CN103761164B - File syn chronizing system and method based on disk protection reduction - Google Patents
File syn chronizing system and method based on disk protection reduction Download PDFInfo
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- 230000004224 protection Effects 0.000 title claims abstract description 60
- 238000000034 method Methods 0.000 title claims abstract description 21
- 230000001360 synchronised effect Effects 0.000 claims abstract description 108
- 230000006870 function Effects 0.000 description 16
- 238000011084 recovery Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
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Abstract
The present invention provides a kind of file syn chronizing system based on disk protection reduction; it is used for the data that automatic synchronization user is backed up after system protection reduction is performed, and it includes synchronous documents setting unit, backup creating unit, synchronous judging unit and synchronous documents execution unit.Synchronous documents setting unit is used for setting to be needed the relevant information of synchronous documents and stores; backup creating unit is used to before system reducing execution be created for current system the backup of interim backup point storage protection subregion; the relevant information that synchronous judging unit is used for synchronous documents after system start-up according to set by judges whether associated documents need to synchronize, and synchronous documents execution unit is used to be determined whether to perform the synchronization for needing synchronous documents according to the judged result of synchronous judging unit.The system performs the automatic data for being backed up user after reduction recovers and carries out file synchronization in system, simple to operate without the manual backup related data when system protection is reduced.Present invention also offers a kind of synchronous method.
Description
Technical field
It is same the present invention relates to computer data protection reduction technique, more particularly to a kind of file based on disk protection reduction
Step system and method.
Background technology
At present, the method that hard disk protection reduction technique has turned into the protection operating system recovery reduction of users' use,
System recovery method can be completely covered the data before system is recovered after the completion of system recovery, so as to cause losing for user data
Lose, if the document user for there are some important in current system is not intended to its newest content due to system reducing operation to also
Original, then the partial document is copied to manually when operating system can also be normally entered before system reducing be not reduced point
In area or other storage devices, the partial document is copied back by reduction again after completing.
However, it is this artificial come larger, the inconvenient operation that copies the backup mode workload of document, meanwhile, if recovering
Operating system has been collapsed and cannot normally enter operating system before reduction, then can only be by entering CD or mobile device certainly
Pre-installation (PreInstallation Environment, the PE) environmental system of band come load hard disk complete copy function, or even
The operation of some reduction protections can cause also cannot normally read the number of needs backup in PE systems because of the limitation of realization mechanism
According to causing the user cannot effective Backup Data.
The content of the invention
In view of this, the present invention provides a kind of energy file syn chronizing system reduced based on disk protection simple to operate and side
Method.
A kind of file syn chronizing system based on disk protection reduction, it is used for the automatic synchronization after system protection reduction is performed
The data that user is backed up, the file syn chronizing system based on disk protection reduction includes：
One synchronous documents setting unit, it is used to set the relevant information for needing synchronous documents and store；
One backup creating unit, its be used for system reducing perform before for current system establishment one interim backup point with
The backup of storage protection subregion；
One synchronous judging unit, the relevant information that it is used for synchronous documents after system start-up according to set by judges
Whether associated documents need synchronizes；
One synchronous documents execution unit, it is used to be determined whether to perform according to the judged result of the synchronous judging unit
Need the synchronization of synchronous documents；
The synchronous documents execution unit includes that a virtual disk creates subelement and synchronous documents copy is single
Unit, the virtual disk creates the backup area that subelement is each protection subregion that the backup creating unit is created and is respectively created
One corresponding virtual disk and the read operation of each virtual disk will be converted into create respective backup area data reading
Take, the synchronous documents copy subelement will correspondence virtual disk according to the complete trails information needed in synchronous documents information for setting
In associated documents be copied under the path of synchronous documents to realize file synchronization.
