CN106528327A - Data processing method and backup server - Google Patents

Data processing method and backup server Download PDF

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Publication number
CN106528327A
CN106528327A CN201610875338.0A CN201610875338A CN106528327A CN 106528327 A CN106528327 A CN 106528327A CN 201610875338 A CN201610875338 A CN 201610875338A CN 106528327 A CN106528327 A CN 106528327A
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backup
virtual machine
data
node
backup node
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CN201610875338.0A
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CN106528327B (en
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黄恒
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Priority to CN201610875338.0A priority Critical patent/CN106528327B/en
Publication of CN106528327A publication Critical patent/CN106528327A/en
Priority to PCT/CN2017/081070 priority patent/WO2018058942A1/en
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00Error detection; Error correction; Monitoring
    • G06F11/07Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/14Error detection or correction of the data by redundancy in operation
    • G06F11/1402Saving, restoring, recovering or retrying
    • G06F11/1446Point-in-time backing up or restoration of persistent data
    • G06F11/1458Management of the backup or restore process
    • G06F11/1464Management of the backup or restore process for networked environments

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)

Abstract

The embodiment of the invention discloses a data processing method and a backup server, which can ensure data breakpoint resumption after an instant recovery task is switched. The data processing method includes that a first backup node virtualizes backup data into a block storage device, and establishes a target virtual machine according to the specification of a virtual machined carried by the backup data; the first backup node identifies the block storage device with a word wide name WWN; a management node acquires and saves an identification of the target virtual machine, and the WWN; when the management node determines the fact that an instant recovery task is in failure, the management node sends an execution command for executing the instant recovery task to a second backup node; the second backup node acquires an identification of temporary data storage Data Storer, the WWN and the identification of the target virtual machine; the second backup node virtualizes the backup data into a block storage device, and identifies the block storage device with a word wide name WWN; and the second backup node executes the instant recovery task according to the block storage device, the identification of the temporary Data Storer, and the identification of the target virtual machine.

Description

A kind of data processing method and backup server
Technical field
The application is related to computer realm, more particularly to a kind of data processing method and backup server.
Background technology
With information technology (English full name:Information technology, referred to as:IT continuous development), it is more next More enterprises transform the IT infrastructure of its data center as virtualization and cloud environment, so as to be carried using Intel Virtualization Technology For the service efficiency of computing resource, elastic calculation system architecture is realized.In cloud computing/virtualized environment, for avoiding due to people For by mistake delete or the system failure caused by virtual-machine data lose, typically introducing standby system, to carry out data to virtual machine standby Part, virtual-machine data is backuped on third-party backup storage device.When virtual-machine data is recovered, needs will be standby before The data of part are returned in production environment from backup storage.
Occurs a kind of virtual machine instant recovery technology in recent years, the process of realization is that Backup Data is modeled as network file system System (English full name:Network File System, referred to as:NFS) share, production environment main frame is mounted to simultaneously by the NFS shared It is created as NFS data storages (English full name:Data Store), then register in NFS Data Store in production environment Virtual machine, finally just can directly run the virtual machine in NFS DataStore, above-mentioned NFS DataStore carries and establishment After completing with virtual machine registration action, it is possible to directly initiate virtual machine to be recovered.As NFS Data Store are arranged Store for non-persistentization, instant recovery virtual machine out is written and read the data write during operation and is stored in NFS In the temporary memory space of DataStore.Industry backup server typically adopts multinode distributed structure/architecture, possesses in reliability Task failover mechanism Failover, can automatically switch to after mission failure and re-execute on another backup node.
Prior art is that the NFS simulated on backup node shares, i.e., externally provide the address of NFS shared services Internet protocol (English full name for backup node:Internet Protocol, referred to as:IP) address.Once generation backup is appointed The execution failure failure of the failover of business, i.e. backup tasks itself, NFS shared services before can be interrupted.Can so cause After instant recovery tasks failure, it is switched to after another backup node re-executes, instant recovery task before is The recovery data of transmission do not support breakpoint transmission, can only all again accent start recover.
The content of the invention
The embodiment of the present application provides a kind of data processing method and backup server, for existing in instant recovery tasks After switching over, it is ensured that data breakpoint is resumed.
