CN110515767A - Snapshot data backup method, device, equipment and readable storage medium storing program for executing - Google Patents
Snapshot data backup method, device, equipment and readable storage medium storing program for executing Download PDFInfo
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- CN110515767A CN110515767A CN201910736567.8A CN201910736567A CN110515767A CN 110515767 A CN110515767 A CN 110515767A CN 201910736567 A CN201910736567 A CN 201910736567A CN 110515767 A CN110515767 A CN 110515767A
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- Prior art keywords
- file
- snapshot
- modification
- snapshot data
- data backup
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Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- 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
- G06F11/1402—Saving, restoring, recovering or retrying
- G06F11/1446—Point-in-time backing up or restoration of persistent data
- G06F11/1448—Management of the data involved in backup or backup restore
- G06F11/1451—Management of the data involved in backup or backup restore by selection of backup contents
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- 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
- G06F11/1402—Saving, restoring, recovering or retrying
- G06F11/1446—Point-in-time backing up or restoration of persistent data
- G06F11/1448—Management of the data involved in backup or backup restore
- G06F11/1453—Management of the data involved in backup or backup restore using de-duplication of the data
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/10—File systems; File servers
- G06F16/11—File system administration, e.g. details of archiving or snapshots
- G06F16/128—Details of file system snapshots on the file-level, e.g. snapshot creation, administration, deletion
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/10—File systems; File servers
- G06F16/18—File system types
- G06F16/182—Distributed file systems
Abstract
The invention discloses a kind of snapshot data backup methods, comprising: receives the Monitoring instruction that user is sent by client in advance；According to the file type information for including in the Monitoring instruction, the corresponding file of the file type information is monitored；When existing in the file by modification file, then correspondingly snapshot data backup is carried out according to by the modification mode of modification file.It is detected in the application by the file to user's specified type, and only there is the modification modified in the file of user's specified type and carry out correspondingly snapshot, under the premise of guaranteeing to take precautions against loss of data function, the influence occupied to storage resource and to file system performance can be reduced to the full extent, to improve the function and performance of this distributed file system, user experience is improved.A kind of snapshot data back-up device, equipment and computer readable storage medium are additionally provided in the application, and there is above-mentioned beneficial effect.
Description
Technical field
The present invention relates to technical field of data backup, more particularly to a kind of snapshot data backup method, device, equipment and
Computer readable storage medium.
Background technique
As technology continues to develop, all business unit are concentrated to the system being deployed on one or several mainframes
Structure is not able to satisfy computer nowadays system, the especially fast development of Large-Scale Interconnected net system more and more, various flexible
Changeable system architecture model emerges one after another.Distributed processing mode is increasingly by the favor of industry.Distributed field system
System is one kind of distributed system, for distributed file system, will be distributed over and rises in resource set in different computing systems
Come for users to use, in terms of user perspective, arbitrarily write-in is read as operation central system.
In distributed document, there is a kind of snapping technique to take precautions against the backup method of loss of data as Online storage device,
Timely data recovery can be carried out when storing equipment and application failure or file corruption occurring, data are reverted into snapshot and are generated
The state at time point.
Snapping technique is broadly divided into two classes at present: one kind, which is called to write, copies (copy-on-write) snapshot, inputs every time
The snapshot changed to storing data is generated when new data or data with existing are updated；Another kind is called segmentation mirror snapshot, reference
All data in mirror image hard disk groups all generate the snapshot entirely rolled up every time the application runs, and more than new data or update
Data.It either writes and copies, or segmentation mirror image is backed up to entire catalogue, the backup of entire catalogue can not only be occupied more
Remaining memory space also will affect system performance.
Summary of the invention
The object of the present invention is to provide a kind of snapshot data backup method, device, equipment and computer-readable storage mediums
Matter reduces occupancy of the data to memory space of snapshot data backup, reduces influence of the Backup Data to system performance.
In order to solve the above technical problems, the present invention provides a kind of snapshot data backup method, comprising:
The Monitoring instruction that user is sent by client is received in advance；
According to the file type information for including in the Monitoring instruction, the corresponding file of the file type information is carried out
Monitoring；
When existing in the file by modification file, then the file is carried out according to by the modification mode of modification file
Correspondingly snapshot data backs up.
Wherein, then according to by the modification mode of modification file carry out correspondingly snapshot data backup include:
Judge whether the modification mode by modification file is to increase file, if so, whether judging increased file
To be snapshotted the file backed up, if so, deleting former snapshot file, and it is standby to carry out snapshot to presently described file
Part.
