CN114296874A - Cross-machine-room mirror image synchronization method and device, computer equipment and storage medium - Google Patents

Abstract

The embodiment of the invention discloses a cross-machine-room mirror image synchronization method, a cross-machine-room mirror image synchronization device, computer equipment and a storage medium. The method comprises the following steps: determining a first number of machines in all the machine rooms, and determining a first target machine room to manufacture target mirror images in all the machine rooms according to the first number; inquiring the second number of machines in each machine room to be synchronized, and determining a second target machine room in the machine rooms to be synchronized according to the second number; inquiring the third number of machines in each synchronous source machine room with the target mirror images, and determining a third target machine room in the synchronous source machine room according to the third number; and taking the third target machine room as a synchronization source to synchronize the target mirror image of the second target machine room, and repeating the machine room determining process and the synchronization process until all the machine rooms are synchronized. Therefore, the influence on the service is reduced, the problem that the synchronization cannot be continued due to the synchronization fault of a certain machine room is solved, and the quick and efficient synchronous mirror image of each machine room is realized.

Description

A cross-machine room mirror synchronization method, device, computer equipment and storage medium

technical field

Embodiments of the present invention relate to the technical field of virtual machines, and in particular, to a method, apparatus, computer equipment, and storage medium for synchronizing images across computer rooms.

Background technique

Because business requirements require a large number of images to start virtual machines to provide services, for the high availability of the entire system, it is necessary to ensure that each computer room has a full amount of images.

The current implementation method is to first define a host room and make a mirror, and then synchronize from the host room to other slave rooms. The host room cannot be replaced at will, and the synchronization link is fixed, and can only be synchronized from the host room to other slave rooms. Synchronous mirroring has the problem of occupying a large amount of bandwidth, which has a great impact on the provision of business services during the peak period of use. At the same time, when the synchronization of the main room fails, the synchronization process cannot be continued.

SUMMARY OF THE INVENTION

Embodiments of the present invention provide a cross-machine room mirror synchronization method, device, computer equipment, and storage medium, so as to avoid the problem of a fixed synchronization link, thereby reducing the impact on business services, and avoiding the failure of synchronization in a certain machine room. Continue to sync issues.

In a first aspect, an embodiment of the present invention provides a method for synchronizing mirror images across computer rooms, and the method includes:

Step A, determine the first number of machines in all computer rooms, and determine the first target computer room in all computer rooms according to the first number to make a target mirror image;

Step B, query the second quantity of machines in each to-be-synchronized computer room, and determine a second target computer room in the to-be-synchronized computer room according to the second quantity;

Step C: Query the third number of machines in each synchronization source computer room that already owns the target image, and determine the third target computer room in the synchronization source computer room according to the third number, wherein the synchronization source computer room includes: the first target computer room;

Step D, using the third target computer room as a synchronization source to synchronize the target mirroring of the second target computer room, and returning to step B until the synchronization of all computer rooms is completed.

Optionally, determining the first target computer room in all computer rooms to make a target image according to the first quantity, including:

Determining the computer room with the smallest first quantity among all the computer rooms as the first target computer room;

The determining of the second target computer room in the to-be-synchronized computer room according to the second quantity includes:

Determining the computer room with the smallest second quantity among the computer rooms to be synchronized as the second target computer room;

The determining of the third target computer room in the synchronization source computer room according to the third quantity includes:

The computer room with the smallest third number in the synchronization source computer room is determined as the third target computer room.

Optionally, the querying the third quantity of machines in each synchronization source computer room that already owns the target image, and determining the third target computer room in the synchronization source computer room according to the third quantity, including:

determining in the synchronization source computer room the same target synchronization source computer room as the cloud vendor of the second target computer room;

The fourth quantity of machines in each target synchronization source computer room is queried, and the third target computer room is determined in the target synchronization source computer room according to the fourth quantity.

Optionally, the querying for a third number of machines in each synchronization source computer room that already owns the target image, and determining a third target computer room in the synchronization source computer room according to the third number, further includes:

If the target synchronization source computer room does not exist in the synchronization source computer room, a third target computer room is determined in the synchronization source computer room according to the third quantity.

