CN109960682B - Snapshot point data access method, device, server and storage medium - Google Patents
Snapshot point data access method, device, server and storage medium Download PDFInfo
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Abstract
The invention discloses a snapshot point data access method, a snapshot point data access device, a server and a storage medium. The invention shares the snapshot point in a file sharing mode, can enable the user terminal to access the original file of the snapshot point without restoring the data of the snapshot point to the user terminal, is convenient for the user terminal to operate, has a file sharing component in an operating system, does not need to be installed and developed, and has smaller development workload.
Description
Technical Field
The present invention relates to the field of data security technologies, and in particular, to a snapshot point data access method, apparatus, server, and storage medium.
Background
In the prior art, in order to ensure data security, a certain storage medium or file is usually backed up at regular time or actively backed up by a user, and the backup data obtained by backup may be called a snapshot point (i.e., a consistent data copy of source data at a certain time point is generated on the premise of not interrupting normal services).
In the existing backup products, the technical solutions for providing the data in the snapshot point to the user are as follows:
in the first scheme, in a tool interface included in the backup application program, a user is restored to a source path or a brand-new path by taking a file or a directory as a unit. Such as Veritas NetBackup, CommVault, Barracuda mullet, Uavetop marine, love, english, countryside, marshall, etc. This is very convenient for use on the original machine because the backup application is already installed, and is less convenient if files are to be restored to other computers. When there are multiple snapshot points, the user needs to compare the multiple snapshot points when knowing which snapshot point needs to be restored, and in order to implement the comparison, the data of all the snapshot points need to be restored to the local, and then the user performs the comparison, so that the operation is inconvenient.
And in the scheme II, the access is performed in a file or directory mode in the WEB browser, compared with the scheme I, the mode that a backup application program is not needed to be installed is more convenient, but when a plurality of snapshot points exist, the data of all the snapshot points still need to be restored to the local, and then the comparison is performed by a user, so that the operation is inconvenient.
And thirdly, the data blocks are provided in a data block mode by using an Internet Small Computer System Interface (iSCSI) or other private protocol, then the data blocks are virtualized into disks on a local Computer, the configuration is complex compared with that of a Feikang CDP (continuous data disk), the software of iSCSI-initator or the private protocol of three parties also needs to be installed and/or configured, and the virtual disks are mounted on a local disk identifier or mounting (Mount) point by taking a partition (Volume) as a unit. When there are multiple snapshot points, the user needs to know which snapshot point needs to be restored, mount is repeated, and there may be a situation that the drive letter is insufficient, and in this process, the amount of data to be transmitted is large, because the metadata area of the file system needs to be transmitted to the computer, so that the operation is inconvenient.
The above is only for the purpose of assisting understanding of the technical aspects of the present invention, and does not represent an admission that the above is prior art.
Disclosure of Invention
The invention mainly aims to provide a snapshot point data access method, a snapshot point data access device, a server and a storage medium, and aims to solve the technical problem that in the prior art, a user is inconvenient to operate when knowing a snapshot point needing to be restored.
In order to achieve the above object, the present invention provides a snapshot point data access method, including the following steps:
when a file access instruction sent by a second file sharing component of a user terminal is received through a local first file sharing component, determining a snapshot point to be accessed according to the file access instruction;
acquiring a target storage strategy of the snapshot point to be accessed;
performing data recombination on the snapshot point to be accessed according to the target storage strategy to obtain original data of the snapshot point to be accessed;
and sharing the obtained original data to a second file sharing component of the user terminal through the first file sharing component, so that the user terminal accesses the obtained original data through the second file sharing component.
Preferably, the sharing the obtained original data to a second file sharing component of the user terminal through the first file sharing component so that the user terminal accesses the obtained original data through the second file sharing component specifically includes:
carrying out file-level mounting on the obtained original data to obtain mounting points;
and sending the mounting point to a second file sharing component of the user terminal through the first file sharing component, so that the user terminal accesses the obtained original data through the second file sharing component.
Preferably, the obtaining of the target storage policy of the snapshot point to be accessed specifically includes:
and searching a target storage strategy of the snapshot point to be accessed in a preset storage strategy table, wherein the preset storage strategy table stores the corresponding relation between the snapshot point and the storage strategy.