In a first aspect, the embodiment of the present application provides a kind of data processing method, including:
The data processing method is used for backup server, and the backup server includes management node, the first backup node, the Two backup nodes;Wherein first backup node is the execution node for being carrying out instant recovery task, second backup node It is, after the instant recovery task breaks down, to continue executing with the execution node of the instant recovery task.And the data processing side Method specifically includes following steps:Backup Data is virtually block storage device by first backup node, and according to the Backup Data The specification of the virtual machine of carrying creates target virtual machine;First backup node is that the block storage that the Backup Data is virtually generated sets Standby mark seeks mark title (English full name entirely:World Wide Name, referred to as:WWN);The management node is obtained and preserves this The mark of target virtual machine and the WWN;In the backup server run duration, when the management node determines the instant recovery task When breaking down, the management node sends the execute instruction for performing the instant recovery task to second backup node;This second After the execute instruction is received, second backup node obtains the mark that ephemeral data stores Data Storer to backup node The mark of knowledge, the WWN and the target virtual machine, the interim Data Storer are arranged for advance notice;Second backup node is standby by this Part data virtual is the block storage device, and is the block storage device identification WWN;Second backup node is stored according to the block Equipment, the interim mark of Data Storer and the mark of the target virtual machine perform the instant recovery task.
In the embodiment of the present application, before the Backup Data is obtained, the backup server is from backup for first backup node Backup Data is determined in memory space, and is selected for storing the interim Data Storer of ephemeral data and being used for recovering virtual The target Data Storer of machine.The mark of the mark of the interim Data Storer and target Data Storer is prestored In the management node of the backup server.The management node of the backup server is first carried out i.e. by load-balancing mechanism determination When recovery tasks first backup node, and send the instruction for performing instant recovery task to first backup node.This One backup node obtains the metadata of the Backup Data that the backup server determines and is verified, and in verification by afterwards, this One backup node can just get the Backup Data.
In the technical scheme that the embodiment of the present application is provided, second backup node is set for block storage with first backup node Standby mark identical WWN, i.e. second backup node are identical with the block storage device that first backup node is used, at the same this Two backup nodes and first backup node use the interim Data Storer of identical and target virtual machine, therefore this is second standby Part node is when instant recovery task is performed, it is ensured that on the basis of first backup node continue executing with the instant recovery Task, that is, ensureing can be with breakpoint transmission.
Optionally, the data processing method also includes following scheme:First backup node is by the block storage device with original Beginning device map (English full name:Raw Device Mapping, referred to as:RDM mode carry) give the target virtual machine, and The interim Data Storer generate virtual machine VM disk files;First backup node will be the VM disk files interim by this Data Storer are moved to and are pre-set target data storage Data Storer.
In the technical scheme that the embodiment of the present application is provided, number of first backup node using production environment virtual platform Backup Data is migrated according to transfer ability instant recovery is completed into target Data Storer.
Optionally, the data processing method also includes following scheme:First backup node is the mesh using snapping technique Mark virtual machine generates snapshot document, and generates change-over virtual machine Delta VM disk files in the interim Data Storer;This The Delta VM disk files are moved to target Data Storer by the interim Data Storer by one backup node.
In the technical scheme that the embodiment of the present application is provided, number of first backup node using production environment virtual platform According to transfer ability and snapping technique by the read-write Data Migration produced in instant recovery task to target Data Storer, So as to prevent the read-write loss of data.
Optionally, the data processing method also includes following scheme:First backup node is by the block storage device with original The mode carry of beginning device map RDM gives the target virtual machine, and generates virtual machine VM disks text in the interim Data Storer Part;First backup node generates snapshot document using snapping technique for the target virtual machine, and in the interim Data Storer Generate change-over virtual machine Delta VM disk files;First backup node will be the VM disk files and the Delta VM disks literary Part moves to target Data Storer by the interim Data Storer.
In the technical scheme that the embodiment of the present application is provided, number of first backup node using production environment virtual platform Backup Data is migrated according to transfer ability instant recovery is completed into target Data Storer.First backup node is sharp simultaneously With the Data Migration ability of production environment virtual platform and snapping technique by the read-write data produced in instant recovery task Target Data Storer is moved to, so as to prevent the read-write loss of data.
Optionally, first backup node by the VM disk files and the Delta VM disk files by the interim Data After Storer moves to target Data Storer, first backup node deletes the snapshot document, target Data The VM disk files and the Delta VM disk files are merged by Storer.
