CN107402839A - A kind of method and system of Backup Data - Google Patents
A kind of method and system of Backup Data Download PDFInfo
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- CN107402839A CN107402839A CN201610332557.4A CN201610332557A CN107402839A CN 107402839 A CN107402839 A CN 107402839A CN 201610332557 A CN201610332557 A CN 201610332557A CN 107402839 A CN107402839 A CN 107402839A
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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
- G06F11/1479—Generic software techniques for error detection or fault masking
- G06F11/1482—Generic software techniques for error detection or fault masking by means of middleware or OS functionality
- G06F11/1484—Generic software techniques for error detection or fault masking by means of middleware or OS functionality involving virtual machines
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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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- 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
- G06F11/1479—Generic software techniques for error detection or fault masking
- G06F11/1489—Generic software techniques for error detection or fault masking through recovery blocks
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Abstract
The embodiment of the invention discloses a kind of method and system of Backup Data, when having uniformity for detecting snapshot and data to be backed up, just store snapshot, so as to avoid the waste of memory space, and have better met the demand of user.Present invention method includes：Backup instruction, the application for determining to run on target virtual machine and target virtual machine according to backup instruction are obtained, and determines the data to be backed up of application；Snapshot is obtained according to data to be backed up；Snapshot is cloned, generates clone data；Detect whether snapshot and data to be backed up have uniformity according to clone data；If so, then snapshot is stored into backup storage.
Description
Technical field
The present invention relates to technical field of virtualization, more particularly to a kind of method and system of Backup Data.
Background technology
Server virtualization, desktop virtualization and application virtualization be limitation it is computer virtualized in it is three big
Virtualization technology.An and important technology of following cloud computing.At present the whole world industry-by-industry,
The popularization of technology through having started virtualization, and gradually in being come into one's own in IT industries.Virtualized environment
In data backup become more and more important.Currently, the backup in server virtualization environment is usually to tie
Close the snapshot realization of virtual machine or bottom storage.Store snapping technique SNIA (Storage Networking
Industry Association) definition to snapshot is：On specifying one of data acquisition system completely available to copy
Shellfish, the copy include image of the corresponding data at some time point (time point that copy starts), snapshot
Can be a copy of the data represented by it or a duplicate of data.
The method of existing Backup Data is：When needing to be backed up, backup instruction is sent, according to backup
While instructing and determine data to be backed up, and treat Backup Data progress snapshot, virtualized server system
Silent processing data to be backed up and snapshot data is in coherency state, snapshot is transferred into backup deposits
Chu Zhong.
But virtualized environment is typically extremely complex, and some application (numbers such as such as Oracle, Mysql
According to storehouse) it is very high to coherence request, and the snapshot data obtained after silent processing and data to be backed up are not
Uniformity is can guarantee that, if inconsistent, after the snapshot data in recovering backup storage, it may appear that should
With can not normal operation, or using normal operation, application data and the inconsistent situation of data to be backed up,
It thus can not meet the demand of necessary strict conformance after user recovers for data to be backed up and snapshot, and
And cause the waste of memory space.
The content of the invention
The embodiments of the invention provide a kind of method and system of Backup Data, for detect snapshot with treat it is standby
When part data have uniformity, snapshot is just stored, so as to avoid the waste of memory space, and more preferably
The demand for meeting user.
Aspect of the invention provides a kind of method of Backup Data, described standby applied to the system of Backup Data
The system of part data, which includes server, production inventory and backup storage, the method for the Backup Data, to be included：
Backup instruction is obtained, is determined according to the backup instruction on target virtual machine and the target virtual machine
The application of operation, and determine the data to be backed up of the application；
Snapshot is obtained according to the data to be backed up；
The snapshot is cloned, generates clone data；
Detect whether the snapshot and the data to be backed up have uniformity according to the clone data；
If so, then the snapshot is stored into backup storage.
In terms of the present invention, in present invention aspect embodiment, methods described also includes：
If the snapshot does not have uniformity with the data to be backed up, obtained according to the data to be backed up
To new snapshot.
