CN112463879B - Data volume synchronization method and equipment - Google Patents
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- 230000004048 modification Effects 0.000 claims description 5
- 238000012986 modification Methods 0.000 claims description 5
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/27—Replication, distribution or synchronisation of data between databases or within a distributed database system; Distributed database system architectures therefor
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/24—Querying
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1095—Replication or mirroring of data, e.g. scheduling or transport for data synchronisation between network nodes
Abstract
The invention provides a method and a device for synchronizing data volumes, wherein the method comprises the following steps: sending a data volume query request to the storage system and the cloud platform every threshold time; in response to receiving a data volume query request, the storage system and the cloud platform respectively query data volume information and respectively send the queried data volume information to the client; comparing the data volume information sent by the storage system with the data volume information sent by the cloud platform; and in response to the fact that the data volume information sent by the storage system is inconsistent with the data volume information sent by the cloud platform, acquiring and synchronizing the data volume based on a synchronization strategy set by the client. By using the scheme of the invention, the data volume information between the storage system and the cloud platform can be synchronized, the resource utilization rate of the storage system is improved, the occupation of the zombie data volume in the cloud platform on the data quota is reduced, and the synchronization requirements of various data volumes of a user can be met.
Description
Technical Field
The field relates to the field of computers, and more particularly to a method and apparatus for data volume synchronization.
Background
In the cloud computing era, the cloud platform can use mass storage resources of the storage system through the butt joint of the cloud platform and the storage system. The cloud platform uses the block storage resources of the storage system by creating the data volume, but due to misoperation of a user or an error in the data volume deletion process, the data volume information displayed by the cloud platform and the data volume information of the storage platform are often asynchronous, so that storage resource waste in the storage system and invalid data quota occupation in the cloud platform are caused, and the performance of the storage system and the cloud platform is influenced.
Disclosure of Invention
In view of this, an object of the embodiments of the present invention is to provide a method and a device for synchronizing data volumes, where by using the method of the present invention, data volume information between a storage system and a cloud platform can be synchronized, so as to improve resource utilization of the storage system, reduce occupation of a zombie data volume in the cloud platform on a data quota, improve performances of the storage system and the cloud platform, and meet various data volume synchronization requirements of a user.
In view of the above object, an aspect of the embodiments of the present invention provides a method for data volume synchronization, including the following steps:
sending a data volume query request to the storage system and the cloud platform every threshold time;
in response to receiving a data volume query request, the storage system and the cloud platform respectively query data volume information and respectively send the queried data volume information to the client;
comparing the data volume information sent by the storage system with the data volume information sent by the cloud platform;
and in response to the fact that the data volume information sent by the storage system is inconsistent with the data volume information sent by the cloud platform, acquiring and synchronizing the data volume based on a synchronization strategy set by the client.
According to one embodiment of the invention, the synchronization policy comprises:
the first strategy is that corresponding data volumes and data volume information in the storage system are modified into data volumes and data volume information in the cloud platform in response to the fact that the data volume information sent by the storage system is inconsistent with the data volume information sent by the cloud platform;
the second strategy is that corresponding data volumes and data volume information in the cloud platform are modified into data volumes and data volume information in the storage system in response to the fact that the data volume information sent by the storage system is inconsistent with the data volume information sent by the cloud platform;
and a third strategy, wherein the third strategy is to respond to the inconsistency between the data volume information sent by the storage system and the data volume information sent by the cloud platform, output the data volume with inconsistent information to the client and prompt the client.
According to one embodiment of the invention, sending a data volume query request to a storage system and a cloud platform every time a threshold time elapses comprises:
sending an access address of a data volume to be queried to a storage system and a cloud platform;
and sending the query user name and the query password to the storage system and the cloud platform.
According to an embodiment of the present invention, further comprising:
and responding to the completion of the synchronization of the data volumes, and modifying the mapping relation of the data volumes in the cloud platform into corresponding data volumes in the storage system synchronized with the cloud platform.
According to one embodiment of the invention, the cloud platform comprises an openstack platform.
