CN111158954A - Cloud host snapshot method, system, equipment and computer readable storage medium - Google Patents
Cloud host snapshot method, system, equipment and computer readable storage medium Download PDFInfo
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- CN111158954A CN111158954A CN201911386573.1A CN201911386573A CN111158954A CN 111158954 A CN111158954 A CN 111158954A CN 201911386573 A CN201911386573 A CN 201911386573A CN 111158954 A CN111158954 A CN 111158954A
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- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/14—Error detection or correction of the data by redundancy in operation
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- G06F11/1415—Saving, restoring, recovering or retrying at system level
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Abstract
The application discloses a cloud host snapshot method, a system, equipment and a computer readable storage medium, wherein a memory of a target cloud host is snapshot to obtain memory snapshot information; saving memory snapshot information; prohibiting the target cloud host from executing the task; carrying out snapshot on a disk of a target cloud host to obtain disk snapshot information; establishing an incidence relation between the memory snapshot information and the disk snapshot information; and saving the disk snapshot information and the association relation. According to the cloud host snapshot method, the memory and the disk of the cloud host are respectively snapshot to obtain the memory snapshot information and the disk snapshot information, so that the memory and the disk of the cloud host can be restored to the snapshot time subsequently according to the memory snapshot information and the disk snapshot information, the restoration effect of the cloud host is improved, and the snapshot effect is good. The cloud host snapshot system, the cloud host snapshot device and the computer-readable storage medium solve the corresponding technical problems.
Description
Technical Field
The present application relates to the field of snapshot technologies, and in particular, to a cloud host snapshot method, system, device, and computer-readable storage medium.
Background
With the increasing and wider application of cloud computing based on the openstack technology, the requirements of users on data security and recoverability of an openstack cloud host are higher and higher, in the existing snapshot method, a disk of the cloud host is snapshot, however, when data restoration is performed on disk data of an application snapshot, the state of the cloud host at the moment of snapshot may not be restored, and the snapshot effect is poor.
In summary, how to improve the snapshot effect of the cloud host is a problem to be solved urgently by those skilled in the art.
Disclosure of Invention
The application aims to provide a cloud host snapshot method which can solve the technical problem of improving the snapshot efficiency of a cloud host to a certain extent. The application also provides a cloud host snapshot system, equipment and a computer readable storage medium.
In order to achieve the above purpose, the present application provides the following technical solutions:
a cloud host snapshot method comprises the following steps:
carrying out snapshot on the memory of the target cloud host to obtain memory snapshot information;
saving the memory snapshot information;
prohibiting the target cloud host from executing a task;
carrying out snapshot on the disk of the target cloud host to obtain disk snapshot information;
establishing an incidence relation between the memory snapshot information and the disk snapshot information;
and saving the disk snapshot information and the association relation.
Preferably, after the saving the disk snapshot information and the association relationship, the method further includes:
receiving a data recovery instruction;
analyzing the data recovery time in the data recovery instruction;
determining a target snapshot time based on the data recovery time;
determining target memory snapshot information and target disk snapshot information corresponding to the target snapshot time according to the incidence relation between the memory snapshot information and the disk snapshot information;
performing disk recovery on the target cloud host according to the target disk snapshot information;
and performing memory recovery on the target cloud host according to the target memory snapshot information.
Preferably, the prohibiting the target cloud host from performing the task includes:
and controlling the target cloud host to be powered off.
Preferably, the prohibiting the target cloud host from performing the task includes:
suspending tasks of the target cloud host.
Preferably, the storing the memory snapshot information includes:
storing the memory snapshot information in a preset snapshot information chain;
the saving the disk snapshot information includes:
and storing the disk snapshot information in the preset snapshot information chain.
Preferably, before the memory snapshot information is stored in the preset snapshot information chain, the method further includes:
and creating the preset snapshot information chain in a preset database.
Preferably, after the creating the preset snapshot information chain in the preset database, the method further includes:
recording the state information of the target cloud host in the preset database;
and updating the preset snapshot information chain and the state information of the target cloud host in the preset database.
A cloud host snapshot system, comprising:
the first snapshot module is used for carrying out snapshot on the memory of the target cloud host to obtain memory snapshot information;
the first storage module is used for storing the memory snapshot information;
the first setting module is used for forbidding the target cloud host to execute tasks;
the second snapshot module is used for carrying out snapshot on the disk of the target cloud host to obtain disk snapshot information;
the first establishing module is used for establishing an incidence relation between the memory snapshot information and the disk snapshot information;
and the second storage module is used for storing the disk snapshot information and the association relation.