In the technical scheme that the embodiment of the present application is provided, memory space can be effectively saved.
Second aspect, the embodiment of the present application provide a kind of backup server, and the backup server has realizes above-mentioned side The function of backup server in method.The function can be realized by hardware, it is also possible to performed corresponding software by hardware and realized. The hardware or software include one or more modules corresponding with above-mentioned functions.The backup server includes:
First backup node, for being virtually block storage device by Backup Data, and carried according to the Backup Data The specification of virtual machine creates target virtual machine;For block storage device identification global identity title WWN;
The management node, for obtaining and preserving mark and the WWN of the target virtual machine;When it is determined that the instant recovery is appointed When business is broken down, the execute instruction for performing the instant recovery task is sent to second backup node;
Second backup node, stores the mark of Data Storer for obtaining ephemeral data, and the WWN and the target are empty The mark of plan machine, the interim Data Storer are to pre-set;It is virtually the block storage device by the Backup Data, and for being somebody's turn to do The block storage device identification WWN;According to the block storage device, the mark of the interim Data Storer and the target virtual machine Mark perform the instant recovery task.
The third aspect, the embodiment of the present application provide a kind of computer-readable storage medium, are stored with the computer-readable storage medium Program code, the program code are used for the method for indicating to perform above-mentioned first aspect or second aspect.
As can be seen from the above technical solutions, the embodiment of the present application has advantages below:Second backup node with this One backup node is the block that block storage device identification identical WWN, i.e. second backup node are used with first backup node Storage device is identical, while second backup node uses the interim Data Storer of identical and mesh with first backup node Mark virtual machine, therefore second backup node is when instant recovery task is performed, it is ensured that in the base of first backup node The instant recovery task is continued executing with plinth, that is, ensureing can be with breakpoint transmission.
Description of the drawings
Fig. 1 is the system framework figure of data processing method in the embodiment of the present application;
Fig. 2 is one embodiment schematic diagram of data processing method in the embodiment of the present application;
Fig. 3 is one embodiment schematic diagram of backup server in the embodiment of the present application.
Specific embodiment
The embodiment of the present application provides a kind of data processing method and backup server, for existing in instant recovery tasks After switching over, it is ensured that data breakpoint is resumed.
Term " first ", " second ", " the 3rd " in the description and claims of this application and above-mentioned accompanying drawing, " Four " etc. (if present) is for distinguishing similar object, without for describing specific order or precedence.Should manage The data that solution is so used can be exchanged in the appropriate case, so that the embodiments described herein can be with except illustrating here Or the order beyond the content of description is implemented.Additionally, term " comprising " and " having " and their any deformation, it is intended that Covering is non-exclusive to be included, and for example, process, method, system, product or the equipment for containing series of steps or unit need not be limited In those steps or unit for clearly listing, but may include clearly not list or for these processes, method, product Other intrinsic steps of product or equipment or unit.
The data handling system frame diagram shown in Fig. 1 is refer to, the data handling system framework includes backup server, Backup storage, production environment, and production inventory.Wherein, backup server includes management node, the first backup node, second Backup node, the 3rd backup node.It is understood that the backup server can include multiple backup nodes, not exclusively Three backup nodes drawn in figure.Each backup node is that the backup in data handling system performs node, there is provided backup Recovery tasks perform function.The management node provides the functions such as the backup management of data handling system and system administration;It is simultaneously negative The scheduling of Backup and Restore task in duty data handling system, there is provided task scheduling load balancing and failover capability.Backup is deposited The Backup Data of virtual machine in storage production environment is responsible in storage.Production environment is responsible for carrying the production business of user, generally adopts Virtualized infrastructure framework, i.e., including the multiple virtual machines on main frame and main frame.Production inventory is responsible for storing production environment Middle production business datum.
Each backup node in the backup server adopts multinode distributed structure/architecture, possesses task in reliability In Failover mechanism, i.e. current backup node after mission failure, the task can automatically switch to weight on another backup node It is new to perform.And in current virtual machine instant recovery technology, the NFS simulated on the backup node shares, i.e., externally provide NFS Internet protocol (English full name of the address of shared service for backup node:Internet Protocol, referred to as:IP) address. Once there is the execution failure failure of the failover of backup tasks, i.e. backup tasks itself, in NFS shared services meeting before It is disconnected.Can so cause after instant recovery tasks failure, be switched to after another backup node re-executes, before instant The recovery data that recovery tasks have been transmitted do not support breakpoint transmission, can only all again accent start recover.