Preferably, before the determining, by the file access instruction, the snapshot point to be accessed when the file access instruction sent by the second file sharing component of the user terminal is received by the local first file sharing component, the method further includes:
when the original data of the snapshot point to be stored of the user terminal is obtained, a storage strategy for the original data of the snapshot point to be stored is generated, the original data of the snapshot point to be stored is stored according to the generated storage strategy, and the corresponding relation between the snapshot point to be stored and the generated storage strategy is stored in a storage strategy table.
Preferably, before the determining, by the file access instruction, the snapshot point to be accessed when the file access instruction sent by the second file sharing component of the user terminal is received by the local first file sharing component, the method further includes:
when user login information sent by a user terminal is received, verifying the user login information, and when the user login information passes the verification, executing the step of determining the snapshot point to be accessed according to the file access instruction when the file access instruction sent by a second file sharing component of the user terminal is received by a local first file sharing component.
Preferably, the first file sharing component is a file sharing server component in an operating system of the server, and the second file sharing component is a file sharing client component in an operating system of the user terminal.
In addition, to achieve the above object, the present invention also provides a server, including: the system comprises a memory, a processor and a snapshot point data access program which is stored on the memory and can run on the processor, wherein the snapshot point data access program is configured to realize the steps of the snapshot point data access method.
Further, to achieve the above object, the present invention also provides a computer-readable storage medium having stored thereon a snapshot point data access program which, when executed by a processor, implements the steps of the snapshot point data access method as described above.
In addition, to achieve the above object, the present invention further provides a snapshot point data access apparatus, including:
the snapshot determining module is used for determining a snapshot point to be accessed according to a file access instruction when the file access instruction sent by a second file sharing component of the user terminal is received through a local first file sharing component;
the strategy acquisition module is used for acquiring a target storage strategy of the snapshot point to be accessed;
the data recombination module is used for carrying out data recombination on the snapshot point to be accessed according to the target storage strategy to obtain the original data of the snapshot point to be accessed;
and the data sharing module is used for sharing the obtained original data to a second file sharing component of the user terminal through the first file sharing component so that the user terminal accesses the obtained original data through the second file sharing component.
The invention shares the snapshot point in a file sharing mode, can enable the user terminal to access the original file of the snapshot point without restoring the data of the snapshot point to the user terminal, is convenient for the user terminal to operate, has a file sharing component in an operating system, does not need to be installed and developed, and has smaller development workload.
Drawings
FIG. 1 is a schematic diagram of a server architecture of a hardware operating environment according to an embodiment of the present invention;
FIG. 2 is a flowchart illustrating a snapshot point data access method according to a first embodiment of the present invention;
fig. 3 is a block diagram of a snapshot point data access apparatus according to a first embodiment of the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a server in a hardware operating environment according to an embodiment of the present invention.
As shown in fig. 1, the server may include: a processor 1001, such as a CPU, a communication bus 1002, a user interface 1003, a network interface 1004, and a memory 1005. Wherein a communication bus 1002 is used to enable connective communication between these components. The user interface 1003 may include a Display screen (Display), an input unit such as a Keyboard (Keyboard), and the optional user interface 1003 may also include a standard wired interface, a wireless interface. The network interface 1004 may optionally include a standard wired interface, a wireless interface (e.g., WI-FI interface). The memory 1005 may be a high-speed RAM memory or a non-volatile memory (e.g., a magnetic disk memory). The memory 1005 may alternatively be a storage device separate from the processor 1001.
Those skilled in the art will appreciate that the architecture shown in FIG. 1 does not constitute a limitation of a server, and may include more or fewer components than those shown, or some components in combination, or a different arrangement of components.
As shown in fig. 1, a memory 1005, which is a kind of computer storage medium, may include therein an operating system, a network communication module, a user interface module, and a snapshot point data access program.
In the server shown in fig. 1, the network interface 1004 is mainly used for data communication with an external network; the user interface 1003 is mainly used for receiving input instructions of a user; the server calls the snapshot point data access program stored in the memory 1005 through the processor 1001, and performs the following operations:
when a file access instruction sent by a second file sharing component of a user terminal is received through a local first file sharing component, determining a snapshot point to be accessed according to the file access instruction;
acquiring a target storage strategy of the snapshot point to be accessed;
performing data recombination on the snapshot point to be accessed according to the target storage strategy to obtain original data of the snapshot point to be accessed;
and sharing the obtained original data to a second file sharing component of the user terminal through the first file sharing component, so that the user terminal accesses the obtained original data through the second file sharing component.
