CN102073554B - Method and device for recovering files closed abnormally - Google Patents
Method and device for recovering files closed abnormally Download PDFInfo
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- CN102073554B CN102073554B CN200910238276.2A CN200910238276A CN102073554B CN 102073554 B CN102073554 B CN 102073554B CN 200910238276 A CN200910238276 A CN 200910238276A CN 102073554 B CN102073554 B CN 102073554B
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Abstract
The invention provides a method and device for recovering files closed abnormally. The method comprises the steps of: storing: storing identification information and data information of each operation executed in a file editing process to an index file; recovering and calling operation; when a file closed abnormally is started, calling a corresponding operation command from a file command library according to the identification information stored in the index file; and operating operation: executing operation on an original file on the basis of the called operation command and the corresponding data information in the index file to obtain the file before abnormal closing. The method and device provided by the invention are used for decreasing system resources consumed in a file recovering process so as to improve system performance.
Description
Technical field
The present invention relates to file process field, particularly relate to restoration methods and the device of the abnormal closedown of a kind of file.
Background technology
In daily file process work, often run into such situation, namely crash in midway, or power down, or program exception etc. is abnormal closes situation, causes the file edited to have little time normal preservation.
The abnormal restoration methods of closing of existing a kind of file, every single stepping is carried out or every the shorter time user, all store a temporary file, when again starting shooting, can inquire and whether return to last temporary file state of preserving, if selecting is then read up-to-date temporary file and just can carry out file access pattern.
Such as, function that some documentors provide " automatically recover ", encounters problems to help user's finding program and stops the information of not yet preserving during response.Specifically, user can arrange Automatic Save Every.Then, according to described interval, current document is stored as temporary file, like this, after user restarts system or the document program under document abnormal closedown situation, the document program can provide the temporary file in order to recover.
Because temporary file is generally just at the copy file of editing files, for common small documents, above-mentioned resuming work has been easy to, because the resource that corresponding temporary file takies is few.But for the captions project file of at least hundreds of k size, its too much preservation temporary file, may take a large amount of hard drive spaces, accumulation hard disk fragment, thus reduce systematic function.
In a word, the technical problem needing those skilled in the art urgently to solve is exactly: how can reduce the resource cost in file access pattern process, thus improves systematic function.
Summary of the invention
Technical problem to be solved by this invention is to provide restoration methods and the device of the abnormal closedown of a kind of file, in order to reduce the system resource expended in file access pattern process, thus improves systematic function.
In order to solve the problem, the invention discloses the abnormal restoration methods of closing of a kind of file, comprising:
Storing step: by the identification information of each operation performed in editing files process and data message, be stored to index file;
Recovering step:
Call operation: after abnormal closedown during startup file, according to the identification information stored in described index file, call corresponding operational order from file command storehouse;
Arithmetic operation: based on data message corresponding in the described operational order called and described index file, computing is performed to original document, obtain the file before abnormal closedown.
Preferably, described original document is the last formal file preserved before abnormal closedown.
Preferably, described method also comprises:
Recording step: when performing formal preservation operation, recording one and preserving label in described index file;
Described recovering step comprises:
Check operation: after abnormal closedown during startup file, check whether index file end content is preserve label, if not, then performs demand operating;
Demand operating: whether inquiry recovers file, if so, then performs call operation;
Call operation: according to the storage order of described index file identification information, call corresponding operational order successively from file command storehouse;
Arithmetic operation: based on data message corresponding in the described operational order called and described index file, successively computing is performed to original document, obtain the file before abnormal closedown.
Preferably, described method also comprises:
Recording step: when performing formal preservation operation, recording one and preserving label in described index file, described preservation label comprises the described Time of Day preserving operation of execution;
Described recovering step comprises:
Newly-built operation: set up a new file;
Represent operation: when starting this new file, represent the Time of Day of all labels in described index file;
Call operation: when user selects one of them label, according to the storage order of identification information before label selected in described index file, calls corresponding operational order successively from file command storehouse;
Arithmetic operation: based on data message corresponding in the described operational order called and described index file, perform computing to described new file successively, be restored file.
Preferably, described storing step comprises:
When user executive editor operates, judge whether this operation affects file content, if so, then by the identification information of this operation, be stored to index file.
