CN107454161A - A kind of data back up method and device - Google Patents
A kind of data back up method and device Download PDFInfo
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- CN107454161A CN107454161A CN201710638965.7A CN201710638965A CN107454161A CN 107454161 A CN107454161 A CN 107454161A CN 201710638965 A CN201710638965 A CN 201710638965A CN 107454161 A CN107454161 A CN 107454161A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1095—Replication or mirroring of data, e.g. scheduling or transport for data synchronisation between network nodes
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/14—Error detection or correction of the data by redundancy in operation
- G06F11/1402—Saving, restoring, recovering or retrying
- G06F11/1446—Point-in-time backing up or restoration of persistent data
- G06F11/1448—Management of the data involved in backup or backup restore
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Abstract
The embodiment of the present application provides a kind of data back up method and device, by determining data to be backed up；The multiple data blocks being divided into based on the data to be backed up, determine the incremental data in the data to be backed up, and the incremental data includes at least one data block in the multiple data block；Storage location corresponding with the data to be backed up in high in the clouds is determined, the mode for the storage location that the incremental data is backed up in the high in the clouds, ensure that on the basis of data backup efficiency is improved, realize the purpose of high in the clouds data backup.
Description
Technical field
The application is related to memory system technologies field, more particularly to a kind of data back up method and device.
Background technology
With the fast development of cloud, the application of high in the clouds data backup within the storage system is also more and more extensive, makes number
According to security obtained bigger guarantee.
Prior art is when carrying out high in the clouds data backup, typically by specified data full backup to high in the clouds, due to sometimes
We have only changed a bit relative to the data of last revision, and are still to all data full backups when backuping again, from
And make it that BACKUP TIME is all very long each time, backup efficiency is low.
In view of this, there is provided a kind of data back up method and device, be urgently to be resolved hurrily ask to improve data backup efficiency
Topic.
The content of the invention
In view of this, the embodiment of the present application provides a kind of data back up method and device, to improve data backup efficiency.
To achieve these goals, the technical scheme that the embodiment of the present application provides is as follows：
A kind of data back up method, including：
Determine data to be backed up；
The multiple data blocks being divided into based on the data to be backed up, determine the incremental number in the data to be backed up
According to the incremental data includes at least one data block in the multiple data block；
Storage location corresponding with the data to be backed up in high in the clouds is determined, the incremental data is backed up into the high in the clouds
In the storage location.
Preferably, the multiple data blocks being divided into based on the data to be backed up, determine the data to be backed up
In incremental data, including：
Determine the Data Identification identical data carried with the data to be backed up whether are stored with high in the clouds；
If so, in each data of Data Identification identical carried with the data to be backed up stored in determination high in the clouds most
A new stored data；
Multiple data blocks that the data block division rule that the data to be backed up are predetermined is divided into are determined, relative to institute
Variance data block between multiple data blocks that the data of determination are divided into by the data block division rule；
Identified variance data block is defined as incremental data；
If it is not, the data to be backed up are defined as difference by multiple data blocks that the data block division rule is divided into
Different data block, and the variance data block is defined as incremental data.
Preferably, in addition to：
Generate the message bit pattern of the data to be backed up, institute's bitmap information includes at least one label information, it is described extremely
A few label information corresponds with multiple data blocks that the data to be backed up are divided into by the data division rule；
Multiple data blocks that the data block division rule for determining that the data to be backed up are predetermined is divided into, relatively
Variance data block between multiple data blocks that identified data are divided into by the data block division rule, including：
The message bit pattern of data determined by acquisition, the message bit pattern of identified data, which includes at least one mark, to be believed
Breath, multiple data blocks one that at least one label information is divided into identified data by the data division rule
One correspondence；
Compare the message bit pattern of the data to be backed up and the message bit pattern of identified data, obtain variance data block.
Preferably, in addition to：
For the label information setting change corresponding with the variance data block in the message bit pattern of the data to be backed up
Mark.