Further, the processor 1001 may call the snapshot point data access program stored in the memory 1005, and also perform the following operations:
carrying out file-level mounting on the obtained original data to obtain mounting points;
and sending the mounting point to a second file sharing component of the user terminal through the first file sharing component, so that the user terminal accesses the obtained original data through the second file sharing component.
Further, the processor 1001 may call the snapshot point data access program stored in the memory 1005, and also perform the following operations:
and searching a target storage strategy of the snapshot point to be accessed in a preset storage strategy table, wherein the preset storage strategy table stores the corresponding relation between the snapshot point and the storage strategy.
Further, the processor 1001 may call the snapshot point data access program stored in the memory 1005, and also perform the following operations:
when the original data of the snapshot point to be stored of the user terminal is obtained, a storage strategy for the original data of the snapshot point to be stored is generated, the original data of the snapshot point to be stored is stored according to the generated storage strategy, and the corresponding relation between the snapshot point to be stored and the generated storage strategy is stored in a storage strategy table.
Further, the processor 1001 may call the snapshot point data access program stored in the memory 1005, and also perform the following operations:
when user login information sent by a user terminal is received, verifying the user login information, and when the user login information passes the verification, executing the step of determining the snapshot point to be accessed according to the file access instruction when the file access instruction sent by a second file sharing component of the user terminal is received by a local first file sharing component.
According to the scheme, the snapshot point is shared in a file sharing mode, the user terminal can access the original file of the snapshot point without restoring all data of the snapshot point to the user terminal, the user terminal can operate conveniently, the file sharing component exists in the operating system, installation and development are not needed, and development workload is small.
Based on the hardware structure, the embodiment of the snapshot point data access method is provided.
Referring to fig. 2, fig. 2 is a flowchart illustrating a snapshot point data access method according to a first embodiment of the present invention.
In a first embodiment, the snapshot point data access method includes the steps of:
s10: when a file access instruction sent by a second file sharing component of a user terminal is received through a local first file sharing component, a snapshot point to be accessed is determined according to the file access instruction.
It should be noted that, since the main execution body of the present invention is the server, the local first file sharing component is the first file sharing component on the server.
It can be understood that, there are components based on a file sharing protocol in the operating system, in this embodiment, the first file sharing component is a file sharing server component in the operating system of the server, and the second file sharing component is a file sharing client component in the operating system of the user terminal, so that the first file sharing component and the second file sharing component do not need to be installed and developed, and the development workload is small.
In order to ensure compatibility between components, the operating systems of the server and the user terminal are generally required to be consistent, that is, a Windows system is used for the server, and a Windows system is also required for the user terminal;
in a specific implementation, when the operating systems of the Server and the user terminal are Windows systems, the first file sharing component may be a LanmanServer (display name in the operating system is Server) service component, and the second file sharing component may be a lanmanworkation (display name in the operating system is workation) service component;
when the operating systems of the server and the user terminal are Linux systems, the first file sharing component may be a samba service component, and the second file sharing component may be a samba-client service component, and certainly, the Windows system and the Linux systems may be cross-accessed, so these service components may also be set as needed, which is not limited in this embodiment.
It should be understood that the file access instruction generally determines a snapshot object to be accessed (i.e., a snapshot to be accessed), and therefore, the snapshot to be accessed may be determined according to the file access instruction, of course, one snapshot to be accessed may be used, or multiple snapshots to be accessed may be used, which is not limited in this embodiment.
In order to improve data security, in this embodiment, a user auditing process may be further added, that is, before step S10, when user login information (similar to information such as a user name and a password) sent by a user terminal is received, the user login information is verified, and when the user login information passes the verification, step S10 is executed.
S20: and acquiring a target storage strategy of the snapshot point to be accessed.
It should be noted that, for a snapshot point to be accessed, the storage manner is very complex, and is one of core technologies of a backup application, where the snapshot point to be accessed includes a plurality of complex data organization formats, and each software vendor may be different due to different requirements and designs, such as a deduplication data block, a compression data block, and different storage locations, and therefore, different snapshot points to be accessed may be stored through different storage policies, and thus, a target storage policy of the snapshot point to be accessed may be obtained.
In order to obtain the target storage policy of the snapshot point to be accessed, in this embodiment, the target storage policy of the snapshot point to be accessed may be searched in a preset storage policy table, where a corresponding relationship between the snapshot point and the storage policy is stored in the preset storage policy table, that is, when the snapshot point is stored, the corresponding relationship between the snapshot point and the storage policy may be stored in the storage policy table.