The invention also discloses the abnormal recovery device of closing of a kind of file, comprising:
Memory module, for by the identification information of each operation performed in editing files process and data message, is stored to index file; And,
Recover module, for recovering abnormal file of closing;
Wherein, described recovery module comprises:
Call submodule, for during startup file, according to the identification information stored in described index file, calling corresponding operational order from file command storehouse after abnormal closedown;
Operator module, for based on data message corresponding in the described operational order called and described index file, performs computing to original document, obtains the file before abnormal closedown.
Preferably, described device also comprises:
Logging modle, for when performing formal preservation operation, recording one and preserving label in described index file;
Described recovery module comprises:
Check submodule, for during startup file, checking whether index file end content is preserve label after abnormal closedown, if not, then triggered inquiries submodule;
Whether inquiry submodule, recover file for inquiry, if so, then triggers and call submodule;
Call submodule, for the storage order according to described index file identification information, from file command storehouse, call corresponding operational order successively;
Operator module, for based on data message corresponding in the described operational order called and described index file, performs computing to original document successively, obtains the file before abnormal closedown.
Preferably, described device also comprises:
Logging modle, for when performing formal preservation operation, recording one and preserving label in described index file, and described preservation label comprises the described Time of Day preserving operation of execution;
Described recovery module comprises:
Newly-built submodule, for setting up a new file;
Representing submodule, for when starting this new file, representing the Time of Day of all labels in described index file;
Call submodule, during for selecting one of them label user, according to the storage order of identification information before label selected in described index file, from file command storehouse, call corresponding operational order successively;
Operator module, for based on data message corresponding in the described operational order called and described index file, perform computing to described new file successively, be restored file.
Preferably, described memory module, for when user executive editor operates, judges whether this operation affects file content, if so, then by the identification information of this operation, is stored to index file.
Compared with prior art, the present invention has the following advantages:
The present invention is in the process of user's editing files, identification information of each operation performed by storage editor and data message are to index file, like this, after abnormal closedown during startup file, according to the identification information stored in described index file, corresponding operational order can be called from file command storehouse, based on data message corresponding in the described operational order called and described index file, computing is performed to original document, obtains the file before abnormal closedown; Therefore, relative in prior art, store the data of whole file as index file, the present invention only stores identification information and the data message of each operation performed by editor, and described identification information and data message are the data that data volume is less, thus the present invention can reduce the system resource expended in file access pattern process, thus can improve the overall performance of system;
Secondly, when user performs formal preservation operation, one can be recorded preserve label in described index file, therefore, after abnormal closedown during startup file, the present invention can by detecting whether the end content of index file is preserve label to judge, before abnormal closedown, whether user performs formal preservation operation, thus determines the need of execution recovery operation;
Moreover, when user performs formal preservation operation, can preserve in the preservation label of described record and perform the described Time of Day preserving operation, and, when closedown starts the new file of foundation afterwards, represent the Time of Day of all labels in described index file, like this, when user selects one of them label, can by the file access pattern before selected label out, also namely, file access pattern can be performed the formal version preserved when operating to any one user.
Accompanying drawing explanation
Fig. 1 is the flow chart of the abnormal restoration methods embodiment 1 of closing of a kind of file of the present invention;
Fig. 2 is the flow chart of the abnormal restoration methods embodiment 2 of closing of a kind of file of the present invention;
Fig. 3 is the flow chart of the abnormal restoration methods embodiment 3 of closing of a kind of file of the present invention;
Fig. 4 is the structure chart of the abnormal recovery device embodiment of closing of a kind of file of the present invention.
Detailed description of the invention
For enabling above-mentioned purpose of the present invention, feature and advantage become apparent more, and below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
For making those skilled in the art understand the present invention better, the operation principle of simple present document system below.
Long-term information is stored, has following three basic demands:
1. must can store a large amount of information;
2., after the procedure termination of the information of use, information must preserve;
3. these information of access that many processes can be concurrent.
The common method addressed all of these issues be exactly information with file (file) for unit, be stored on disk or other external agency.Then, process can file reading, also can create new file when needs.The information stored hereof must be permanent, that is, can not be subject to the establishment of process and the impact of termination.Only have when the clear and definite deletion of user it time, file just can disappear.
