control board 101 is a Baseboard Management Controller (BMC) board, which is a dedicated service processor or ARM PC cluster, and uses sensors to monitor the ARM core board. 102, and communicate with external devices through independent connection lines and configuration interfaces to manage the ARM core board 102, including but not limited to ARM core board startup, monitoring of operating environment data, and power supply control.

The communication between each ARM core board 102 and the baseboard management control board 101 includes but is not limited to SPI (Serial Peripheral Interface, serial peripheral interface) bus, Queued SPI (Queued Serial Peripheral Interface, queued serial peripheral interface) bus and USB (Universal Serial Bus, Universal Serial Bus) and other communication connections, so that each ARM core board 102 and the baseboard management control board 101 perform data interaction.

Optionally, each ARM core board 102 is powered by including a built-in battery module of the ARM server 100 , or powered by an external power supply. This embodiment does not limit the power supply mode of each ARM core board 102 . When any ARM core board 102 is in a power-on state, the ARM core board 102 generates a program request and sends it to the baseboard management control board 101 . The baseboard management control board 101 receives the program request, obtains the bootstrap program corresponding to the program request from the bootstrap program stored locally, and then sends the bootstrap program to the ARM core board 102 . The ARM core board 102 receives the bootstrap program, loads the bootstrap program, and then starts the ARM core board 102 . Among them, the bootstrap program, namely Bootloader, is the first piece of code executed after the ARM core board is powered on, and is used to initialize the hardware of the ARM core board.

In the present disclosure, a baseboard management control board is set in the ARM server, and the baseboard management control board distributes a bootstrap program for at least one ARM core board in the ARM server, so that the at least one ARM core board is started according to the bootstrap program, so that the Each ARM core board does not need to be installed with a storage unit for storing the bootstrap program before leaving the factory, which reduces the construction cost of the ARM core board and reduces the storage pressure of the ARM core board. Further, since the storage of the bootstrap program in the ARM core board is canceled, the distribution of the bootstrap program is carried out by the baseboard management control board, which avoids the problem of inability to boot due to the failure of the bootstrap program in the board, which leads to returning to the factory for maintenance, and improves the ARM performance. The security of the core board and the maintenance flexibility of the ARM server.

FIG. 2 is a schematic structural diagram of another ARM server disclosed according to an embodiment of the present disclosure, which is further optimized and expanded based on the above technical solution, and can be combined with each of the above optional structural forms.

As shown in FIG. 2 , the ARM server 100 disclosed in this embodiment may include:

On the basis of the above embodiment, the ARM core board 102 includes a chip unit 103 and a memory unit 104, and the chip unit 103 is communicatively connected to the memory unit 104;

The chip unit 103 is configured to generate a program request according to the identification information of the at least one ARM core board 102, and send the program request to the baseboard management control board 101, so as to obtain a bootstrap program matching the identification information from the baseboard management control board 101 ; The chip unit 103 is also used to load the bootstrap program in the memory unit 104 for hardware initialization of at least one ARM core board 102 .

In a structural form, the type of the chip unit 103 in this embodiment is an ARM chip, and the ARM chip is an advanced reduced instruction set (Advanced RISC Machine), which uses a 32-bit reduced instruction set (RISC) processor. The architecture, which is widely used in many embedded system designs, has the advantages of low power consumption and low price.

When the chip unit 103 in any ARM core board 102 detects that the ARM core board 102 is in the power-on state, it generates a program request carrying the identification information according to the identification information of the ARM core board 102, such as the core board number, etc. , and send the program request to the baseboard management control board 101 .

The baseboard management control board 101 stores a bootstrap program, and the bootstrap program is stored in association with the identification information. The baseboard management control board 101 receives the program request, parses the program request to obtain identification information, and then sends the locally stored startup boot program that matches the identification information to the chip unit 103 .

The chip unit 103 receives the bootstrap program matching the identification information, and imports the bootstrap program into the memory unit 104 for loading, so as to realize the hardware initialization of the ARM core board 102 . The type of the memory unit 104 includes, but is not limited to, LPDDR (Low Power Double Data Rate SDRAM, low power consumption memory) and the like.

The chip unit generates a program request according to the identification information of the ARM core board, and sends the program request to the baseboard management control board. The ARM core board can perform normal hardware initialization.