Optionally, using the third target computer room as a synchronization source to perform synchronization of the target mirroring on the second target computer room, comprising:

Send a synchronization source request to the synchronization service of the second target computer room through the third target computer room.

Optionally, after the synchronization source request is sent to the synchronization service of the second target computer room through the third target computer room, the method further includes:

adding the second target computer room to the synchronization task queue information table;

The synchronization task queue information table is queried according to a preset period to determine the synchronization situation of the second target computer room until the synchronization is completed.

Optionally, after the first target computer room is determined in all computer rooms according to the first quantity to make a target mirror image, the method further includes:

adding the first target computer room to the synchronization source list;

After the third target computer room is used as a synchronization source to synchronize the target mirror image on the second target computer room, the method further includes:

The second target computer room is added to the synchronization source list to determine the synchronization source computer room according to the synchronization source list.

In a second aspect, an embodiment of the present invention further provides a cross-machine room mirror synchronization device, the device comprising:

a first target computer room determination module, configured to determine a first number of machines in all computer rooms, and determine the first target computer room in all computer rooms to make a target image according to the first number;

A second target computer room determination module, configured to query the second quantity of machines in each of the computer rooms to be synchronized, and determine a second target computer room in the to-be-synchronized computer room according to the second quantity;

The third target computer room determination module is configured to query the third number of machines in each synchronization source computer room that already owns the target image, and determine the third target computer room in the synchronization source computer room according to the third number, wherein, The synchronization source computer room includes the first target computer room;

The target mirror synchronization module is configured to use the third target computer room as a synchronization source to synchronize the target mirror to the second target computer room, and return to the second target computer room determination module to continue execution until all computer rooms are completed. Synchronize.

In a third aspect, an embodiment of the present invention further provides a computer device, the computer device comprising:

one or more processors;

memory for storing one or more programs;

When the one or more programs are executed by the one or more processors, the one or more processors implement the cross-machine room mirror synchronization method provided by any embodiment of the present invention.

In a fourth aspect, an embodiment of the present invention further provides a computer-readable storage medium on which a computer program is stored, and when the program is executed by a processor, implements the cross-machine room mirror synchronization method provided by any embodiment of the present invention.

An embodiment of the present invention provides a method for synchronizing mirror images across computer rooms. First, a first number of machines in all computer rooms is determined, and a first target computer room is determined in all computer rooms to make target mirror images according to the first number, and then each to-be-synchronized machine is queried separately. The second number of machines in the computer room and the third number of machines in each synchronization source computer room, and determine the second target computer room in the to-be-synchronized computer room according to the second number, and determine the third number in the synchronization source computer room according to the third number target computer room, so that the third target computer room is used as the synchronization source to synchronize the target mirror of the second target computer room, and then the above-mentioned determination process and synchronization process of the second target computer room and the third target computer room are repeated until the synchronization of all computer rooms is completed. The cross-machine room mirror synchronization method provided by the embodiment of the present invention cancels the limitation of the main machine room. By determining the number of servers available in each machine room in real time, and selecting an appropriate synchronization source and synchronization object for synchronization, the fixed link is avoided. This reduces the impact on business services, and also avoids the problem of inability to continue synchronization due to a synchronization failure in a computer room, and realizes fast and efficient synchronization mirroring for each computer room.

Description of drawings

1 is a flowchart of a method for synchronizing mirror images across computer rooms provided in Embodiment 1 of the present invention;

2 is a schematic structural diagram of a cross-machine room mirror synchronization device provided in Embodiment 2 of the present invention;

FIG. 3 is a schematic structural diagram of a computer device according to Embodiment 3 of the present invention.

Detailed ways

The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for the convenience of description, the drawings only show some but not all structures related to the present invention.