Preferably, storage location corresponding with the data to be backed up in the determination high in the clouds, the incremental data is standby
Part to the storage location in the high in the clouds, including：
Newly-built file corresponding with the data to be backed up in beyond the clouds, and the incremental data is backed up into the cloud
In the file in end.
A kind of data backup device, including：
Data determination unit to be backed up, for determining data to be backed up；
Incremental data determining unit, for the multiple data blocks being divided into based on the data to be backed up, it is determined that described
Incremental data in data to be backed up, the incremental data include at least one data block in the multiple data block；
Backup units, for determining storage location corresponding with the data to be backed up in high in the clouds, by the incremental data
The storage location backed up in the high in the clouds.
Preferably, the incremental data determining unit, including：
First determining unit, for determining the Data Identification phase carried with the data to be backed up whether is stored with high in the clouds
Same data；
Second determining unit, for if so, determining the Data Identification carried with the data to be backed up stored in high in the clouds
A newest stored data in each data of identical；
3rd determining unit, for determining that it is more that data block division rule that the data to be backed up are predetermined is divided into
Individual data block, the difference between the multiple data blocks being divided into relative to identified data by the data block division rule
Data block；
4th determining unit, for identified variance data block to be defined as into incremental data；
5th determining unit, for if it is not, the data to be backed up are divided into by the data block division rule
Multiple data blocks are defined as variance data block, and the variance data block is defined as into incremental data.
Preferably, in addition to：
Message bit pattern generation unit, for generating the message bit pattern of the data to be backed up, institute's bitmap information is included extremely
A few label information, at least one label information are divided into the data to be backed up by the data division rule
Multiple data blocks correspond；
3rd determining unit, including：
Acquiring unit, for obtaining the message bit pattern of identified data, the message bit pattern of identified data is included extremely
A few label information, what at least one label information was divided into identified data by the data division rule
Multiple data blocks correspond；
3rd determination subelement, believe for the message bit pattern of the data to be backed up and the bitmap of identified data
Breath, obtains variance data block.
Preferably, in addition to：
Setting unit, for mark corresponding with the variance data block in the message bit pattern for the data to be backed up
Information setting change identifies.
Preferably, the backup units, are specifically used for：
Newly-built file corresponding with the data to be backed up in beyond the clouds, and the incremental data is backed up into the cloud
In the file in end.
The embodiment of the present application provides a kind of data back up method and device, by determining data to be backed up；Treated based on described
Multiple data blocks that Backup Data is divided into, determine the incremental data in the data to be backed up, and the incremental data includes
At least one data block in the multiple data block；Storage location corresponding with the data to be backed up in high in the clouds is determined, will
The mode for the storage location that the incremental data is backed up in the high in the clouds, it ensure that and improving the base of data backup efficiency
On plinth, the purpose of high in the clouds data backup is realized.
Brief description of the drawings
, below will be to embodiment or existing in order to illustrate more clearly of the embodiment of the present application or technical scheme of the prior art
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments described in application, for those of ordinary skill in the art, on the premise of not paying creative work,
Other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of data back up method flow chart that the embodiment of the present application provides；
Fig. 2 is a kind of multiple data blocks being divided into based on the data to be backed up that the embodiment of the present application provides, really
The method flow diagram of incremental data in the fixed data to be backed up；
The data block division rule institute that Fig. 3 is predetermined for a kind of determination data to be backed up that the embodiment of the present application provides
The multiple data blocks being divided into, the multiple data blocks being divided into relative to identified data by the data block division rule
Between variance data block method flow diagram；
Fig. 4 is a kind of structural representation for data backup device that the embodiment of the present application provides.
Embodiment
In order that those skilled in the art more fully understand the technical scheme in the application, it is real below in conjunction with the application
The accompanying drawing in example is applied, the technical scheme in the embodiment of the present application is clearly and completely described, it is clear that described implementation
Example only some embodiments of the present application, rather than whole embodiments.It is common based on the embodiment in the application, this area
The every other embodiment that technical staff is obtained under the premise of creative work is not made, it should all belong to the application protection
Scope.
