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CN111563009A - File synchronization method, system and storage medium based on dual-computer redundancy system - Google Patents

File synchronization method, system and storage medium based on dual-computer redundancy system Download PDF

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Publication number
CN111563009A
CN111563009A CN202010339079.6A CN202010339079A CN111563009A CN 111563009 A CN111563009 A CN 111563009A CN 202010339079 A CN202010339079 A CN 202010339079A CN 111563009 A CN111563009 A CN 111563009A
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file
data packet
preset information
information
standby
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Inventor
向卫东
孟庆晓
吴闽华
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Shenzhen Genew Technologies Co Ltd
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Shenzhen Genew Technologies Co Ltd
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    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00Error detection; Error correction; Monitoring
    • G06F11/07Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/16Error detection or correction of the data by redundancy in hardware
    • G06F11/1675Temporal synchronisation or re-synchronisation of redundant processing components
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00Error detection; Error correction; Monitoring
    • G06F11/07Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/16Error detection or correction of the data by redundancy in hardware
    • G06F11/20Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
    • G06F11/202Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where processing functionality is redundant
    • G06F11/2023Failover techniques
    • G06F11/2028Failover techniques eliminating a faulty processor or activating a spare
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/10File systems; File servers
    • G06F16/17Details of further file system functions
    • G06F16/178Techniques for file synchronisation in file systems

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Quality & Reliability (AREA)
  • Data Mining & Analysis (AREA)
  • Databases & Information Systems (AREA)
  • Hardware Redundancy (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)

Abstract

The invention discloses a file synchronization method, a file synchronization system and a storage medium based on a dual-computer redundancy system, wherein the method comprises the following steps: the standby equipment loads first preset information of the first transmission file to the request data packet and then sends the request data packet to the main equipment; the method comprises the steps that a main device receives a request data packet of a first transmission file sent by a standby device, and first preset information in the request data packet is extracted; the main equipment compares the first preset information with second preset information of a second transmission file in the main equipment, and judges whether the first preset information and the second preset information are the same; when the first preset information is different from the second preset information, the main device sends a first response data packet to the standby device, and the main device synchronously transmits the second transmission file to the standby device. The invention only synchronizes different transmission files in the main equipment and the standby equipment, thereby improving the overall efficiency of file synchronization and leading the standby equipment and the main equipment to run coordinately.