Specifically, before step S10, when acquiring original data of a snapshot point to be stored of a user terminal, a storage policy for the original data of the snapshot point to be stored is generated, the original data of the snapshot point to be stored is stored according to the generated storage policy, and a correspondence between the snapshot point to be stored and the generated storage policy is stored in a storage policy table.
S30: and performing data recombination on the snapshot point to be accessed according to the target storage strategy to obtain the original data of the snapshot point to be accessed.
It can be appreciated that, since the storage policy and the reorganization policy are generally opposite processes, the snapshot point to be accessed may be reorganized according to the target storage policy.
S40: and sharing the obtained original data to a second file sharing component of the user terminal through the first file sharing component, so that the user terminal accesses the obtained original data through the second file sharing component.
In order to facilitate the user terminal to search for the shared original data, in this embodiment, the obtained original data may be mounted at a file level to obtain a mounting point; and sending the mounting point to a second file sharing component of the user terminal through the first file sharing component, so that the user terminal accesses the obtained original data through the second file sharing component.
Assuming that the storage policy of the snapshot point to be accessed is stored in a sector manner, the weight removal blocks in the sectors can be recovered, the compressed blocks are decompressed to obtain the original data of the snapshot point to be accessed, the original data is virtualized into a virtual hard disk or a volume, the virtual hard disk or the volume is then hung on a file system to obtain a mount point, and finally the mount point is sent to a second file sharing component of the user terminal through the first file sharing component, so that the user terminal accesses the obtained original data through the second file sharing component.
Assuming that the storage policy of the snapshot point to be accessed is stored in a file-level manner, after restoring the corresponding weight-removed blocks and decompressing the compressed blocks in the file, using software such as fuse (file in user space), Dokan, etc. or secondary development based on the software to implement file-level mounting, obtaining a mounting point, and finally sending the mounting point to a second file sharing component of the user terminal through the first file sharing component, so that the user terminal accesses the obtained original data through the second file sharing component.
By the method of the embodiment, all required files can be directly checked in a Windows resource manager (Explorer) on a user terminal (for example, a personal computer of a user, certainly, a tablet computer, a mobile phone and other terminals, which are not limited in this embodiment), so that additional metadata transmission and the like are not needed. Is very efficient. The original data of a single snapshot point or a plurality of snapshot points to be accessed can be conveniently viewed, and common tool software supports the use of a file sharing mode, for example, a file comparison tool can directly compare file differences among a plurality of snapshot points, a database file conversion tool can directly load a database or perform database conversion and the like, video playing software can directly play videos without restoring all data, and the use of a user is greatly facilitated.
In the embodiment, the snapshot point is shared in a file sharing mode, the user terminal can access the original file of the snapshot point without restoring all data of the snapshot point to the user terminal, so that the user terminal can operate conveniently, and the file sharing component exists in the operating system, so that the installation and development are not needed, and the development workload is small.
In addition, an embodiment of the present invention further provides a computer-readable storage medium, where a snapshot point data access program is stored on the computer-readable storage medium, and when executed by a processor, the snapshot point data access program implements the following operations:
when a file access instruction sent by a second file sharing component of a user terminal is received through a local first file sharing component, determining a snapshot point to be accessed according to the file access instruction;
acquiring a target storage strategy of the snapshot point to be accessed;
performing data recombination on the snapshot point to be accessed according to the target storage strategy to obtain original data of the snapshot point to be accessed;
and sharing the obtained original data to a second file sharing component of the user terminal through the first file sharing component, so that the user terminal accesses the obtained original data through the second file sharing component.
The snapshot point data access program of this embodiment may also be used to implement each step of the snapshot point data access method described above, and is not described herein again.
In addition, an embodiment of the present invention further provides a snapshot point data access apparatus, and with reference to fig. 3, the apparatus includes:
a snapshot determining module 301, configured to determine, when a file access instruction sent by a second file sharing component of a user terminal is received through a local first file sharing component, a snapshot point to be accessed according to the file access instruction;
a policy obtaining module 302, configured to obtain a target storage policy of the snapshot point to be accessed;
the data restructuring module 303 is configured to perform data restructuring on the snapshot point to be accessed according to the target storage policy, so as to obtain original data of the snapshot point to be accessed;
a data sharing module 304, configured to share the obtained original data with a second file sharing component of the user terminal through the first file sharing component, so that the user terminal accesses the obtained original data through the second file sharing component.