In order to solve this problem, the embodiment of the present application provides following solution:First backup node will be backed up Data virtual is block storage device, and the specification of the virtual machine carried according to the Backup Data creates target virtual machine;This first Backup node is block storage device identification WWN that the Backup Data is virtually generated;The management node is obtained and preserves target void The mark of plan machine and the WWN;In the backup server run duration, when the management node determines that the instant recovery task occurs event During barrier, the management node sends the execute instruction for performing the instant recovery task to second backup node;The second backup section After the execute instruction is received, second backup node obtains the mark of ephemeral data storage Data Storer, is somebody's turn to do point The mark of WWN and the target virtual machine, the interim Data Storer are arranged for advance notice;Second backup node is by the backup number According to being virtually the block storage device, and for the block storage device identification WWN;Second backup node is set according to the block storage Standby, the interim mark of Data Storer and the mark of the target virtual machine perform the instant recovery task.
Specifically refer to shown in Fig. 2, a kind of one embodiment of data processing method in the embodiment of the present application, including:
201st, Backup Data is virtually block storage device by the first backup node, and according to the virtual of Backup Data carrying The specification of machine creates target virtual machine.
Execution node of first backup node as current instant recovery task, receiving, execution virtual machine is immediately extensive After the instruction of multiple task, first backup node gets Backup Data from backup storage, and by the backup for getting Data virtual is block storage device;First backup node is created according to the specification of the virtual machine carried in the Backup Data in addition One new target virtual machine.The specification of the virtual machine includes the size of CPU models, the size of internal memory and hard disk.Such as should It is 2 cores that the specification of the virtual machine carried in Backup Data is CPU, inside saves as 3.5 GB (English full name:Gigabyte, letter Claim:GB), hard disk is 500GB, then the specification of the target virtual machine that first backup node is created is that CPU is 2 cores, is inside saved as 3.5GB, hard disk are 500GB.
In actual applications, first backup node can be based on open source software tgt, lio or scst by the Backup Data It is virtually block storage device, specifically using which kind of mode, does not limit herein.
It is understood that in the embodiment of the present application, first backup node before the Backup Data is obtained, the backup Server determines Backup Data from backup storage, and selects to store Data for the ephemeral data for storing ephemeral data The Storer and target Data Storer for recovering virtual machine.The mark and target Data of the interim Data Storer The mark of Storer is stored in advance in the management node of the backup server.The management node of the backup server is equal by load Weighing apparatus mechanism determines first backup node that instant recovery task is first carried out, and it is instant to send execution to first backup node The instruction of recovery tasks.First backup node obtains the metadata of the Backup Data that the backup server determines and is verified, In verification by afterwards, first backup node can just get the Backup Data.Such as, there is backup in the backup storage Data A, Backup Data B, Backup Data C, the specification of the virtual machine that Backup Data A is carried is acquiescence specification;The backup services There are the first backup node, the second backup node, the 3rd backup node in device.If the backup server needs to carry out instant recovery times Business, and the backup server determines that Backup Data A, as the Backup Data of instant recovery, is determined in production inventory space and faced When Data Storer address and the address of target Data Storer.The management node is it is determined that first backup node is made After performing the execution node of the instant recovery task, first backup node can obtain the ground of the interim Data Storer Location and the address of target Data Storer;First backup node will also obtain the metadata of Backup Data A and carry out Whole property verification.If first backup node determines that Backup Data A is complete, first backup node obtains Backup Data A. The specification (giving tacit consent to specification) of the virtual machine that first backup node is carried according to Backup Data A creates one in production environment Target virtual machine, the specification of the target virtual machine is acquiescence specification.Backup Data A is virtually deposited by first backup node for block Storage device A.
202nd, first backup node is block storage device identification WWN.
First backup node, after, is that the block storage device is marked by Backup Data virtually for the block storage device WWN。
In the embodiment of the present application, first backup node can mark WWN to block storage device A.
203rd, the mark of the WWN and the target virtual machine is sent to the management node by first backup node.
The mark of the target virtual machine that the WWN of block storage device is created by first backup node with first backup node It is sent to the management node.
In the embodiment of the present application, the mark of the WWN of block storage device A and the target virtual machine is sent out by first backup node Give the management node.