A cloud host snapshot device, comprising:
a memory for storing a computer program;
and a processor, configured to implement the steps of the cloud host snapshot method as described above when executing the computer program.
A computer readable storage medium having stored thereon a computer program which, when executed by a processor, implements the steps of the cloud host snapshot method as described in any one of the above.
According to the cloud host snapshot method provided by the application, a memory of a target cloud host is snapshot to obtain memory snapshot information; saving memory snapshot information; prohibiting the target cloud host from executing the task; carrying out snapshot on a disk of a target cloud host to obtain disk snapshot information; establishing an incidence relation between the memory snapshot information and the disk snapshot information; and saving the disk snapshot information and the association relation. According to the cloud host snapshot method, the memory and the disk of the cloud host are respectively snapshot to obtain the memory snapshot information and the disk snapshot information, so that the memory and the disk of the cloud host can be restored to the snapshot time subsequently according to the memory snapshot information and the disk snapshot information, the restoration effect of the cloud host is improved, and the snapshot effect is good. The cloud host snapshot system, the cloud host snapshot device and the computer-readable storage medium solve the corresponding technical problems.
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In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a flowchart of a cloud host snapshot method according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of a cloud host snapshot system according to an embodiment of the present application;
fig. 3 is a schematic structural diagram of a cloud host snapshot apparatus according to an embodiment of the present application;
fig. 4 is another schematic structural diagram of a cloud host snapshot device according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Referring to fig. 1, fig. 1 is a flowchart of a cloud host snapshot method according to an embodiment of the present disclosure.
The cloud host snapshot method provided by the embodiment of the application can comprise the following steps:
step S101: and carrying out snapshot on the memory of the target cloud host to obtain memory snapshot information.
In practical application, the memory of the target cloud host can be snapshot firstly to obtain memory snapshot information, so that the memory of the target cloud host can be recovered subsequently.
Step S102: and storing the memory snapshot information.
In practical application, after the memory of the target cloud host is subjected to snapshot to obtain the memory snapshot information, the memory snapshot information can be stored, so that the memory snapshot information is prevented from being lost.
Step S103: and forbidding the target cloud host to execute the task.
In practical application, after the memory snapshot information is saved, the target cloud host may be prohibited from executing the task in order to ensure that the saved memory snapshot information matches with the disk snapshot information obtained later. After the target cloud host is forbidden from executing the task, the target cloud host cannot execute the task, and data cannot be written into the disk, so that the matching of the memory snapshot information and the disk snapshot information is ensured.
Step S104: and carrying out snapshot on the disk of the target cloud host to obtain disk snapshot information.
In practical application, after the target cloud host is prohibited from executing the task, the disk of the target cloud host can be snapshot to obtain disk snapshot information, so that the disk of the target cloud host can be recovered according to the disk snapshot information in the following process.
Step S105: and establishing an incidence relation between the memory snapshot information and the disk snapshot information.
Step S106: and saving the disk snapshot information and the association relation.
In practical application, after the disk of the target cloud host is snapshot to obtain the disk snapshot information, since the memory snapshot information is matched with the disk snapshot information, in order to conveniently find the matched memory snapshot information and disk snapshot information, the association relationship between the memory snapshot information and the disk snapshot information can be established, and the disk snapshot information and the association relationship can be stored.
In a specific application scenario, the association relationship between the memory snapshot information and the disk snapshot information may be directly established, or the association relationship between the memory snapshot information and the disk snapshot information may be established by means of other information, for example, the association relationship between the memory snapshot information and the disk snapshot information is established at a snapshot time.
According to the cloud host snapshot method provided by the application, a memory of a target cloud host is snapshot to obtain memory snapshot information; saving memory snapshot information; prohibiting the target cloud host from executing the task; carrying out snapshot on a disk of a target cloud host to obtain disk snapshot information; establishing an incidence relation between the memory snapshot information and the disk snapshot information; and saving the disk snapshot information and the association relation. According to the cloud host snapshot method, the memory and the disk of the cloud host are respectively snapshot to obtain the memory snapshot information and the disk snapshot information, so that the memory and the disk of the cloud host can be restored to the snapshot time subsequently according to the memory snapshot information and the disk snapshot information, the restoration effect of the cloud host is improved, and the snapshot effect is good.