In another aspect of the embodiments of the present invention, there is also provided an apparatus for data volume synchronization, the apparatus including:
the query module is configured to send a data volume query request to the storage system and the cloud platform every time a threshold time elapses;
the transmission module is configured to respond to the received data volume query request, the storage system and the cloud platform respectively query the data volume information and respectively send the queried data volume information to the client;
the comparison module is configured to compare the data volume information sent by the storage system with the data volume information sent by the cloud platform;
and the synchronization module is configured to respond to the inconsistency between the data volume information sent by the storage system and the data volume information sent by the cloud platform, and acquire and synchronize the data volume based on a synchronization strategy set by the client.
According to one embodiment of the invention, the synchronization policy comprises:
the first strategy is that in response to the fact that the data volume information sent by the storage system is inconsistent with the data volume information sent by the cloud platform, the corresponding data volume and data volume information in the storage system is modified into the data volume and data volume information in the cloud platform;
the second strategy is that in response to the fact that the data volume information sent by the storage system is inconsistent with the data volume information sent by the cloud platform, the corresponding data volume and data volume information in the cloud platform are modified into the data volume and data volume information in the storage system;
and a third strategy, wherein the third strategy is to respond to the inconsistency between the data volume information sent by the storage system and the data volume information sent by the cloud platform, output the data volume with inconsistent information to the client and prompt the client.
According to one embodiment of the invention, the query module is further configured to:
sending an access address of a data volume to be queried to a storage system and a cloud platform;
and sending the query user name and the query password to the storage system and the cloud platform.
According to an embodiment of the invention, further comprising a modification module configured to:
and responding to the completion of the synchronization of the data volumes, and modifying the mapping relation of the data volumes in the cloud platform into corresponding data volumes in the storage system synchronized with the cloud platform.
According to one embodiment of the invention, the cloud platform comprises an openstack platform.
The invention has the following beneficial technical effects: according to the data volume synchronization method provided by the embodiment of the invention, a data volume query request is sent to the storage system and the cloud platform every threshold time; in response to receiving a data volume query request, the storage system and the cloud platform respectively query data volume information and respectively send the queried data volume information to the client; comparing the data volume information sent by the storage system with the data volume information sent by the cloud platform; the technical scheme that the data volume synchronization is achieved based on the synchronization strategy set by the client in response to the fact that the data volume information sent by the storage system is inconsistent with the data volume information sent by the cloud platform is responded, the data volume information between the storage system and the cloud platform can be synchronized, the resource utilization rate of the storage system is improved, the occupation of zombie data volumes in the cloud platform on data quotas is reduced, the performance of the storage system and the cloud platform is improved, and the synchronization requirements of various data volumes of users can be met.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other embodiments can be obtained by using the drawings without creative efforts.
FIG. 1 is a schematic flow chart diagram of a method of data volume synchronization in accordance with one embodiment of the present invention;
FIG. 2 is a schematic diagram of an apparatus for data volume synchronization according to one embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the following embodiments of the present invention are described in further detail with reference to the accompanying drawings.
In view of the above objects, a first aspect of embodiments of the present invention proposes an embodiment of a method for data volume synchronization. Fig. 1 shows a schematic flow diagram of the method.
As shown in fig. 1, the method may comprise the steps of:
s1, sending a data volume query request to a storage system and a cloud platform every threshold time, or sending the data volume query request when synchronization is needed without setting the threshold time, wherein the request comprises an access address, an access user name and an access password of a data volume to be queried, and the storage system and the cloud platform need to store and summarize the access address and the data volume name of the data volume when a new data volume is generated;
s2, responding to a received data volume query request, respectively querying data volume information by the storage system and the cloud platform, respectively sending the queried data volume information to the client, respectively querying the data volumes stored by the storage system and the cloud platform based on the information contained in the query request after receiving the query request, and feeding back the queried data volume information, which can be fed back to the client or a unit sent by the query request;
s3, comparing the data volume information sent by the storage system with the data volume information sent by the cloud platform, and checking whether the data volume information displayed by the cloud platform and the data volume stored by the storage platform are synchronous or not according to the comparison of the data volume information;
and S4, responding to the inconsistency between the data volume information sent by the storage system and the data volume information sent by the cloud platform, acquiring and synchronizing the data volume based on a synchronization strategy set by the client, wherein the information generally comprises two aspects, on one hand, the inquired data volumes exist in the storage system and the cloud platform, but part of data is asynchronous, on the other hand, the inquired data volumes are not in the storage system or the cloud platform, the synchronization strategy is set in the client in advance, and the corresponding data volumes in the storage system and the cloud platform are synchronized according to different synchronization strategies.