With reference to present invention aspect embodiment, in aspect second embodiment of the invention, described in the basis
Clone data detects whether the snapshot and the data to be backed up have uniformity, including：
Clone's virtual machine is started according to the clone data, clone's virtual machine is provided with the application；
Judge it is described clone virtual machine whether normal operation；
If clone's non-normal operation of virtual machine, it is determined that the snapshot does not have with the data to be backed up
There is uniformity；
If clone's virtual machine normal operation, start the application of clone's virtual machine, and sentence
The disconnected application whether normal operation；
If the non-normal operation of application, it is determined that the snapshot is with the data to be backed up without consistent
Property；
If described apply normal operation, whether the application data for detecting the application of operation is treated with described
Backup Data is consistent；
If the application data of the application is consistent with the data to be backed up, it is determined that the snapshot with it is described
Data to be backed up have uniformity；
If the application data of the application and the data to be backed up are inconsistent, it is determined that the snapshot and institute
State data to be backed up and do not have uniformity.
With reference to present invention aspect, aspect embodiment or aspect second embodiment, present invention aspect the 3rd
It is described to detect whether the snapshot has with the data to be backed up according to the clone data in embodiment
Have after uniformity and it is described the snapshot is stored to backup store in before, in addition to：
Delete the clone data.
With reference to the 3rd embodiment in terms of the present invention, in the present invention the 4th embodiment of aspect, methods described
Also include：
Obtain and recover instruction, recover to instruct the snapshot determined in the backup storage according to described；
The snapshot is recovered to the production inventory；
Or,
The snapshot is transmitted to the server, is restored data according to the snapshot, the recovery
Data are consistent with the clone data.
Second aspect of the present invention provides a kind of system of Backup Data, including：
Server, production inventory and backup storage, the server are provided with virtual machine manager
Hypervisor and virtual machine, the virtual machine are at least one, application program are provided with the virtual machine
Unit and VME operating system；
The server, for obtaining backup instruction, according to the backup instruction from the virtual machine really
Set the goal the application run on virtual machine and the target virtual machine, and determines the number to be backed up of the application
According to；
The server, it is additionally operable to obtain snapshot according to the data to be backed up；
The server, it is additionally operable to clone the snapshot, generates clone data；
The server, it is additionally operable to detect the snapshot and the data to be backed up according to the clone data
Whether there is uniformity；
The production inventory, for when the snapshot and the data to be backed up have uniformity, by institute
Snapshot is stated to store into the backup storage.
With reference to second aspect of the present invention, in second aspect of the present invention embodiment,
The server, it is additionally operable to when the snapshot does not have uniformity with the data to be backed up, root
New snapshot is obtained according to the data to be backed up.
With reference to second aspect of the present invention embodiment, in second aspect of the present invention second embodiment,
The server, it is additionally operable to start clone's virtual machine according to the clone data, the clone is virtual
Machine is provided with the application；
The server, be additionally operable to judge clone's virtual machine whether normal operation；
The server, be additionally operable to when clone's non-normal operation of virtual machine, determine the snapshot with
The data to be backed up do not have uniformity；
The server, it is additionally operable to, when clone's virtual machine normal operation, it is virtual to start the clone
The application of machine, and judge it is described application whether normal operation；
The server, it is additionally operable to, when the non-normal operation of the application, determine that the snapshot is treated with described
Backup Data does not have uniformity；
The server, be additionally operable to when it is described application normal operation when, detect operation the application should
It is whether consistent with the data to be backed up with data；
The server, be additionally operable to application data when the application it is consistent with the data to be backed up when,
Determine that the snapshot and the data to be backed up have uniformity；
The server, it is additionally operable to when the application data and the inconsistent data to be backed up of the application,
Determine that the snapshot does not have uniformity with the data to be backed up.
With reference to second aspect of the present invention, second aspect embodiment or second aspect second embodiment, sheet
During invention second aspect the 3rd is implemented,
The production inventory, it is additionally operable to delete the clone data.