Wherein, described to judge whether increased file is to be snapshotted the file backed up to include:
When the increased file is not to be snapshotted the file backed up, then to presently described file progress snapshot.
Wherein, described to judge whether the modification mode by modification file is to increase file to include:
When the modification mode by modification file is not to increase file, then to presently described file progress snapshot.
A kind of snapshot data back-up device is additionally provided in the present invention, comprising:
Command reception module, the Monitoring instruction sent for receiving user in advance by client；
File monitoring modular, for according to the file type information for including in the Monitoring instruction, to the file type
The corresponding file of information is monitored；
Snapshot module is used for when existing in the file by modification file, then according to by the modification of modification file
Mode carries out correspondingly snapshot data backup.
Wherein, the snapshot module is specifically used for, and judges whether the modification mode by modification file is increase
File, if so, judging whether increased file is to be snapshotted the file backed up, if so, deleting former snapshot
File, and re-start snapshot.
Wherein, the snapshot module is specifically used for, when the increased file is not to be snapshotted the file backed up,
Snapshot then is carried out to current file.
Wherein, the snapshot module is specifically used for, when the modification mode by modification file be not increase file,
Snapshot then is carried out to presently described file.
A kind of snapshot data alternate device is additionally provided in the present invention, comprising:
Memory, for storing computer program；
Processor, for executing the computer program, to realize the operation of snapshot data backup method as described above
Step.
A kind of computer readable storage medium is additionally provided in the present invention, is stored on the computer readable storage medium
Computer program realizes the step of the as above any one snapshot data backup method when computer program is executed by processor
Suddenly.
A kind of snapshot data backup method provided by the present invention, comprising: receive what user was sent by client in advance
Monitoring instruction；According to the file type information for including in the Monitoring instruction, to the corresponding file of the file type information into
Row monitoring；When existing in the file by modification file, then correspondingly snapshot is carried out according to by the modification mode of modification file
Data backup.
It is detected in the application by the file to user's specified type, and only gone out in the file of user's specified type
The modification now modified carries out correspondingly snapshot, under the premise of guaranteeing to take precautions against loss of data function, can subtract to the full extent
Few influence to storage resource occupancy and to file system performance, to improve the function and property of this distributed file system
Can, improve user experience.
A kind of snapshot data back-up device, equipment and computer readable storage medium are additionally provided in the application, are had
Above-mentioned beneficial effect.
Detailed description of the invention
It, below will be to embodiment or existing for the clearer technical solution for illustrating the embodiment of the present invention or the prior art
Attached drawing needed in technical description is briefly described, it should be apparent that, the accompanying drawings in the following description is only this hair
Bright some embodiments for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the flow diagram of snapshot data backup method provided in an embodiment of the present invention；
Fig. 2 be another embodiment of the present invention provides snapshot data backup method flow diagram；
Fig. 3 is the structural block diagram of snapshot data back-up device provided in an embodiment of the present invention；
Fig. 4 is the structural schematic diagram of snapshot data alternate device provided in an embodiment of the present invention.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.Obviously, described embodiments are only a part of the embodiments of the present invention, rather than
Whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall within the protection scope of the present invention.
As shown in FIG. 1, FIG. 1 is the flow diagram of snapshot data backup method provided in an embodiment of the present invention, this method
May include:
Step S11: the Monitoring instruction that user is sent by client is received in advance.
Step S12: according to the file type information for including in Monitoring instruction, the corresponding file of file type information is carried out
Monitoring.
Step S13: when existing in file by modification file, then file is carried out according to by the modification mode of modification file
Correspondingly snapshot data backs up.
Wherein, Monitoring instruction can be user and set according to various types file modification demand in the present embodiment
's.Only the file modified is needed to be monitored user, and alternative document is without monitoring.
For example, active user may only be modified and changed the file of a certain type, user is i.e. transmittable at this time should
The Monitoring instruction being monitored for the type file.Once file occur to be altered, then the file of this type is carried out fast
According to backup, snapshot both was carried out without the data to entire hard disk or entire volume, in turn ensures the reliability of data backup.In
Demand of the user to the modified backup of data is met, and can largely reduce Backup Data on entire hard disk
Space hold amount.
In addition, it is necessary to illustrate, the Monitoring instruction in the application can carry out more according to the variation of user demand at any time
Newly, for example, user needs the file type modified to change, then new Monitoring instruction can be retransmitted, so as to needs
The data of monitoring and backup are adjusted.