On the basis of the above embodiment, at least one ARM core board 102 is composed of a chip unit 103, a memory unit 104 and a network card unit 105, and the chip unit 103 is connected to the network card unit 105 in communication; the chip unit 103 is also used in the at least one ARM core board 102 When the hardware initialization is completed, a file request is generated according to the identification information, and the file request is sent to the network card unit 105; The system image file is sent to the chip unit 103 ; the chip unit 103 is further configured to load the system image file in the memory unit 104 for starting at least one ARM core board 102 . The storage server 106 represents a server with a data storage function other than the ARM server 100 . The system image file represents a compressed file of all data required to install the system. The type of the system image file includes but is not limited to Android system image file, Windows system image file or IOS system image file and so on.

In one structural form, when detecting that the hardware initialization of the ARM core board 102 is completed, the chip unit 103 generates a file request carrying the identification information according to the identification information of the ARM core board 102 , and sends the file request to the network card unit 105 . The network card unit 105 is in communication connection with the storage server 106 , and the network card unit 105 sends a file request to the storage server 106 .

The storage server 106 is a server with data storage and data sending and receiving functions, and is equipped with a large number of hard disks. Usually, the storage server 106 is equipped with 12 or more hard disks for storing data. In this embodiment, the storage server 102 can be selected as a 36-disk storage server, using a 4U-sized chassis, and the front panel is equipped with 24 hot-swappable SSDs (Solid State Disk, solid-state hard disk) or SATA (Serial ATA, serial port hard disk) ), and 8 hot-swappable hard drives are extended at the rear. The storage server 106 stores a system image file, and the system image file is stored in association with the identification information. The storage server 106 receives the file request, parses the file request to obtain identification information, and then sends a system image file matching the identification information in the locally stored system image file to the network card unit 105 .

The type of network card unit 105 includes, but is not limited to, an integrated network card or a standalone network card. If the type of the network card unit 105 is an integrated network card, the network card unit 105 is directly installed in the ARM core board 102 by welding, which is convenient for mass production; if the type of the network card unit 105 is an independent network card, the network card unit 105 is inserted in the ARM In the expansion slot of the core board 102, it can be disassembled at will and has flexibility.

After receiving the system image file, the network card unit 105 sends the system image file to the chip unit 103 . The chip unit 103 receives the system image file and loads the system image file in the memory unit 104 for starting the ARM core board 102 .

By setting the system image file to be stored in the storage server, since the system image file usually has a large amount of data, it is avoided to directly store the system image file in the ARM core board, which leads to the problem of high storage pressure on the ARM core board; The unit generates a file request according to the identification information of the ARM core board, and sends the file request to the network card unit, and the network card unit forwards the file request to the storage server. The effect is to ensure that the ARM core board can start normally.

On the basis of the above embodiment, the chip unit 103 is further configured to send the working data of at least one ARM core board 102 to the storage server 106 through the network card unit 105, so that the storage server 106 stores the working data.

In one structural form, when the ARM core board 102 is started, various types of working data are generated. The chip unit 103 acquires the working data of the ARM core board 102 and sends the working data to the network card unit 105 . The network card unit 105 receives the working data and sends the working data to the storage server 106 .

The storage server 106 receives the work data and stores the work data. It can be used for technical personnel to retrieve working data from the storage server 106 for troubleshooting in certain specific scenarios, such as when the server is down.

The working data of the ARM core board is sent to the storage server through the network card unit through the chip unit, so that the storage server stores the working data, which realizes the effect of recording the working data of the ARM core board, and lays a foundation for the subsequent retrieval of the working data; The working data is stored in the storage server and does not need to be directly stored in the ARM core board, which reduces the storage pressure of the ARM core board.

On the basis of the above embodiment, the network card unit 105 and the storage server 106 are connected through Ethernet.

In a structural form, the type of the network card unit 105 of each ARM core 102 is EthernetController. Correspondingly, the network card unit 105 is connected to the storage server 106 through the Ethernet through the network port of the ARM server 100 .

By setting the Ethernet connection between the network card unit and the storage server, the communication cost is reduced on the premise of ensuring the communication rate between the network card unit and the storage server.

