CN109067823A - A kind of data migration method, device, computer equipment and storage medium - Google Patents
A kind of data migration method, device, computer equipment and storage medium Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 48
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- 238000012795 verification Methods 0.000 claims abstract description 21
- 238000010200 validation analysis Methods 0.000 claims abstract description 19
- 230000006870 function Effects 0.000 claims description 48
- 230000007613 environmental effect Effects 0.000 claims description 27
- 238000004590 computer program Methods 0.000 claims description 18
- 238000011990 functional testing Methods 0.000 claims description 17
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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
- H04L67/50—Network services
- H04L67/56—Provisioning of proxy services
- H04L67/563—Data redirection of data network streams
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
- G06F9/45533—Hypervisors; Virtual machine monitors
- G06F9/45558—Hypervisor-specific management and integration aspects
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/46—Multiprogramming arrangements
- G06F9/48—Program initiating; Program switching, e.g. by interrupt
- G06F9/4806—Task transfer initiation or dispatching
- G06F9/4843—Task transfer initiation or dispatching by program, e.g. task dispatcher, supervisor, operating system
- G06F9/485—Task life-cycle, e.g. stopping, restarting, resuming execution
- G06F9/4856—Task life-cycle, e.g. stopping, restarting, resuming execution resumption being on a different machine, e.g. task migration, virtual machine migration
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/12—Applying verification of the received information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/12—Applying verification of the received information
- H04L63/123—Applying verification of the received information received data contents, e.g. message integrity
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
- G06F9/45533—Hypervisors; Virtual machine monitors
- G06F9/45558—Hypervisor-specific management and integration aspects
- G06F2009/4557—Distribution of virtual machine instances; Migration and load balancing
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Abstract
The invention discloses a kind of data migration method, device, computer equipment and storage mediums, including receiving migration request instruction, when the IP address for detecting destination host is effective address, and when meeting transition condition according to the target property information that the IP address inquires, respectively in host to be migrated and destination host creation migration interface, and obtain data to be migrated；In the case where host to be migrated is in normal operating condition, data to be migrated are sent to destination host by migrating interface, obtained target migrating data is subjected to data integrity and function validation verification；If being proved to be successful, then service switching instruction is sent to host to be migrated and destination host respectively, so as to carry out service switching between host to be migrated and destination host, to improve the success rate and accuracy of Data Migration, ensure the success of service switching, resource utilization is effectively promoted, and is suitable for requiring service availability stringent occasion.
Description
Technical field
The present invention relates to field of computer technology more particularly to a kind of data migration method, device, computer equipment and deposit
Storage media.
Background technique
In general, enterprise personnel, needs to nullify the virtual machine of Personnel Who Left after dimission, especially some important is gone through
After history system software is cleaned, when follow-up work handover people needs using these legacy system softwares, need to apply again
Creation virtual machine and the legacy system software for reinstalling needs, such mode are easy waste of resource, greatly reduce money
The utilization rate in source is low, meanwhile, labor intensive.
Currently do general migration, the method that migrates offline can be by virtual machine image and corresponding Configuration File Migration to another
On an outer physical host, specific implementation suspends virtual machine before being included in migration, then copy state to purpose
Host finally rebuilds virtual machine state in destination host, restores to execute.The transition process of this mode needs explicit stopping empty
The operation of quasi- machine, there is specific one section of downtime, and that there are Data Migrations is imperfect in transition process, leads to migrating data
Success rate is not high, so that the corresponding function of data can not be performed normally, the data of migration is made to lose original validity, can
See that the method migrated offline is not suitable for requiring service availability stringent occasion.
Summary of the invention
Based on this, it is necessary to which in view of the above technical problems, providing one kind, raising data are moved without interrupting the service
The success rate of shifting and data migration method, device, computer equipment and the storage medium of accuracy.
A kind of data migration method, comprising:
Receive migration request instruction, wherein the migration request instruction includes target transfer parameter, the target migration ginseng
Number includes the IP address of destination host and the transition condition of host to be migrated, wherein the transition condition includes described wait move
Move the data volume and environmental condition of the data to be migrated of host；
When the IP address for detecting the destination host is effective address, and described in being inquired according to the IP address
When the target property information of destination host meets the transition condition, created respectively in the host to be migrated and the destination host
Migration interface is built, and obtains the data to be migrated；
In the case where the host to be migrated is in normal operating condition, the data to be migrated are passed by the migration interface
Send the target migrating data for obtaining being stored on the destination host to the destination host；
Data integrity and function validation verification are carried out to the target migrating data；
If the data integrity and function validation verification of the target migrating data are all proved to be successful, respectively to described
Host to be migrated and the destination host send service switching instruction, so that between the host to be migrated and the destination host
Carry out service switching.
