CN105653395B - Method and system for cloud filing and Backup Data conversion - Google Patents
Method and system for cloud filing and Backup Data conversion Download PDFInfo
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Abstract
The present invention discloses a kind of method and system for cloud filing and Backup Data conversion.The system includes an original disk storage device, an object storage facilities and a data conversion and virtualization modules.Data conversion and virtualization modules can convert an initial data of original disk storage device as a filing data, the filing data can have several objects, pointer, and data are set after one, and the filing data are stored into the object storage facilities by a storing mode, it includes an environmental information that data are set after above-mentioned.It waits until that object, pointer are set in data after since the driver for booting can be added in the present invention, when restoring the filing data, the filing data for not having power up function originally can be made directly to be switched on use, reach the purpose such as the reply of Backup Data system.
Description
Technical field
The present invention is especially a kind of to file for cloud about a kind of method and system for cloud service data conversion
With the method and system of Backup Data conversion.
Background technique
Traditionally, enterprise carries out data filing and data backup operation for different purposes.For example, according to business
Accounting law, every accounting voucher, accounting book and financial statement must file preservation different years according to its classification, to meet method
Enable the requirement checked with audit.And data backup is used for the data of all kinds, just in case operation host crashes, leads to the number of storage
According to loss, and the urgent need to these lost datas often just occurs.For both above different purpose systems, usually need
Plurality of data are stored into the various forms media of any Local or Remote from local side storage facilities.However, removing
Except purpose, difference between two kinds of systems further includes saving format, the urgency of recovery and the complexity restored.Logical
In normal situation, IT personnel must build data filing and data backup two systems simultaneously in enterprise.
Specifically, the two systems are respectively there are two the stage: the filing system of storage and the stage of restoring, and backup with it is extensive
The standby system in multiple stage.In storage stage in filing system, the data content in locally-stored device is converted to one and returns
Shelves format, with archives, the form of database, record or object exists, and is transmitted in the media of other Local or Remotes and grows
Phase storage.Even the media of the Local or Remote can be tape, digital multi videodisc, hard disk, be remote medias
Cloud storage facilities.There are many types for archive format, for example, DICOM format, TAR format, GZIP format etc..For standby
For part system, the data of backup can be snapshotted and be uploaded to the media of the Local or Remote.Data format is not limited to but usually
The format of similar initial data.When filing system operation is at the stage of restoring, it is original that the filing data of storage are gone back to when restoring
Format, and can be accessed by the similar host system of the host or system of script.If the storage stage of filing is base
It is carried out in archives, before the starting of the stage of restoring, needs to prepare identical operating system and operating environment.For in standby system
Restoration stage, restore to need to be more than the data lost, it is also desirable to which a kind of method returns to Missing data time point, and system is allowed to the greatest extent may be used
Smoothly continued operation and service can be provided.
When data are backed up in a storage facilities, it is carried out based on archives or disk block, usually it
It is to copy to remote storage equipment from locally-stored equipment on-line.The backup format that remote storage equipment uses should be with local storage
Deposit equipment use it is identical.Usually there is a storage management server for remote storage equipment, and locally-stored equipment end
A same or similar server is had, is receiving Backup Data online always.If Backup Data needs to restore, the storage
Depositing management server can play a role immediately.Such system needs very big bandwidth, especially for initial for the first time
It is synchronous.In addition, additional storage management server needs to cause very high cost in this way, do not meet cloud online standby
Calculate cost structure required for on-demand resource.
In order to solve the problem above-mentioned, there are some existing technologies for application.For example, U.S. Patent Application No.
No. 2011/0282844 can be used as a solution, the case disclose set after having data encapsulation a client-server it is more
Media filing system.Although described as being used for multimedia, but general general data can also be applied.The system is using a service
Device and the function library for being couple to the server.The server is for receiving the information filed by the one of client, the clothes
Device be engaged in an infologic subregion for keeping received information.Upon receiving this information, server is with correlation
The rear data that set of the information encapsulate the information, and store the information of the encapsulation in function library.It can include any that data are set after this
About the data of the packaging information, such as classification, use purpose, user.Because the information of storage is sorted out, when needing to restore
When, this is to be easy to find out wherein which of mass data to be restored.Meanwhile because target information can be in the short time
Inside be found and send back to a host, additional storage management server be not necessarily to for control restore program and meet it is on-demand and
Shi Huifu, but recovery time target can achieve.As for the storage stage of filing data, it is not usually anxious, and the number of information
According to can continuously be received by the function library or even the information of the filing is burnt in digital multi videodisc, the number is more
Function videodisc is used as storing the archive information to the media in function library.
