CN111930402A - Firmware upgrading method of cluster server and cluster server - Google Patents
Firmware upgrading method of cluster server and cluster server Download PDFInfo
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- CN111930402A CN111930402A CN202010879288.XA CN202010879288A CN111930402A CN 111930402 A CN111930402 A CN 111930402A CN 202010879288 A CN202010879288 A CN 202010879288A CN 111930402 A CN111930402 A CN 111930402A
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Abstract
The invention discloses a firmware upgrading method of a cluster server and the cluster server, wherein the firmware upgrading method of the cluster server comprises the following steps: the method comprises the following steps that auxiliary firmware is written into a daughter board device through a USB line by a mainboard, and the daughter board device is restarted according to the auxiliary firmware; after the daughter board equipment is restarted, the mainboard sends upgrading configuration parameters to the daughter board equipment, and the daughter board equipment configures upgrading environment according to the upgrading configuration parameters; the daughter board equipment sends a firmware upgrading request to the Web server through the Ethernet line; and the daughter board equipment receives the firmware data fed back by the Web server and writes the firmware data into a memory. The invention can more efficiently and conveniently finish firmware upgrading.
Description
Technical Field
The invention relates to the technical field of cluster servers, in particular to a firmware upgrading method of a cluster server and the cluster server.
Background
A cluster server is a set of servers that combine multiple server connections to perform the same service, and from the perspective of a client, the cluster server appears to have only one server. The cluster server can utilize a plurality of computers to perform parallel computation so as to obtain high computation speed and greatly improve the operation performance of the server. Generally, a cluster server includes a main board and a plurality of sub-boards, and upgrading firmware is cumbersome due to the large number of sub-boards. The existing fixed part upgrading mode comprises two modes, one mode is to directly download firmware for upgrading by using a USB interface, the operation mode is limited by the bandwidth and the number of the USB interface and is only suitable for servers with small upgrading number, the other mode is to upgrade by using TF cards, the upgrading mode needs to configure TF cards with the same number as that of daughter boards, and needs to write the firmware into each TF card, and once the firmware is updated newly, programs need to be rewritten to the TF cards.
Disclosure of Invention
The invention provides a firmware upgrading method of a cluster server and the cluster server, which can more efficiently and conveniently finish firmware upgrading.
According to a first aspect of the present invention, the present invention provides a firmware upgrade method for a cluster server, including the following steps: the method comprises the following steps that auxiliary firmware is written into a daughter board device through a USB line by a mainboard, and the daughter board device is restarted according to the auxiliary firmware; after the daughter board equipment is restarted, the mainboard sends upgrading configuration parameters to the daughter board equipment, and the daughter board equipment configures upgrading environment according to the upgrading configuration parameters; the daughter board equipment sends a firmware upgrading request to the Web server through the Ethernet line; and the daughter board equipment receives the firmware data fed back by the Web server and writes the firmware data into a memory.
Preferably, the auxiliary firmware includes a kernel of Ubuntu firmware, a root file system, and an upgrade parameter, where the root file system is customized using Buildroot, and the upgrade parameter includes a path for upgrading the firmware.
Preferably, the auxiliary firmware is packaged, and the packaging process is as follows: packaging all files in the tar/directory into a tar.gz packet, and adding the tar.gz packet into res/wipe _ all-misc.img to serve as a misc partition firmware file; decompressing res/boot.img files in Ubuntu firmware, prompting a kernel and resource files, and packaging res/recovery.cpio.gz together with a root file system generated by the Buildrop into recovery.img files; and packaging all the partition firmware files into the final auxiliary firmware.
Preferably, when the main board burns the auxiliary firmware to the daughter board device through the USB line, the rkdepevelopolol program on the PC is transplanted to the host and runs; and modifying the rkdeveloptool program, and adding a firmware file programming function and a multithreading support function.