A kind of data migration device, comprising:
Receiving module, for receiving migration request instruction, wherein the migration request instruction includes target transfer parameter,
The target transfer parameter includes the IP address of destination host and the transition condition of host to be migrated, wherein the migration item
Part includes the data volume and environmental condition of the data to be migrated of the host to be migrated；
Module is obtained, for being effective address when the IP address for detecting the destination host, and according to the IP
When the target property information for the destination host that location inquires meets the transition condition, respectively in the host to be migrated and
The destination host creation migration interface, and obtain the data to be migrated；
Delivery module, in the case where the host to be migrated is in normal operating condition, the data to be migrated to be passed through
The migration interface is sent to the destination host, obtains the target migrating data being stored on the destination host；
Authentication module, for carrying out data integrity and function validation verification to the target migrating data；
Switching module, if the data integrity and function validation verification for the target migrating data all verify at
Function then sends service switching instruction to the host to be migrated and the destination host respectively so that the host to be migrated and
Service switching is carried out between the destination host.
A kind of computer equipment, including memory, processor and storage are in the memory and can be in the processing
The computer program run on device, the processor realize the step of above-mentioned data migration method when executing the computer program
Suddenly.
A kind of computer readable storage medium, the computer-readable recording medium storage have computer program, the meter
The step of calculation machine program realizes above-mentioned data migration method when being executed by processor.
Above-mentioned data migration method, device, computer equipment and storage medium receive migration request instruction, when detecting
The IP address of destination host is effective address, and the target property information of the destination host inquired according to the IP address meets
When transition condition, respectively in host to be migrated and destination host creation migration interface, and data to be migrated are obtained, in master to be migrated
Machine is under normal operating condition, and data to be migrated are sent to destination host by migrating interface, obtain being stored in target master
Target migrating data on machine carries out data integrity to target migrating data and function validity is verified, if target is moved
When the data integrity and function validation verification for moving data are all proved to be successful, then sent out respectively to host to be migrated and destination host
Service switching is sent to instruct, so as to execute service switching between host to be migrated and destination host.Pass through the target to destination host
The matching of attribute information and transition condition, and the data integrity and function validity of target migrating data are verified,
To improve the success rate and accuracy of Data Migration, it is ensured that the success of service switching, effectively promotion resource utilization, for
Family saves valuable time.In addition, guaranteeing to realize that data are moved under the normal operation of host to be migrated avoiding service disconnection
It moves, suitable for requiring service availability stringent occasion.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below by institute in the description to the embodiment of the present invention
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without any creative labor, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is an application environment schematic diagram of data migration method in one embodiment of the invention；
Fig. 2 is a flow chart of data migration method in one embodiment of the invention；
Fig. 3 is an implementation flow chart of step S2 in data migration method in one embodiment of the invention；
Fig. 4 is the realization figure for generating snapshot document in one embodiment of the invention in data migration method；
Fig. 5 is an implementation flow chart of step S4 in data migration method in one embodiment of the invention；
Fig. 6 is a schematic diagram of data migration device in one embodiment of the invention；
Fig. 7 is a schematic diagram of computer equipment in one embodiment of the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
Data migration method provided by the present application can be applicable in the application environment such as Fig. 1, which includes service
End, customer end A and customer end B, wherein customer end A is host to be migrated, and customer end B is destination host, server-side and client
It is attached by network between A and between server-side and customer end B, server-side is initiated according to user in customer end A
Migration request instruction is migrated by the matching to the target property information and transition condition that obtain in customer end B, and to target
The data integrity and function validity of data are verified, and finally make to carry out service switching between customer end A and customer end B,
Customer end A and customer end B specifically can be, but not limited to be various personal computers, laptop, smart phone, tablet computer
The server cluster that can be specifically formed with independent server or multiple servers with portable wearable device, server-side
It realizes.
In one embodiment, as shown in Fig. 2, providing a kind of data migration method, the service in Fig. 1 is applied in this way
It is illustrated, includes the following steps: for device
S1: migration request instruction is received, wherein migration request instruction includes target transfer parameter, target transfer parameter packet
Include the IP address of destination host and the transition condition of host to be migrated, wherein transition condition includes host to be migrated wait move
Move the data volume and environmental condition of data.
Specifically, client receives the number to be migrated of the IP address and migration host including destination host of user's input
According to data volume and the targets transfer parameter such as environmental condition, and be sent to clothes for the target transfer parameter as migration request instruction
Business end.