File, by operating system management, comprises the realization etc. of the structure of file, the name of file, the use of file, the protection of file and file, needs the problem solved when these are all operating system designs.Generally speaking, in an operating system, be responsible for that part of the process thing relevant with file, be just called file system (file system).Such as, the file system that windows xp is conventional has fat16, fat32, ntfs etc.
Therefore, from the user point of view, to compare it is of concern that the external interface that provides of file system, comprise that how file is named, that how to protect, how to visit, how to edit, etc.
From system perspective, file system is organized file memory space and distributes, be responsible for file storage and to stored in the file system protecting and retrieve.Specifically, it is responsible for user and sets up file, stored in, read, amendment, dump file, the access of control documents, cancels file etc. when user does not re-use.
In sum, inventor herein is one of core idea proposing the embodiment of the present invention creatively, namely in the process of user's editing files, be not store whole file data as index file, but store performed by each operation information to index file, like this, when recovery, the index file of foundation official document stored before and store operation information, performs computing, calculates file appearance last before crashing.Because stored operation information data volume is little, therefore, the present invention when storing index file, can reduce taking of resource greatly.
With reference to Fig. 1, show the flow chart of the abnormal restoration methods embodiment 1 of closing of a kind of file of the present invention, specifically can comprise:
Storing step 101, by the identification information of each operation performed in editing files process and data message, be stored to index file;
In specific implementation, described temporary file is mainly used in storage operation information table, also be, from the file that the last time formally preserves, all perform which operation successively, described operation information can comprise identification information and data message, wherein, identification information can be the label of operational order, for captions project file, store label 1, 2, 3, 4, 5, represent for a file, perform order 1 successively, order 2, order 3, order 4, order 5, and the code of the operational order corresponding to identification information can be stored in a file command storehouse of caption editing software, data message can be the operand information corresponding one by one to identification information, also, is for what data of which position perform to storing the corresponding order 1 of label 1.Like this, when recovery file, as long as just concrete operational order can be found from file command storehouse according to identification information, then, perform these orders successively, just can obtain file appearance last before crashing.Because identification information, data information data amount are less, so the embodiment of the present invention when storing index file, can reduce taking of system resource greatly.
Such as, the operational order of Word file can comprise: the operational order of Word text, specifically can comprise that text is removed, text is selected, full choosing and remove, cancel and recover, shear and copy, search and replace, cursor location, header and footer etc.; Word file operation and view setting command; Word font and paragraph setting command; Other form of Word and insertion symbol order; Word inserts graph command; Image mixed character typeset and comprehensive typesetting command; The order of Word table-form making; Word prints and page setup order etc., and the concrete Word text of particular location, Word figure can as data message.
And for example, the operational order that AutoCad is conventional can comprise: object property command, specifically can comprise design centre, amendment characteristic, attributes match, text style, arrange color, figure layer operation, linear, linear proportional, alignment etc.; Drawing command, specifically can comprise point, straight line, ray, multi-section-line, multi-thread, SPL, regular polygon, rectangle, circle, circular arc, annulus etc.; Amendment order, specifically can comprise: copy, mirror image, array, skew, rotation, movement, deletion, decomposition, pruning etc.; Translation, in real time convergent-divergent, partial enlargement, return a view, show the form the Scale commands such as full figure; Straight line mark, alignment mark, radius mark, the order of DDI equidimension mark; Etc..
For another example, in the process of editor's captions project file, establishment pel, the input character used, pel such as to move at the operation information can be stored to index file.
Recovering step 102,
Call sub-step 121, after abnormal closedown, during startup file, according to the identification information stored in described index file, from file command storehouse, call corresponding operational order;
File command storehouse is one of basis of restoration methods of the present invention, and it can comprise all orders of using in file, such as, and above-mentioned Word file command, AutoCad file command etc.In a particular application, Word library comprises N number of order, wherein, the storage label that paste command is corresponding is m, m, N are natural number, and 1≤m≤N, so, this step is for the identification information stored in index file (label m), from file command storehouse, call corresponding paste command.
Operator step 122, based on data message corresponding in the described operational order called and described index file, computing is performed to original document, obtain the file before abnormal closedown.