With reference to the embodiment of second aspect of the present invention the 3rd, in the embodiment of second aspect of the present invention the 4th,
The backup storage, is additionally operable to acquisition and recovers instruction, recovers the instruction determination backup according to described
The snapshot in storage；
The backup storage, is additionally operable to recover the snapshot to the production inventory；
Or,
The backup storage, is additionally operable to transmit the snapshot to the server, is obtained according to the snapshot
To data are recovered, the recovery data are consistent with the clone data.
In summary, the embodiment of the present invention has advantages below：
Backup instruction is obtained, is answered according to what backup instruction determined to run on target virtual machine and target virtual machine
With, and the data to be backed up of application are determined, snapshot is obtained according to data to be backed up, snapshot is cloned,
Clone data is generated, detects whether snapshot and data to be backed up have uniformity according to clone data, if so,
Then snapshot is stored to backup in storing, compared with prior art, by detecting snapshot and data to be backed up
Whether there is uniformity, to determine whether to store snapshot, when only snapshot data to be backed up have uniformity,
Snapshot can be just stored, so as to avoid the snapshot data of snapshot that is obtained after silent handle and number to be backed up
According to inconsistent, snapshot is but stored, so as to cause snapshot situation inconsistent with data to be backed up after recovering,
So avoid to store useless snapshot, memory space can be saved, and better meet user couple
The demand consistent with data to be backed up after snapshot recovery.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, below will be to embodiment and prior art
The required accompanying drawing used is briefly described in description, it should be apparent that, drawings in the following description are only
Only it is some embodiments of the present invention, for those of ordinary skill in the art, is not paying creativeness
On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the system of the Backup Data in virtualized environment；
Fig. 2 is one embodiment schematic diagram of the method for Backup Data in the embodiment of the present invention；
Fig. 3 is another embodiment schematic diagram of the method for Backup Data in the embodiment of the present invention；
Fig. 4 is another embodiment schematic diagram of the method for Backup Data in the embodiment of the present invention；
Fig. 5 is one embodiment schematic diagram of the system of Backup Data in the embodiment of the present invention.
Embodiment
The embodiments of the invention provide a kind of method and system of Backup Data, for detect snapshot with treat it is standby
When part data have uniformity, snapshot is just stored, so as to avoid the waste of memory space, and more preferably
The demand for meeting user.
In order that those skilled in the art more fully understand the present invention program, below in conjunction with of the invention real
The accompanying drawing in example is applied, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that
Described embodiment only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained under the premise of creative work is not made
The every other embodiment obtained, should all belong to the scope of protection of the invention.
The structure of the system of Backup Data in virtualized environment is as shown in figure 1, including server, production
Storage and backup storage, server provide virtual machine physical movement environment, and server has Virtual Machine Manager
Device Hypervisor, Hypervisor can by computer virtual the computer simulation Cheng Duotai of a physics,
And the software of operating system is run inside the environment of virtualization, typical represent has VMware companies
ESX and ESXi series, can allow virtual machine to share same physical computer by Hypervisor, but
For virtual machine, as oneself having monopolized whole computer.2 void are included in Fig. 1 servers
Plan machine, in a practical situation, virtual machine can be one or more than two.
Server can be one in single or server cluster, server cluster it is good
Place is, can by unified management come distribution server, for example, it is desired to when performing a certain task, from
The relatively idle server of business is selected in multiple servers.
If system is super fusion all-in-one environment, server merges with production inventory and backup storage
Together.Super fusion all-in-one is by basic courses departments such as virtual management software, virtual memory and virtual networks
Part is fused together, using the server hardware of standard x 86 carry virtual management software, virtual memory and
The IT infrastructure part of the softwares such as virtual network, storage use distributed storage framework, needed before use
First set up cluster, the physical disk of all all-in-ones is invented memory resource pool in cluster, then to virtual
Change management software and storage service is provided.
Production inventory can be had in storage device or the super fusion all-in-one of store function
Virtual memory.
Backup storage can have the External memory equipment of store function, external storage servers either
Virtual memory in super fusion all-in-one.