Preferably, after the step of receiving the firmware data fed back by the Web server and programming the firmware data into the memory, the daughter board device further includes the following steps: after the firmware is upgraded successfully, the daughter board equipment feeds back upgrade success information to the main board or controls a preset LED lamp on the daughter board equipment to flicker.
According to a second aspect of the present invention, the present invention provides a cluster server, which includes a main board and a daughter board device, where the main board and the daughter board device are configured to execute the firmware upgrade method of the cluster server.
The invention has the following technical effects: the main board sends the auxiliary firmware to the daughter board equipment through the USB line, an upgrading tool and upgrading parameters required by upgrading the firmware are provided, the daughter board equipment requests firmware data through the Ethernet line, and the firmware is upgraded after the firmware data is received, so that the USB interface does not need to be expanded, the firmware is upgraded by utilizing the Ethernet line carried by the daughter board equipment, the transmission rate is higher, the automatic upgrading is realized, and the efficiency and the convenience are higher.
Drawings
Fig. 1 is a schematic structural diagram of a cluster server according to an embodiment of the present invention;
fig. 2 is a flowchart of a firmware upgrading method for a cluster server according to an embodiment of the present invention.
Detailed Description
Before the present invention is described in detail, it is necessary to describe the hardware structure of the present invention specifically, as shown in fig. 1, the cluster server of the present invention includes a main board 1 and a plurality of daughter board devices 2, and the daughter board devices 2 are connected to the main board 1 through a built-in USB cable and an ethernet cable. Traditional USB line and ethernet cable all walk the line through the PCB board and replace for the integrated level of circuit board is high, stability is good. The motherboard and the daughter board devices can be regarded as independent computer hosts and respectively have a CPU, a memory, an internal eMMC memory, a network interface and the like. The daughter board device 2 is connected to the Web server through a network interface such as an ethernet line to acquire data from the Web server.
An embodiment of the present invention provides a firmware upgrading method for a cluster server, which may refer to a flowchart shown in fig. 2, and the method includes the following steps:
s100: the mainboard writes auxiliary firmware to the daughter board equipment through the USB line, and the daughter board equipment is restarted according to the auxiliary firmware. The mainboard can be made auxiliary firmware in advance, the auxiliary firmware contains the required upgrading tool and the upgrading parameter of daughter board equipment upgrading firmware, the mainboard burns auxiliary firmware into daughter board equipment through a built-in USB line, and the daughter board equipment can load and run the firmware and restart the firmware to prepare for upgrading the firmware. For a part of daughter board devices running firmware, the daughter board devices need to be switched to the Loader mode.
S200: and after the daughter board equipment is restarted, the mainboard sends upgrading configuration parameters to the daughter board equipment, and the daughter board equipment configures upgrading environment according to the upgrading configuration parameters. The main board can detect the state of the daughter board equipment, after the daughter board equipment is restarted, upgrade configuration parameters are sent to the daughter board equipment, the daughter board equipment carries out network configuration of an upgrade environment, and an upgrade program can be modified.
S300: the daughter board device sends a firmware upgrade request to the Web server through the ethernet line. After the upgrading environment is configured successfully, the daughter board device sends a firmware upgrading request to a preset Web server through an Ethernet cable so as to request for upgrading the firmware. The Web server may verify the validity of the request, e.g., the request is valid, and the Web server may send firmware data to the requesting daughter board device.
S400: the daughter board equipment receives the firmware data fed back by the Web server, and can write the received firmware data into the memory in real time so as to upgrade the firmware.
In one embodiment, the auxiliary firmware includes a kernel of Ubuntu firmware, a root file system customized using Buildroot, and upgrade parameters including a path to upgrade the firmware. The inherent Ubuntu firmware kernel of the daughter board equipment is reused, and the kernels of other firmware do not need to be called additionally, so that the complexity of project compiling can be reduced. The upgrade parameters include a path to upgrade the firmware, thereby upgrading the specified firmware. The root file system is customized using the build root, and necessary functions such as an adb support function and a rkupdate support function are added, so that the volume of the auxiliary firmware can be reduced.