However, above-mentioned technology remains problem.If the environment in client operating system changes, the number after restoring
According to may not be available.The rear data that set of encapsulation will not be helpful to environment different when restoring.Moreover, it can not utilize cloud
The advantages of framework, accomplishes the restoring and recovery of data, (does not have when especially applying to the cloud storage facilities of inexpensive object base
There is the demand of storage management server).
Summary of the invention
It is an object of the invention to overcome the above-mentioned problems in the prior art, provide it is a kind of for cloud filing with it is standby
The method and system of part data conversion.
In order to solve the problem above-mentioned, according to one embodiment of the present of invention, one kind is for cloud filing and Backup Data
The method of conversion, comprising the steps of: A. receives an initial data by an original disk storage device；B. the initial data is converted as one
File data, which has several objects, sets data after pointer, with one, and setting data after this includes an environmental information,
In every an object it is referenced by a pointer；And C. stores the filing data to an object storage facilities by a storing mode.
Preferably, which includes the system boot of the working environment of the original disk storage device, a host, and
The hardware equipment of the host, wherein the host accesses the original disk storage device.The object is a disk region block number
According to or an archives.The filing data are its original form before step C, or by de-redundant, compression, or encryption.Pass between object
System is stored in the pointer and sets in data with after, and storing mode above-mentioned stores the filing number integrally or in a manner of groups of objects group
According to.The storing mode can be uploaded to upload via network, via local area network, be uploaded via Wide Area Network, or be output to number
In multifunction laser optic disk, send with charge free at where the digital multi videodisc to object storage facilities, and it is more to input the number
The content of function videodisc is into the object storage facilities.
A method of filing data as described above for restoring, comprising the steps of: D. is received by the object storage facilities
The filing data；E. a starting information of the original disk storage device being not included in the environmental information after step A is searched,
Or it is not included in the starting information of the target disk storage device in the environmental information；F. increase aforementioned starting information to after this
If in data, pointer or object；And G. is restored and is restored the filing data to the original disk storage device or the target disk
In storage device.And the starting information includes the system boot of the working environment of the original disk storage device, a host, and should
The hardware equipment of host, wherein the host accesses the original disk storage device.
According to another embodiment of the invention, a kind of system for cloud filing and Backup Data conversion includes: one
Original disk storage device, for storing data；An object storage facilities, for storing data, which is the shape of an object
Formula, have one it is relevant after set data and a unique identifier；And data conversion and a virtualization modules, it is come from for receiving
One initial data of one original disk storage device converts the initial data into a filing data, and by storing mode storage
For the filing data to the object storage facilities, which sets data after having several objects, pointer, with one, sets number after this
According to comprising an environmental information, every an object is referenced by a pointer.
Data conversion above-mentioned and virtualization modules further receive filing data from the object storage facilities, search
The original disk storage device being not included in after the initial data is sent out by original disk storage device in the environmental information
A starting information, or the target disk storage device that is not included in the environmental information starting information, increase the starting
Information is to setting in data, pointer or object after this, and restores the filing data to the original disk storage device or the target magnetic
In disk storage device.Target disk storage device storage data are optionally restored with the data conversion with virtualization modules
The filing data are into the target disk storage device.Working environment of the environmental information comprising the original disk storage device,
The system boot of one host and the hardware equipment of the host, wherein the host accesses the original disk storage device.It should
Object is a disk block data or an archives, which is its original shape before being stored into the object storage facilities
Formula, or by de-redundant, compression, or encryption.Relationship between object is stored in the pointer and sets in data with after.The storing mode is integrally
Or the filing data are stored in a manner of groups of objects group, and storing mode above-mentioned is to upload, via network via in local area network
It passes, uploaded via Wide Area Network, or be output to digital multi videodisc, send the digital multi videodisc with charge free to object
At where storage facilities, and the content of the digital multi videodisc is inputted into the object storage facilities.
Conceive according to the present invention, the data conversion and virtualization modules can be a separate server, or be installed on original magnetic
Software in disk storage device or the application server for being connected to the original disk storage device.
The present invention takes the advantages of cloud storage facilities and framework, from filing in the works solve standby system backup with it is extensive
Multiple problem provides unified method and comes while reaching filing and backup, and reduces cost and increase flexibility.