Server can pass through Internet small computer system interfaces (Internet Small Computer
System Interface, iSCSI) or NFS (Network File System, NFS) access
Data in production inventory.ISCSI is also known as IP-SAN, is that one kind is based on internet and SCSI-3 agreements
Under memory technology.NFS is a kind of distributed file system agreement, initially by Sun Microsystems
Company develops, and is issued in 1984, and its function is intended to allow server to be locally stored one as accessing
Sample passes through the data in network access production inventory.
Below by specific embodiment, the method for the Backup Data of the system based on above-mentioned Backup Data is entered
Row describes in detail.
Referring to Fig. 2, one embodiment of the method for Backup Data includes in the embodiment of the present invention：
201st, backup instruction is obtained, determines to run on target virtual machine and target virtual machine according to backup instruction
Application, and determine application data to be backed up；
In the present embodiment, when user needs to back up virtual machine, or the backup according to preset software
When task needs to back up virtual machine, server gets backup instruction, is being taken according to backup instruction
It is engaged in finding the virtual machine for needing to back up in multiple virtual machines of device as target virtual machine, and determines target
The application to be backed up on virtual machine, the application data being applied, as data to be backed up.
Specifically, it is determined that after target virtual machine, target virtual machine silence is handled, if target is empty
The VME operating system of plan machine is Windows systems, and the volume provided using Microsoft's Windows systems is reflected
Copy service (Volume Shadow copy Service, VSS) is penetrated to freeze IO in target virtual machine and incite somebody to action
For IO cache flush to disk, this is done to the moment for obtaining obtaining backup instruction can obtain number to be backed up
According to so as to ensure the application uniformity of the snapshot data of snapshot obtained according to data to be backed up；If
Linux system, fsfreeze orders can be used to carry out silent processing, the IO in suspense file system is grasped
Make.
202nd, snapshot is obtained according to data to be backed up；
In the present embodiment, snapshot operation is carried out using the Hypervisor of server, obtains snapshot, if
It is that super fusion all-in-one can also be obtained soon using the storage progress snapshot operation of the bottom of virtual memory
According in snapshot processes, being generally adopted by COW (Copy-On-Write) technologies or ROW
(Redirect-On-Write) technology, therefore, snapshot processes can typically be completed in moment, and soon
According to operation completed by operation metadata, metadata is also known as broker data and relaying data, is description number
According to data, the information of data attribute is mainly described.
203rd, snapshot is cloned, generates clone data；
In the present embodiment, generally set in snapshot be read-only, it is necessary to after cloning could by read-write operation,
Therefore need to clone snapshot, generate clone data, clone operations are also by operation metadata wink
Between complete.
204th, detect whether snapshot and data to be backed up have uniformity according to clone data, if so, then holding
Row step 205；
In the present embodiment, server is accessed in production inventory by way of iSCSI or NFS carries and cloned
Data, and detect whether snapshot and data to be backed up have uniformity according to clone data, if so, then
Perform step 205.
205th, snapshot is stored to backup in storing.
, will be fast in production inventory if snapshot has uniformity with data to be backed up in the present embodiment
In being stored according to storage to backup.
In the embodiment of the present invention, backup instruction is obtained, target virtual machine and target are determined according to backup instruction
The application run on virtual machine, and determine the data to be backed up of application；Snapshot is obtained according to data to be backed up；
Snapshot is cloned, generates clone data；Whether snapshot and data to be backed up are detected according to clone data
With uniformity；If so, then storing snapshot into backup storage, compared with prior art, pass through inspection
Survey whether clone data reaches preset backup condition, to determine whether to store snapshot, only detect snapshot
When there is uniformity with data to be backed up, snapshot is just stored, so as to avoid the waste of memory space, and
And the demand of user is better met
Snapshot and situation of the data to be backed up without uniformity are not illustrated in above-described embodiment, because
For without uniformity then need not backup snapshots, but thus can not meet backup require that, under
Snapshot and situation of the data to be backed up without uniformity are described in detail by embodiment for face.