On the basis of the above-mentioned embodiment, the baseboard management control board 101 includes a baseboard management controller 107 and a storage unit 108, and the baseboard management controller 107 is connected to the storage unit 108 in communication; Program request, obtain the bootstrap program from the storage unit 108 , and send the bootstrap program to the chip unit 103 . The optional type of the storage unit 108 includes a Flash chip (flash memory chip), an EMMC (Embedded Multi Media Card, embedded multimedia card) chip, or a UFS (Universal Flash Storage, universal flash memory storage) chip and the like.

In a structural form, when the chip unit 103 in any ARM core board 102 detects that the ARM core board 102 is in a power-on state, a program request carrying the identification information is generated according to the identification information of the ARM core board 102 , and send the program request to the baseboard management controller 107 .

The baseboard management controller 107 receives the program request, parses the program request to obtain identification information, and further obtains the booting boot program matching the identification information from the booting boot program stored in the storage unit 108 and sends it to the chip unit 103 .

The baseboard management controller obtains the bootstrap program from the storage unit of the baseboard management control board and sends it to the chip unit, so that the effect of the bootstrap program distribution by the baseboard management controller is realized, so that each ARM core board does not need to be shipped before leaving the factory. The storage unit is installed for storing the bootstrap program, which reduces the construction cost of the ARM core board and reduces the storage pressure of the ARM core board.

On the basis of the above embodiment, the chip unit 103 and the baseboard management controller 107 are connected through a high-speed data bus.

In one structural form, the type of high-speed data bus connection between the chip unit 103 and the baseboard management controller 107 in this embodiment includes but is not limited to SPI bus, Queued SPI bus, and USB.

By setting the high-speed data bus connection between the chip unit and the baseboard management controller, the rate of data interaction between the chip unit and the baseboard management controller is ensured, so that the baseboard management controller can distribute the bootstrap program to the chip unit in time, reducing the The waiting time required for the ARM core board to start.

Optionally, the baseboard management controller 107 also has the function of editing a bootstrap program.

Specifically, the user can execute a program editing instruction in the baseboard management controller 107 , so as to edit the bootstrap program stored in the storage unit 108 through the baseboard management controller 107 . For example, rewrite the bootstrap program of an ARM core board.

The bootstrap program is rewritten through the baseboard management controller, which facilitates the adaptation of the bootstrap program for different hardware platforms, expands the scope of application of the ARM core board, and further improves the user satisfaction of the ARM server.

FIG. 3 is a flowchart of some ARM core board startup methods disclosed according to an embodiment of the present disclosure. This embodiment can be applied to a situation of controlling the startup of an ARM core board in an ARM server. The method of this embodiment may be executed by the ARM core board in the ARM server disclosed in the embodiment of the present disclosure, may be implemented by software and/or hardware, and may be integrated on any electronic device with computing capability.

As shown in FIG. 3 , the startup method of the ARM core board disclosed in this embodiment may include:

S301, when the ARM core board is in a powered-on state, obtain a bootstrap program from a baseboard management control board in the ARM server.

In one embodiment, when any ARM core board in the ARM server is in a powered-on state, the ARM core board generates a program request and sends it to the baseboard management control board in the ARM server. The baseboard management control board receives the program request, obtains the bootstrap program corresponding to the program request from the bootstrap program stored locally on the baseboard management control board, and then sends the bootstrap program to the ARM core board.

S302, start the ARM core board according to the bootstrap program.

In one embodiment, the ARM core board receives the bootstrap program sent by the baseboard management control board, and loads the program according to the bootstrap program to start the ARM core board.

The present disclosure obtains the bootstrap program from the baseboard management control board in the ARM server through the ARM core board, which is used to start the ARM core board, and realizes the effect of distributing the bootstrap program from the baseboard management control board to the ARM core board, so that the ARM The core board does not need to install a storage unit for storing the bootstrap program before leaving the factory, which reduces the construction cost of the ARM core board and reduces the storage pressure of the ARM core board. Further, since the storage of the bootstrap program in the ARM core board is canceled, the distribution of the bootstrap program is carried out by the baseboard management control board, which avoids the problem of inability to boot due to the failure of the bootstrap program in the board, which leads to returning to the factory for maintenance, and improves the ARM performance. The security of the core board and the maintenance flexibility of the ARM server.

Optionally, after S302, include:

Obtain the working data of the ARM core board, and send the working data to the storage server, so that the storage server stores the working data.