Embodiment：
Fig. 1 is a kind of data back up method flow chart that the embodiment of the present application provides.
As shown in figure 1, this method includes：
S101, determine data to be backed up；
Optionally, a kind of data back up method that the embodiment of the present application provides is applied to local datastore system, local
Data-storage system can be used for storing data to be backed up, and based on a kind of data back up method that the embodiment of the present application provides by institute
Data storage to be backed up is stated to high in the clouds.
S102, the multiple data blocks being divided into based on the data to be backed up, determine the increasing in the data to be backed up
Data are measured, the incremental data includes at least one data block in the multiple data block；
Optionally, data block division rule is previously provided with, by the data block division rule by the number to be backed up
According to being divided into multiple data blocks.
In the embodiment of the present application, it is preferred that the data block division rule includes：The data to be backed up are drawn successively
It is divided into multiple equal-sized data blocks, the size of each data block is being deposited with the local volume in local datastore system
The size for storing up the data block divided data into during data is identical.It is only the preferred embodiment that the embodiment of the present application provides above,
Inventor can arbitrarily set data block division rule according to the demand of oneself, then this is not limited.
S103, storage location corresponding with the data to be backed up in high in the clouds is determined, the incremental data is backed up into institute
State the storage location in high in the clouds.
Fig. 2 is a kind of multiple data blocks being divided into based on the data to be backed up that the embodiment of the present application provides, really
The method flow diagram of incremental data in the fixed data to be backed up.
As shown in Fig. 2 this method includes：
S201, determine the Data Identification identical data carried with the data to be backed up whether are stored with high in the clouds；If
It is to perform step S202；If it is not, perform step S205；
Optionally, the Data Identification of two data carryings is identical shows that the two data are the same data of different editions；
Such as the Data Identification that the data A of first version is carried, and, the second edition obtained after being updated to the data A of first version
The Data Identification that this data A is carried is identical.
In S202, each data of Data Identification identical carried with the data to be backed up for determining to store in high in the clouds most
A new stored data；
Optionally, each data of Data Identification identical carried with the data to be backed up stored in high in the clouds are determined,
And from identified each data choose a newest stored data, as stored in identified high in the clouds with it is described
A newest stored data in each data of Data Identification identical that data to be backed up carry.
S203, determine multiple data blocks that the data block division rule that the data to be backed up are predetermined is divided into, phase
Variance data block between the multiple data blocks being divided into for identified data by the data block division rule；
Optionally, multiple data blocks that the data block division rule that the data to be backed up are predetermined is divided into are determined；
It is determined that multiple data blocks that identified data are divided into by the data block division rule；And determine the data to be backed up
The variance data block for multiple data blocks that the multiple data blocks being divided into are divided into relative to identified data.
For example based on the data block division rule, data to be backed up are divided into continuous 5 data blocks, by institute
The data of determination have been divided into continuous 5 data blocks, and 5 continuous data blocks that data to be backed up are divided into are true with institute
5 each data blocks that fixed data are divided into are compared, and the data in 2-3 block data blocks are different, therefore, by data to be backed up
In 2-3 block data blocks be defined as variance data block.
S204, identified variance data block is defined as incremental data；
S205, the data to be backed up are defined as difference by multiple data blocks that the data block division rule is divided into
Different data block, and the variance data block is defined as incremental data.
Optionally, step S205 illustrates data to be backed up generally incremental data.
Further, a kind of data back up method that the embodiment of the present application provides also includes：Generate the data to be backed up
Message bit pattern, institute's bitmap information includes at least one label information, at least one label information with it is described to be backed up
Multiple data blocks that data are divided into by the data division rule correspond.