Specifically, the Buildroot customization is customized based on a warehouse of a motherboard chip original factory. The main modifications are: 1. minimized Buildroot configurations, containing only the basic required functions, including adb, busy, rkupdate, etc.; 2. the boot-strap automatically executes the preset script, specifically, the preset script can be a/usr/bin/netrecovery script, and the/usr/bin/netrecovery script is responsible for extracting the embedded tar.gz packet from the mic partition, decompressing the embedded tar.gz packet to the/tmp directory and operating the/tmp/netrecovery script in the/tmp/netrecovery script. The/tmp/netrecovery script comprises main upgrading operation and needs to be frequently modified, so that the auxiliary firmware provides the upgrading operation, and the need of compiling the Buildrop root file system is eliminated; 3. the dependency library libcurl is installed for http support.
In one embodiment, the auxiliary firmware is packaged as follows: packaging all files in the tar/directory into a tar.gz packet, and adding the tar.gz packet into res/wipe _ all-misc.img as a misc partition firmware file, wherein the tar.gz packet is decompressed into a/tmp directory when the auxiliary firmware is started, and automatically executing a/tmp/netrecovery script; decompressing res/boot.img files in Ubuntu firmware, prompting a kernel and resource files, and packaging into recovery.img files together with a root file system generated by the Buildrop; finally, all the partitioned firmware files are packaged into the final auxiliary firmware.
In one embodiment, for the motherboard of the arm64 architecture, the original manufacturer of the motherboard provides some open source programs, such as the rkdeveloptool program. When the mainboard burns auxiliary firmware to the daughter board equipment through a USB line, transplanting an rkdepevelopologol program on a PC (personal computer) connected with the mainboard to a host and running; the method comprises the steps of modifying an rkdeveloptool program, adding a firmware file programming function, including switching of a starting mode (namely how to switch a Loader mode to a Maskrom mode) and programming of a firmware file, and adding a multithreading support function, and can simultaneously program a plurality of USB devices, thereby fully utilizing the bandwidth and improving the programming efficiency. Further, with the support of the sparse image, the conventional ext4 image file contains a large amount of empty space, i.e. space occupying the image file but not providing valid data, and the sparse image compresses the space, thereby significantly reducing the size of the image file.
In one embodiment, for a part of the motherboard, the buildrop SDK provided by the original factory contains the source code of the rkupdate program, and the program can write the firmware file on the local TF card into the eMMC storage, which is a traditional firmware upgrade measure. Therefore, in using the present invention, network support is added. The support of the network can use NFS to mount the file system at the far end of the network to the local, so that the rkupdate can support network programming without any modification, but in the actual operation process, the NFS server is configured to be troublesome, the daughter board equipment also needs a kernel to open the corresponding client function, the number of the daughter board equipment is large, the performance of the NFS is obviously reduced, and resource competition can be generated, so that the blocking condition occurs.
Therefore, in step S200, in this embodiment, the daughter board device configures an upgrade environment according to the upgrade configuration parameters, specifically modifies the rkupdate program, specifically adds support of HTTP, so as to avoid NFS configuration, and also support resource usage of an external Web server, which is more flexible and convenient to debug. Meanwhile, the support of spark Image is also increased.
For the existing firmware upgrading mode, after upgrading is completed, the upgrading result cannot be intuitively known. Whether the daughter board equipment is successfully upgraded can only be checked one by one through the line-up software of the system, and the operation mode is obviously very complicated. In one embodiment, after step S400, the following steps are further included: after the firmware is upgraded successfully, the daughter board equipment feeds back upgrade success information to the main board or controls a preset LED lamp on the daughter board equipment to flicker.