Before discussing the exemplary embodiments in greater detail, it should be mentioned that some exemplary embodiments are described as processes or methods depicted as flowcharts. Although the flowchart depicts the steps as a sequential process, many of the steps may be performed in parallel, concurrently, or concurrently. Furthermore, the order of the steps can be rearranged. The process may be terminated when its operation is complete, but may also have additional steps not included in the figures. The processes may correspond to methods, functions, procedures, subroutines, subroutines, and the like.

Furthermore, the terms "first," "second," etc. may be used herein to describe various directions, acts, steps or elements, etc., but are not limited by these terms. These terms are only used to distinguish a first direction, act, step or element from another direction, act, step or element. For example, without departing from the scope of this application, the first target computer room may be referred to as the second target computer room, and similarly, the second target computer room may be referred to as the first target computer room. Both the first target computer room and the second target computer room are target computer rooms, but they are not the same target computer room. The terms "first", "second", etc. should not be understood as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature defined as "first" or "second" may expressly or implicitly include one or more of that feature. In the description of the present invention, "plurality" means at least two, such as two, three, etc., unless otherwise expressly and specifically defined.

Example 1

FIG. 1 is a flowchart of a method for synchronizing mirror images across computer rooms according to Embodiment 1 of the present invention. This embodiment is applicable to the case of performing mirror synchronization on multiple computer rooms. The method may be performed by the device for mirror synchronization across computer rooms provided by the embodiment of the present invention. The device may be implemented by hardware and/or software. Generally, It can be integrated in computer equipment, and the computer equipment can be a service center in particular. As shown in Figure 1, it specifically includes the following steps:

S11. Determine a first number of machines in all computer rooms, and determine a first target computer room in all computer rooms to create a target image according to the first number.

Specifically, a machine is a server. At the beginning of the method, the first number of machines providing services in each computer room can be determined respectively, and then the first target computer room is determined according to the first number, and the first target computer room is provided to the management The operator makes the target mirror (that is, the required mirror), so that the first target computer room can be used as the first synchronization source. Each computer room may need to provide a large number of services to users. The provision of services requires network requirements and needs to occupy the public network bandwidth of the computer room. At the same time, due to the cross-cloud situation in the computer room, the cross-cloud computer room synchronization can only be done through the public network. If the probability causes the service provided by the computer room to be unavailable, the computer room with a smaller first number may be specifically determined as the first target computer room to further reduce the impact on the business service. Optionally, the determining the first target computer room in all the computer rooms according to the first number to make the target mirror image includes: determining the computer room with the smallest first number among all the computer rooms as the first target computer room, so as to minimize the number of computer rooms. The impact on the business service may be reduced, specifically, the first target computer room may be obtained by sorting the first quantity (eg, from less to more).

S12. Query the second quantity of machines in each computer room to be synchronized, and determine a second target computer room in the computer room to be synchronized according to the second quantity.

Specifically, after the first target computer room is determined and the target image is created or after a synchronization process is completed, the second number of machines providing services in each to-be-synchronized computer room can be inquired, and then the second target can be determined according to the second number. A computer room can be selected from the computer room to be synchronized as the synchronization object, and the computer room to be synchronized is the computer room that has not yet been synchronized among all the computer rooms. As described above, specifically, the computer room with the second smaller number may be determined as the second target computer room, so as to further reduce the impact on the business service. Optionally, the determining the second target computer room in the to-be-synchronized computer room according to the second quantity includes: determining the computer room with the smallest second quantity in the to-be-synchronized computer room as the second target computer room , so as to reduce the impact on the business service as much as possible, specifically, the second target computer room can be obtained by sorting the second quantity (eg, from less to more).

S13. Query the third number of machines in each synchronization source computer room that already owns the target image, and determine a third target computer room in the synchronization source computer room according to the third number, wherein the synchronization source computer room includes all the synchronization source computer rooms. Describe the first target computer room.