In one embodiment, when the ARM core board is started, various types of working data will be generated. The chip unit in the ARM core board obtains the working data of the ARM core board and sends the working data to the network card unit in the ARM core board. . The network card unit receives the working data and sends the working data to the storage server that has a communication relationship with the ARM core board.

The storage server receives the work data and stores the work data. It can be used in some specific scenarios, such as when the server is down, for technicians to retrieve working data from the storage server for troubleshooting.

By acquiring the working data of the ARM core board and sending the working data to the storage server, the storage server stores the working data, realizing the effect of recording the working data of the ARM core board, and laying a foundation for the subsequent retrieval of the working data; The data is stored in the storage server and does not need to be directly stored in the ARM core board, which reduces the storage pressure of the ARM core board.

FIG. 4 is a flow chart of other startup methods of ARM core boards disclosed according to an embodiment of the present disclosure, which is further optimized and expanded based on the above-mentioned technical solutions, and can be combined with the above-mentioned optional embodiments.

As shown in FIG. 4 , the startup method of the ARM core board disclosed in this embodiment may include:

S401. When the ARM core board is in a powered-on state, generate a program request according to identification information of the ARM core board, and send the program request to the baseboard management control board.

In one embodiment, when the chip unit in any ARM core board detects that the ARM core board is in a powered-on state, then according to the identification information of the ARM core board, such as the core board number, etc. and send the program request to the baseboard management control board in the ARM server.

S402. Acquire a bootstrap program matching the identification information from the baseboard management control board.

In one embodiment, the baseboard management controller in the baseboard management control board receives the program request, parses the program request to obtain identification information, and then obtains the identification information from the bootstrap program stored in the storage unit of the baseboard management control board. The bootstrap program matching the identification information is sent to the chip unit.

S403: Load the bootstrap program, which is used to initialize the hardware of the ARM core board.

In one embodiment, the chip unit in the ARM core board receives the bootstrap program matching the identification information, and imports the bootstrap program into the memory unit in the ARM core board for loading, so as to realize the ARM core board hardware initialization.

S404, when the hardware initialization of the ARM core board is completed, obtain the system image file from the storage server, and load the system image file for starting the ARM core board.

In one embodiment, when the chip unit detects that the hardware initialization of the ARM core board is completed, the chip unit generates a file request and sends the file request to a storage server communicatively connected to the ARM core board. The storage server receives the file request, obtains the system image file corresponding to the file request from the stored system image file, and sends it to the chip unit. The chip unit receives the system image file and loads the system image file in the memory unit for starting the ARM core board.

Optionally, "obtaining the system image file from the storage server" in S404 includes:

According to the identification information of the ARM core board, a file request is generated, and the file request is sent to the storage server; the system image file matching the identification information is obtained from the storage server.

In one embodiment, when detecting that the hardware initialization of the ARM core board is completed, the chip unit generates a file request carrying the identification information according to the identification information of the ARM core board, and sends the file request to the network card unit of the ARM core board. The network card unit is in communication connection with the storage server, and the network card unit sends a file request to the storage server.

The storage server receives the file request, parses the file request to obtain identification information, and then sends the locally stored system image file, the system image file that matches the identification information, to the network card unit. After the network card unit receives the system image file, it sends the system image file to the chip unit.

Exemplarily, assuming that the ARM core board identification information parsed by the storage server is "001", the identification information and system image files stored in association in the storage server include: 001-system image file A, 002-system image file B, 003 -system image file C and 004-system image file D, 005-system image file E and 006-system image file F, then compare the ARM core board identification information "001" with all identification information "001" in the storage server, "002", "003", "004", "005" and "006" are matched, and then the "system image file A" corresponding to the identification information "001" is used as the system image file matching the identification information of the ARM core board. , and sent to the chip unit.

By generating a file request according to the identification information of the ARM core board, and sending the file request to the storage server, the system image file matching the identification information is obtained from the storage server. The system image file is directly stored in the ARM core board, which leads to the problem that the storage pressure of the ARM core board is high; and because the file request carries the ARM core board identification information, it is possible to obtain the ARM core board from the storage server. The effect of the system image file ensures that the ARM core board can start normally.