Wherein, target transfer parameter environmental condition, which refers to, guarantees that data to be migrated smoothly migrate or data to be migrated are migrating
Required system environments can be operated normally later, for example, Data Migration requires the system environments of destination host and host to be migrated
System environments be all FusionCompute (virtualization engine) environment, prevent migration after system environments it is incompatible the problems such as, shadow
The case where ringing the normal operation of data to be migrated or even not running.
Further, target transfer parameter can also include the address of the file where data to be migrated.
It should be noted that multiple data to be migrated can be made in the present embodiment while carrying out data migration operation.
S2: when the IP address for detecting destination host is effective address, and the target master inquired according to the IP address
When the target property information of machine meets transition condition, respectively in host to be migrated and destination host creation migration interface, and obtain
Data to be migrated.
Specifically, after server-side receives migration request instruction, with detecting the IP of the destination host in target transfer parameter
Whether location is effective address.
When the IP address for detecting destination host is illegal address or inquires the IP address of fall short host, determine
The IP address of the destination host is invalid address, for example, detecting that the IP address format mistake of destination host or reality are not deposited
The destination host the case where.
When the IP address for detecting destination host is effective address, and according to the IP address access target host, and obtain
Take the target property information on destination host, wherein target property information may include residual memory space and destination host
Environmental data, and when target property information meets transition condition, respectively in host to be migrated and destination host creation migration
Interface, and data to be migrated are obtained according to the address of the file where data to be migrated.
S3: in the case where host to be migrated is in normal operating condition, data to be migrated are sent to target by migrating interface
Host obtains being stored in the target migrating data on destination host.
Specifically, when server-side detects that portfolio performed by host to be migrated is in steady shape within a preset period of time
When state, that is to say, that host to be migrated at this time is under normal operating condition, and the data to be migrated obtained in step S2 are led to
It crosses migration interface and is sent to destination host, obtain being stored in the target migrating data on destination host.
Wherein, the file memory format of target migrating data can keep and be stored in the number to be migrated on host to be migrated
According to identical format, data to be migrated can specifically include system file to be migrated, journal file and other data files
Deng.
Further, during by Data Migration to be migrated to destination host, the migration operation of generation can be recorded
Into the journal file of host to be migrated.While carrying out Data Migration, by the log generated in last round of migration operation text
Part reaches destination host, and the journal file received is constantly played back in destination host.When server-side detects one on destination host
When taking turns the log file size of migration operation generation less than preset threshold, stop data transmission to be migrated, that is to say, that data are moved
It moves and completes.Wherein, preset threshold can the default setting is 1K, herein with no restrictions.
Specifically, constantly playing back the journal file received in destination host can be by restoring checkpoint
(Checkpoint) affairs in journal file are detected, determines whether data to be migrated are all successful and is moved from host to be migrated
Move to the process of destination host.Since the speed that journal file generates is faster than the speed of Data Migration, so, journal file record
The data to be migrated completed and migrated are migrated, as long as detection is transmitted to target migrating data and the day of destination host
Whether the data to be migrated recorded in will file are consistent, can judge that data and target migrating data to be migrated is after Data Migration
It is no consistent.S4: data integrity and function validation verification are carried out to target migrating data.
Specifically, the data integrity validation target migrating data obtained in step S3 carried out, verifying target migration
Whether data are consistent with data to be migrated, to the function validation verification of target migrating data, pass through preset functional test side
Whether formula verifying target migrating data can normally execute feature operation.
If data integrity and function validity are verified, confirmation is proved to be successful, if data integrity validation is not
By or function validation verification do not pass through, then confirm authentication failed.
If being proved to be successful, step S5 is continued to execute.
If authentication failed, the prompt information of migration failure is sent to client.
S5: if the data integrity of target migrating data and function validation verification are all proved to be successful, respectively to wait move
It moves host and destination host sends service switching instruction, so as to carry out service switching between host to be migrated and destination host.
Specifically, after carrying out data integrity and function validation verification to target migrating data according to step S4, if testing
It demonstrate,proves successfully, i.e. target migrating data is complete, and can normally execute corresponding feature operation, illustrates that destination host has succeeded together
All data to be migrated of host to be migrated have been walked, then have sent service switching instruction to host to be migrated and destination host respectively,
Host to be migrated is set to stop working, destination host takes over the corresponding function of data to be migrated that host to be migrated executes, i.e. target
Host brings into operation the application system or application software of host to be migrated at this time, to realize host and destination host to be migrated
Service switching.