Specifically, after the second target computer room is determined, the third number of machines providing services in each synchronization source computer room can be inquired, and then the third target computer room can be determined according to the third number, so that one can be selected from the synchronization source computer room. The computer room is used as the synchronization source, and the synchronization source computer room is the computer room that already has the target image in all the computer rooms. Specifically, it can include the first target computer room where the target image was created at the beginning, and the second target computer room that has been synchronized. , the third target computer room is the first target computer room. As described above, specifically, the third computer room with a smaller number may be determined as the third target computer room, so as to further reduce the impact on the business service. Optionally, the determining the third target computer room in the synchronization source computer room according to the third quantity includes: determining the computer room with the smallest third quantity in the synchronization source computer room as the third target computer room , in order to reduce the impact on business services as much as possible, specifically, the third target computer room can be obtained by sorting the third quantity (such as from less to more).

Optionally, the querying the third number of machines in each synchronization source computer room that already owns the target mirror, and determining the third target computer room in the synchronization source computer room according to the third number, including: in the In the synchronization source computer room, determine the same target synchronization source computer room as the cloud vendor of the second target computer room; query the fourth number of machines in each of the target synchronization source computer rooms, and according to the fourth number in the target synchronization source The third target computer room is determined in the computer room. Specifically, when synchronizing the second target computer room, the same computer room as the cloud vendor of the second target computer room in the synchronization source computer room may be preferentially selected to further reduce the impact on business services. Then you can first determine the target synchronization source computer room that is the same as the cloud vendor of the second target computer room in all the synchronization source computer rooms, and then query the fourth number of machines that provide services in each target synchronization source computer room, so as to determine and obtain according to the fourth number. The third target computer room, as mentioned above, the computer room with the fourth smaller number in the target synchronization source computer room may be determined as the third target computer room, and further, the computer room with the fourth smallest number may be determined as the third target computer room, so as to maximize the Reduce impact on business services. Specifically, you can firstly group each synchronization source computer room according to the cloud manufacturer, and sort each group according to the number of machines, and then determine the same group as the cloud manufacturer in the second target computer room as the target group, so that you can The sorting result in the target group determines the third target computer room. At the same time, when the synchronization source computer room is updated each time, the newly added synchronization source computer room can be added to the corresponding group, and inserted into the sorting result according to the number of machines. To save each sorting process.

Further optionally, the querying the third number of machines in each synchronization source computer room that already owns the target image, and determining the third target computer room in the synchronization source computer room according to the third number, further comprising: if If the target synchronization source computer room does not exist in the synchronization source computer room, the third target computer room is determined in the synchronization source computer room according to the third quantity. Specifically, if there is no target synchronization source computer room that is the same as the cloud vendor of the second target computer room in all synchronization source computer rooms, the third target computer room can be determined directly according to the third number of machines in each synchronization source computer room. The specific process is as above. described, and will not be repeated here.

S14. Use the third target computer room as a synchronization source to synchronize the target mirror image to the second target computer room, and return to step S12 until the synchronization of all computer rooms is completed.

Specifically, after the second target computer room and the third target computer room are determined, the third target computer room can be used as a synchronization source to perform target mirror synchronization on the second target computer room. After the synchronization is completed, the second target computer room can be updated from the to-be-synchronized computer room to the synchronization source computer room, and then returns to step S12 to re-determine the second target computer room and the third target computer room to synchronize until all computer rooms are synchronized.

Optionally, using the third target computer room as a synchronization source to synchronize the target image to the second target computer room includes: synchronizing services to the second target computer room through the third target computer room Send a sync source request. Further optionally, after the synchronization source request is sent to the synchronization service of the second target computer room through the third target computer room, the method further includes: adding the second target computer room to the synchronization task queue information table; The synchronization task queue information table is queried in a preset period to determine the synchronization situation of the second target computer room, until the synchronization is completed. Specifically, after the second target computer room and the third target computer room are determined, the third target computer room can be used as the synchronization source to send a synchronization source request to the synchronization service of the second target computer room to request synchronization. The second target computer room can be added to the synchronization task queue information table, and then the synchronization status of the second target computer room can be checked by continuously querying the synchronization task queue information table according to the preset period, such as the synchronization progress and whether the synchronization is successful, etc. Until the synchronization is completed, the second target computer room can be updated to the synchronization source computer room, and can be removed from the synchronization task queue information table.