In practice, user often performs once formal preservation operation, and file system can upgrade file for this operation.Therefore, crash in midway, or power down, or the original document started after the abnormal closedown of file routine, be generally abnormal and close the front last formal file preserved.Like this, the recovery operation of the embodiment of the present invention can be, based on data message corresponding in the described operational order called and described index file, performs computing to original document, calculates the file before abnormal closedown.
When file process, also have a kind of situation, be also the newly-built file of user, then carry out a series of edit operation, having to close with regard to running into abnormal conditions.Now, described original document is empty file; And described recovery operation can be, based on data message corresponding in the described operational order called and described index file, computing is performed to this empty file, calculate the file before abnormal closedown.
In the file editing process of reality, also have a kind of situation, the mouse that namely user performs such as to click at the edit operation does not affect file content, such as, user performs and copies+paste two operations, wherein, copy operation just utilizes mouse to select the content needing stickup, does not affect file content.Thus, the copy operation in index file does not have essential meaning.
For said circumstances, in one preferred embodiment of the invention, described storing step can comprise:
When user executive editor operates, judge whether this operation affects file content, if so, then by the identification information of this operation, be stored to index file.This preferred embodiment can avoid the data volume of storage redundancy in index file.
Relative in prior art, store the data of whole file as index file, the present invention only stores identification information and the data message of each operation performed by editor, and described identification information and data message are the data that data volume is less, thus the present invention can reduce the system resource expended in file access pattern process, thus can improve the overall performance of system.
With reference to Fig. 2, show the flow chart of the abnormal restoration methods embodiment 2 of closing of a kind of file of the present invention, specifically can comprise:
Operation 2A before abnormal closedown,
Step 201, open need editor file, set up an index file;
Step 202, judge that operation that user performs is edit operation or formal preservation operation, if edit operation, then perform step 203; If formal preservation operation, then perform step 204;
Step 203, by each operation performed in editing files process, be stored to index file, and return step 202;
Step 204, when performing formal preservation operation, in described index file, recording one preserve label, and returning step 202;
Extremely close 2B,
Operation 2C after abnormal closedown during startup file,
Step 205, after abnormal closedown, during startup file, check whether index file end content is preserve label, if not, then performs step 206;
Whether step 206, inquiry are recovered file, if so, then perform step 207;
Step 207, storage order according to described index file identification information, call corresponding operational order successively from file command storehouse;
Step 208, based on data message corresponding in the described operational order called and described index file, successively computing is performed to original document, obtain the file before abnormal closedown.
The present embodiment with implement 1 difference be: user perform formal preservation operate time, in described index file, record one preserve label, like this, after abnormal closedown during startup file, just can by detecting whether the end content of index file is preserve label to judge, before abnormal closedown, whether user performs formal preservation operation, thus determines the need of execution recovery operation.
For embodiment 2, due to embodiment 1 basic simlarity shown in itself and Fig. 1, so description is fairly simple, relevant part illustrates see the part of embodiment 1.
With reference to Fig. 3, show the flow chart of the abnormal restoration methods embodiment 3 of closing of a kind of file of the present invention, specifically can comprise:
Operation 3A before closedown,
Step 301, open need editor file, set up an index file;
Step 302, judge that operation that user performs is edit operation or formal preservation operation, if edit operation, then perform step 303; If formal preservation operation, then perform step 304;
Step 303, by each operation performed in editing files process, be stored to index file, and return step 302;
Step 304, when performing formal preservation operation, recording one and preserving label in described index file, described preservation label comprises and performs the described Time of Day preserving operation, and returns step 302;
Closedown 3B,
Operation 3C during startup file,
Step 305, set up a new file;
Step 306, start this new file time, represent the Time of Day of all labels in described index file;
Step 307, when user selects one of them label, according to the storage order of identification information before label selected in described index file, from file command storehouse, call corresponding operational order successively;
Step 308, based on data message corresponding in the described operational order called and described index file, perform computing to described new file successively, be restored file.
In practice, also have such demand, namely user wants to check that a file is from all preservation versions being established to final draft, and such as, user effort has removed described file in 30 days, and when completing, wonders the workload of every day.