The Monitoring instruction sent in the application based on user needs the file backed up to be monitored in real time user, and one
Modifying occurs in denier file, and is automatically performed the backup with the same type of file of this document, backs up meeting user to data
Demand on the basis of, and avoid the occupied space of the data for reducing snapshot, be conducive to guaranteeing file backup
On the basis of security reliability, increase the quantity for the file that can be backed up.
Specifically, the most basic reason backed up to data is that file data is changed, and the later period may need pair
File data before modification is restored, therefore, every once to be modified, and requires to carry out a snapshot.
And to the modification of file, there are a variety of modification modes, for this purpose, further proposing to be directed to different modifications in the application
The corresponding different backup mode of mode.
Optionally, in another embodiment of the present invention, as shown in Fig. 2, Fig. 2 be another embodiment of the present invention provides
Snapshot data backup method flow diagram, can also further include:
Step S21: the Monitoring instruction that user is sent by client is received in advance.
Step S22: according to the file type information for including in Monitoring instruction, the corresponding file of file type information is carried out
Monitoring.
Step S23: when existing in file by modification file, judge whether by the modification mode of modification file be to increase text
Part, if so, S24 is entered step, if it is not, then entering step S26.
Step S24: judge whether increased file is to be snapshotted the file backed up, if so, entering step
S25, if it is not, then entering step S26.
Step S25: former snapshot file is deleted.
Step S26: snapshot is carried out to current file.
Specifically, for the modification of file data, generally there are three kinds of situations: deleting some file, increases some text
It part or modifies to the content of some file.For deleting some file and being carried out to the content of some file
The case where modification, it is only necessary to which same type of All Files are subjected to snapshot.But for increasing some file
The case where, it is possible to after carrying out snapshot before may be there are the increased file, and delete the file of modification,
Therefore, it can inquire whether the file newly increased backed up, if backing up backup again will result in the repetition of content, be
This, after being deleted the file backed up originally in the present embodiment, then re-starts snapshot, that is, realizes file data
Snapshot has the repetition backup for avoiding file data.
It should be noted that the file that deletion signified in the application was backed up originally, only deletes original backup file
The newly-increased identical file of add file is neutralized, and the alternative document backed up simultaneously is not deleted, and same type of alternative document is avoided
Backup be deleted.
Snapshot data back-up device provided in an embodiment of the present invention is introduced below, snapshot data described below is standby
Part device can correspond to each other reference with above-described snapshot data backup method.
Fig. 3 is the structural block diagram of snapshot data back-up device provided in an embodiment of the present invention, is backed up referring to Fig. 3 snapshot data
Device may include:
Command reception module 100, the Monitoring instruction sent for receiving user in advance by client；
File monitoring modular 200, for according to the file type information for including in Monitoring instruction, to file type information pair
The file answered is monitored；
Snapshot module 300 is used for when existing in file by modification file, then according to by the modification side of modification file
Formula carries out correspondingly snapshot data and backs up.
Optionally, in another embodiment of the present invention, snapshot module 300 is specifically used for, and judges to be modified
Whether the modification mode of file is to increase file, if so, judging whether increased file is to be snapshotted the text backed up
Part if so, deleting former snapshot file, and re-starts snapshot.
Optionally, in another embodiment of the present invention, snapshot module 300 is specifically used for, when increased text
Part is not to be snapshotted the file backed up, then carries out snapshot to current file.
Optionally, in another embodiment of the present invention, snapshot module 300 is specifically used for, when by modification text
The modification mode of part is not to increase file, then carries out snapshot to current file.
The snapshot data back-up device of the present embodiment is for realizing snapshot data backup method above-mentioned, therefore snapshot data
The embodiment part of the visible snapshot data backup method hereinbefore of specific embodiment in back-up device, for example, instruction connects
Module 100, file monitoring modular 200 are received, snapshot module 300 is respectively used to realize in above-mentioned snapshot data backup method
Step S11, S12 and S13, so, specific embodiment is referred to the description of corresponding various pieces embodiment, herein
It repeats no more.
A kind of embodiment of snapshot data alternate device is additionally provided in the application, as shown in figure 4, Fig. 4 is that the present invention is real
The structural schematic diagram of the snapshot data alternate device of example offer is applied, which may include:
Memory 10, for storing computer program；
Processor 20, for executing the computer program, to realize the snapshot data as described in above-mentioned any embodiment
The operating procedure of backup method.