It should be noted that if load on host computers to be migrated is overweight, then master to be migrated can be discharged after Data Migration success
Data to be migrated on machine.In addition, when carrying out service switching, it is also an option that when portfolio is lower than preset amount threshold
Service switching is carried out, so that amplitude peak reduces the system exception problem generated when service switching.
In the present embodiment, migration request instruction is received, when the IP address for detecting destination host is effective address, and root
When the target property information of the destination host inquired according to the IP address meets transition condition, respectively in host to be migrated and target
Host creation migration interface, and data to be migrated are obtained, in the case where host to be migrated is in normal operating condition, by data to be migrated
It is sent to destination host by migrating interface, obtains being stored in the target migrating data on destination host, to target migrating data
It carries out data integrity and function validity is verified, if be proved to be successful, respectively to host to be migrated and destination host
Service switching instruction is sent, so as to execute service switching between host to be migrated and destination host.Pass through the mesh to destination host
The matching of attribute information and transition condition is marked, and the data integrity and function validity of target migrating data are tested
Card, to improve the success rate and accuracy of Data Migration, it is ensured that the success of service switching, effectively promotion resource utilization,
Valuable time is saved for user.In addition, guaranteeing to realize data under the normal operation of host to be migrated avoiding service disconnection
Migration, suitable for requiring service availability stringent occasion.
In one embodiment, as shown in figure 3, in step S2, i.e., it ought detect that the IP address of destination host is effective address,
And when the target property information of the destination host inquired according to the IP address meets default transition condition, respectively to be migrated
Host and destination host creation migration interface, and obtain data to be migrated and specifically comprise the following steps:
S21: verifying the IP address of destination host, if the IP address is effective address, is visited according to the IP address
It asks destination host, and obtains target property information, wherein target property information includes residual memory space and destination host
Environmental data.
Specifically, according to the IP address of destination host, verify whether the IP address is legal address, such as verification object master
Whether the format of the IP address of machine meets the legal format of conventional IP address, if the IP address of the destination host has legal lattice
Formula, then further inquiry whether there is destination host, if inquiring destination host, it is determined that the IP address of the destination host is to have
Address is imitated, and according to the IP address access target host, obtains the target property information on destination host.Wherein, remaining storage
Space is the memory headroom that can be used for storing data to be migrated of destination host, and destination host environmental data includes that destination host is worked as
Preceding software runtime environment, such as linux system etc..
S22: if residual memory space is greater than or equal to the data volume of data to be migrated, and destination host environmental data is full
Sufficient environmental condition, it is determined that target property information meets transition condition.
Specifically, according to the residual memory space and destination host environmental data of the step S21 destination host obtained, compare
The data volume size of residual memory space and data to be migrated, if residual memory space is greater than or equal to the data of data to be migrated
Amount, the i.e. residual memory space of the destination host can be used to store the data volume of data to be migrated, and detect destination host
Environmental data is identical as environmental condition or destination host environmental data is in the range of environmental condition allows, it is determined that target category
Property information meets transition condition, that is to say, that the destination host has the condition for storing data to be migrated, otherwise, when determining target
When attribute information does not meet transition condition, to the prompt information of user feedback migration failure, and migration process is terminated.
S23: it when target property information meets transition condition, is connect respectively in host to be migrated and destination host creation migration
Mouthful, and obtain data to be migrated.
Specifically, when determining that target property information meets transition condition according to step S22, respectively in host to be migrated and
Destination host creation migration interface, and according to the place file address of data to be migrated, data to be migrated are scanned, and obtain wait move
Move data.
In the present embodiment, the IP address of destination host is verified, if the IP address is effective address, according to the IP
Address access target host, and obtain target property information, wherein target property information includes residual memory space and mesh
Hosted environment data are marked, if residual memory space is greater than or equal to the data volume of data to be migrated, and destination host environment number
According to meeting environmental condition, it is determined that target property information meets transition condition, when target property information meets default transition condition
When, respectively in host to be migrated and destination host creation migration interface, and data to be migrated are obtained, ensure that data energy to be migrated
The precondition of destination host is moved to, to improve the success rate and accuracy of Data Migration.
In one embodiment, as Fig. 4 shows, before step S1, which further includes following steps:
S6: when receive backup request instruction when, treat migrating data carry out full backup, generate and save correspond to
First snapshot document of migrating data.
Specifically, when client detects the place file of the data to be migrated for needing to be implemented snapshot operation of user's input
When address, server-side is sent to using the place file address of the data to be migrated as backup request instruction, and server-side is according to connecing
The backup request of receipts instructs, and creates snapshot interface in specified disk using third party's backup tool, will by snapshot interface
Snapshot document in host to be migrated is transmitted in third party's backup tool, wherein snapshot interface can be api interface, that is, answer
With interface, snapshot document includes the first snapshot document and incremental snapshot file corresponding to data to be migrated.