By the technical scheme, the data volume information between the storage system and the cloud platform can be synchronized, the resource utilization rate of the storage system is improved, the occupation of a zombie data volume in the cloud platform on a data quota is reduced, the performance of the storage system and the cloud platform is improved, and the synchronization requirements of various data volumes of a user can be met.
In a preferred embodiment of the invention, the synchronization policy comprises:
the method comprises the steps that a first strategy is that corresponding data volumes and data volume information in a storage system are modified into data volumes and data volume information in a cloud platform in response to the fact that the data volume information sent by the storage system is inconsistent with the data volume information sent by the cloud platform, the strategy is that the cloud platform is preferred, namely the data volume information in the cloud platform is not changed, and the storage system modifies the data volumes to perform data synchronization;
the second strategy is that in response to the fact that the data volume information sent by the storage system is inconsistent with the data volume information sent by the cloud platform, corresponding data volumes and data volume information in the cloud platform are modified into data volumes and data volume information in the storage system, the strategy is that the storage system has priority, namely the data volume information in the storage system is not changed, and the cloud platform modifies the data volume information in the database to perform data synchronization;
and a third strategy, wherein the third strategy is to respond to the inconsistency between the data volume information sent by the storage system and the data volume information sent by the cloud platform, output the data volume with inconsistent information to the client and prompt the client. The three strategies can be selected according to needs, and only prompt is carried out on the strategy, namely, asynchronous data volumes between the cloud platform and the storage system are output, but data synchronization operation is not carried out.
Taking a cloud platform as an Openstack platform as an example, when a synchronization policy is a first policy, if no data volume _ a exists in a storage system, a data volume _ a exists in the Openstack platform, a data volume _ B with the same size and attribute as the volume _ a is created in the storage system, and the mapping relation of the data volume _ a in the Openstack platform database is modified to be the volume _ B; if the data volume _ a exists in the storage system, the data volume _ a does not exist in the Openstack platform, and the volume _ a is deleted in the storage system. When the synchronization policy is a second policy, if no data volume _ A exists in the storage system, the data volume _ A exists in the Openstack platform, and the volume _ A information is deleted from the Openstack platform database; if the data volume _ A exists in the storage system, adding data volume _ B information in a database in the Openstack platform, wherein the volume size and the attribute of the volume _ B are the same as those of the volume _ A, and the mapping relation of the data volume _ B in the Openstack platform is the volume _ A. And when the synchronization strategy is a third strategy, outputting the asynchronous data volume between the Openstack platform and the storage system without performing data synchronization operation.
In a preferred embodiment of the present invention, sending a data volume query request to the storage system and the cloud platform every elapse of the threshold time comprises:
sending an access address of a data volume to be queried to a storage system and a cloud platform;
and sending the query user name and the query password to the storage system and the cloud platform. And setting query authority, so that the authorized user can query the data volume and synchronize the data volume.
In a preferred embodiment of the present invention, further comprising:
and responding to the completion of the synchronization of the data volumes, and modifying the mapping relation of the data volumes in the cloud platform into corresponding data volumes in the storage system synchronized with the cloud platform. After the data volumes are synchronized, the mapping relationship between the data volumes may change, and in order to prevent the problem that the data volumes cannot be accessed after being synchronized, the mapping relationship between two identical data volumes after being synchronized needs to be reestablished.