Referring to Fig. 3, another embodiment of the method for Backup Data includes in the embodiment of the present invention：
301st, backup instruction is obtained, determines to run on target virtual machine and target virtual machine according to backup instruction
Application, and determine application data to be backed up；
It for further details, please refer to described in step 201.
302nd, snapshot is obtained according to data to be backed up；
It for further details, please refer to described in step 202.
303rd, snapshot is cloned, generates clone data；
It for further details, please refer to described in step 203.
304th, detect whether snapshot and data to be backed up have uniformity according to clone data, if so, then holding
Row step 305；If it is not, then perform step 302；
In the present embodiment, server is accessed in production inventory by way of iSCSI or NFS carries and cloned
Data, detect whether snapshot and data to be backed up have uniformity according to clone data, if snapshot is with treating
Backup Data has uniformity, then performs step 305；If snapshot does not have uniformity with data to be backed up,
Step 302 is then performed, i.e., obtains new snapshot according to data to be backed up.
305th, snapshot is stored to backup in storing.
It for further details, please refer to described in step 205.
It should be noted that in order to save the memory space of production inventory, it is not up to preset in clone data
Backup condition after, it is necessary to which clone data and snapshot are deleted.
It should be noted that in order to save the memory space of production inventory, it is fast being detected according to clone data
There is uniformity afterwards, it is necessary to which clone data is deleted according to data to be backed up.
In the embodiment of the present invention, when snapshot and data to be backed up do not have uniformity, step is re-executed
302 obtain new snapshot, and untill snapshot and data to be backed up have uniformity, such one surely meets
The backup requirements of user.
Below by embodiment to detecting whether snapshot and data to be backed up have uniformity according to clone data
It is described in detail.
Referring to Fig. 4, another embodiment of the method for Backup Data includes in the embodiment of the present invention：
401st, backup instruction is obtained, determines to run on target virtual machine and target virtual machine according to backup instruction
Application, and determine application data to be backed up；
It for further details, please refer to described in step 201.
402nd, snapshot is obtained according to data to be backed up；
It for further details, please refer to described in step 202.
403rd, snapshot is cloned, generates clone data；
It for further details, please refer to described in step 203.
404th, clone's virtual machine is started according to clone data；
In the present embodiment, server is accessed in production inventory by way of iSCSI or NFS carries and cloned
Data, a conduct clone's virtual machine for being mounted with to apply on target virtual machine is selected from multiple virtual machines,
And clone's virtual machine is started according to clone data.
405th, judge clone virtual machine whether normal operation, if clone the non-normal operation of virtual machine, perform
Step 402；If cloning virtual machine normal operation, step 406 is performed；
In the present embodiment, by Hypervisor detect clone virtual machine whether normal operation, if clone
The non-normal operation of virtual machine, perform step 402；If cloning virtual machine normal operation, step 406 is performed.
406th, start clone virtual machine application, and judge using whether normal operation, if using abnormal
Operation, then perform step 402；If using normal operation, step 407 is performed；
In the present embodiment, after cloning virtual machine normal operation, started according to clone data on clone's virtual machine
The application consistent with the application for needing to back up on target virtual machine, if using non-normal operation, perform step
Rapid 402；If using normal operation, step 407 is performed.
407th, whether the application data of the application of detection operation is consistent with data to be backed up, if inconsistent,
Perform step 402；If consistent, step 408 is performed；
In the present embodiment, using the data that are applied after normal operation, judge application data whether with treat it is standby
Part data are consistent, if inconsistent, perform step 402；If consistent, step 408 is performed.
408th, snapshot is stored to backup in storing.
It for further details, please refer to described in step 205.
It should be noted that in order to save the memory space of production inventory, in snapshot and data to be backed up not
With uniformity afterwards, it is necessary to which clone data and snapshot are deleted.
It should be noted that in order to save the memory space of production inventory, have in snapshot and data to be backed up
There is uniformity afterwards, it is necessary to which clone data is deleted.
In the embodiment of the present invention, to detecting whether snapshot and data to be backed up have unanimously according to clone data
Property is described in detail so that scheme is more specific.