According to the cloud host snapshot method provided by the embodiment of the application, after the disk snapshot information and the association relation are stored, when the snapshot recovery is required, a data recovery instruction can be received; analyzing the data recovery time in the data recovery instruction; determining a target snapshot time based on the data recovery time; determining target memory snapshot information and target disk snapshot information corresponding to the target snapshot time according to the incidence relation between the memory snapshot information and the disk snapshot information; performing disk recovery on the target cloud host according to the target disk snapshot information; and performing memory recovery on the target cloud host according to the target memory snapshot information.
The cloud host snapshot method provided by the embodiment of the application prohibits the target cloud host from executing the task, and specifically can be used for controlling the target cloud host to be shut down. Of course, the task of the target cloud host may be suspended.
In the cloud host snapshot method provided by the embodiment of the application, in the process of storing the memory snapshot information, in order to facilitate management of the stored snapshot information, the memory snapshot information can be stored in a preset snapshot information chain; accordingly, the disk snapshot information may be saved in the preset snapshot information chain.
In practical application, before the memory snapshot information is saved in the preset snapshot information chain, the preset snapshot information chain may be created in the preset database.
In a specific application scenario, after a preset snapshot information chain is created in a preset database, state information of a target cloud host can be recorded in the preset database; and updating the preset snapshot information chain and the state information of the target cloud host in a preset database. It should be noted that the state information of the target cloud host recorded in the preset database may include memory state information and disk state information, which is the same as the state information of the cloud host restored at the snapshot time, so that the target cloud host can specify its own state according to the recorded state information only by accessing the database.
Referring to fig. 2, fig. 2 is a schematic structural diagram of a cloud host snapshot system according to an embodiment of the present disclosure.
The cloud host snapshot system provided by the embodiment of the application may include:
the first snapshot module 101 is configured to snapshot a memory of a target cloud host to obtain memory snapshot information;
the first saving module 102 is configured to save the memory snapshot information;
the first setting module 103 is used for prohibiting the target cloud host from executing the task;
the second snapshot module 104 is configured to snapshot a disk of the target cloud host to obtain disk snapshot information;
a first establishing module 105, configured to establish an association relationship between the memory snapshot information and the disk snapshot information;
and a second saving module 106, configured to save the disk snapshot information and the association relationship.
The cloud host snapshot system provided in the embodiment of the present application may further include:
the first receiving module, after the second saving module saves the disk snapshot information and the association relationship, further includes: receiving a data recovery instruction;
the first analysis module is used for analyzing the data recovery time in the data recovery instruction;
the first determining module is used for determining the target snapshot time based on the data recovery time;
the second determining module is used for determining target memory snapshot information and target disk snapshot information corresponding to the target snapshot time according to the incidence relation between the memory snapshot information and the disk snapshot information;
the first recovery module is used for performing disk recovery on the target cloud host according to the target disk snapshot information;
and the second recovery module is used for performing memory recovery on the target cloud host according to the target memory snapshot information.
In the cloud host snapshot system provided in the embodiment of the present application, the first setting module may include:
the first control unit is used for controlling the target cloud host to be powered off.
In the cloud host snapshot system provided in the embodiment of the present application, the first setting module may include:
the first setting unit is used for suspending tasks of the target cloud host.
In the cloud host snapshot system provided in the embodiment of the present application, the first saving module may include:
the first storage unit is used for storing the memory snapshot information in a preset snapshot information chain;
the second saving module may include:
and the second storage unit is used for storing the disk snapshot information in the preset snapshot information chain.
The cloud host snapshot system provided in the embodiment of the present application may further include:
the first creating module is used for creating the preset snapshot information chain in the preset database before the first storage unit stores the memory snapshot information in the preset snapshot information chain.
The cloud host snapshot system provided in the embodiment of the present application may further include:
the first recording module is used for recording the state information of the target cloud host in the preset database after the first creating module creates the preset snapshot information chain in the preset database;
and the first updating module is used for updating the preset snapshot information chain and the state information of the target cloud host in the preset database.
The application also provides cloud host snapshot equipment and a computer-readable storage medium, which both have the corresponding effects of the cloud host snapshot method provided by the embodiment of the application. Referring to fig. 3, fig. 3 is a schematic structural diagram of a cloud host snapshot device according to an embodiment of the present disclosure.
The cloud host snapshot device provided by the embodiment of the application comprises a memory 201 and a processor 202, wherein a computer program is stored in the memory 201, and the processor 202 implements the following steps when executing the computer program:
carrying out snapshot on the memory of the target cloud host to obtain memory snapshot information;
saving memory snapshot information;
prohibiting the target cloud host from executing the task;
carrying out snapshot on a disk of a target cloud host to obtain disk snapshot information;
establishing an incidence relation between the memory snapshot information and the disk snapshot information;
and saving the disk snapshot information and the association relation.