Further, by third party's backup tool, according to the place file address of data to be migrated, by data to be migrated
Full backup is carried out, that is, treats migrating data and carries out whole copies, the data to be migrated of copy are generated and correspond to number to be migrated
According to the first snapshot document, and be stored in third party's backup tool.
It should be noted that third party's backup tool can use eBackup backup software management system in the present embodiment
System, a kind of software management system for realizing virtualization backup, eBackup backup software management system are supported to FusionSphere
It is backed up with the virtual machine under VMware environment.When Stored Data Type to be migrated is virtualization storage, eBackup backup
Software management system carries out host to be migrated using the mode of tracking variation block (changed block tracking, CBT)
Backup.
S7: at interval of the scheduled time, obtaining the incremental data of host to be migrated, carries out incremental backup to incremental data,
It generates and saves the incremental snapshot file corresponding to incremental data.
Specifically, it is obtained compared with preceding primary backup by tracking variation block mode, the migrating data having altered is determined
For incremental data, and incremental backup is carried out to the incremental data, generate the incremental snapshot file for corresponding to incremental data and is saved
In third party's backup tool.Wherein, tracking variation block mode is the change that data to be migrated are tracked and recorded by way of bitmap
More situation marks the data to be migrated changed from after Last Backup.In backup next time, block mode is changed according to tracking
The data to be migrated for searching change, realize the function of incremental backup.
For example, secondary data to be migrated are compared with generating the first snapshot document in step S6, by the to be migrated of change
Data, that is, incremental data generates second of snapshot document.
It should be noted that the scheduled time can specifically be set according to the actual situation, such as in every night 11
Point carries out incremental backup, herein without limitation.In addition, the first snapshot document or incremental snapshot file that generate are essentially one
The specific file of a read-only status is able to record host to be migrated in the data to be migrated of snapshot time, so that working as Data Migration
When host to be migrated unsuccessfully being caused to lose data to be migrated, it can be carried out again through the first snapshot document or incremental snapshot file
Data convert.
In the present embodiment, when receiving backup request instruction, treats migrating data and carry out full backup, generate and save
First snapshot document obtains the incremental data of host to be migrated at interval of the scheduled time, and it is standby to carry out increment to incremental data
Part, generate and save incremental snapshot file, the backup mode combined by full backup and incremental backup, can make to generate the
One snapshot document and incremental snapshot file security, quick storage ensure that the online of transition process on third party's backup tool
Data are not lost, and can be carried out timely data recovery.
In one embodiment, as Fig. 5 shows, step S4, the i.e. integrality to target migrating data and function validity are carried out
Verifying includes the following steps:
S41: when detecting that the target migrating data on destination host is consistent with data to be migrated, confirm target transport number
According to having data integrity.
Specifically, after the completion of migration, whether the target migrating data and data to be migrated on detection destination host are consistent,
Can be by data checking tool, application configuration information verification method, or write and targetedly check program etc..
In the detection process, it if data to be migrated have more partial document data than target migrating data, is sent out to client
The attribute information for sending the partial document data having more prompts the user whether that the data file that will be had more is needed to be synchronized to target master
On machine.If detecting, target migrating data is consistent with data to be migrated, confirms that target migrating data has data integrity.
S42: if target migrating data has data integrity, using preset functional test mode to target migrating data
Carry out functional test.
Specifically, when detecting that target migrating data has data integrity according to step S41, preset function is used
Test mode further carries out functional test to target migrating data.Specific functional test mode includes but is not limited to: integrated
System migration test method customizes migration test method.Wherein, by integrated system migration test method, target is verified
Whether application software and other application in migrating data can work normally as an integrated system in destination host；By fixed
Can inhibition and generation migration test method, test require customized version program according to the own service on hosted environment to be migrated,
Become new version onto destination host by properly migrating.
S43: if functional test passes through, confirm that target migrating data has function validity.
Specifically, if passing through functional test mode preset in step S42, that is to say, that target migrating data is in target
It can be worked normally as data to be migrated on host to be migrated in host, then it is effective to confirm that target migrating data has function
Property.
If functional test does not pass through, the prompt information of migration failure is sent to client.
S44: if target migrating data has data integrity and function validity, confirm target migrating data verifying at
Otherwise function confirms target migrating data authentication failed.
Specifically, if detecting that target migrating data has data integrity and function and has according to step S41 and step S43
Effect property, then confirm that target migrating data is proved to be successful, and sends the successful prompt information of Data Migration to client, otherwise, really
Recognize target migrating data authentication failed, its prompt information of Data Migration failure is sent to client.