In a preferred embodiment of the invention, the cloud platform comprises an openstack platform.
By the technical scheme, the data volume information between the storage system and the cloud platform can be synchronized, the resource utilization rate of the storage system is improved, the occupation of a zombie data volume in the cloud platform on a data quota is reduced, the performance of the storage system and the cloud platform is improved, and the synchronization requirements of various data volumes of a user can be met.
It should be noted that, as can be understood by those skilled in the art, all or part of the processes in the methods of the embodiments described above can be implemented by instructing relevant hardware by a computer program, and the program may be stored in a computer-readable storage medium, and when executed, the program may include the processes of the embodiments of the methods described above. The storage medium may be a magnetic disk, an optical disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), or the like. The embodiments of the computer program may achieve the same or similar effects as any of the above-described method embodiments.
Furthermore, the method disclosed according to an embodiment of the present invention may also be implemented as a computer program executed by a CPU, and the computer program may be stored in a computer-readable storage medium. The computer program, when executed by the CPU, performs the functions defined above in the methods disclosed in the embodiments of the present invention.
In view of the above object, according to a second aspect of the embodiments of the present invention, there is provided an apparatus for data volume synchronization, as shown in fig. 2, the apparatus 200 includes:
the query module is configured to send a data volume query request to the storage system and the cloud platform every threshold time;
the transmission module is configured to respond to the received data volume query request, the storage system and the cloud platform respectively query the data volume information and respectively send the queried data volume information to the client;
the comparison module is configured to compare the data volume information sent by the storage system with the data volume information sent by the cloud platform;
and the synchronization module is configured to respond to the inconsistency between the data volume information sent by the storage system and the data volume information sent by the cloud platform, and acquire and synchronize the data volumes based on a synchronization strategy set by the client.
In a preferred embodiment of the invention, the synchronization policy comprises:
the first strategy is that corresponding data volumes and data volume information in the storage system are modified into data volumes and data volume information in the cloud platform in response to the fact that the data volume information sent by the storage system is inconsistent with the data volume information sent by the cloud platform;
the second strategy is that in response to the fact that the data volume information sent by the storage system is inconsistent with the data volume information sent by the cloud platform, the corresponding data volume and data volume information in the cloud platform are modified into the data volume and data volume information in the storage system;
and a third strategy, wherein the third strategy is to respond to the inconsistency between the data volume information sent by the storage system and the data volume information sent by the cloud platform, output the data volume with inconsistent information to the client and prompt the client.
In a preferred embodiment of the present invention, the query module is further configured to:
sending an access address of a data volume to be queried to a storage system and a cloud platform;
and sending the inquiry user name and the inquiry password to the storage system and the cloud platform.
In a preferred embodiment of the present invention, the apparatus further comprises a modification module configured to:
and responding to the completion of the synchronization of the data volumes, and modifying the mapping relation of the data volumes in the cloud platform into corresponding data volumes in the storage system synchronized with the cloud platform.
In a preferred embodiment of the present invention, the cloud platform comprises an openstack platform.
The embodiments described above, particularly any "preferred" embodiments, are possible examples of implementations and are presented merely to clearly understand the principles of the invention. Many variations and modifications may be made to the above-described embodiments without departing from the spirit and principles of the technology described herein. All such modifications are intended to be included within the scope of this disclosure and protected by the following claims.
Claims (8)
1. A method of data volume synchronization, comprising the steps of:
sending a data volume query request to the storage system and the cloud platform every threshold time;
in response to receiving a data volume query request, the storage system and the cloud platform query data volume information respectively and send the queried data volume information to a client respectively;
comparing the data volume information sent by the storage system with the data volume information sent by the cloud platform;
the method comprises the steps of responding to inconsistency between data volume information sent by a storage system and data volume information sent by a cloud platform, obtaining and synchronizing data volumes based on a synchronization strategy set by a client, wherein the synchronization strategy comprises a first strategy, the first strategy is to respond to inconsistency between the data volume information sent by the storage system and the data volume information sent by the cloud platform, modify corresponding data volumes and data volume information in the storage system into the data volumes and data volume information in the cloud platform, the second strategy is to respond to inconsistency between the data volume information sent by the storage system and the data volume information sent by the cloud platform, modify corresponding data volumes and data volume information in the cloud platform into the data volumes and data volume information in the storage system, and the third strategy is to respond to inconsistency between the data volume information sent by the storage system and the data volume information sent by the cloud platform, output data volumes with inconsistent information to the client and prompt a user.