The cloud host snapshot device provided by the embodiment of the application comprises a memory 201 and a processor 202, wherein a computer program is stored in the memory 201, and the processor 202 implements the following steps when executing the computer program: after the disk snapshot information and the association relation are saved, a data recovery instruction is received; analyzing the data recovery time in the data recovery instruction; determining a target snapshot time based on the data recovery time; determining target memory snapshot information and target disk snapshot information corresponding to the target snapshot time according to the incidence relation between the memory snapshot information and the disk snapshot information; performing disk recovery on the target cloud host according to the target disk snapshot information; and performing memory recovery on the target cloud host according to the target memory snapshot information.
The cloud host snapshot device provided by the embodiment of the application comprises a memory 201 and a processor 202, wherein a computer program is stored in the memory 201, and the processor 202 implements the following steps when executing the computer program: and controlling the target cloud host to be powered off.
The cloud host snapshot device provided by the embodiment of the application comprises a memory 201 and a processor 202, wherein a computer program is stored in the memory 201, and the processor 202 implements the following steps when executing the computer program: suspending tasks of the target cloud host.
The cloud host snapshot device provided by the embodiment of the application comprises a memory 201 and a processor 202, wherein a computer program is stored in the memory 201, and the processor 202 implements the following steps when executing the computer program: saving memory snapshot information in a preset snapshot information chain; and saving the disk snapshot information in a preset snapshot information chain.
The cloud host snapshot device provided by the embodiment of the application comprises a memory 201 and a processor 202, wherein a computer program is stored in the memory 201, and the processor 202 implements the following steps when executing the computer program: and creating a preset snapshot information chain in a preset database before the memory snapshot information is saved in the preset snapshot information chain.
The cloud host snapshot device provided by the embodiment of the application comprises a memory 201 and a processor 202, wherein a computer program is stored in the memory 201, and the processor 202 implements the following steps when executing the computer program: after a preset snapshot information chain is created in a preset database, recording the state information of the target cloud host in the preset database; and updating the preset snapshot information chain and the state information of the target cloud host in a preset database.
Referring to fig. 4, another cloud host snapshot device provided in the embodiment of the present application may further include: an input port 203 connected to the processor 202, for transmitting externally input commands to the processor 202; a display unit 204 connected to the processor 202, for displaying the processing result of the processor 202 to the outside; and the communication module 205 is connected with the processor 202 and is used for realizing communication between the cloud host snapshot device and the outside world. The display unit 204 may be a display panel, a laser scanning display, or the like; the communication method adopted by the communication module 205 includes, but is not limited to, mobile high definition link technology (HML), Universal Serial Bus (USB), High Definition Multimedia Interface (HDMI), and wireless connection: wireless fidelity technology (WiFi), bluetooth communication technology, bluetooth low energy communication technology, ieee802.11s based communication technology.
A computer-readable storage medium is provided in an embodiment of the present application, in which a computer program is stored, and when the computer program is executed by a processor, the computer program implements the following steps:
carrying out snapshot on the memory of the target cloud host to obtain memory snapshot information;
saving memory snapshot information;
prohibiting the target cloud host from executing the task;
carrying out snapshot on a disk of a target cloud host to obtain disk snapshot information;
establishing an incidence relation between the memory snapshot information and the disk snapshot information;
and saving the disk snapshot information and the association relation.
A computer-readable storage medium is provided in an embodiment of the present application, in which a computer program is stored, and when the computer program is executed by a processor, the computer program implements the following steps: after the disk snapshot information and the association relation are saved, a data recovery instruction is received; analyzing the data recovery time in the data recovery instruction; determining a target snapshot time based on the data recovery time; determining target memory snapshot information and target disk snapshot information corresponding to the target snapshot time according to the incidence relation between the memory snapshot information and the disk snapshot information; performing disk recovery on the target cloud host according to the target disk snapshot information; and performing memory recovery on the target cloud host according to the target memory snapshot information.
A computer-readable storage medium is provided in an embodiment of the present application, in which a computer program is stored, and when the computer program is executed by a processor, the computer program implements the following steps: and controlling the target cloud host to be powered off.
A computer-readable storage medium is provided in an embodiment of the present application, in which a computer program is stored, and when the computer program is executed by a processor, the computer program implements the following steps: suspending tasks of the target cloud host.
A computer-readable storage medium is provided in an embodiment of the present application, in which a computer program is stored, and when the computer program is executed by a processor, the computer program implements the following steps: saving memory snapshot information in a preset snapshot information chain; and saving the disk snapshot information in a preset snapshot information chain.