A kind of file synchronisation method based on disk protection reduction, it is used for the automatic synchronization after system protection reduction is performed
The data that user is backed up, the file synchronisation method based on disk protection reduction is comprised the following steps：
Setting needs the relevant information of synchronous documents and stores；
For current system creates an interim backup point with the backup of storage protection subregion before system reducing execution；
The synchronous documents relevant information according to set by judges whether associated documents need to synchronize after system start-up；
Determined whether to perform each that the synchronization for needing synchronous documents is the backup creating unit establishment according to judged result
Protect subregion backup area be respectively created a corresponding virtual disk and the read operation of each virtual disk will be converted into it is right
The reading of the respective backup area data of establishment；
The associated documents in correspondence virtual disk are copied according to the complete trails information needed in synchronous documents information for setting
Realizing file synchronization under to the path of synchronous documents.
Compared with prior art, in the present invention is provided file syn chronizing system and method that reduction is protected based on disk,
Using backing up, creating unit creates the backup of current system and synchronous documents are held after system start-up before system protection reduction execution
Automatically the data that be backed up for user by row unit carry out file synchronization, without the manual backup dependency number when system protection is reduced
According to simple to operate.
Brief description of the drawings
Fig. 1 is the module diagram of the file syn chronizing system based on disk protection reduction that the present invention is provided.
Fig. 2 is the flow chart of the file synchronisation method based on disk protection reduction that the present invention is provided.
Main element symbol description
File syn chronizing system 100 based on disk protection reduction
Space allocation unit 110
Synchronous documents setting unit 120
Backup creating unit 140
Synchronous judging unit 160
Synchronous documents execution unit 180
Virtual disk creates subelement 182
Synchronous documents copy subelement 184
Following specific embodiment will further illustrate the present invention with reference to above-mentioned accompanying drawing.
Specific embodiment
Fig. 1 is referred to, a kind of its file syn chronizing system based on disk protection reduction provided for embodiment of the present invention
100, the file syn chronizing system 100 based on disk protection reduction is used for the automatic synchronization user after system protection reduction is performed
The data being backed up.File syn chronizing system based on disk protection reduction includes a synchronous text of space allocation unit 110,
The backup creating unit 140, one of part setting unit 120, synchronization judging unit 160 and a synchronous documents execution unit
180.In present embodiment, based on disk protection reduction file syn chronizing system 100 program be arranged in an operating system be
Automatic running after system startup.
The space allocation unit 110 is used to distribute a disk space not being reduced, and in present embodiment, is distributed
The disk space not being reduced size be 1,000,000 (M).It is understood that space allocation unit 110 can be to be arranged on to hold
It is used to provide certain big for this file syn chronizing system 100 based on disk protection reduction in the operation software of row system protection reduction
The small disk space not being reduced, the disk space size not being reduced distributed sets according to need.
The synchronous documents setting unit 120 is used for setting to be needed the relevant information of synchronous documents and stores to space to distribute single
The corresponding disk space of the distribution of unit 110, in present embodiment, the synchronous file-related information of set need includes needing to perform
The quantity of synchronous file, whether need to perform the execution flag of file synchronization function and need to perform the complete of synchronous file
Routing information.The particular content of set synchronous documents relevant information includes a header structure for document-synchronization information and owns
The complete trails character string of synchronous documents, wherein, header structure includes 5 bytes, and preceding 4 bytes are come using 1 value of ULONG types
Record needs the quantity of synchronous file, is initialized as being set to 0, and expression is also not provided with needing synchronous document, the 5th word
Save 1 value of byte types to mark whether to need to perform file synchronization function, Initialize installation is 0, the value of execution flag
For 0 when represent that being not carried out system reducing operation need not perform file synchronization function, the value of execution flag represents execution when being 1
System reducing operation needs to perform file synchronization function.To deposit all need successively since the 6th byte and perform synchronization
The complete trails character string information of file, each character string with ' 0 ' character marking terminate, in present embodiment, user is provided with 2
The information of individual synchronous documents, wherein, the data in bracket represent corresponding information content：" synchronous number of documents (2)+execution flag
(0)+(C of synchronous documents 1:Mydoc.txt ' 0 ') (d of+synchronous documents 2:\log.txt’\0’)”.