The netrecovery-slave script can be manufactured, the script mainly defines an API of a daughter board equipment upgrading interface, and the mainboard can call and obtain an operation result conveniently. The main board can send corresponding commands, and the daughter board equipment feeds back corresponding results according to the commands. For the status acquisition command beginning with get _ if the status acquisition is successful, the daughter board equipment returns an execution result, otherwise, the daughter board equipment returns 'error', the long operation command beginning with long _ is used, the daughter board equipment returns a process number to be used for subsequent status inquiry, the long operation is a long-time-consuming operation, for example, firmware is burnt and written, the progress of the long operation is analyzed and stored in a specified file for subsequent status inquiry. For other short operation commands, the daughter board device returns only the "okay" or "error" success or failure flag.
The auxiliary firmware can also comprise pin numbers of preset LED lamps on the daughter board equipment, when the daughter board equipment successfully upgrades the firmware, the daughter board equipment sends corresponding control signals to the pins so as to control the LED lamps to flash, and the flashing modes comprise long-time lighting, slow flashing, quick flashing and the like, so that the upgrading result of the firmware can be visually reflected.
An embodiment of the present invention further provides a cluster server, as shown in fig. 1, which includes a main board 1 and a plurality of daughter board devices 2, where the main board 1 and the daughter board devices 2 are used to execute the firmware upgrade method of the cluster server, and reference may be specifically made to an embodiment of the firmware upgrade method portion of the cluster server.
The foregoing is a more detailed description of the present invention that is presented in conjunction with specific embodiments, and the practice of the invention is not to be considered limited to those descriptions. It will be apparent to those skilled in the art that a number of simple derivations or substitutions can be made without departing from the inventive concept.
Claims (6)
1. A firmware upgrading method for a cluster server is characterized by comprising the following steps:
the method comprises the following steps that auxiliary firmware is written into a daughter board device through a USB line by a mainboard, and the daughter board device is restarted according to the auxiliary firmware;
after the daughter board equipment is restarted, the mainboard sends upgrading configuration parameters to the daughter board equipment, and the daughter board equipment configures upgrading environment according to the upgrading configuration parameters;
the daughter board equipment sends a firmware upgrading request to the Web server through the Ethernet line;
and the daughter board equipment receives the firmware data fed back by the Web server and writes the firmware data into a memory.
2. The firmware upgrade method for cluster server according to claim 1, wherein: the auxiliary firmware comprises a kernel of the Ubuntu firmware, a root file system and an upgrading parameter, wherein the root file system is customized by using a Buildrop, and the upgrading parameter comprises a path for upgrading the firmware.
3. The firmware upgrade method for cluster server according to claim 2, wherein: the auxiliary firmware is packaged, and the packaging process is as follows: packaging all files in the tar/directory into a tar.gz packet, and adding the tar.gz packet into res/wipe _ all-misc.img to serve as a misc partition firmware file; decompressing res/boot.img files in Ubuntu firmware, prompting a kernel and resource files, and packaging res/recovery.cpio.gz together with a root file system generated by the Buildrop into recovery.img files; and packaging all the partition firmware files into the final auxiliary firmware.
4. The firmware upgrade method for cluster server according to claim 2, wherein: when the mainboard burns auxiliary firmware to the daughter board equipment through a USB line, transplanting an rkdepelvopotol program on the PC to the host and running; and modifying the rkdeveloptool program, and adding a firmware file programming function and a multithreading support function.
5. The firmware upgrading method of the cluster server according to claim 1, wherein after the step of receiving the firmware data fed back by the Web server and programming the firmware data into the memory, the daughter board device further comprises the following steps: after the firmware is upgraded successfully, the daughter board equipment feeds back upgrade success information to the main board or controls a preset LED lamp on the daughter board equipment to flicker.
6. A cluster server, comprising a main board and a daughter board device, wherein the main board and the daughter board device are configured to execute the firmware upgrade method of the cluster server according to any one of claims 1 to 5.
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Cited By (1)
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| CN113204351A (en) * | 2021-07-06 | 2021-08-03 | 成都菁蓉联创科技有限公司 | Embedded system package management method and using method thereof |
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