On the basis of the above technical solution, optionally, after the first target computer room is determined in all computer rooms to make a target image according to the first quantity, the method further includes: adding the first target computer room to the synchronization source list ; After the third target computer room is used as the synchronization source to synchronize the target mirroring of the second target computer room, it also includes: adding the second target computer room to the synchronization source list, so that according to the The synchronization source list determines the synchronization source computer room. Specifically, after obtaining the first target computer room that can be used as the synchronization source and the second target computer room that has been synchronized, the corresponding computer room can be added to the synchronization source list, so that the new synchronization source can be determined from the synchronization source list later. The third destination room of the source.

The technical solution provided by the embodiment of the present invention firstly determines the first number of machines in all the computer rooms, and determines the first target computer room in all the computer rooms to make a target image according to the first number, and then queries the machines in each to-be-synchronized computer room respectively. The second number and the third number of machines in each synchronization source computer room, the second target computer room is determined in the to-be-synchronized computer room according to the second number, and the third target computer room is determined in the synchronization source computer room according to the third number, so that The third target computer room is used as the synchronization source to synchronize the target mirror image of the second target computer room, and the above-mentioned determination process and synchronization process of the second target computer room and the third target computer room are repeated until the synchronization of all computer rooms is completed. The technical solution provided by the embodiment of the present invention cancels the limitation on the main engine room, and avoids the problem of fixed links by determining the number of servers available in each computer room in real time, and selecting an appropriate synchronization source and synchronization object for synchronization. In this way, the impact on business services is reduced, and the problem that synchronization cannot be continued due to a synchronization failure of a certain computer room is also avoided, and fast and efficient synchronization mirroring for each computer room is realized.

Embodiment 2

FIG. 2 is a schematic structural diagram of a cross-machine room mirror synchronization device provided in Embodiment 2 of the present invention. The device may be implemented by hardware and/or software, and may generally be integrated into computer equipment for executing any of the embodiments of the present invention. Provides a method for mirror synchronization across computer rooms. As shown in Figure 2, the device includes:

The first target computer room determination module 21 is used to determine the first quantity of machines in all the computer rooms, and to determine the first target computer room in all the computer rooms to make a target image according to the first quantity;

The second target computer room determination module 22 is configured to query the second number of machines in each of the computer rooms to be synchronized, and to determine the second target computer room in the to-be-synchronized computer room according to the second number;

The third target computer room determination module 23 is configured to query the third number of machines in each synchronization source computer room that already owns the target image, and determine the third target computer room in the synchronization source computer room according to the third number, wherein , the synchronization source computer room includes the first target computer room;

The target mirror synchronization module 24 is configured to use the third target computer room as a synchronization source to synchronize the target mirror to the second target computer room, and return to the second target computer room determination module to continue execution until all computer rooms are completed. synchronization.

The technical solution provided by the embodiment of the present invention firstly determines the first number of machines in all the computer rooms, and determines the first target computer room in all the computer rooms to make a target image according to the first number, and then queries the machines in each to-be-synchronized computer room respectively. The second number and the third number of machines in each synchronization source computer room, the second target computer room is determined in the to-be-synchronized computer room according to the second number, and the third target computer room is determined in the synchronization source computer room according to the third number, so that The third target computer room is used as the synchronization source to synchronize the target mirror image of the second target computer room, and the above-mentioned determination process and synchronization process of the second target computer room and the third target computer room are repeated until the synchronization of all computer rooms is completed. The technical solution provided by the embodiment of the present invention cancels the limitation on the main engine room, and avoids the problem of fixed links by determining the number of servers available in each computer room in real time, and selecting an appropriate synchronization source and synchronization object for synchronization. In this way, the impact on business services is reduced, and the problem that synchronization cannot be continued due to a synchronization failure of a certain computer room is also avoided, and fast and efficient synchronization mirroring for each computer room is realized.