For example data to be backed up are divided into 3 pieces, data block 1, data block 2 and data block 3 are followed successively by；Generate to be backed up
The message bit pattern of data, institute's bitmap information include three label informations, are followed successively by label information 1, label information 2 and mark letter
Breath 3, wherein, label information 1 is corresponding with data block 1, and label information 2 is corresponding with data block 2, and label information 3 and data block 3 are right
Should.
Accordingly, Fig. 3 draws for the data block that a kind of determination data to be backed up that the embodiment of the present application provides are predetermined
Multiple data blocks that divider is then divided into, it is divided into relative to identified data by the data block division rule more
The method flow diagram of variance data block between individual data block.
As shown in figure 3, this method includes：
The message bit pattern of data, the message bit pattern of identified data include at least one mark determined by S301, acquisition
Remember information, multiple data that at least one label information is divided into identified data by the data division rule
Block corresponds；
The message bit pattern of data to be backed up described in S302, comparison and the message bit pattern of identified data, obtain difference number
According to block.
For example, data to be backed up are divided into 3 pieces, data block 11, data block 12 and data block 13 are followed successively by；Generation is treated standby
The message bit pattern of part data, institute's bitmap information include three label informations, are followed successively by label information 11, label information 12 and mark
Remember information 13, wherein, label information 11 is corresponding with data block 11, and label information 12 is corresponding with data block 12, label information 13 and
The correspondence of data block 13；
Identified data are also to be divided into 3 pieces, are followed successively by data block 21, data block 22 and data block 23；Generation institute
The message bit pattern of the data of determination, institute's bitmap information include three label informations, are followed successively by label information 21, label information 22
With label information 23, wherein, label information 21 is corresponding with data block 21, and label information 22 is corresponding with data block 22, label information
23 is corresponding with data block 23；
If it was found that data block 12 corresponding to label information 12 is different from data block 22 corresponding to label information 22, it is determined that number
The multiple data blocks being divided into according to block 22 for multiple data blocks that data to be backed up are divided into relative to identified data
Variance data block.
Further, a kind of data back up method that the embodiment of the present application provides also includes：For the data to be backed up
Label information setting change corresponding with variance data block mark in message bit pattern.
Optionally, believed by mark corresponding with the variance data block in the message bit pattern for the data to be backed up
Cease setting change mark, in order to user based on the setting in message bit pattern have altered mark label information to message bit pattern pair
The variance data block answered is determined.
In the embodiment of the present application, it is preferred that storage location corresponding with the data to be backed up in the determination high in the clouds,
The storage location that the incremental data is backed up in the high in the clouds, including：The newly-built and number to be backed up in beyond the clouds
Backed up to according to corresponding file, and by the incremental data in the file in the high in the clouds.
More than be only storage location corresponding with the data to be backed up in the determination high in the clouds that the embodiment of the present application provides,
The preferred embodiment for the storage location that the incremental data is backed up in the high in the clouds, specifically, inventor can be according to certainly
Oneself demand, which is arbitrarily set, determines storage location corresponding with the data to be backed up in high in the clouds, and the incremental data is backed up to
The implementation of the storage location in the high in the clouds, then this does not limit.
The embodiment of the present application provides a kind of data back up method, by determining data to be backed up；Based on the number to be backed up
According to the multiple data blocks being divided into, the incremental data in the data to be backed up is determined, the incremental data includes described more
At least one data block in individual data block；Storage location corresponding with the data to be backed up in high in the clouds is determined, by the increasing
The mode of the storage location in data backup to the high in the clouds is measured, ensure that on the basis of data backup efficiency is improved,
Realize the purpose of high in the clouds data backup.
Fig. 4 is a kind of structural representation for data backup device that the embodiment of the present application provides.