The backup creating unit 140 be used for system reducing perform before for current system establishment one interim backup point with
The backup of storage protection subregion, the backup of the protection subregion for being created is the backup used when performing file synchronization function below
Point.In present embodiment, the value of the execution flag in synchronous documents relevant information is set to 1 representing and is by backup point after creating
System needs to perform the synchronization of file after reduction.It is understood that backup creating unit 140 can be to be arranged on execution system guarantor
It is used to realize the unit that backup creates function in the operation software for protecting reduction.
The synchronous judging unit 160 is used for the value of the execution flag of synchronous documents after system start-up according to set by
Judge whether associated documents need to synchronize, in present embodiment, the value of execution flag is set to 1, and expression performs system also
Origin operation needs to perform file synchronization function.It is understood that synchronous judging unit 160 is completed and opened in system reducing operation
After dynamic, synchronous judging unit 160 starts the value of the execution flag of the fileinfo of the disk space memory storage for judging distributed.
The synchronous documents execution unit 180 is used to be determined whether according to the judged result of the synchronous judging unit 160
Execution needs the synchronization of synchronous documents, and synchronous documents execution unit 180 includes that a virtual disk creates subelement 182 and one same
Step file copies subelement 184.
The virtual disk creates subelement 182 to be used to protect the standby of subregion for each that backup creating unit 140 is created
Part area is respectively created a corresponding virtual disk and the read operation of each virtual disk will be converted into corresponding standby to what is created
The digital independent in part area.In present embodiment, the virtual disk installed in the operation software using execution system protection reduction drives
Dynamic program come for each protection subregion be respectively created a corresponding virtual disk.There is 1 in present embodiment, in operating system
Protection subregion C, then the backup area C1 of C subregions will be stored in interim backup point, virtual disk VC1 is created now, will be to VC1
The read operation read operation that is converted into C1 respective sectors.
The synchronous documents copy subelement 184 will correspondence according to the complete trails information needed in synchronous documents information for setting
Associated documents in virtual disk are copied under the path of synchronous documents to realize file synchronization.In present embodiment, synchronous text
Part copies subelement 184 for the file manipulation function provided using windows is realized, if the synchronous documents that need to be set user "
C:Mydoc.txt " synchronize, then by windows provide file manipulation function directly will " VC1:Mydoc.txt " copy
Shellfish arrives " C:Mydoc.txt " under path.
It is understood that after the completion of file synchronization, the void installed in the operation software using execution system protection reduction
All virtual disks that intending disk driver will create are closed, while the interim backup point for deleting establishment is discharged shared by it
Disk space, and file synchronization execution flag is reset to 0.
Fig. 2 is referred to, a kind of its file synchronisation method based on disk protection reduction provided for embodiment of the present invention,
It is used for the data that automatic synchronization user is backed up after system protection reduction is performed, the file based on disk protection reduction
Synchronous method is comprised the following steps：
S110：One disk space not being reduced of distribution；
S120：Setting needs the relevant information of synchronous documents and stores to the disk space for being distributed；
S130：For current system creates an interim backup point with the standby of storage protection subregion before system reducing execution
Part；
S140：The synchronous documents relevant information according to set by judges whether associated documents need to carry out together after system start-up
Step；
S150：Determined whether to perform the synchronization for needing synchronous documents according to judged result；For the backup creating unit is created
Each protection subregion backup area be respectively created a corresponding virtual disk and will to the read operation of each virtual disk turn
Change the reading to the respective backup area data for creating into；Will correspondence according to the complete trails information needed in synchronous documents information for setting
Associated documents in virtual disk are copied under the path of synchronous documents to realize file synchronization；
S160：Close created virtual disk；
S170：Delete the interim backup point for creating；
S180：Replacement needs the relevant information of synchronous documents.