Optionally, in some embodiments of the present invention, the method for Backup Data also includes：
Obtain and recover instruction, the snapshot determined in backup storage is instructed according to recovery；
Snapshot is recovered to production inventory；
Or,
Snapshot is transmitted to server, is restored data according to snapshot, recovers data and clone data one
Cause.
In present invention implementation, when needing to recover snapshot, obtain and recover instruction, according to recovery instruction standby
Part storage in find snapshot, if user environment is the production inventory of carry, snapshot is directly recovered to
Production inventory；If user environment is to be locally stored, snapshot is transmitted to server, further according to snapshot
Be restored data.Backup storage can also be entered in server snapshots by iSCSI or NFS
Row disaster tolerance so that scheme is more perfect.
The method that the Backup Data of the embodiment of the present invention is described in above-described embodiment, below by embodiment
The system of Backup Data is described in detail.
Referring to Fig. 5, one embodiment of the system of Backup Data includes in the embodiment of the present invention：
Server 501, production inventory 502 and backup storage 503, server 501 is provided with virtual machine pipe
Reason device Hypervisor and virtual machine, virtual machine are at least one, and application program list is provided with virtual machine
Member and VME operating system；
Server 501, for obtaining backup instruction, destination virtual is determined from virtual machine according to backup instruction
The application run on machine and target virtual machine, and determine the data to be backed up of application；
Server 501, it is additionally operable to obtain snapshot according to data to be backed up；
Server 501, it is additionally operable to clone snapshot, generates clone data；
Server 501, it is additionally operable to detect whether snapshot and data to be backed up have unanimously according to clone data
Property；
Production inventory 502, for when snapshot has uniformity with data to be backed up, snapshot to be stored to standby
In part storage 503.
In the embodiment of the present invention, server 501 obtains backup instruction, and target void is determined according to backup instruction
The application run on plan machine and target virtual machine, and the data to be backed up of application are determined, according to number to be backed up
According to snapshot is obtained, snapshot is cloned, generates clone data, snapshot is detected with treating according to clone data
Whether Backup Data has uniformity, if so, then production inventory 502 stores snapshot to backup storage 503
In, compared with prior art, by detecting whether snapshot and data to be backed up have one according to clone data
Cause property, to determine whether to store snapshot, when only snapshot has uniformity with data to be backed up, it can just deposit
Snapshot is stored up, the snapshot data of the snapshot so as to avoid obtaining after silent handle differs with data to be backed up
Cause, but store snapshot, so as to cause snapshot situation inconsistent with data to be backed up after recovering, so
Avoid to store useless snapshot, memory space can be saved, and better meet user for fast
According to demand consistent with data to be backed up after recovery.
Optionally, in some embodiments of the present invention,
Server 501, it is additionally operable to when snapshot does not have uniformity with data to be backed up, according to number to be backed up
According to obtaining new snapshot.
In the embodiment of the present invention, server 501 increases when not having uniformity to snapshot and data to be backed up
Processing so that scheme one surely meets the backup requirements of user.
Optionally, in some embodiments of the present invention,
Server 501, it is additionally operable to start clone's virtual machine according to clone data, clone's virtual machine is provided with should
With；
Server 501, be additionally operable to judge to clone virtual machine whether normal operation；
Server 501, it is additionally operable to, when the non-normal operation of clone's virtual machine, determine snapshot and data to be backed up
Without uniformity；
Server 501, it is additionally operable to when cloning virtual machine normal operation, starts the application of clone's virtual machine,
And judge using whether normal operation；
Server 501, it is additionally operable to, when the non-normal operation of application, determine that snapshot does not have with data to be backed up
Uniformity；
Server 501, be additionally operable to when application normal operation when, detect operation application application data whether
It is consistent with data to be backed up；
Server 501, be additionally operable to when application data is consistent with data to be backed up, determine snapshot with it is to be backed up
Data have uniformity；
Server 501, be additionally operable to when application data and data to be backed up it is inconsistent when, determine snapshot with treat it is standby
Part data do not have uniformity.