As shown in figure 4, the device includes：
Data determination unit 41 to be backed up, for determining data to be backed up；
Incremental data determining unit 42, for the multiple data blocks being divided into based on the data to be backed up, determine institute
The incremental data in data to be backed up is stated, the incremental data includes at least one data block in the multiple data block；
Backup units 43, for determining storage location corresponding with the data to be backed up in high in the clouds, by the incremental number
According to the storage location backed up in the high in the clouds.
Optionally, the incremental data determining unit, including：
First determining unit, for determining the Data Identification phase carried with the data to be backed up whether is stored with high in the clouds
Same data；
Second determining unit, for if so, determining the Data Identification carried with the data to be backed up stored in high in the clouds
A newest stored data in each data of identical；
3rd determining unit, for determining that it is more that data block division rule that the data to be backed up are predetermined is divided into
Individual data block, the difference between the multiple data blocks being divided into relative to identified data by the data block division rule
Data block；
4th determining unit, for identified variance data block to be defined as into incremental data；
5th determining unit, for if it is not, the data to be backed up are divided into by the data block division rule
Multiple data blocks are defined as variance data block, and the variance data block is defined as into incremental data.
Further, a kind of data backup device that the embodiment of the present application provides, in addition to：Message bit pattern generation unit,
For generating the message bit pattern of the data to be backed up, institute's bitmap information includes at least one label information, and described at least one
Individual label information corresponds with multiple data blocks that the data to be backed up are divided into by the data division rule；
3rd determining unit, including：
Acquiring unit, for obtaining the message bit pattern of identified data, the message bit pattern of identified data is included extremely
A few label information, what at least one label information was divided into identified data by the data division rule
Multiple data blocks correspond；
3rd determination subelement, believe for the message bit pattern of the data to be backed up and the bitmap of identified data
Breath, obtains variance data block.
Further, a kind of data backup device that the embodiment of the present application provides, in addition to：Setting unit, for for institute
State label information setting change corresponding with the variance data block mark in the message bit pattern of data to be backed up.
In the embodiment of the present application, it is preferred that the backup units, be specifically used for：In beyond the clouds it is newly-built with it is described treat it is standby
File corresponding to part data, and the incremental data is backed up in the file in the high in the clouds.
The embodiment of the present application provides a kind of data backup device, by determining data to be backed up；Based on the number to be backed up
According to the multiple data blocks being divided into, the incremental data in the data to be backed up is determined, the incremental data includes described more
At least one data block in individual data block；Storage location corresponding with the data to be backed up in high in the clouds is determined, by the increasing
The mode of the storage location in data backup to the high in the clouds is measured, ensure that on the basis of data backup efficiency is improved,
Realize the purpose of high in the clouds data backup.
Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.For device disclosed in embodiment
For, because it is corresponded to the method disclosed in Example, so description is fairly simple, related part is said referring to method part
It is bright.
It the above is only the preferred embodiment of the application, make skilled artisans appreciate that or realizing the application.It is right
A variety of modifications of these embodiments will be apparent to one skilled in the art, as defined herein general former
Reason can be realized in other embodiments in the case where not departing from spirit herein or scope.Therefore, the application will not
Be intended to be limited to the embodiments shown herein, and be to fit to it is consistent with principles disclosed herein and features of novelty most
Wide scope.
Claims (10)
- A kind of 1. data back up method, it is characterised in that including：Determine data to be backed up；The multiple data blocks being divided into based on the data to be backed up, determine the incremental data in the data to be backed up, institute Stating incremental data includes at least one data block in the multiple data block；Storage location corresponding with the data to be backed up in high in the clouds is determined, the incremental data is backed up in the high in the clouds The storage location.
- 2. according to the method for claim 1, it is characterised in that it is described be divided into based on the data to be backed up it is multiple Data block, the incremental data in the data to be backed up is determined, including：Determine the Data Identification identical data carried with the data to be backed up whether are stored with high in the clouds；If so, newest one in each data of Data Identification identical carried with the data to be backed up stored in determination high in the clouds Individual stored data；Multiple data blocks that the data block division rule that the data to be backed up are predetermined is divided into are determined, relative to being determined Multiple data blocks for being divided into by the data block division rule of data between variance data block；Identified variance data block is defined as incremental data；If it is not, the data to be backed up are defined as difference number by multiple data blocks that the data block division rule is divided into It is defined as incremental data according to block, and by the variance data block.