A computer-readable storage medium is provided in an embodiment of the present application, in which a computer program is stored, and when the computer program is executed by a processor, the computer program implements the following steps: and creating a preset snapshot information chain in a preset database before the memory snapshot information is saved in the preset snapshot information chain.
A computer-readable storage medium is provided in an embodiment of the present application, in which a computer program is stored, and when the computer program is executed by a processor, the computer program implements the following steps: after a preset snapshot information chain is created in a preset database, recording the state information of the target cloud host in the preset database; and updating the preset snapshot information chain and the state information of the target cloud host in a preset database.
The computer-readable storage media to which this application relates include Random Access Memory (RAM), memory, Read Only Memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage media known in the art.
For a description of a relevant part in a cloud host snapshot system, a device, and a computer-readable storage medium provided in the embodiments of the present application, reference is made to detailed descriptions of a corresponding part in a cloud host snapshot method provided in the embodiments of the present application, and details are not repeated here. In addition, parts of the above technical solutions provided in the embodiments of the present application, which are consistent with the implementation principles of corresponding technical solutions in the prior art, are not described in detail so as to avoid redundant description.
It is further noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A cloud host snapshot method is characterized by comprising the following steps:
carrying out snapshot on the memory of the target cloud host to obtain memory snapshot information;
saving the memory snapshot information;
prohibiting the target cloud host from executing a task;
carrying out snapshot on the disk of the target cloud host to obtain disk snapshot information;
establishing an incidence relation between the memory snapshot information and the disk snapshot information;
and saving the disk snapshot information and the association relation.
2. The method of claim 1, wherein after saving the disk snapshot information and the association relationship, further comprising:
receiving a data recovery instruction;
analyzing the data recovery time in the data recovery instruction;
determining a target snapshot time based on the data recovery time;
determining target memory snapshot information and target disk snapshot information corresponding to the target snapshot time according to the incidence relation between the memory snapshot information and the disk snapshot information;
performing disk recovery on the target cloud host according to the target disk snapshot information;
and performing memory recovery on the target cloud host according to the target memory snapshot information.
3. The method of claim 1, wherein the prohibiting the target cloud host from performing the task comprises:
and controlling the target cloud host to be powered off.
4. The method of claim 1, wherein the prohibiting the target cloud host from performing the task comprises:
suspending tasks of the target cloud host.
5. The method according to any one of claims 1 to 4, wherein the saving the memory snapshot information comprises:
storing the memory snapshot information in a preset snapshot information chain;
the saving the disk snapshot information includes:
and storing the disk snapshot information in the preset snapshot information chain.
6. The method according to claim 5, wherein before saving the memory snapshot information in the preset snapshot information chain, further comprising:
and creating the preset snapshot information chain in a preset database.
7. The method according to claim 6, wherein after creating the preset snapshot information chain in a preset database, the method further comprises:
recording the state information of the target cloud host in the preset database;
and updating the preset snapshot information chain and the state information of the target cloud host in the preset database.
8. A cloud host snapshot system, comprising:
the first snapshot module is used for carrying out snapshot on the memory of the target cloud host to obtain memory snapshot information;
the first storage module is used for storing the memory snapshot information;
the first setting module is used for forbidding the target cloud host to execute tasks;
the second snapshot module is used for carrying out snapshot on the disk of the target cloud host to obtain disk snapshot information;
the first establishing module is used for establishing an incidence relation between the memory snapshot information and the disk snapshot information;
and the second storage module is used for storing the disk snapshot information and the association relation.
9. A cloud host snapshot device, comprising:
a memory for storing a computer program;
a processor for implementing the steps of the cloud host snapshot method of any one of claims 1 to 7 when executing the computer program.
10. A computer-readable storage medium, wherein a computer program is stored in the computer-readable storage medium, and when executed by a processor, the computer program implements the steps of the cloud host snapshot method according to any one of claims 1 to 7.
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| CN112162882A (en) * | 2020-09-04 | 2021-01-01 | 北京浪潮数据技术有限公司 | Data hot snapshot method, device, equipment and computer readable storage medium |
| CN112162882B (en) * | 2020-09-04 | 2023-12-22 | 北京浪潮数据技术有限公司 | Data thermal snapshot method, device, equipment and computer readable storage medium |
| CN112667358A (en) * | 2020-12-31 | 2021-04-16 | 中电长城网际安全技术研究院(北京)有限公司 | Management method of virtual machine snapshot, electronic device and computer readable medium |
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