In the embodiment of the present invention, whether snapshot and data to be backed up, which have uniformity, is detected to server 501
It is described in detail so that scheme is more specific.
Optionally, in some embodiments of the present invention,
Production inventory 502, it is additionally operable to delete clone data.
In the embodiment of the present invention, detect whether snapshot and data to be backed up have uniformity according to clone data
Afterwards, generation storage 502 needs to delete clone data, saves the memory space of production inventory.
Optionally, in some embodiments of the present invention,
Storage 503 is backed up, acquisition is additionally operable to and recovers instruction, is instructed according to recovery fast in determination backup storage
According to；
Backup storage 503, is additionally operable to recover snapshot to production inventory；
Or,
Backup storage 503, is additionally operable to transmit snapshot to server 501, is restored data according to snapshot,
It is consistent with clone data to recover data..
In the embodiment of the present invention, unloading and the disaster tolerance of snapshot are realized by backing up storage 503 so that scheme
It is more perfect.
It is apparent to those skilled in the art that for convenience and simplicity of description, it is above-mentioned to retouch
The specific work process of the system stated, equipment and unit, it may be referred to the correspondence in preceding method embodiment
Process, it will not be repeated here.
In several embodiments provided herein, it should be understood that disclosed system, equipment and
Method, it can realize by another way.For example, apparatus embodiments described above are only to show
Meaning property, for example, the division of the unit, only a kind of division of logic function can when actually realizing
To there is other dividing mode, such as multiple units or component can combine or be desirably integrated into another
System, or some features can be ignored, or not perform.Another, shown or discussed is mutual
Coupling or direct-coupling or communication connection can be INDIRECT COUPLING by some interfaces, equipment or unit
Or communication connection, can be electrical, mechanical or other forms.
The unit illustrated as separating component can be or may not be it is physically separate, make
It can be for the part that unit is shown or may not be physical location, you can with positioned at a place,
Or it can also be distributed on multiple NEs.Can select according to the actual needs part therein or
Person's whole unit realizes the purpose of this embodiment scheme.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit,
Can also be that unit is individually physically present, can also two or more units be integrated in a list
In member.Above-mentioned integrated unit can both be realized in the form of hardware, can also use software function list
The form of member is realized.
If the integrated unit is realized in the form of SFU software functional unit and is used as independent production marketing
Or in use, it can be stored in a computer read/write memory medium.Based on such understanding, sheet
Part that the technical scheme of invention substantially contributes to prior art in other words or the technical scheme
It can completely or partially be embodied in the form of software product, the computer software product is stored in one
In storage medium, including some instructions to cause a computer equipment (can be personal computer,
Server, or network equipment etc.) perform all or part of step of each embodiment methods described of the present invention
Suddenly.And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD
Etc. it is various can be with the medium of store program codes.
Described above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；
Although the present invention is described in detail with reference to the foregoing embodiments, one of ordinary skill in the art should
Work as understanding：It can still modify to the technical scheme described in foregoing embodiments, or to it
Middle some technical characteristics carry out equivalent substitution；And these modifications or replacement, do not make appropriate technical solution
Essence depart from various embodiments of the present invention technical scheme spirit and scope.
Claims (10)
- A kind of 1. method of Backup Data, it is characterised in that described standby applied to the system of Backup Data The system of part data, which includes server, production inventory and backup storage, the method for the Backup Data, to be included：Backup instruction is obtained, is determined according to the backup instruction on target virtual machine and the target virtual machine The application of operation, and determine the data to be backed up of the application；Snapshot is obtained according to the data to be backed up；The snapshot is cloned, generates clone data；Detect whether the snapshot and the data to be backed up have uniformity according to the clone data；If so, then the snapshot is stored into backup storage.
- 2. the method for Backup Data according to claim 1, it is characterised in that methods described is also wrapped Include：If the snapshot does not have uniformity with the data to be backed up, obtained according to the data to be backed up To new snapshot.