In the present embodiment, when detecting that the target migrating data on destination host is consistent with snapshot document, target is confirmed
Migrating data has data integrity, and carries out functional test to target migrating data using preset functional test mode, if
Functional test passes through, then confirms that target migrating data has function validity, if target migrating data have data integrity and
Function validity then confirms that target migrating data is proved to be successful, and otherwise, target migrating data authentication failed is confirmed, to improve
The success rate and accuracy of Data Migration, with the success after ensuring to host to be migrated and destination host service switching.
In one embodiment, after step S1, which further includes following steps:
When the IP address for detecting destination host is invalid address, output abnormality prompt information, abnormal prompt information is used
In the IP address for making user re-enter correct destination host.
Specifically, if inquiry fall short host, it is determined that the IP address of the destination host is invalid address, and to notice
Client sends abnormal prompt information, the valid ip address that abnormal prompt information is used to that user to be made to re-enter destination host.Its
In, inquire fall short host the case where include destination host not in current server authorization, i.e. destination host IP is not bound
Onto server-side, or the case where not actually exist the destination host.
It should be understood that the size of the serial number of each step is not meant that the order of the execution order in above-described embodiment, each process
Execution sequence should be determined by its function and internal logic, the implementation process without coping with the embodiment of the present invention constitutes any limit
It is fixed.
In one embodiment, a kind of data migration device is provided, which moves with data in above-described embodiment
Shifting method corresponds.As shown in fig. 6, the data migration device include receiving module 61, obtain module 62, delivery module 63,
Authentication module 64 and switching module 65.Detailed description are as follows for each functional module:
Further, data migration device includes:
Receiving module 61, for receiving migration request instruction, wherein migration request instruction includes target transfer parameter, mesh
Marking transfer parameter includes the IP address of destination host and the transition condition of host to be migrated, wherein transition condition includes wait move
Move the data volume and environmental condition of the data to be migrated of host；
Module 62 is obtained, for being effective address when the IP address for detecting destination host, and is looked into according to the IP address
When the target property information for the destination host ask meets transition condition, respectively in host to be migrated and destination host creation migration
Interface, and obtain data to be migrated；
Delivery module 63, in the case where host to be migrated is in normal operating condition, data to be migrated to be connect by migration
Mouth is sent to destination host, obtains being stored in the target migrating data on destination host；
Authentication module 64, for carrying out data integrity and function validation verification to target migrating data；
Switching module 65, if the data integrity and function validation verification for target migrating data are all proved to be successful,
Service switching instruction then is sent to host to be migrated and destination host respectively, so as to carry out between host to be migrated and destination host
Service switching.
Further, obtaining module 62 includes:
Verification unit 621 is verified for the IP address to destination host, if the IP address is effective address, root
According to the IP address access target host, and obtaining target property information, wherein target property information includes residual memory space,
And destination host environmental data；
Determination unit 622, if being greater than or equal to the data volume of data to be migrated for residual memory space, and target master
Machine environmental data meets environmental condition, it is determined that target property information meets transition condition；
Acquiring unit 623, for second when target property information meets transition condition, respectively in host to be migrated and mesh
Host creation migration interface is marked, and obtains data to be migrated.
Further, data migration device includes:
Full dose module 66, it is raw for carrying out full backup to the data to be migrated when receiving backup request instruction
At and save correspond to the data to be migrated the first snapshot document；
Incremental modular 67 obtains the incremental data of host to be migrated at interval of the scheduled time, to incremental data into
Row incremental backup generates and saves the incremental snapshot file corresponding to the incremental data.
Further, authentication module 64 includes:
First confirmation unit 641 detects that the target migrating data on destination host is consistent with data to be migrated for working as
When, confirmation target migrating data has data integrity；
Test cell 642 uses preset functional test mode pair if having data integrity for target migrating data
Target migrating data carries out functional test；
Second confirmation unit 643 confirms that target migrating data has function validity if passing through for functional test；
Third confirmation unit 644 confirms mesh if having data integrity and function validity for target migrating data
Mark migrating data is proved to be successful, and otherwise, confirms target migrating data authentication failed.
Further, data migration device further include:
Sending module 60, for when detect destination host IP address be invalid address when, output abnormality prompt information,
The IP address that abnormal prompt information is used to that user to be made to re-enter correct destination host.
Specific about data migration device limits the restriction that may refer to above for data migration method, herein not
It repeats again.Modules in above-mentioned data migration device can be realized fully or partially through software, hardware and combinations thereof.On
Stating each module can be embedded in the form of hardware or independently of in the processor in computer equipment, can also store in a software form
In memory in computer equipment, the corresponding operation of the above modules is executed in order to which processor calls.