Detailed description of the invention
Fig. 1 is according to a kind of schematic diagram for cloud filing and Backup Data converting system of the present invention.
Fig. 2 illustrates the data structure for filing data.
Fig. 3 is according to a kind of flow chart for system archiving phase of the present invention.
Fig. 4 is according to a kind of flow chart for restoring the stage for system of the present invention.
Fig. 5 is according to a kind of another schematic diagram for cloud filing and Backup Data converting system of the present invention.
Fig. 6 is according to a kind of another schematic diagram for cloud filing and Backup Data converting system of the present invention.
Description of symbols: 10- system；100- host；101- host；20- system；210- original disk storage device；
220- data conversion and virtualization modules；230- object storage facilities；240- target disk storage device；30- system；300- net
Network；400- digital multi videodisc；Data are set after M-；P1~P3- index；O1~O5- object.
Specific embodiment
The present invention will be more specifically described by referring to following embodiment.
The 1st figure is please referred to, disclosure is according to a kind of system 10 converted for cloud filing with Backup Data of the invention
Embodiment.System 10 includes an original disk storage device 210, an object storage facilities 230, with a data conversion and virtualization
Module 220.In fact, system 10 can have several original disk storage devices 210, object storage facilities 230 or data conversion
With virtualization modules 220, so that data filing or backup can be implemented in an object storage facilities 230, and object above-mentioned is stored up
Depositing equipment 230 can be used for the demand from any original disk storage device 210.It can be understood that having some equipment or function
It can be between original disk storage device 210 and data conversion and virtualization modules 220, or in object storage facilities 230 and data
It is for simplicity purposes of illustration omitted between conversion and virtualization modules 220.These equipment or function can be a server,
Running is to manage the data of filing or backup or the mode of data-interface.Difference between filing and backup depends on data storage
When required completion time and the purpose that restores of data.In system 10, the operating mechanism for filing or backing up is identical
's.Spirit of the invention is defining a kind of method, and for converting and restoring filing data, and this method can complete standby system
Backup and recovery tasks.
Original disk storage device 210 be used to store data.In general, original disk storage device 210 be used to store
Under local area network (SAN) environment, data are stored in volume or block therebetween.Original disk storage device 210 may be connected to one
Host 100 (application server).Host 100 accesses the original disk storage device 210, in order to provide necessary data, such as
Crossfire film provided by stream server.
Object storage facilities 230 exists for storing data with object form.Every an object with one it is relevant after set
Data and a unique identifier.According to the definition of general object storage facilities, after to set data be the data for storing data.
For example, set that data are defined by creating the object and include about data what are, it should be used for where, its secret after
The semantics information of property or other related data usage modes.However, according to the present invention, after set data content it is without being limited thereto, this
Point by rear detailed description.Because system 10 is a cloud architecture, data are transferred through network 300.Network 300 can also be with
For replaced local area network or Wide Area Network, as long as the framework meets remote archive or backup.
Data conversion and virtualization modules 220 are emphasis of the invention.It is stored in the filing of original disk storage device 210
Stage, data conversion and virtualization modules 220 can receive the initial data from an original disk storage device 210, convert
The initial data is a filing data, and by a storing mode, stores the filing data into object storage facilities 230, preceding
The filing data stated set data after having several objects, pointer and one.Initial data may include several archives, can be one
Database, or the snapshot of only original disk storage device 210.Filing data has the format different from initial data.In addition to
Above-mentioned content, the rear data that set founded from data conversion and virtualization modules 220 include an environmental information.The environmental information
It include, but are not limited to, the working environment of original disk storage device 210, the system boot of the host 100 and the host 100
The hardware equipment, the host 100 access original disk storage device 210.Working environment refers to existing when the initial data
When in original disk storage device 210, the installing of any software or operating system.
Storing mode is to upload the filing data to be stored via network 300.If network 300 changes into the present embodiment
Local area network or Wide Area Network, storing mode are exactly distinctly to upload via local area network or upload via Wide Area Network.Storage side
Formula can be used to integrally storage (in the present embodiment, or to upload) the filing data, can also be with dispersed objects for several groups
Group stores those groups in parallel to reduce transmission time.