Description

File synchronization method, system and storage medium based on dual-computer redundancy system
Technical Field
The invention relates to the technical field of high-availability system design, in particular to a file synchronization method, a file synchronization system and a storage medium based on a dual-computer redundancy system.
Background
Telecommunication equipment requires extremely high service availability, and when research and development design, it needs to consider that the normal service can be quickly recovered when functional modules of the equipment, such as an operating system, a driver, hardware resources and the like, have faults, so that two relatively independent equipment systems are widely adopted in the industry to provide a set of service functions, wherein one equipment system is in an activated state to provide service, and is called as main equipment; the other equipment system is in an inactive state and does not provide service, and is called as standby equipment. When the main equipment fails, the program providing the service can be quickly switched to the standby equipment to run; the active device and the standby device are together referred to as a dual-machine redundancy system.
In order to coordinate the standby device with the main device, the files in the standby device system need to be consistent with the files in the main device system; the high-speed File transfer protocol is a TFTP (simple File transfer protocol), which is a protocol in a TCP/IP protocol family for simple File transfer between a client and a server, and provides a File transfer service with low complexity and low overhead, but before a File is transferred by the TFTP protocol, there is no step of checking whether the files are the same, and transmission is started regardless of whether the files are the same, and often, files in a standby device system are different from files in a main device system only in small parts, and transmission of the same files is not necessary, so that the overall efficiency of File synchronization is reduced to a great extent.
Accordingly, the prior art is yet to be improved and developed.
Disclosure of Invention
The invention mainly aims to provide a file synchronization method, a file synchronization system and a storage medium based on a dual-computer redundancy system, and aims to solve the problems that in the prior art, when a main device and a standby device perform file synchronization, the same file is unnecessarily transmitted, and the overall efficiency of the file synchronization is greatly reduced.
In order to achieve the above object, the present invention provides a file synchronization method based on dual-computer redundancy system, which comprises the following steps:
the standby equipment loads first preset information of the first transmission file to the request data packet and then sends the request data packet to the main equipment;
the method comprises the steps that a main device receives a request data packet of a first transmission file sent by a standby device, and first preset information in the request data packet is extracted;
the main equipment compares the first preset information with second preset information of a second transmission file in the main equipment, and judges whether the first preset information and the second preset information are the same;
when the first preset information is different from the second preset information, the main device sends a first response data packet to the standby device, and the main device synchronously transmits the second transmission file to the standby device.
Optionally, in the file synchronization method based on the dual-computer redundancy system, both the first preset information and the second preset information are MD5 information.
Optionally, the method for synchronizing files based on the dual-computer redundancy system, where the standby device loads first preset information of a first transmission file into the request data packet, and then sends the request data packet to the primary device, specifically includes:
before the standby device sends the request data packet of the first transmission file to the primary device, the standby device calculates MD5 information of the first transmission file;
after the standby device loads the MD5 information of the first transmission file into the request data packet of the first transmission file, the request data packet carrying the MD5 information of the first transmission file is sent to the active device.
Optionally, the method for synchronizing files based on the dual-computer redundancy system, where the active device receives a request packet of a first transmission file sent by the standby device, and extracts first preset information in the request packet, specifically:
and the primary equipment receives the request data packet of the first transmission file sent by the standby equipment, and extracts the MD5 information in the request data packet.
Optionally, the method for synchronizing a file based on a dual-machine redundancy system, where the primary device compares the first preset information with second preset information of a second transmission file in the primary device, and determines whether the first preset information and the second preset information are the same, specifically includes:
the master device compares the MD5 information extracted from the request data packet with the MD5 information of the second transmission file in the master device;
and judging whether the MD5 information extracted from the request data packet is the same as the MD5 information of the second transmission file in the main equipment.
Optionally, the method for synchronizing a file based on a dual-machine redundancy system, where the primary device compares the first preset information with second preset information of a second transmission file in the primary device, and determines whether the first preset information and the second preset information are the same, and then the method further includes:
when the MD5 information extracted from the request packet is the same as the MD5 information of the second transmission file in the primary device, the primary device sends a second response packet to the standby device;
the second response data packet carries information which does not start file transmission because the transmission files are the same;
and after receiving the second response data packet, the standby equipment stops sending the request data packet of the first transmission file.
Optionally, in the file synchronization method based on the dual-machine redundancy system, the standby device sends a request packet to the primary device through a TFTP protocol;
the first response data packet and the second response data packet are both TFTP response data packets.
Optionally, in the file synchronization method based on the dual-computer redundancy system, the first transmission file and the second transmission file both include a configuration file, a program file, and a resource package file.
In addition, to achieve the above object, the present invention further provides a file synchronization system based on a dual-computer redundancy system, wherein the file synchronization system based on the dual-computer redundancy system includes:
the system comprises main equipment and standby equipment, wherein the main equipment and the standby equipment communicate through a TFTP protocol;
the standby equipment loads first preset information of a first transmission file to a request data packet and then sends the request data packet to the main equipment;
the main equipment receives a request data packet of a first transmission file sent by the standby equipment and extracts first preset information in the request data packet;
the main equipment compares the first preset information with second preset information of a second transmission file in the main equipment, and judges whether the first preset information and the second preset information are the same;
when the first preset information and the second preset information are different, the main device sends a first response data packet to the standby device, and the main device synchronously transmits the second transmission file to the standby device.
In addition, in order to achieve the above object, the present invention further provides a storage medium, wherein the storage medium stores a file synchronization program based on a dual-computer redundancy system, and the file synchronization program based on the dual-computer redundancy system implements the steps of the file synchronization method based on the dual-computer redundancy system when being executed by a processor.
The method comprises the steps that after first preset information of a first transmission file is loaded to a request data packet through standby equipment, the request data packet is sent to main equipment; the method comprises the steps that a main device receives a request data packet of a first transmission file sent by a standby device, and first preset information in the request data packet is extracted; the main equipment compares the first preset information with second preset information of a second transmission file in the main equipment, and judges whether the first preset information and the second preset information are the same; when the first preset information is different from the second preset information, the main device sends a first response data packet to the standby device, and the main device synchronously transmits the second transmission file to the standby device. The invention realizes the consistency between the files in the standby equipment and the files in the main equipment by only synchronizing different transmission files in the main equipment and the standby equipment, and improves the overall efficiency of file synchronization, thereby leading the standby equipment and the main equipment to run coordinately.
Drawings
FIG. 1 is a flowchart illustrating a preferred embodiment of a file synchronization method based on a dual-computer redundancy system according to the present invention;
FIG. 2 is a schematic diagram of a preferred embodiment of a file synchronization system based on a dual-computer redundancy system according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1, the file synchronization method based on dual-computer redundancy system according to the preferred embodiment of the present invention includes the following steps:
step S10, after the standby device loads the first preset information of the first transmission file into the request packet, the request packet is sent to the active device.
Specifically, the active device and the standby device are collectively called a dual-machine redundancy system, that is, two relatively independent device systems are adopted to provide a set of service functions, wherein one device system is in an activated state to provide service, and is called as the active device; the other equipment system is in an inactive state and does not provide service, and is called as standby equipment. When the main equipment fails, the program providing the service can be quickly switched to the standby equipment to run.
Wherein the first preset information is MD5 information. The MD5 Message digest algorithm (MD5 Message-DigestAlgorithm) is a widely used cryptographic hash function that generates a 128-bit (16-byte) hash value (hash value) to ensure the integrity of the Message transmission.
Before the standby device sends the request data packet of the first transmission file (alternatively referred to as a first target file) to the primary device, the standby device calculates MD5 information of the first transmission file (if no transmission file exists, MD5 information is set to 0); after the standby device loads the MD5 information of the first transmission file into the request data packet of the first transmission file, the request data packet carrying the MD5 information of the first transmission file is sent to the active device.
Step S20, the active device receives the request packet of the first transmission file sent by the standby device, and extracts the first preset information in the request packet.
Specifically, the first preset information is MD5 information. And after receiving the request data packet of the first transmission file sent by the standby device, the primary device extracts the MD5 information in the request data packet.
Step S30, the primary device compares the first preset information with second preset information of a second transmission file in the primary device, and determines whether the first preset information and the second preset information are the same.
Specifically, the second preset information is MD5 information. The master device compares the MD5 information extracted from the request data packet with the MD5 information of the second transmission file in the master device; and judging whether the MD5 information extracted from the request data packet is the same as the MD5 information of the second transmission file in the master device, namely judging whether the MD5 information of the first transmission file is the same as the MD5 information of the second transmission file, wherein if the MD5 information is the same, the two transmission files are the same.
Step S40, when the first preset information and the second preset information are different, the active device sends the first response packet to the standby device, and the active device synchronously transmits the second transmission file to the standby device.
Specifically, when the MD5 information of the first transmission file and the MD5 information of the second transmission file are different, it indicates that the first transmission file and the second transmission file are not the same, and the active device sends a first response packet to the standby device, and the active device synchronously transmits the second transmission file to the standby device. Wherein the first response packet is a TFTP response packet.