On the basis of the above technical solution, optionally, the first target computer room determination module 21 is specifically used for:

Determining the computer room with the smallest first quantity among all the computer rooms as the first target computer room;

The second target computer room determination module 22 is specifically used for:

Determining the computer room with the smallest second quantity among the computer rooms to be synchronized as the second target computer room;

The third target computer room determination module 23 is specifically used for:

The computer room with the smallest third number in the synchronization source computer room is determined as the third target computer room.

On the basis of the above technical solution, optionally, the third target computer room determination module 23 includes:

a target synchronization source computer room determining unit, configured to determine in the synchronization source computer room the same target synchronization source computer room as the cloud vendor of the second target computer room;

The first determining unit is configured to query the fourth quantity of machines in each of the target synchronization source computer rooms, and determine the third target computer room in the target synchronization source computer room according to the fourth quantity.

On the basis of the above technical solution, optionally, the third target computer room determination module 23 further includes:

A second determining unit, configured to determine a third target computer room in the synchronization source computer room according to the third quantity if the target synchronization source computer room does not exist in the synchronization source computer room.

On the basis of the above technical solution, optionally, the target mirror synchronization module 24 includes:

A synchronization source request sending unit, configured to send a synchronization source request to the synchronization service of the second target computer room through the third target computer room.

On the basis of the above technical solution, optionally, the target mirror synchronization module 24 further includes:

an information table adding unit, configured to add the second target computer room to the synchronization task queue information table after the synchronization source request is sent to the synchronization service of the second target computer room through the third target computer room;

The information table query unit is configured to query the synchronization task queue information table according to a preset period to determine the synchronization situation of the second target computer room until the synchronization is completed.

On the basis of the above technical solution, optionally, the cross-machine room mirror synchronization device further includes:

a first synchronization source list adding module, configured to add the first target computer room to the synchronization source list after the first target computer room is determined in all computer rooms according to the first number to create a target mirror image;

The second synchronization source list adding module is configured to add the second target computer room to the A synchronization source list, so as to determine the synchronization source computer room according to the synchronization source list.

The cross-machine room mirror synchronization apparatus provided by the embodiment of the present invention can execute the cross-machine room mirror synchronization method provided by any embodiment of the present invention, and has corresponding functional modules and beneficial effects of the execution method.

It is worth noting that, in the above embodiment of the cross-machine room mirror synchronization device, the included units and modules are only divided according to functional logic, but are not limited to the above division, as long as the corresponding functions can be realized; In addition, the specific names of the functional units are only for the convenience of distinguishing from each other, and are not used to limit the protection scope of the present invention.

Embodiment 3

FIG. 3 is a schematic structural diagram of a computer device according to Embodiment 3 of the present invention, and shows a block diagram of an exemplary computer device suitable for implementing the embodiments of the present invention. The computer device shown in FIG. 3 is only an example, and should not impose any limitation on the function and scope of use of the embodiments of the present invention. As shown in FIG. 3 , the computer device includes a processor 31, a memory 32, an input device 33 and an output device 34; the number of processors 31 in the computer device may be one or more, and one processor 31 is taken as an example in FIG. 3 , the processor 31 , the memory 32 , the input device 33 and the output device 34 in the computer equipment may be connected through a bus or other means, and the connection through a bus is taken as an example in FIG. 3 .

As a computer-readable storage medium, the memory 32 can be used to store software programs, computer-executable programs, and modules, such as program instructions/modules corresponding to the cross-machine room mirror synchronization method in the embodiment of the present invention (for example, a cross-machine room mirror synchronization device). The first target computer room determination module 21, the second target computer room determination module 22, the third target computer room determination module 23, and the target mirror synchronization module 24). The processor 31 executes various functional applications and data processing of the computer equipment by running the software programs, instructions and modules stored in the memory 32, that is, to implement the above-mentioned cross-machine room mirror synchronization method.

The memory 32 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created according to the use of the computer equipment, and the like. Additionally, memory 32 may include high-speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device. In some instances, memory 32 may further include memory located remotely from processor 31, which may be connected to the computer device through a network. Examples of such networks include, but are not limited to, the Internet, an intranet, a local area network, a mobile communication network, and combinations thereof.