In one embodiment, a kind of computer equipment is provided, which can be server, internal junction
Composition can be as shown in Figure 7.The computer equipment include by system bus connect processor, memory, network interface and
Database.Wherein, the processor of the computer equipment is for providing calculating and control ability.The memory packet of the computer equipment
Include non-volatile memory medium, built-in storage.The non-volatile memory medium is stored with operating system, computer program and data
Library.The built-in storage provides environment for the operation of operating system and computer program in non-volatile memory medium.The calculating
The database of machine equipment is for storing migrating data.The network interface of the computer equipment is used to pass through network with external terminal
Connection communication.To realize a kind of data migration method when the computer program is executed by processor.
In one embodiment, a kind of computer equipment is provided, including memory, processor and storage are on a memory
And the computer program that can be run on a processor, processor realize above-described embodiment Data Migration side when executing computer program
The step of method, such as step S1 shown in Fig. 2 to step S5.Alternatively, processor realizes above-mentioned implementation when executing computer program
The function of each module/unit of data migration device in example, such as module 61 shown in Fig. 6 is to the function of module 65.To avoid weight
Multiple, which is not described herein again.
In one embodiment, a kind of computer readable storage medium is provided, computer program is stored thereon with, is calculated
Data migration method in above method embodiment is realized when machine program is executed by processor, alternatively, the computer program is processed
The function of each module/unit in data migration device in above-mentioned apparatus embodiment is realized when device executes.To avoid repeating, here not
It repeats again.Those of ordinary skill in the art will appreciate that realizing all or part of the process in above-described embodiment method, being can be with
Relevant hardware is instructed to complete by computer program, the computer program can be stored in a non-volatile computer
In read/write memory medium, the computer program is when being executed, it may include such as the process of the embodiment of above-mentioned each method.Wherein,
To any reference of memory, storage, database or other media used in each embodiment provided herein,
Including non-volatile and/or volatile memory.Nonvolatile memory may include read-only memory (ROM), programming ROM
(PROM), electrically programmable ROM (EPROM), electrically erasable ROM (EEPROM) or flash memory.Volatile memory may include
Random access memory (RAM) or external cache.By way of illustration and not limitation, RAM is available in many forms,
Such as static state RAM (SRAM), dynamic ram (DRAM), synchronous dram (SDRAM), double data rate sdram (DDRSDRAM), enhancing
Type SDRAM (ESDRAM), synchronization link (Synchlink) DRAM (SLDRAM), memory bus (Rambus) direct RAM
(RDRAM), direct memory bus dynamic ram (DRDRAM) and memory bus dynamic ram (RDRAM) etc..
It is apparent to those skilled in the art that for convenience of description and succinctly, only with above-mentioned each function
Can unit, module division progress for example, in practical application, can according to need and by above-mentioned function distribution by different
Functional unit, module are completed, i.e., the internal structure of described device is divided into different functional unit or module, more than completing
The all or part of function of description.
Embodiment described above is merely illustrative of the technical solution of the present invention, rather than its limitations；Although referring to aforementioned reality
Applying example, invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each
Technical solution documented by embodiment is modified or equivalent replacement of some of the technical features；And these are modified
Or replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution should all
It is included within protection scope of the present invention.
Claims (10)
1. a kind of data migration method, which is characterized in that the data migration method includes:
Receive migration request instruction, wherein the migration request instruction includes target transfer parameter, the target transfer parameter packet
Include the IP address of destination host and the transition condition of host to be migrated, wherein the transition condition includes the master to be migrated
The data volume and environmental condition of the data to be migrated of machine；
When the IP address for detecting the destination host is effective address, and the target inquired according to the IP address
When the target property information of host meets the transition condition, moved respectively in the host to be migrated and destination host creation
Transposing mouth, and obtain the data to be migrated；
In the case where the host to be migrated is in normal operating condition, the data to be migrated are sent to by the migration interface
The destination host obtains the target migrating data being stored on the destination host；
Data integrity and function validation verification are carried out to the target migrating data；
If the data integrity and function validation verification of the target migrating data are all proved to be successful, respectively to described wait move
It moves host and the destination host sends service switching instruction, so as to be carried out between the host to be migrated and the destination host
Service switching.