Further, when the MD5 information extracted from the request packet is the same as the MD5 information of the second transmission file in the primary device, it indicates that the first transmission file and the second transmission file are identical (no file synchronization is required when the first transmission file and the second transmission file are identical); the main equipment sends a second response data packet to the standby equipment; the second response data packet carries information which does not start file transmission because the transmission files are the same; and after receiving the second response data packet, the standby equipment stops sending the request data packet of the first transmission file. Wherein the second response packet is a TFTP response packet.
Wherein the first transmission file and the second transmission file each comprise a configuration file (which is a computer file and can configure parameters and initial settings for some computer programs, i.e. files for configuring different objects differently), the program file (the program file is the next file hierarchy of the quality manual in the quality management system, which specifies the general process of a certain work, and the next file hierarchy is the operation instruction book, and the program file stores a program, which includes a source program and an executable program, where the program is different from the program in the computer technology, and the program is a method specified for completing a certain activity), and the resource package file (some files, such as configuration files, etc., can be packaged into an exe or dll for external invocation in a resource manner), and of course, other related files can also be included.
Further, as shown in fig. 2, based on the above file synchronization method based on dual-computer redundancy system, the present invention also provides a file synchronization system based on dual-computer redundancy system, wherein the file synchronization system based on dual-computer redundancy system includes:
the system comprises main equipment and standby equipment, wherein the main equipment and the standby equipment communicate through a TFTP protocol;
the standby equipment loads first preset information of a first transmission file to a request data packet and then sends the request data packet to the main equipment;
the main equipment receives a request data packet of a first transmission file sent by the standby equipment and extracts first preset information in the request data packet;
the main equipment compares the first preset information with second preset information of a second transmission file in the main equipment, and judges whether the first preset information and the second preset information are the same;
when the first preset information and the second preset information are different, the main device sends a first response data packet to the standby device, and the main device synchronously transmits the second transmission file to the standby device.
The first preset information and the second preset information are both MD5 information.
Further, before the standby device sends the request packet of the first transmission file to the primary device, the standby device calculates MD5 information of the first transmission file; after the standby device loads the MD5 information of the first transmission file into the request data packet of the first transmission file, the request data packet carrying the MD5 information of the first transmission file is sent to the active device.
Further, the primary device receives the request data packet of the first transmission file sent by the standby device, and extracts MD5 information in the request data packet.
Further, the master device compares the MD5 information extracted from the request packet with the MD5 information of the second transmission file in the master device; and judging whether the MD5 information extracted from the request data packet is the same as the MD5 information of the second transmission file in the main equipment.
Further, when the MD5 information extracted from the request packet is the same as the MD5 information of the second transmission file in the primary device, the primary device sends a second response packet to the standby device; the second response data packet carries information which does not start file transmission because the transmission files are the same; and after receiving the second response data packet, the standby equipment stops sending the request data packet of the first transmission file.
The standby equipment sends a request data packet to the main equipment through a TFTP protocol; the first response data packet and the second response data packet are both TFTP response data packets. The first transmission file and the second transmission file both comprise a configuration file, a program file and a resource package file.
The present invention further provides a storage medium, wherein the storage medium stores a file synchronization program based on the dual-computer redundancy system, and the file synchronization program based on the dual-computer redundancy system implements the steps of the file synchronization method based on the dual-computer redundancy system when being executed by a processor.
In summary, the present invention provides a file synchronization method, system and storage medium based on a dual-computer redundancy system, where the method includes: the standby equipment loads first preset information of the first transmission file to the request data packet and then sends the request data packet to the main equipment; the method comprises the steps that a main device receives a request data packet of a first transmission file sent by a standby device, and first preset information in the request data packet is extracted; the main equipment compares the first preset information with second preset information of a second transmission file in the main equipment, and judges whether the first preset information and the second preset information are the same; when the first preset information is different from the second preset information, the main device sends a first response data packet to the standby device, and the main device synchronously transmits the second transmission file to the standby device. The invention realizes the consistency between the files in the standby equipment and the files in the main equipment by only synchronizing different transmission files in the main equipment and the standby equipment, and improves the overall efficiency of file synchronization, thereby leading the standby equipment and the main equipment to run coordinately.
Of course, it will be understood by those skilled in the art that all or part of the processes of the methods of the above embodiments may be implemented by a computer program instructing relevant hardware (such as a processor, a controller, etc.), and the program may be stored in a computer readable storage medium, and when executed, the program may include the processes of the above method embodiments. The storage medium may be a memory, a magnetic disk, an optical disk, etc.
It is to be understood that the invention is not limited to the examples described above, but that modifications and variations may be effected thereto by those of ordinary skill in the art in light of the foregoing description, and that all such modifications and variations are intended to be within the scope of the invention as defined by the appended claims.