For the demand, the present embodiment is with the difference implementing 2: record to perform in described preservation label and describedly preserve the Time of Day operated, and, when closedown starts the new file of foundation afterwards, represent the Time of Day of all labels in described index file, like this, when user selects one of them label, by the file access pattern before selected label out, also, file access pattern can be performed the formal version preserved when operating to any one user.
Be appreciated that, the present embodiment be not limited to crash recover, be also not limited to the file access pattern of the Time of Day of label, as long as in each operation information date writing time, the present embodiment can also according to the operation information in described index file, by the version of file access pattern to any Time of Day.
For embodiment 3, due to embodiment 3 basic simlarity shown in itself and Fig. 3, so description is fairly simple, relevant part illustrates see the part of embodiment 2.
With reference to Fig. 4, show the structure chart of the abnormal recovery device embodiment of closing of a kind of file of the present invention, specifically can comprise:
Memory module 401, for by the identification information of each operation performed in editing files process and data message, is stored to index file; And,
Recover module 402, for recovering abnormal file of closing;
Wherein, described recovery module can comprise:
Call submodule 421, for during startup file, according to the identification information stored in described index file, calling corresponding operational order from file command storehouse after abnormal closedown;
Operator module 422, for based on data message corresponding in the described operational order called and described index file, performs computing to original document, obtains the file before abnormal closedown.
In the file editing process of reality, also have a kind of situation, the mouse that namely user performs such as to click at the edit operation does not affect file content, such as, user performs and copies+paste two operations, wherein, copy operation just utilizes mouse to select the content needing stickup, does not affect file content.Thus, the copy operation in index file does not have essential meaning.
For said circumstances, in embodiments of the present invention, preferably, described memory module, for when user executive editor operates, judges whether this operation affects file content, if so, then by the identification information of this operation, is stored to index file.
In one preferred embodiment of the invention, described device can also comprise:
Logging modle, for when performing formal preservation operation, recording one and preserving label in described index file;
Correspondingly, described recovery module can comprise:
Check submodule, for during startup file, checking whether index file end content is preserve label after abnormal closedown, if not, then triggered inquiries submodule;
Whether inquiry submodule, recover file for inquiry, if so, then triggers and call submodule;
Call submodule, for the storage order according to described index file identification information, from file command storehouse, call corresponding operational order successively;
Operator module, for based on data message corresponding in the described operational order called and described index file, performs computing to original document successively, obtains the file before abnormal closedown.
In practice, also have such demand, namely user wants to check that a file is from all preservation versions being established to final draft, and such as, user effort has removed described file in 30 days, and when completing, wonders the workload of every day.
For said circumstances, in another preferred embodiment of the invention, described device can also comprise:
Logging modle, for when performing formal preservation operation, recording one and preserving label in described index file, and described preservation label comprises the described Time of Day preserving operation of execution;
Now, described recovery module can comprise:
Newly-built submodule, for setting up a new file;
Representing submodule, for when starting this new file, representing the Time of Day of all labels in described index file;
Call submodule, during for selecting one of them label user, according to the storage order of identification information before label selected in described index file, from file command storehouse, call corresponding operational order successively;
Operator module, for based on data message corresponding in the described operational order called and described index file, perform computing to described new file successively, be restored file.
Each embodiment in this description all adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar part mutually see.For device embodiment, due to itself and embodiment of the method basic simlarity, so description is fairly simple, relevant part illustrates see the part of embodiment of the method.
The present invention can be applied to the file such as captions project file, Word, AutoCad, Visio, automatically recovers when for causing the file edited to have little time normal preservation in midway deadlock or power down to file.
Above to restoration methods and the device of the abnormal closedown of a kind of file provided by the present invention, be described in detail, apply specific case herein to set forth principle of the present invention and embodiment, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping; Meanwhile, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (7)
1. the abnormal restoration methods of closing of file, is characterized in that, comprising:
Storing step: by the identification information of each operation performed in editing files process and data message, be stored to index file; Described identification information is the label of operational order; Described data message is the operand information corresponding one by one to identification information;
Recording step: when performing formal preservation operation, recording one and preserving label in described index file;
Recovering step;
Wherein, described recovering step comprises:
Check operation: after abnormal closedown during startup file, check whether index file end content is preserve label, if not, then performs demand operating;
Demand operating: whether inquiry recovers file, if so, then performs call operation;
Call operation: according to the storage order of described index file identification information, call corresponding operational order successively from file command storehouse;
Arithmetic operation: based on data message corresponding in the described operational order called and described index file, successively computing is performed to original document, obtain the file before abnormal closedown.