In actual normal instant recovery task, first backup node after the target virtual machine is created, First backup node just can by the block storage device by original device mapping in the way of carry it is enterprising in the target virtual machine The instant recovery task of row virtual machine, while the ephemeral data for producing is generated magnetic disk of virtual machine file simultaneously by first backup node The magnetic disk of virtual machine file is stored in the interim Data Storer;Then first backup node is by the magnetic disk of virtual machine File migration is stored to target Data Storer, so as to complete instant recovery task.Optionally, first backup node Data in the target virtual machine can also be generated snapshot document by snapping technique, and according to the interim Data Storer Mark stored, be generated as change-over virtual machine disk file, the change-over virtual machine disk file moved to into target then Target Data Storer is stored.Optionally, the snapshot that first backup node can also will be generated after migration is completed File is deleted.In actual applications, the snapshot document can be deleted and can not also be deleted, and concrete condition is not limited herein It is fixed.
204th, the mark of the WWN and the target virtual machine is preserved by the management node.
The management node after the mark for receiving the WWN and the target virtual machine, by the WWN and the target virtual machine Mark preserved.
205th, when the management node determines the instant recovery task breaks down when, the management node is to the second backup node Send the instruction for performing the instant recovery task.
The management node will regularly monitor the progress and real-time status of the instant recovery task during actual motion, If the management node detect the real-time condition display instant recovery task of the instant recovery task break down (such as this One backup node power down, restart etc. or access backup storage failure, data failure etc. read from production environment), then the management By load-balancing mechanism, node determines that second backup node is the execution node that performs the instant recovery task, and to this Two backup nodes send the instruction for performing the instant recovery task.
206th, the management node sends the mark of the WWN and the target virtual machine to second backup node, and temporarily The mark of Data Storer.
The management node after the execution node that second backup node is the instant recovery task is determined, the management Node sends the mark of the WWN and the interim Data Storer to second backup node.
207th, the Backup Data is virtually the block storage device by second backup node, and is the block storage device identification The WWN.
Second backup node is obtained after the instruction for performing the instant recovery task that the management node sends is received The Backup Data is taken, then the Backup Data is virtually the block storage device by second backup node, and is set for the block storage It is standby to identify the WWN.
In the embodiment of the present application, before the Backup Data is obtained, this is backed up second backup node by the management node The mark of the information of data, the mark of the target virtual machine, the mark of the interim Data Storer and target Data Storer Knowledge is sent to second backup node.The metadata that second backup node obtains the Backup Data is verified, logical in verification After crossing, second backup node can just get the Backup Data.Such as in the management node it is determined that second backup After node is as the execution node of the instant recovery task is continued executing with, second backup node obtains the interim Data The address of Storer and the address of target Data Storer;Second backup node also obtains the metadata of Backup Data A And carry out completeness check.If second backup node determines that Backup Data A is complete, it is standby that second backup node obtains this Number is according to A.Second backup node also needs to virtually deposit Backup Data A for block based on open source software tgt, lio or scst Storage device A.
208th, second backup node is empty using the block storage device, the mark of the interim Data Storer and the target The mark of plan machine performs the instant recovery task.
After second backup node obtains the block storage device, mark of second backup node using the target virtual machine Know and the mark of the interim Data Storer performs the instant recovery task.
In the embodiment of the present application, second backup node is stored in ephemeral data in the interim Data Storer, and this Two backup nodes are operated the target virtual machine as the virtual machine in production environment.Second backup node is normally being held During the row instant recovery task, the step of execution with first backup node the step of instant recovery task is normally performed phase Together, here is omitted.
In the embodiment of the present application, second backup node is block storage device identification identical with first backup node WWN, i.e. second backup node are identical with the block storage device that first backup node is used, at the same second backup node with First backup node uses the interim Data Storer of identical and target virtual machine, therefore second backup node performing During instant recovery task, it is ensured that continue executing with the instant recovery task on the basis of first backup node, that is, ensure Can be with breakpoint transmission.
Above the data processing method in the embodiment of the present application is described, below to the embodiment of the present application in it is standby Part server is described.