Each module of this embodiment may also be configured to implement each step of the snapshot point data access method, which is not described herein again.
According to the scheme, the snapshot point is shared in a file sharing mode, the user terminal can access the original file of the snapshot point without restoring all data of the snapshot point to the user terminal, the user terminal can operate conveniently, the file sharing component exists in the operating system, installation and development are not needed, and development workload is small.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system 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 system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium (e.g., ROM/RAM, magnetic disk, optical disk) as described above and includes instructions for enabling a terminal device (e.g., a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. A snapshot point data access method, comprising the steps of:
when a file access instruction sent by a second file sharing component of a user terminal is received through a local first file sharing component, determining a snapshot point to be accessed according to the file access instruction, wherein the first file sharing component is a file sharing service end component in an operating system of a server, and the second file sharing component is a file sharing client end component in the operating system of the user terminal;
searching a target storage strategy of the snapshot point to be accessed in a preset storage strategy table, wherein the preset storage strategy table stores a corresponding relation between the snapshot point and the storage strategy;
performing data recombination on the snapshot point to be accessed according to the target storage strategy to obtain original data of the snapshot point to be accessed;
and sharing the obtained original data to a second file sharing component of the user terminal through the first file sharing component, so that the user terminal accesses the obtained original data through the second file sharing component.
2. The method of claim 1, wherein the sharing the obtained original data to a second file sharing component of the user terminal through the first file sharing component, so that the user terminal accesses the obtained original data through the second file sharing component, specifically comprises:
carrying out file-level mounting on the obtained original data to obtain mounting points;
and sending the mounting point to a second file sharing component of the user terminal through the first file sharing component, so that the user terminal accesses the obtained original data through the second file sharing component.
3. The method of claim 1, wherein when a file access instruction sent by a second file sharing component of the user terminal is received through a local first file sharing component, before determining the snapshot point to be accessed according to the file access instruction, the method further comprises:
when the original data of the snapshot point to be stored of the user terminal is obtained, a storage strategy for the original data of the snapshot point to be stored is generated, the original data of the snapshot point to be stored is stored according to the generated storage strategy, and the corresponding relation between the snapshot point to be stored and the generated storage strategy is stored in a storage strategy table.
4. The method according to any one of claims 1 to 3, wherein when receiving a file access instruction sent by a second file sharing component of a user terminal through a local first file sharing component, before determining a snapshot point to be accessed according to the file access instruction, the method further comprises:
when user login information sent by a user terminal is received, verifying the user login information, and when the user login information passes the verification, executing the step of determining the snapshot point to be accessed according to the file access instruction when the file access instruction sent by a second file sharing component of the user terminal is received by a local first file sharing component.
5. The method according to any one of claims 1 to 3, wherein the first file sharing component is a file sharing server component in an operating system of the server, and the second file sharing component is a file sharing client component in an operating system of the user terminal.
6. A server, characterized in that the server comprises: a memory, a processor and a snapshot point data access program stored on the memory and executable on the processor, the snapshot point data access program being configured to implement the steps of the snapshot point data access method as claimed in any one of claims 1 to 5.
7. A computer-readable storage medium, characterized in that a snapshot point data access program is stored on the computer-readable storage medium, which, when executed by a processor, implements the steps of the snapshot point data access method recited in any one of claims 1 to 5.
8. An apparatus for snapshot point data access, the apparatus comprising:
the snapshot determining module is used for determining a snapshot point to be accessed according to a file access instruction when the file access instruction sent by a second file sharing component of a user terminal is received through a local first file sharing component, wherein the first file sharing component is a file sharing service end component in an operating system of a server, and the second file sharing component is a file sharing client end component in the operating system of the user terminal;
the policy acquisition module is used for searching a target storage policy of the snapshot point to be accessed in a preset storage policy table, wherein the preset storage policy table stores a corresponding relation between the snapshot point and the storage policy;
the data recombination module is used for carrying out data recombination on the snapshot point to be accessed according to the target storage strategy to obtain the original data of the snapshot point to be accessed;
and the data sharing module is used for sharing the obtained original data to a second file sharing component of the user terminal through the first file sharing component so that the user terminal accesses the obtained original data through the second file sharing component.
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