- 3. the method for Backup Data according to claim 2, it is characterised in that described in the basis Clone data detects whether the snapshot and the data to be backed up have uniformity, including：Clone's virtual machine is started according to the clone data, clone's virtual machine is provided with the application；Judge it is described clone virtual machine whether normal operation；If clone's non-normal operation of virtual machine, it is determined that the snapshot does not have with the data to be backed up There is uniformity；If clone's virtual machine normal operation, start the application of clone's virtual machine, and sentence The disconnected application whether normal operation；If the non-normal operation of application, it is determined that the snapshot is with the data to be backed up without consistent Property；If described apply normal operation, whether the application data for detecting the application of operation is treated with described Backup Data is consistent；If the application data of the application is consistent with the data to be backed up, it is determined that the snapshot with it is described Data to be backed up have uniformity；If the application data of the application and the data to be backed up are inconsistent, it is determined that the snapshot and institute State data to be backed up and do not have uniformity.
- 4. the method for Backup Data according to any one of claim 1 to 3, it is characterised in that It is described according to the clone data detect the snapshot and the data to be backed up whether have uniformity it Afterwards, in addition to：Delete the clone data.
- 5. according to the method for the Backup Data described in claim 4, it is characterised in that methods described is also Including：Obtain and recover instruction, recover to instruct the snapshot determined in the backup storage according to described；The snapshot is recovered to the production inventory；Or,The snapshot is transmitted to the server, is restored data according to the snapshot, the recovery Data are consistent with the clone data.
- A kind of 6. system of Backup Data, it is characterised in that including：Server, production inventory and backup storage, the server are provided with virtual machine manager Hypervisor and virtual machine, the virtual machine are at least one, application program are provided with the virtual machine Unit and VME operating system；The server, for obtaining backup instruction, according to the backup instruction from the virtual machine really Set the goal the application run on virtual machine and the target virtual machine, and determines the number to be backed up of the application According to；The server, it is additionally operable to obtain snapshot according to the data to be backed up；The server, it is additionally operable to clone the snapshot, generates clone data；The server, it is additionally operable to detect the snapshot and the data to be backed up according to the clone data Whether there is uniformity；The production inventory, for when the snapshot and the data to be backed up have uniformity, by institute Snapshot is stated to store into the backup storage.
- 7. the system of Backup Data according to claim 6, it is characterised in thatThe server, it is additionally operable to when the snapshot does not have uniformity with the data to be backed up, root New snapshot is obtained according to the data to be backed up.
- 8. the system of Backup Data according to claim 7, it is characterised in thatThe server, it is additionally operable to start clone's virtual machine according to the clone data, the clone is virtual Machine is provided with the application；The server, be additionally operable to judge clone's virtual machine whether normal operation；The server, be additionally operable to when clone's non-normal operation of virtual machine, determine the snapshot with The data to be backed up do not have uniformity；The server, it is additionally operable to, when clone's virtual machine normal operation, it is virtual to start the clone The application of machine, and judge it is described application whether normal operation；The server, it is additionally operable to, when the non-normal operation of the application, determine that the snapshot is treated with described Backup Data does not have uniformity；The server, be additionally operable to when it is described application normal operation when, detect operation the application should It is whether consistent with the data to be backed up with data；The server, be additionally operable to application data when the application it is consistent with the data to be backed up when, Determine that the snapshot and the data to be backed up have uniformity；The server, it is additionally operable to when the application data and the inconsistent data to be backed up of the application, Determine that the snapshot does not have uniformity with the data to be backed up.
- 9. the system of the Backup Data according to any one of claim 6 to 8, it is characterised in thatThe production inventory, it is additionally operable to delete the clone data.
- 10. according to the system of the Backup Data described in claim 9, it is characterised in thatThe backup storage, is additionally operable to acquisition and recovers instruction, recovers the instruction determination backup according to described The snapshot in storage；The backup storage, is additionally operable to recover the snapshot to the production inventory；Or,The backup storage, is additionally operable to transmit the snapshot to the server, is obtained according to the snapshot To data are recovered, the recovery data are consistent with the clone data.
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