The input device 33 can be used to obtain the number of available servers in each computer room in real time, and to generate key signal inputs related to user settings and function control of computer equipment, and the like. The output device 34 may be used to send synchronization tasks and the like to the various computer rooms.

Embodiment 4

Embodiment 4 of the present invention further provides a storage medium containing computer-executable instructions, where the computer-executable instructions are used to execute a cross-machine room mirror synchronization method when executed by a computer processor, and the method includes:

Step A, determine the first number of machines in all computer rooms, and determine the first target computer room in all computer rooms according to the first number to make a target mirror image;

Step B, query the second quantity of machines in each to-be-synchronized computer room, and determine a second target computer room in the to-be-synchronized computer room according to the second quantity;

Step C: Query the third number of machines in each synchronization source computer room that already owns the target image, and determine the third target computer room in the synchronization source computer room according to the third number, wherein the synchronization source computer room includes: the first target computer room;

Step D, using the third target computer room as a synchronization source to synchronize the target mirroring of the second target computer room, and returning to step B until the synchronization of all computer rooms is completed.

The storage medium may be any of various types of memory devices or storage devices. The term "storage medium" is intended to include: installation media, such as CD-ROMs, floppy disks, or tape devices; computer system memory or random access memory, such as DRAM, DDR RAM, SRAM, EDO RAM, Rambus RAM, etc. ; non-volatile memory, such as flash memory, magnetic media (eg hard disk or optical storage); registers or other similar types of memory elements, etc. The storage medium may also include other types of memory or combinations thereof. In addition, the storage medium may be located in the computer system in which the program is executed, or may be located in a different second computer system connected to the computer system through a network such as the Internet. The second computer system may provide program instructions to the computer for execution. The term "storage medium" may include two or more storage media that may reside in different locations (eg, in different computer systems connected by a network). The storage medium may store program instructions (eg, embodied as a computer program) executable by one or more processors.

Of course, a storage medium containing computer-executable instructions provided by an embodiment of the present invention, the computer-executable instructions of which are not limited to the above-mentioned method operations, and can also execute the cross-machine room mirror synchronization method provided by any embodiment of the present invention related operations in .

A computer-readable signal medium may include a propagated data signal in baseband or as part of a carrier wave, with computer-readable program code embodied thereon. Such propagated data signals may take a variety of forms, including but not limited to electromagnetic signals, optical signals, or any suitable combination of the foregoing. A computer-readable signal medium can also be any computer-readable medium other than a computer-readable storage medium that can transmit, propagate, or transport the program for use by or in connection with the instruction execution system, apparatus, or device .

Program code embodied on a computer readable medium may be transmitted using any suitable medium, including but not limited to wireless, wireline, optical fiber cable, RF, etc., or any suitable combination of the foregoing.

From the above description of the embodiments, those skilled in the art can clearly understand that the present invention can be realized by software and necessary general-purpose hardware, and of course can also be realized by hardware, but in many cases the former is a better embodiment . Based on such understanding, the technical solutions of the present invention can be embodied in the form of software products in essence or the parts that make contributions to the prior art, and the computer software products can be stored in a computer-readable storage medium, such as a floppy disk of a computer , read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), flash memory (FLASH), hard disk or CD, etc., including several instructions to make a computer device (which can be a personal computer, A server, or a network device, etc.) executes the methods described in the various embodiments of the present invention.

Note that the above are only preferred embodiments of the present invention and applied technical principles. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein, and various obvious changes, readjustments and substitutions can be made by those skilled in the art without departing from the protection scope of the present invention. Therefore, although the present invention has been described in detail through the above embodiments, the present invention is not limited to the above embodiments, and can also include more other equivalent embodiments without departing from the concept of the present invention. The scope is determined by the scope of the appended claims.