The data structure of the filing data of transmission is as shown in Fig. 2.Filing data include one after set data M, pointer P1,
P2, with P3 and several objects.Index P1, P2, being connected respectively at least one object with P3, (pointer P1 is connected to object O1, pointer
P2 is connected to object O2 and O3, and pointer P3 is connected to object O4 and O5).Object can be a disk block data, an archives, or
The composition form of other data.
If the filing data in object storage facilities 230 are wanted to restore to original disk storage device 210, carry out extensive
It is multiple, that is to say, that in the stage of restoring, data conversion and virtualization modules 220 can be acted on to receive from object storage facilities 230
Filing data, search the initial data by original disk storage device 210 send out after be not included in the environmental information
Original disk storage device a starting information, increase starting information and set after in data, pointer or object, and last return
It deposits this and the filing data for starting information has been added into original disk storage device 210.The content of starting information, which can cover, does not wrap
The working environment of the original disk storage device 210 in environmental information, the system boot of host 100 are included, with the host 100
The hardware equipment, wherein the host 100 accesses the original disk storage device 210.
For example, if the operating system for original disk storage device 210 is set in filing data storage in object storage
It being changed during standby 230, the new operating system update module for booting is found by data conversion and virtualization modules 220,
And then new object can be packaged into.When Radix Angelicae Sinensis file data restores, which is connected in display original disk storage device 210
Position a pointer.Therefore, data are set after will be modified and including the relevant information of the update module.Because only one
The necessary object of part needs to be coupled with new object first to restore again, with for the running that is switched on, the mode of the processing of system 10 is very just
Restore in time in operation.The object for being only filing data redundancy after connecting the necessary object.To this part, it is in operation
After system booting or the running of certain major functions, remaining object can be sent to data conversion and virtualization modules 220, to be used for
It is whole to resume operation.Then, archives or disk block can be assigned to host 100.
Clearly as servo host 100 has operating system and booting ability, and service, data are opened after starting
Directly it can be accessed and use after recovery.It resumes operation however, being not necessarily the only the origin host 100 and being able to satisfy, Ling Yizhu
Machine 101 can also do same work, and the host 101 can be a virtual machine.When object storage facilities is located at cloud,
Cloud service supplier can simply provide the virtual machine in its framework, and in a manner of facilitating low cost, complete in time
Data restore and the service of opening.
The other filings of this achievement or standby system can not be reached.The significant benefit that this system 10 can provide is branch
Hold any change about system boot, also can by utilize storage facilities itself and virtual machine, support this be used for back up with it is extensive
Multiple cloud architecture.It should be noted that the filing data can before being stored into object storage facilities 230 by de-redundant, compression, or
Encryption, to save space or meet security consideration.Certain objects in filing data can be associated.Between object
Relationship is stored in pointer and sets in data with after.Most important, in the present embodiment, data conversion and virtualization modules 220 are one
Platform separate server.In implementation, software or be connected to original disk that it can be mounted in original disk storage device 210
The host 100 (application server) of storage device 210, what the present invention did not limit.
In an example in this embodiment, if operating system does not change, data conversion and virtualization modules 220 can restore former
Beginning disc storage device 210 and previously striking resemblances.The space that filing data restore can be entity space, be also possible to virtual
Disk.Entity space may have different sizes from the imaginary space.In another example, filing data only include archives.It is logical
Later data are set, it is known that the native operating system and archives economy for original disk storage device 210 are Windows
XP and NTFS.Data conversion can increase Windows XP archives relevant with NTFS format to virtualization modules 220 and set number after
According in, pointer or object, so that the disc storage device 210 after restoring has power up function rather than is only original filing data
The archives of middle storage.On the other hand, if there is others support data and operating system image file in object storage facilities 230
In, these data and archives may be a kind of starting information, can be added in the object of filing data to be restored.If former
Beginning disc storage device 210 has been a system disk, and host 100 needs to install certain original existing drives of not installation
Dynamic program or host 100 are a virtual machines, and data conversion and virtualization modules 220 can increase these hardware drive programs
Or booting driver uses, so that system can be with normal boot-strap into the object of filing for virtual machine.