Claims (10)

1. A file synchronization method based on a dual-computer redundancy system is characterized in that the file synchronization method based on the dual-computer redundancy system comprises the following steps:
the standby equipment loads first preset information of the first transmission file to the request data packet and then sends the request data packet to the main equipment;
the method comprises the steps that a main device receives a request data packet of a first transmission file sent by a standby device, and first preset information in the request data packet is extracted;
the main equipment compares the first preset information with second preset information of a second transmission file in the main equipment, and judges whether the first preset information and the second preset information are the same;
when the first preset information is different from the second preset information, the main device sends a first response data packet to the standby device, and the main device synchronously transmits the second transmission file to the standby device.
2. The file synchronization method based on the dual-computer redundancy system according to claim 1, wherein the first predetermined information and the second predetermined information are MD5 information.
3. The method according to claim 2, wherein the sending the request packet to the active device after the standby device loads the first preset information of the first transmission file into the request packet specifically includes:
before the standby device sends the request data packet of the first transmission file to the primary device, the standby device calculates MD5 information of the first transmission file;
after the standby device loads the MD5 information of the first transmission file into the request data packet of the first transmission file, the request data packet carrying the MD5 information of the first transmission file is sent to the active device.
4. The method according to claim 3, wherein the active device receives a request packet of a first transmission file sent by the standby device, and extracts first preset information in the request packet, specifically:
and the primary equipment receives the request data packet of the first transmission file sent by the standby equipment, and extracts the MD5 information in the request data packet.
5. The method according to claim 4, wherein the comparing, by the master device, the first preset information with second preset information of a second file to be transferred in the master device, and determining whether the first preset information and the second preset information are the same includes:
the master device compares the MD5 information extracted from the request data packet with the MD5 information of the second transmission file in the master device;
and judging whether the MD5 information extracted from the request data packet is the same as the MD5 information of the second transmission file in the main equipment.
6. The method of claim 5, wherein the primary device compares the first preset information with second preset information of a second file in the primary device, and determines whether the first preset information and the second preset information are the same, and then further comprising:
when the MD5 information extracted from the request packet is the same as the MD5 information of the second transmission file in the primary device, the primary device sends a second response packet to the standby device;
the second response data packet carries information which does not start file transmission because the transmission files are the same;
and after receiving the second response data packet, the standby equipment stops sending the request data packet of the first transmission file.
7. The method according to claim 6, wherein the sending of the request packet to the active device by the standby device is performed through a TFTP protocol;
the first response data packet and the second response data packet are both TFTP response data packets.
8. The dual-redundancy-system-based file synchronization method of claim 1, wherein the first transmission file and the second transmission file each comprise a configuration file, a program file, and a resource package file.
9. A file synchronization system based on dual-computer redundancy system is characterized in that the file synchronization system based on dual-computer redundancy system comprises: the system comprises main equipment and standby equipment, wherein the main equipment and the standby equipment communicate through a TFTP protocol;
the standby equipment loads first preset information of a first transmission file to a request data packet and then sends the request data packet to the main equipment;
the main equipment receives a request data packet of a first transmission file sent by the standby equipment and extracts first preset information in the request data packet;
the main equipment compares the first preset information with second preset information of a second transmission file in the main equipment, and judges whether the first preset information and the second preset information are the same;
when the first preset information and the second preset information are different, the main device sends a first response data packet to the standby device, and the main device synchronously transmits the second transmission file to the standby device.
10. A storage medium, characterized in that the storage medium stores a file synchronization program based on dual-computer redundancy system, and the file synchronization program based on dual-computer redundancy system implements the steps of the file synchronization method based on dual-computer redundancy system according to any one of claims 1 to 8 when being executed by a processor.
CN202010339079.6A 2020-04-26 2020-04-26 File synchronization method, system and storage medium based on dual-computer redundancy system Pending CN111563009A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113050498A (en) * 2021-03-23 2021-06-29 北京和利时系统工程有限公司 Data synchronization method for zone controller in CBTC (communication based train control) system
WO2023241466A1 (en) * 2022-06-17 2023-12-21 中兴通讯股份有限公司 Disaster recovery system control method, disaster recovery system, electronic apparatus and readable storage medium

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
马俊杰 等: "MD5算法在双机热备份信息同步中的应用" *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113050498A (en) * 2021-03-23 2021-06-29 北京和利时系统工程有限公司 Data synchronization method for zone controller in CBTC (communication based train control) system
WO2023241466A1 (en) * 2022-06-17 2023-12-21 中兴通讯股份有限公司 Disaster recovery system control method, disaster recovery system, electronic apparatus and readable storage medium

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Application publication date: 20200821