2. The method of claim 1, wherein sending a data volume query request to the storage system and the cloud platform each time a threshold time has elapsed comprises:
sending an access address of a data volume to be queried to the storage system and the cloud platform;
and sending a query user name and a query password to the storage system and the cloud platform.
3. The method of claim 1, further comprising:
and responding to the completion of data volume synchronization, and modifying the mapping relation of the data volume in the cloud platform into a corresponding data volume in a storage system synchronized with the cloud platform.
4. The method of claim 1, wherein the cloud platform comprises an openstack platform.
5. An apparatus for data volume synchronization, the apparatus comprising:
the query module is configured to send a data volume query request to the storage system and the cloud platform every time a threshold time elapses;
the storage system and the cloud platform respectively query data volume information and respectively send the queried data volume information to a client;
the comparison module is configured to compare the data volume information sent by the storage system with the data volume information sent by the cloud platform;
the synchronization module is configured to respond to inconsistency between data volume information sent by the storage system and data volume information sent by the cloud platform, acquire and synchronize data volumes based on a synchronization policy set by a client, wherein the synchronization policy comprises a first policy, the first policy is to respond to inconsistency between the data volume information sent by the storage system and the data volume information sent by the cloud platform, modify corresponding data volumes and data volume information in the storage system into the data volumes and data volume information in the cloud platform, the second policy is to respond to inconsistency between the data volume information sent by the storage system and the data volume information sent by the cloud platform, modify corresponding data volumes and data volume information in the cloud platform into the data volumes and data volume information in the storage system, and the third policy is to respond to inconsistency between the data volume information sent by the storage system and the data volume information sent by the cloud platform, output data volumes with inconsistent information to the client and prompt a user.
6. The device of claim 5, wherein the query module is further configured to:
sending an access address of a data volume to be queried to the storage system and the cloud platform;
and sending a query user name and a query password to the storage system and the cloud platform.
7. The device of claim 5, further comprising a modification module configured to:
and responding to the completion of data volume synchronization, and modifying the mapping relation of the data volume in the cloud platform into a corresponding data volume in a storage system synchronized with the cloud platform.
8. The device of claim 5, wherein the cloud platform comprises an openstack platform.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103873567A (en) * | 2014-03-03 | 2014-06-18 | 北京智谷睿拓技术服务有限公司 | Task-based data transmission method and device |
| CN105635276A (en) * | 2015-12-28 | 2016-06-01 | 国云科技股份有限公司 | Method for cloud platform distributed physical volume object migration to non-distributed storage |
| CN107205024A (en) * | 2017-05-19 | 2017-09-26 | 郑州云海信息技术有限公司 | Data duplicate removal method and system in a kind of cloud storage system |
| CN111708603A (en) * | 2020-05-24 | 2020-09-25 | 苏州浪潮智能科技有限公司 | Method and device for protecting Openstack cloud host data in real time |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103873567A (en) * | 2014-03-03 | 2014-06-18 | 北京智谷睿拓技术服务有限公司 | Task-based data transmission method and device |
| CN105635276A (en) * | 2015-12-28 | 2016-06-01 | 国云科技股份有限公司 | Method for cloud platform distributed physical volume object migration to non-distributed storage |
| CN107205024A (en) * | 2017-05-19 | 2017-09-26 | 郑州云海信息技术有限公司 | Data duplicate removal method and system in a kind of cloud storage system |
| CN111708603A (en) * | 2020-05-24 | 2020-09-25 | 苏州浪潮智能科技有限公司 | Method and device for protecting Openstack cloud host data in real time |
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