In summary, if system 10 is used for data filing or backup, process is as follows.Please refer to the 3rd figure.Data conversion
The initial data (S01) from original disk storage device 210 is received with virtualization modules 220.Then, data conversion and void
220 handover raw data of quasi-ization module is filing data, which sets data after having several objects, pointer, with one, and
It includes an environmental information (S02) that data are set after this.Every an object is referenced by a pointer.Finally, data conversion and virtual
Change module 220 by the storing mode, storage filing data to object storage facilities 230 (S03).Filing data can be in step
De-redundant, compression before S03, or encryption.If system 10 restores or restores for data, its step are as follows.Please refer to the 4th figure.Number
The filing data (S04) from object storage facilities 230 are received according to conversion and virtualization modules 220.Data conversion and virtualization
Module 220 searches a starting information of original disk storage device 210, which is not included in environment after step S01
In information (S05).Data conversion and virtualization modules 220 increase the starting information and are set in data, pointer or object after
(S06).Finally, data conversion and virtualization modules 220 restore the filing data (S07) into original disk storage device 210.
5th figure is the schematic diagram according to the present invention, for cloud filing and a system 20 of Backup Data converting system.It is logical
Cross using identical component in preceding embodiment, wherein component have the function of identical number its is identical, the present embodiment is further
Including a target disk storage device 240.The filing data of storage will be stored back into target disk storage device 240.Target magnetic
Disk storage device 240 can store data.In fact, data conversion and virtualization modules 220 can optionally restore the filing number
According into target disk storage device 240 or original disk storage device 210.It is noted that in restoring and Restoration stage, data energy
It is stored back into target disk storage device 240, rather than original disk storage device 210.Under entire cloud environment, build very much
It discusses in the cloud storage facilities provided by cloud service quotient.The aforementioned virtual machine provided by cloud service quotient is matched, entirely
The restoring recovery of filing and backup can be completed beyond the clouds simultaneously, not only quick but also meet economic benefit.
According to the present invention, it is similar to for restoring and restore filing data to the process of target disk storage device 240 extensive
The process of original disk storage device 210 is arrived again, and difference is only that step S05 and S07.Modified step S05' should be data
A starting information of target disk storage device 240 is searched in conversion with virtualization modules 220, which is not included in environment
In information.Modified step S07' should be data conversion and virtualization modules 220 restore filing data and store to target disk
Device 240.Thus, in object, pointer, target disk storage device 240 can be made with the rear starting information supplemented in data that sets
Running is as original disk storage device 210.
Please refer to the 6th figure.6th figure is the system according to the present invention, for cloud filing and Backup Data converting system
30 schematic diagram.System 30 is identical as system 10, and the 6th figure is presented unique difference and is stored into filing data without network 300
Object storage facilities 230 (restores process and uses network 300).On the contrary, filing data are output to a digital multi laser video
In disk 400.The digital multi videodisc 400 is standby send object storage facilities 230 with charge free where, i.e. object storage facilities
The job site of 230 managers.The manager inputs the content of digital multi videodisc 400 to object storage facilities 230
In.Certainly, flash memory storage dish can also be used to replace digital multi videodisc 400.
Although the present invention is disclosed as above with embodiment, however, it is not to limit the invention, any affiliated technology neck
Have usually intellectual in domain, without departing from the spirit and scope of the present invention, when can make some changes and embellishment, therefore this
The protection scope of invention should be defined by the scope of the appended claims.
Described above to be merely exemplary for the purpose of the present invention, and not restrictive, those of ordinary skill in the art understand,
In the case where not departing from the as defined in the appended claims spirit and scope of the present invention, many modifications can be made, are changed, or wait
Effect, but fall in protection scope of the present invention.
Claims (19)
1. a kind of method for cloud filing and Backup Data conversion, which is characterized in that include step:
A. the initial data from an original disk storage device is received by a data conversion and virtualization modules；
B. the initial data is converted into a filing data by the data conversion and virtualization modules, which has several
Data are set after object, pointer, with one, it includes an environmental information that data are set after this, wherein every an object is joined by a pointer
According to；
C. the filing data are stored to an object storage facilities by a storing mode,
Wherein the data conversion and virtualization modules store a starting information in advance, in order to not include the original in the environmental information
When the relevant starting information of beginning disc storage device or a target disk storage device, set after which is increased to this
In data, pointer or object, for executing recovery and opening program in the data conversion and virtualization modules.
2. the method as described in claim 1, which is characterized in that the environmental information includes the work of the original disk storage device
The hardware equipment of environment, the system boot of a host and the host, wherein the host deposits the original disk storage device
It takes.
3. the method as described in claim 1, which is characterized in that the object is a disk block data or an archives.
4. the method as described in claim 1, which is characterized in that the filing data are its original form before step C, or by
De-redundant, compression, or encryption.