In the step S110, in present embodiment, utilization space allocation unit 110 distributes 1 not be reduced
The disk space of million sizes.It is understood that space allocation unit 110 can be arranged on the operation of execution system protection reduction
A certain size the disk space not being reduced is provided in software, the disk space size not being reduced distributed sets according to need
It is fixed.
In the step S120, being set using synchronous documents setting unit 120 is needed the relevant information of synchronous documents and deposited
Storage, preceding 4 byte records need the quantity of synchronous file in set synchronous documents relevant information, are initialized as being set to
0, expression is also not provided with needing synchronous document, and whether the 5th type flags need to perform file synchronization function, and initialization sets
0 is set to, the value of execution flag represents that being not carried out system reducing operation need not perform file synchronization function, perform mark when being 0
The value of note represents that performing system reducing operation needs to perform file synchronization function, deposits successively since the 6th byte when being 1
The complete trails character string information of the files for all needing to perform synchronous, each character string with ' 0 ' character marking terminate.
It is current system establishment one before system reducing execution using creating unit 140 is backed up in the step S130
Individual interim backup point is with the backup of storage protection subregion.In present embodiment, by synchronous documents relevant information after backup point establishment
In execution flag value be set to 1 with represent system needed after reduction perform file synchronization.
In the step S140, using the synchronous documents after system start-up according to set by of synchronous judging unit 160
The value of execution flag judge whether associated documents need to synchronize, in present embodiment, the value of execution flag is set to 1, table
Show that performing system reducing operation needs to perform file synchronization function.
In the step S150, in present embodiment, it is each protection subregion to create subelement 182 using virtual disk
Be respectively created a corresponding virtual disk and the read operation of each virtual disk will be converted into create respective backup area
The reading of data, has 1 protection subregion C, then the backup area C1 of C subregions will be stored in interim backup point in operating system,
Virtual disk VC1 is created now, the read operation to C1 respective sectors will be converted into the read operation of VC1.In present embodiment, together
Step file copies subelement 184 for the file manipulation function provided using windows is realized, if the synchronous text that need to be set user
Part " C:Mydoc.txt " synchronize, then by windows provide file manipulation function directly will " VC1:\
Mydoc.txt " is copied to " C:Mydoc.txt " under path.
In the step S160, in present embodiment, installed in the operation software using execution system protection reduction
Virtual disk driver is closed virtual disk and creates all virtual disk equipment that subelement 182 is created.
In the step S170, using the interim backup point for backing up the deletion establishment of creating unit 140, present embodiment
In, using the operation software of execution system protection reduction the interim backup point of establishment is deleted to discharge the disk sky shared by it
Between.
In the step S180, the value of the mark for being performed file synchronization using synchronous documents setting unit 120 is reset
It is 0.
In file syn chronizing system 100 and synchronous method that reduction is protected based on disk that the present invention is provided, in system protection
Using backing up, creating unit 140 creates the backup of current system and virtual disk creates sub single after system start-up before reduction execution
After 182 pairs of respective backups of unit create corresponding virtual disk, synchronous documents copy subelement 184 is recycled automatically to need user standby
The data of part are copied to corresponding disk region from virtual disk carries out file synchronization, without the manual backup when system protection is reduced
Related data, while without advancing into operating system in system reducing recovery operation, and pass through to set the correlation for needing synchronous documents
The value of information is that can determine that to need synchronous file, improves the operability of file synchronization, simple and convenient.
It is understood that for the person of ordinary skill of the art, can be done with technology according to the present invention design
Go out other various corresponding changes and deformation, and all these changes and deformation should all belong to the protection model of the claims in the present invention
Enclose.