Claims (10)

1. A cross-machine room mirror image synchronization method is characterized by comprising the following steps:

step A, determining a first number of machines in all machine rooms, and determining a first target machine room to manufacture target mirror images in all machine rooms according to the first number;

b, inquiring a second number of machines in each machine room to be synchronized, and determining a second target machine room in the machine rooms to be synchronized according to the second number;

step C, inquiring a third number of machines in each synchronous source machine room which already has the target mirror image, and determining a third target machine room in the synchronous source machine room according to the third number, wherein the synchronous source machine room comprises the first target machine room;

and D, taking the third target machine room as a synchronization source to synchronize the target mirror image of the second target machine room, and returning to execute the step B until all the machine rooms are synchronized.

2. The method according to claim 1, wherein the determining a first target machine room production target image in all machine rooms according to the first number comprises:

determining the machine room with the minimum first number in all the machine rooms as the first target machine room;

determining a second target machine room in the machine rooms to be synchronized according to the second number comprises:

determining the machine room with the minimum second number in the machine rooms to be synchronized as the second target machine room;

determining a third target machine room in the synchronization source machine room according to the third number includes:

and determining the machine room with the minimum third number in the synchronous source machine room as the third target machine room.

3. The cross-room mirror synchronization method according to claim 1, wherein the querying a third number of machines in each synchronization source room that already owns the target mirror, and determining a third target room in the synchronization source room according to the third number comprises:

determining a target synchronization source machine room which is the same as the cloud manufacturer of the second target machine room in the synchronization source machine room;

and inquiring the fourth quantity of the machines in each target synchronous source machine room, and determining the third target machine room in the target synchronous source machine room according to the fourth quantity.

4. The cross-room mirror synchronization method according to claim 3, wherein the querying a third number of machines in each synchronization source room that already owns the target mirror, and determining a third target room in the synchronization source room according to the third number, further comprises:

and if the target synchronous source machine room does not exist in the synchronous source machine room, determining a third target machine room in the synchronous source machine room according to the third quantity.

5. The cross-room mirror synchronization method according to claim 1, wherein the synchronizing the target mirror with the third target room as a synchronization source to the second target room comprises:

and sending a synchronization source request to the synchronization service of the second target machine room through the third target machine room.

6. The cross-room mirror synchronization method of claim 5, further comprising, after the sending a synchronization source request to the synchronization service of the second target room through the third target room:

adding the second target machine room into a synchronous task queue information table;

and inquiring the synchronous task queue information table according to a preset period to determine the synchronization condition of the second target machine room until synchronization is completed.

7. The cross-room mirror synchronization method according to claim 1, after determining the first target room in all rooms according to the first number to make the target mirror, further comprising:

adding the first target machine room into a synchronous source list;

after the synchronization of the target mirror is performed on the second target machine room by taking the third target machine room as a synchronization source, the method further includes:

and adding the second target machine room into the synchronous source list so as to determine the synchronous source machine room according to the synchronous source list.

8. A cross-machine-room mirror synchronization device, comprising:

the first target machine room determining module is used for determining a first number of machines in all machine rooms and determining a first target machine room to manufacture target mirror images in all machine rooms according to the first number;

the second target machine room determining module is used for inquiring the second number of the machines in each machine room to be synchronized and determining a second target machine room in the machine rooms to be synchronized according to the second number;

a third target machine room determining module, configured to query a third number of machines in each synchronization source machine room that already has the target mirror, and determine a third target machine room in the synchronization source machine room according to the third number, where the synchronization source machine room includes the first target machine room;

and the target mirror image synchronization module is used for performing target mirror image synchronization on the second target machine room by taking the third target machine room as a synchronization source and returning the third target machine room to the second target machine room determination module to continue executing the target mirror image synchronization until all machine rooms are synchronized.

9. A computer device, comprising:

one or more processors;

a memory for storing one or more programs;

when executed by the one or more processors, cause the one or more processors to implement the cross-room mirror synchronization method of any of claims 1-7.

10. A computer-readable storage medium, on which a computer program is stored, which, when executed by a processor, implements a cross-room mirror synchronization method according to any one of claims 1 to 7.

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