5. the method as described in claim 1, which is characterized in that the relationship between object is stored in the pointer and sets in data with after.
6. the method as described in claim 1, which is characterized in that the storing mode stores this integrally or in a manner of groups of objects group
File data.
7. the method as described in claim 1, which is characterized in that the storing mode is to upload, via network via local area network
It uploads, uploaded via Wide Area Network, or be output in digital multi videodisc, send the digital multi videodisc with charge free and arrive
At where object storage facilities, and the content of the digital multi videodisc is inputted into the object storage facilities.
8. a kind of method for restoring to file data as described in claim 1, which is characterized in that include step:
D. the filing data are received by the object storage facilities；
E. judge whether after step A include the original disk storage device or the target disk storage device in the environmental information
Relevant starting information；
It F. does not include the original disk storage device or the relevant starting letter of the target disk storage device in the environmental information
When breath, which is increased to after this and is set in data, pointer or object；And
G. it restores and restores the filing data into the original disk storage device or the target disk storage device.
9. method according to claim 8, which is characterized in that the starting information includes the work of the original disk storage device
The hardware equipment of environment, the system boot of a host and the host, wherein the host deposits the original disk storage device
It takes.
10. it is a kind of for cloud filing with Backup Data conversion system, characterized by comprising:
One original disk storage device, for storing data；
An object storage facilities, for storing data, the data be an object form, have one it is relevant after set data and one
Unique identifier；And
One data conversion and virtualization modules, for receiving an initial data from an original disk storage device, conversion should
Initial data is a filing data, and stores the filing data to the object storage facilities, the filing data by a storing mode
Setting data with setting data after several objects, pointer, with one, after this includes an environmental information,
Wherein every an object is referenced by a pointer.
11. system as claimed in claim 10, which is characterized in that the data conversion is further received with virtualization modules and come from
The filing data of the object storage facilities, search are not included in this after the initial data is sent out by original disk storage device
One starting information of the original disk storage device in environmental information, or the target disk storage being not included in the environmental information
The starting information of cryopreservation device increases the starting information to setting in data, pointer or object after this, and restores the filing data and arrive
In the original disk storage device or the target disk storage device.
12. system as claimed in claim 11, which is characterized in that the target disk storage device stores data and the data turn
It changes and optionally restores the filing data with virtualization modules into the target disk storage device.
13. system as claimed in claim 10, which is characterized in that the environmental information includes the work of the original disk storage device
Make the hardware equipment of environment, the system boot of a host and the host, wherein the host carries out the original disk storage device
Access.
14. system as claimed in claim 10, which is characterized in that the object is a disk block data or an archives.
15. system as claimed in claim 10, which is characterized in that the filing data are before being stored into the object storage facilities
It is its original form, or by de-redundant, compression, or encryption.
16. the system as described in claim 10, which is characterized in that the relationship between object is stored in the pointer and sets data with after
In.
17. system as claimed in claim 10, which is characterized in that the storing mode stores integrally or in a manner of groups of objects group
The filing data.
18. system as claimed in claim 10, which is characterized in that the storing mode is to upload, via network via local area network
Network is uploaded, is uploaded via Wide Area Network, or is output to digital multi videodisc, is sent the digital multi videodisc with charge free and is arrived
At where object storage facilities, and the content of the digital multi videodisc is inputted into the object storage facilities.
19. system as claimed in claim 10, which is characterized in that the data conversion is a stand-alone service with virtualization modules
Device, or the software being installed in original disk storage device or the application server for being connected to the original disk storage device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410720964.3A CN105653395B (en) | 2014-12-02 | 2014-12-02 | Method and system for cloud filing and Backup Data conversion |
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|---|---|---|---|
| CN201410720964.3A CN105653395B (en) | 2014-12-02 | 2014-12-02 | Method and system for cloud filing and Backup Data conversion |
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| CN105653395B true CN105653395B (en) | 2019-01-11 |
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| CN110989927B (en) * | 2019-11-11 | 2024-03-01 | 宜鼎国际股份有限公司 | Data storage device with self-access file data capability |
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| CN103942124A (en) * | 2014-04-24 | 2014-07-23 | 深圳市中博科创信息技术有限公司 | Method and device for data backup |
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| CN103942124A (en) * | 2014-04-24 | 2014-07-23 | 深圳市中博科创信息技术有限公司 | Method and device for data backup |
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