Specifically, method described in conjunction with the examples disclosed in this document or the step of algorithm can directly use hardware,
The combination of software module or the two that processor executes is implemented.
The software module of processor 20 is to realize that the module of computer program, the software module can be set in the present embodiment
In memory 10, which specifically can be random access memory (RAM), memory, read-only memory (ROM), electricity and can compile
Appointing well known in journey ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technical field
Random access memory (RAM), memory, read-only memory (ROM), electrically programmable ROM, electrically erasable in the storage medium for other forms of anticipating
Except any other form of well known in programming ROM, register, hard disk, moveable magnetic disc, CD-ROM or technical field
Storage medium.
A kind of computer readable storage medium, the computer readable storage medium are also further disclosed in the application
On be stored with computer program, the computer program realizes snapshot data described in any embodiment as above when being executed by processor
The step of backup method.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with it is other
The difference of embodiment, same or similar part may refer to each other between each embodiment.For being filled disclosed in embodiment
For setting, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is referring to method part
Explanation.
Above to snapshot data backup method, device, equipment and computer readable storage devices provided by the present invention
It is described in detail.Used herein a specific example illustrates the principle and implementation of the invention, the above reality
The explanation for applying example is merely used to help understand method and its core concept of the invention.It should be pointed out that for the art
For those of ordinary skill, without departing from the principle of the present invention, can with several improvements and modifications are made to the present invention,
These improvements and modifications also fall within the scope of protection of the claims of the present invention.
Claims (10)
1. a kind of snapshot data backup method characterized by comprising
The Monitoring instruction that user is sent by client is received in advance；
According to the file type information for including in the Monitoring instruction, the corresponding file of the file type information is supervised
It surveys；
It is when existing in the file by modification file, then corresponding according to being carried out by the modification mode of modification file to the file
The backup of ground snapshot data.
2. snapshot data backup method as described in claim 1, which is characterized in that according to by the modification mode of modification file into
Correspondingly snapshot data backup includes: row
Judge whether the modification mode by modification file is to increase file, if so, judging whether increased file is
Through being snapshotted the file backed up, if so, deleting former snapshot file, and snapshot is carried out to presently described file.
3. snapshot data backup method as claimed in claim 2, which is characterized in that described to judge whether increased file is
Being snapshotted the file backed up includes:
When the increased file is not to be snapshotted the file backed up, then to presently described file progress snapshot.
4. snapshot data backup method as claimed in claim 2, which is characterized in that judgement the repairing by modification file
Change whether mode is to increase file to include:
When the modification mode by modification file is not to increase file, then to presently described file progress snapshot.
5. a kind of snapshot data back-up device characterized by comprising
Command reception module, the Monitoring instruction sent for receiving user in advance by client；
File monitoring modular, for according to the file type information for including in the Monitoring instruction, to the file type information
Corresponding file is monitored；
Snapshot module is used for when existing in the file by modification file, then according to by the modification mode of modification file
Correspondingly snapshot data is carried out to back up.
6. snapshot data back-up device as claimed in claim 5, which is characterized in that the snapshot module is specifically used for,
Judge the modification mode by modification file whether be increase file, if so, judge increased file whether be by
The file that snapshot is crossed if so, deleting former snapshot file, and re-starts snapshot.
7. snapshot data back-up device as claimed in claim 5, which is characterized in that the snapshot module is specifically used for,
When the increased file is not to be snapshotted the file backed up, then to current file progress snapshot.
8. snapshot data back-up device as claimed in claim 5, which is characterized in that the snapshot module is specifically used for,
When the modification mode by modification file is not to increase file, then to presently described file progress snapshot.
9. a kind of snapshot data alternate device characterized by comprising
Memory, for storing computer program；
Processor, for executing the computer program, to realize as the described in any item snapshot datas of Claims 1-4 are standby
The operating procedure of part method.
10. a kind of computer readable storage medium, which is characterized in that be stored with computer on the computer readable storage medium
Program realizes the snapshot data backup method as described in any one of Claims 1-4 when the computer program is executed by processor
The step of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910736567.8A CN110515767A (en) | 2019-08-09 | 2019-08-09 | Snapshot data backup method, device, equipment and readable storage medium storing program for executing |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910736567.8A CN110515767A (en) | 2019-08-09 | 2019-08-09 | Snapshot data backup method, device, equipment and readable storage medium storing program for executing |
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Family
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