Fig. 3 is referred to specifically, one embodiment of the backup server 300 in the embodiment of the present application, including:This is first standby Part node 301, for being virtually block storage device by Backup Data, and the specification wound of the virtual machine according to Backup Data carrying Build target virtual machine;For block storage device identification global identity title WWN;
The management node 302, for obtaining and preserving mark and the WWN of the target virtual machine;When it is determined that this is immediately extensive When multiple task breaks down, the execute instruction for performing the instant recovery task is sent to second backup node;
Second backup node 303, stores the mark of Data Storer, the WWN and the target for obtaining ephemeral data The mark of virtual machine, the interim Data Storer are to pre-set;It is virtually the block storage device by the Backup Data, and is The block storage device identification WWN;According to the block storage device, the mark of the interim Data Storer and the destination virtual The mark of machine performs the instant recovery task.
Optionally, first backup node 301, is additionally operable to for described piece of storage device to map RDM's with original device Mode carry gives the target virtual machine, and generates virtual machine VM disk files in the interim Data Storer;By the VM Disk file moves to target data storage Data Storer, target Data by the interim Data Storer Storer is to pre-set.
Optionally, first backup node 301, it is that the target virtual machine generates snapshot to be additionally operable to using snapping technique File, and change-over virtual machine Delta VM disk files are generated in the interim Data Storer;By the Delta VM disks File moves to the target Data Storer by the interim Data Storer.
Optionally, first backup node 301, is additionally operable to for described piece of storage device to map RDM's with original device Mode carry gives the target virtual machine, and generates virtual machine VM disk files in the interim Data Storer;Using snapshot Technology is that the target virtual machine generates snapshot document, and generates change-over virtual machine Delta in the interim Data Storer VM disk files;The VM disk files and the Delta VM disk files are moved to by the interim Data Storer The target Data Storer.
Optionally, first backup node, is additionally operable to delete the snapshot document.
In the embodiment of the present application, second backup node 303 is block storage device identification phase with first backup node 301 With WWN, i.e. second backup node 303 is identical with the block storage device that first backup node 301 is used, at the same this second Backup node 303 and first backup node 301 use the interim Data Storer of identical and target virtual machine, thus this Two backup nodes 303 are when instant recovery task is performed, it is ensured that continue executing with the basis of first backup node 301 The instant recovery task, that is, ensureing can be with breakpoint transmission.
Those skilled in the art can be understood that, for convenience and simplicity of description, the system of foregoing description, The specific work process of device and unit, may be referred to the corresponding process in preceding method embodiment, will not be described here.
In several embodiments provided herein, it should be understood that disclosed system, apparatus and method can be with Realize by another way.For example, device embodiment described above is only schematic, for example, the unit Divide, only a kind of division of logic function can have other dividing mode, such as multiple units or component when actually realizing Can with reference to or be desirably integrated into another system, or some features can be ignored, or not perform.It is another, it is shown or The coupling each other for discussing or direct-coupling or communication connection can be the indirect couplings by some interfaces, device or unit Close or communicate to connect, can be electrical, mechanical or other forms.
The unit as separating component explanation can be or may not be it is physically separate, it is aobvious as unit The part for showing can be or may not be physical location, you can local to be located at one, or can also be distributed to multiple On NE.Some or all of unit therein can be selected according to the actual needs to realize the mesh of this embodiment scheme 's.
In addition, each functional unit in the application each embodiment can be integrated in a processing unit, it is also possible to It is that unit is individually physically present, it is also possible to which two or more units are integrated in a unit.Above-mentioned integrated list Unit both can be realized in the form of hardware, it would however also be possible to employ the form of SFU software functional unit is realized.
If the integrated unit is realized and as independent production marketing or use using in the form of SFU software functional unit When, can be stored in a computer read/write memory medium.Based on such understanding, the technical scheme of the application is substantially The part for contributing to prior art in other words or all or part of the technical scheme can be in the form of software products Embody, the computer software product is stored in a storage medium, use so that a computer including some instructions Equipment (can be personal computer, server, or network equipment etc.) performs the complete of the application each embodiment methods described Portion or part steps.And aforesaid storage medium includes:USB flash disk, portable hard drive, read-only storage (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can store journey The medium of sequence code.
The above, above example only to illustrate the technical scheme of the application, rather than a limitation;Although with reference to front State embodiment to be described in detail the application, it will be understood by those within the art that:Which still can be to front State the technical scheme described in each embodiment to modify, or equivalent is carried out to which part technical characteristic;And these Modification is replaced, and does not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the application.