2. data migration method as described in claim 1, which is characterized in that the IP that ought detect the destination host
Location is effective address, and the target property information of the destination host inquired according to the IP address meets the migration
When condition, respectively in the host to be migrated and destination host creation migration interface, and the data packet to be migrated is obtained
It includes:
The IP address of the destination host is verified, if the IP address is effective address, is visited according to the IP address
It asks the destination host, and obtains the target property information, wherein the target property information includes residual memory space,
And destination host environmental data；
If the residual memory space is greater than or equal to the data volume of the data to be migrated, and the destination host environment number
According to meeting the environmental condition, it is determined that the target property information meets the transition condition；
When the target property information meets the transition condition, created respectively in the host to be migrated and the destination host
The migration interface is built, and obtains the data to be migrated.
3. data migration method as described in claim 1, which is characterized in that described before the reception migration request instruction
Data migration method further include:
When receiving backup request instruction, full backup is carried out to the data to be migrated, generates and saves corresponding to described
First snapshot document of data to be migrated；
At interval of the scheduled time, the incremental data of the host to be migrated is obtained, incremental backup is carried out to the incremental data,
It generates and saves the incremental snapshot file corresponding to the incremental data.
4. data migration method as claimed in claim 3, which is characterized in that the integrality to the target migrating data
Carrying out verifying with function validity includes:
When detecting that the target migrating data on the destination host is consistent with the data to be migrated, the mesh is confirmed
Mark migrating data has data integrity；
If the target migrating data has data integrity, using preset functional test mode to the target migrating data
Carry out functional test；
If the functional test passes through, confirm that the target migrating data has function validity；
If the target migrating data has data integrity and function validity, confirm target migrating data verifying at
Otherwise function confirms the target migrating data authentication failed.
5. data migration method as described in claim 1, which is characterized in that described after the reception migration request instruction
Data migration method further include:
When the IP address for detecting the destination host is invalid address, output abnormality prompt information, the abnormal prompt letter
Cease the IP address for making user re-enter the correct destination host.
6. a kind of data migration device, which is characterized in that the data migration device includes:
Receiving module, for receiving migration request instruction, wherein the migration request instruction includes target transfer parameter, described
Target transfer parameter includes the IP address of destination host and the transition condition of host to be migrated, wherein the transition condition packet
Include the data volume and environmental condition of the data to be migrated of the host to be migrated；
Module is obtained, for being effective address when the IP address for detecting the destination host, and is looked into according to the IP address
When the target property information for the destination host ask meets the transition condition, respectively in the host to be migrated and described
Destination host creation migration interface, and obtain the data to be migrated；
Delivery module, for the data to be migrated being passed through described in the case where the host to be migrated is in normal operating condition
Migration interface is sent to the destination host, obtains the target migrating data being stored on the destination host；
Authentication module, for carrying out data integrity and function validation verification to the target migrating data；
Switching module, if the data integrity and function validation verification for the target migrating data are all proved to be successful,
Service switching instruction is sent to the host to be migrated and the destination host respectively, so that the host to be migrated and the mesh
Service switching is carried out between mark host.
7. data migration device as claimed in claim 6, which is characterized in that the acquisition module includes:
Verification unit is verified for the IP address to the destination host, if the IP address is effective address, basis
The IP address accesses the destination host, and obtains the target property information, wherein the target property information includes surplus
Remaining memory space and destination host environmental data；
Determination unit, if being greater than or equal to the data volume of the data to be migrated for the residual memory space, and described
Destination host environmental data meets the environmental condition, it is determined that the target property information meets the transition condition；
Acquiring unit, for when the target property information meets the transition condition, respectively in the host to be migrated and
The destination host creates the migration interface, and obtains the data to be migrated.
8. data migration device as claimed in claim 6, which is characterized in that the data migration device includes:
Full dose module, for carrying out full backup to the data to be migrated, generating and protect when receiving backup request instruction
Deposit the first snapshot document corresponding to the data to be migrated；
Incremental modular, for the incremental data of the host to be migrated being obtained, to the incremental data at interval of the scheduled time
Incremental backup is carried out, generate corresponding to the incremental data and saves incremental snapshot file.
9. a kind of computer equipment, including memory, processor and storage are in the memory and can be in the processor
The computer program of upper operation, which is characterized in that the processor realized when executing the computer program as claim 1 to
The step of any one of 5 data migration method.
10. a kind of computer readable storage medium, the computer-readable recording medium storage has computer program, and feature exists
In the step of realization data migration method as described in any one of claim 1 to 5 when the computer program is executed by processor
Suddenly.
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| CN114860694A (en) * | 2022-07-05 | 2022-08-05 | 东方电气风电股份有限公司 | Asynchronous collaborative data migration method and device for wind power plant monitoring system |
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Application publication date: 20181221 |