Claims (7)
1. a kind of that the file syn chronizing system for reducing is protected based on disk, it is used for the automatic synchronization after system protection reduction is performed and uses
The data that family is backed up, the file syn chronizing system based on disk protection reduction includes：
One synchronous documents setting unit, it is used to set the relevant information for needing synchronous documents and store；
One backup creating unit, it is used to before system reducing is performed create an interim backup point to store for current system
Protect the backup of subregion；
One synchronous judging unit, the relevant information that it is used for synchronous documents after system start-up according to set by judges related
Whether file needs synchronizes；
One synchronous documents execution unit, it is used to determine whether to perform according to the judged result of the synchronous judging unit to need together
The synchronization of step file；The synchronous documents execution unit includes that a virtual disk creates subelement and a synchronous documents copy
Subelement, the virtual disk creates the backup area difference that subelement is each protection subregion that the backup creating unit is created
Create a corresponding virtual disk and the read operation of each virtual disk will be converted into create respective backup area data
Reading, synchronous documents copy subelement according to the complete trails information needed in synchronous documents information for setting will correspondence it is virtual
Associated documents in disk are copied under the path of synchronous documents to realize file synchronization；
The file syn chronizing system based on reducing disk includes a space allocation unit, and space allocation unit is used to distribute one
The individual disk space not being reduced is storing the set relevant information for needing synchronous documents.
2. it is as claimed in claim 1 that the file syn chronizing system for reducing is protected based on disk, it is characterised in that set need are same
Whether the file-related information of step includes needing the quantity of the file for performing synchronous, needs to perform the execution mark of file synchronization function
Note and needs perform the complete trails information of synchronous file.
3. it is as claimed in claim 2 that the file syn chronizing system for reducing is protected based on disk, it is characterised in that described synchronously to judge
The execution flag information that unit is used in the relevant information of synchronous documents according to set by judge associated documents whether need into
Row is synchronous.
4. a kind of that the file synchronisation method for reducing is protected based on disk, it is used for the automatic synchronization after system protection reduction is performed and uses
The data that family is backed up, the file synchronisation method based on disk protection reduction is comprised the following steps：
Setting needs the relevant information of synchronous documents and stores；
For current system creates an interim backup point with the backup of storage protection subregion before system reducing execution；
The synchronous documents relevant information according to set by judges whether associated documents need to synchronize after system start-up；
Determined whether to perform the synchronization for needing synchronous documents according to judged result；
The backup area of each the protection subregion created for backup creating unit is respectively created a corresponding virtual disk and will be right
The read operation of each virtual disk is converted into the reading to the respective backup area data for creating；
The associated documents in correspondence virtual disk are copied to together according to the complete trails information needed in synchronous documents information for setting
Realizing file synchronization under the path of step file.
5. it is as claimed in claim 4 that the file synchronisation method for reducing is protected based on disk, it is characterised in that set need are same
Whether the file-related information of step includes needing the quantity of the file for performing synchronous, needs to perform the execution mark of file synchronization function
Note and needs perform the complete trails information of synchronous file.
6. it is as claimed in claim 5 that the file synchronisation method for reducing is protected based on disk, it is characterised in that to judge step described
In rapid, the execution flag information in set synchronous documents relevant information judges whether associated documents need to synchronize.
7. it is as claimed in claim 5 that the file synchronisation method for reducing is protected based on disk, it is characterised in that to realize text described
It is further comprising the steps of after part synchronizing step：
Close created virtual disk；
Delete the interim backup point for creating；
Replacement needs the relevant information of synchronous documents.
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| CN201410015891.8A CN103761164B (en) | 2014-01-14 | 2014-01-14 | File syn chronizing system and method based on disk protection reduction |
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| CN106777288B (en) * | 2016-12-29 | 2019-09-27 | 北京安天网络安全技术有限公司 | A kind of system and method for quick fractionation virtualization disk mirroring |
| CN111338661A (en) * | 2018-12-03 | 2020-06-26 | 厦门雅迅网络股份有限公司 | Method for reversely upgrading BOOT of application program and storage medium |
| CN114510278A (en) * | 2022-01-21 | 2022-05-17 | 武汉噢易云计算股份有限公司 | Data static recovery method, device and equipment and readable storage medium |
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