Claims (10)

1. a kind of data processing method, it is characterised in that run on backup server, the backup server includes management section Point, the first backup node, the second backup node;First backup node is the execution section for being carrying out instant recovery task Point, second backup node are, after the instant recovery task breaks down, to continue executing with the instant recovery task Node is performed, methods described includes:
Backup Data is virtually block storage device by first backup node, and according to the virtual machine of Backup Data carrying Specification create target virtual machine;
First backup node is described piece of storage device identification global identity title WWN;
The management node obtains and preserves the mark of the target virtual machine and the WWN;
When the management node determines the instant recovery task breaks down when, the management node to described second backup section Point sends the execute instruction for performing the instant recovery task;
Second backup node obtains mark, the WWN and the target virtual machine of ephemeral data storage Data Storer Mark, the interim Data Storer are for pre-setting;
The Backup Data is virtually described piece of storage device by second backup node, and is described piece of storage device identification The WWN;
Second backup node is according to described piece of storage device, the mark of the interim Data Storer and the target The mark of virtual machine performs the instant recovery task.
2. method according to claim 1, it is characterised in that methods described also includes:
By described piece of storage device, the carry in the way of original device mapping RDM gives the destination virtual to first backup node Machine, and virtual machine VM disk files are generated in the interim Data Storer;
The VM disk files are moved to target data storage by the interim Data Storer by first backup node Data Storer, the target Data Storer are to pre-set.
3. method according to claim 1, it is characterised in that methods described also includes:
First backup node is that the target virtual machine generates snapshot document using snapping technique, and in the interim Data Storer generates change-over virtual machine Delta VM disk files;
The Delta VM disk files are moved to the target by the interim Data Storer by first backup node Data Storer。
4. method according to claim 1, it is characterised in that methods described also includes:
By described piece of storage device, the carry in the way of original device mapping RDM gives the destination virtual to first backup node Machine, and virtual machine VM disk files are generated in the interim Data Storer;
First backup node is that the target virtual machine generates snapshot document using snapping technique, and in the interim Data Storer generates change-over virtual machine Delta VM disk files;
First backup node is by the VM disk files and the Delta VM disk files by the interim Data Storer moves to the target Data Storer.
5. method according to claim 4, it is characterised in that methods described also includes:
First backup node deletes the snapshot document.
6. a kind of backup server, it is characterised in that including the first backup node, the second backup node, management node are described standby Part server includes:
First backup node, for being virtually block storage device by Backup Data, and carried according to the Backup Data The specification of virtual machine creates target virtual machine;For described piece of storage device identification global identity title WWN;
The management node, for the mark for obtaining and preserving the target virtual machine and the WWN;When it is determined that described immediately extensive When multiple task breaks down, the execute instruction for performing the instant recovery task is sent to second backup node;
Second backup node, stores the mark of Data Storer, the WWN and the target for obtaining ephemeral data The mark of virtual machine, the interim Data Storer are to pre-set;The Backup Data is virtually set for described piece of storage It is standby, and be WWN described in described piece of storage device identification;According to described piece of storage device, the mark of the interim Data Storer And the mark of the target virtual machine performs the instant recovery task.
7. backup server according to claim 6, it is characterised in that
First backup node, be additionally operable to by described piece of storage device in the way of original device mapping RDM carry to described Target virtual machine, and virtual machine VM disk files are generated in the interim Data Storer;By the VM disk files by described Interim Data Storer move to target data storage DataStorer, and the target Data Storer is to pre-set.
8. backup server according to claim 6, it is characterised in that
First backup node, it is that the target virtual machine generates snapshot document to be additionally operable to using snapping technique, and described Interim Data Storer generate change-over virtual machine Delta VM disk files;The Delta VM disk files are faced by described When Data Storer move to the target Data Storer.
9. backup server according to claim 6, it is characterised in that
First backup node, be additionally operable to by described piece of storage device in the way of original device mapping RDM carry to described Target virtual machine, and virtual machine VM disk files are generated in the interim Data Storer;It is the target using snapping technique Virtual machine generates snapshot document, and generates change-over virtual machine Delta VM disk files in the interim Data Storer;By institute State VM disk files and the Delta VM disk files and target Data is moved to by the interim Data Storer Storer。
10. backup server according to claim 9, it is characterised in that
First backup node, is additionally operable to delete the snapshot document.
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