- 3. according to the method for claim 2, it is characterised in that also include：Generating the message bit pattern of the data to be backed up, institute's bitmap information includes at least one label information, and described at least one Individual label information corresponds with multiple data blocks that the data to be backed up are divided into by the data division rule；Multiple data blocks that the data block division rule for determining that the data to be backed up are predetermined is divided into, relative to institute Variance data block between multiple data blocks that the data of determination are divided into by the data block division rule, including：The message bit pattern of data determined by acquisition, the message bit pattern of identified data include at least one label information, institute State a pair of multiple data blocks 1 that at least one label information and identified data are divided into by the data division rule Should；Compare the message bit pattern of the data to be backed up and the message bit pattern of identified data, obtain variance data block.
- 4. according to the method for claim 3, it is characterised in that also include：For label information setting change corresponding with the variance data block mark in the message bit pattern of the data to be backed up.
- 5. according to the method described in claim 1-4 any one, it is characterised in that it is described determination high in the clouds in it is described to be backed up Storage location corresponding to data, the storage location that the incremental data is backed up in the high in the clouds, including：Newly-built file corresponding with the data to be backed up in beyond the clouds, and the incremental data is backed up in the high in the clouds The file in.
- A kind of 6. data backup device, it is characterised in that including：Data determination unit to be backed up, for determining data to be backed up；Incremental data determining unit, for the multiple data blocks being divided into based on the data to be backed up, it is determined that it is described treat it is standby Incremental data in part data, the incremental data include at least one data block in the multiple data block；Backup units, for determining storage location corresponding with the data to be backed up in high in the clouds, the incremental data is backed up The storage location into the high in the clouds.
- 7. device according to claim 6, it is characterised in that the incremental data determining unit, including：First determining unit, for determining the Data Identification identical carried with the data to be backed up whether is stored with high in the clouds Data；Second determining unit, for if so, the Data Identification carried with the data to be backed up stored in determination high in the clouds is identical Each data in a newest stored data；3rd determining unit, the more numbers being divided into for determining the data block division rule that the data to be backed up are predetermined According to block, the variance data between the multiple data blocks being divided into relative to identified data by the data block division rule Block；4th determining unit, for identified variance data block to be defined as into incremental data；5th determining unit, for if it is not, the data to be backed up are divided into by the data block division rule multiple Data block is defined as variance data block, and the variance data block is defined as into incremental data.
- 8. device according to claim 7, it is characterised in that also include：Message bit pattern generation unit, for generating the message bit pattern of the data to be backed up, institute's bitmap information includes at least one Individual label information, at least one label information are divided into more with the data to be backed up by the data division rule Individual data block corresponds；3rd determining unit, including：Acquiring unit, for obtaining the message bit pattern of identified data, the message bit pattern of identified data includes at least one Individual label information, at least one label information are divided into multiple with identified data by the data division rule Data block corresponds；3rd determination subelement, for the message bit pattern of message bit pattern and the identified data of the data to be backed up, Obtain variance data block.
- 9. device according to claim 8, it is characterised in that also include：Setting unit, for label information corresponding with the variance data block in the message bit pattern for the data to be backed up Setting change identifies.
- 10. according to the device described in claim 6-9 any one, it is characterised in that the backup units, be specifically used for：Newly-built file corresponding with the data to be backed up in beyond the clouds, and the incremental data is backed up in the high in the clouds The file in.
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| CN110471846A (en) * | 2019-07-23 | 2019-11-19 | 平安科技（深圳）有限公司 | Test data processing method, device and computer equipment based on automation platform |
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Application publication date: 20171208 |