In the present disclosure, the program request is generated according to the identification information of the ARM core board, and the program request is sent to the baseboard management control board, and then the bootstrap program matching the identification information is obtained from the baseboard management control board, so as to realize the control from the baseboard management. The effect of the bootstrap program adapted to the ARM core board is obtained from the board to ensure the normal hardware initialization of the ARM core board; by loading the bootstrap program, it is used to initialize the hardware of the ARM core board; by initializing the hardware on the ARM core board In the case of completion, obtain the system image file from the storage server, and load the system image file to start the ARM core board. Since the system image file usually has a large amount of data, avoid directly storing the system image file in the ARM core board. , leading to the problem of greater storage pressure on the ARM core board.

The above-mentioned specific embodiments do not constitute a limitation on the protection scope of the present disclosure. It should be understood by those skilled in the art that various modifications, combinations, sub-combinations and substitutions may occur depending on design requirements and other factors. Any modifications, equivalent replacements, and improvements made within the spirit and principles of the present disclosure should be included within the protection scope of the present disclosure.

Claims (12)

1. An ARM server comprises a substrate management control board card and at least one ARM core board, wherein the substrate management control board card is in communication connection with the at least one ARM core board;

the substrate management control board card is used for sending a starting bootstrap program to the at least one ARM core board under the condition that the at least one ARM core board is in a power-on state, so that the at least one ARM core board is started according to the starting bootstrap program.

2. The ARM server of claim 1, wherein the ARM core board comprises a chip unit and a memory unit, the chip unit communicatively coupled to the memory unit;

the chip unit is used for generating a program request according to the identification information of the at least one ARM core board, sending the program request to the substrate management control board card, and obtaining a starting bootstrap program matched with the identification information from the substrate management control board card;

the chip unit is further configured to load the boot loader in the memory unit, and is configured to perform hardware initialization on the at least one ARM core board.

3. The ARM server of claim 2, wherein the at least one ARM core board is composed of the chip unit, the memory unit, and a network card unit, and the chip unit is communicatively connected to the network card unit;

the chip unit is further configured to generate a file request according to the identification information and send the file request to the network card unit when the initialization of the at least one ARM core board hardware is completed;

the network card unit is used for sending the file request to a storage server, acquiring a system image file matched with the identification information from the storage server, and sending the system image file to the chip unit;

the chip unit is further configured to load the system image file in the memory unit, and is configured to start the at least one ARM core board.

4. The ARM server of claim 3, wherein the chip unit is further configured to send working data of the at least one ARM core board to the storage server through the network card unit, so that the storage server stores the working data.

5. The ARM server of claim 2, wherein the baseboard management controller board comprises a baseboard management controller and a storage unit, the baseboard management controller being communicatively connected to the storage unit;

the baseboard management controller is used for acquiring the starting bootstrap program from the storage unit according to the program request sent by the chip unit and sending the starting bootstrap program to the chip unit.

6. The ARM server as claimed in claim 3 or 4, wherein the network card unit is connected to the storage server through an Ethernet.

7. The ARM server of claim 5, wherein the chip unit and the baseboard management controller are connected by a high-speed data bus.

8. A method for starting an ARM core board, which is executed by the ARM core board in the ARM server according to any one of claims 1 to 7, the method comprising:

under the condition that the ARM core board is in a power-on state, a boot program is started from a substrate management control board card in the ARM server;

and starting the ARM core board according to the starting bootstrap program.

9. The method of claim 8, wherein the obtaining a boot loader from a baseboard management controller board in the ARM server comprises:

generating a program request according to the identification information of the ARM core board, and sending the program request to the substrate management control board card;

and acquiring a starting bootstrap program matched with the identification information from the substrate management control board card.

10. The method of claim 8, wherein the booting the ARM core board according to the boot loader comprises:

loading the boot program for initializing the hardware of the ARM core board;

and under the condition that the hardware initialization of the ARM core board is completed, acquiring a system image file from a storage server, and loading the system image file for starting the ARM core board.

11. The method of claim 10, wherein the retrieving the system image file from the storage server comprises:

generating a file request according to the identification information of the ARM core board, and sending the file request to the storage server;

and acquiring the system image file matched with the identification information from the storage server.

12. The method of any of claims 8-11, further comprising, after the ARM core board is booted according to the boot loader:

and acquiring the working data of the ARM core board, and sending the working data to a storage server to enable the storage server to store the working data.

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