2. the method for claim 1, is characterized in that, described original document is the last formal file preserved before abnormal closedown.
3. the method for claim 1, is characterized in that, also comprises:
Recording step: when performing formal preservation operation, recording one and preserving label in described index file, described preservation label comprises the described Time of Day preserving operation of execution;
Described recovering step comprises:
Newly-built operation: set up a new file;
Represent operation: when starting this new file, represent the Time of Day of all labels in described index file;
Call operation: when user selects one of them label, according to the storage order of identification information before label selected in described index file, calls corresponding operational order successively from file command storehouse;
Arithmetic operation: based on data message corresponding in the described operational order called and described index file, perform computing to described new file successively, be restored file.
4. the method for claim 1, is characterized in that, described storing step comprises:
When user executive editor operates, judge whether this operation affects file content, if so, then by the identification information of this operation, be stored to index file.
5. the abnormal recovery device of closing of file, is characterized in that, comprising:
Memory module, for by the identification information of each operation performed in editing files process and data message, is stored to index file; Described identification information is the label of operational order; Described data message is the operand information corresponding one by one to identification information;
Logging modle, for when performing formal preservation operation, recording one and preserving label in described index file; And,
Recover module, for recovering abnormal file of closing;
Wherein, described recovery module comprises:
Check submodule, for during startup file, checking whether index file end content is preserve label after abnormal closedown, if not, then triggered inquiries submodule;
Whether inquiry submodule, recover file for inquiry, if so, then triggers and call submodule;
Call submodule, for the storage order according to described index file identification information, from file command storehouse, call corresponding operational order successively;
Operator module, for based on data message corresponding in the described operational order called and described index file, performs computing to original document successively, obtains the file before abnormal closedown.
6. device as claimed in claim 5, is characterized in that, also comprise:
Logging modle, for when performing formal preservation operation, recording one and preserving label in described index file, and described preservation label comprises the described Time of Day preserving operation of execution;
Described recovery module comprises:
Newly-built submodule, for setting up a new file;
Representing submodule, for when starting this new file, representing the Time of Day of all labels in described index file;
Call submodule, during for selecting one of them label user, according to the storage order of identification information before label selected in described index file, from file command storehouse, call corresponding operational order successively;
Operator module, for based on data message corresponding in the described operational order called and described index file, perform computing to described new file successively, be restored file.
7. device as claimed in claim 5, is characterized in that, described memory module, for when user executive editor operates, judges whether this operation affects file content, if so, then by the identification information of this operation, be stored to index file.
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| CN103034565A (en) * | 2012-12-05 | 2013-04-10 | 上海创图网络科技发展有限公司 | Disaster recovery method for large-scale 3D (three-dimensional) data edition period |
| CN107391309B (en) * | 2017-07-28 | 2022-06-10 | Tcl移动通信科技（宁波）有限公司 | Mobile terminal, factory-restoration pre-configuration processing method thereof and storage medium |
| CN109857999A (en) * | 2018-12-30 | 2019-06-07 | 广东一一五科技股份有限公司 | A kind of document drafts store method, device, electronic equipment and storage medium |
| CN109933556B (en) * | 2019-03-14 | 2021-08-13 | 北京字节跳动网络技术有限公司 | Method and apparatus for processing information |
| CN111078269A (en) * | 2019-07-19 | 2020-04-28 | 华控清交信息科技(北京)有限公司 | Version management method, version recovery method, editor, system and storage medium |
| CN114936387B (en) * | 2022-07-25 | 2022-11-29 | 深圳市明源云科技有限公司 | Text file reading method, text file writing method, electronic equipment and readable storage medium |
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| CN101034364A (en) * | 2007-04-02 | 2007-09-12 | 华为技术有限公司 | Method, device and system for implementing RAM date backup |
| CN101136783A (en) * | 2007-10-15 | 2008-03-05 | 中兴通讯股份有限公司 | Backup, recovery method and apparatus for network management system to configure data |
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