CN106933517A - A kind of data migration method and device - Google Patents
A kind of data migration method and device Download PDFInfo
- Publication number
- CN106933517A CN106933517A CN201710161169.9A CN201710161169A CN106933517A CN 106933517 A CN106933517 A CN 106933517A CN 201710161169 A CN201710161169 A CN 201710161169A CN 106933517 A CN106933517 A CN 106933517A
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- data
- physical host
- image file
- move media
- essential information
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
- G06F3/0646—Horizontal data movement in storage systems, i.e. moving data in between storage devices or systems
- G06F3/0647—Migration mechanisms
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0602—Interfaces specially adapted for storage systems specifically adapted to achieve a particular effect
- G06F3/0604—Improving or facilitating administration, e.g. storage management
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
- G06F3/0662—Virtualisation aspects
- G06F3/0667—Virtualisation aspects at data level, e.g. file, record or object virtualisation
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (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 kind of data migration method and device, the time for saving Data Migration, transport efficiency is improved.The method of the embodiment of the present invention includes：Determine the essential information of physical host, the essential information according to physical host creates the image file of virtual machine in the storage of move media, afterwards, read the data to be migrated in physical host, data to be migrated are write into the image file.In this way, by the Data Migration in physical host to move media, image file is stored as, in order to subsequently create virtual machine according to the image file.Data migration method in the embodiment of the present invention is directly by the digital independent in physical host and write-in to move media, and need not be transmitted by network, transition process is not influenceed by network quality, therefore, it is possible to save the time of Data Migration, it is possible to increase transport efficiency.
Description
Technical field
The application is related to field of computer technology, more particularly to a kind of data migration method and device.
Background technology
It refers to by technological means, by physics that physical host is migrated to virtual machine (Physical to Virtual, P2V)
Data in magnetic disk inside main frame is converted into the corresponding mirror image of virtual machine.
P2V migrations mainly have two kinds of thermophoresis and cold migration：Thermophoresis is to be with the physical host normal work being migrated
Data on physical host are changed into virtual machine image by premise；Cold migration is to interrupt, close the original service of server for preceding
Carry, the data on physical host are converted into virtual machine image.
In the prior art, P2V migration both of which be that data interaction is carried out by network, have corresponding service end and
Client is, it is necessary to carry out network transmission.Therefore, either cold migration or thermophoresis, the time of migration can all be subject to data volume
Size and network quality influence, when data volume is big, when network quality is bad, transit time indefinite extension can be caused.
The content of the invention
A kind of data migration method and device are the embodiment of the invention provides, the time of Data Migration can be saved, improved
Transport efficiency.
In a first aspect, the embodiment of the invention provides a kind of data migration method, the method is applied to physical host
Data Migration to move media, wherein, move media is connected to physical host by physical interface, and the method includes：Determine thing
Manage the essential information of main frame；Image file is created in the storage of move media according to essential information；Read treating for physical host
Data to be migrated are write image file by migrating data, and image file is used to create virtual machine.
Optionally, the method also includes：The Free Partition of move media is loaded, and formats Free Partition；
Creating image file in the storage of move media according to essential information includes：According to essential information in move media
Free Partition create image file.
Optionally, the detailed process of the data to be migrated of reading physical host is：Determine the data disks bitmap of physical host,
The corresponding disk sector data of data disks bitmap are read, data to be migrated include the corresponding disk sector data of data disks bitmap.
Optionally, the method also includes：The configuration text of virtual machine is created in the storage of move media according to essential information
Part, the configuration file of virtual machine is used to create virtual machine.
Optionally, the essential information includes memory size, disk size or the network interface card number of physical host.
Optionally, move media connection server of cloud platform, the method also includes：Server of cloud platform is according to movement
Image file and configuration file in medium create virtual machine.
Second aspect, the embodiment of the present invention also provides a kind of data migration device, and the device includes：
Information determination unit, the essential information for determining physical host；
Image file creating unit, for creating image file in the storage of move media according to essential information；
Data-reading unit, the data to be migrated for reading physical host；
Data write unit, for data to be migrated to be write into image file, image file is used to create virtual machine.
Optionally, the device also includes：
Loading unit, for loading the Free Partition of move media, and formats Free Partition；
Image file creating unit, specifically for creating mirror image text in the Free Partition of move media according to essential information
Part.
Optionally, data-reading unit, the data disks bitmap specifically for determining physical host, reads data disks bitmap pair
The disk sector data answered, data to be migrated include the corresponding disk sector data of data disks bitmap.
Optionally, device also includes：Configuration file creating unit, for according to essential information in the storage of move media
The configuration file of virtual machine is created, the configuration file of virtual machine is used to create virtual machine.
Optionally, information determination unit, the essential information specifically for determining physical host, essential information includes physics master
The memory size of machine, disk size or network interface card number.
As can be seen from the above technical solutions, the embodiment of the present invention has advantages below：
It is that move media is connected to physical host by physical interface in the embodiment of the present invention, first determines physical host
Essential information, the essential information according to physical host creates the image file of virtual machine in the storage of move media, afterwards,
The data to be migrated in physical host are read, data to be migrated are write into the image file.In this way, by physics master
In Data Migration to move media in machine, image file is stored as, in order to subsequently create virtual machine according to the image file.
Data migration method in the embodiment of the present invention be directly by the digital independent in physical host and write-in in move media, and
Need not be transmitted by network, transition process is not influenceed by network quality, therefore, it is possible to save the time of Data Migration,
Transport efficiency can be improved.
Brief description of the drawings
Fig. 1 is a kind of schematic diagram of data migration method in the embodiment of the present invention；
Fig. 2 is a kind of flow chart of data migration method in the embodiment of the present invention；
Fig. 3 is another flow chart of data migration method in the embodiment of the present invention；
Fig. 4 is a kind of functional module structure figure of the data migration device in the embodiment of the present invention.
Specific embodiment
The embodiment of the present invention is further elaborated below in conjunction with accompanying drawing.
As shown in figure 1, the data migration method of the embodiment of the present invention is that the Data Migration in physical host is situated between to mobile
Data in move media afterwards, can be imported into server of cloud platform by matter, generate virtual machine, then by virtual machine configuration
To tenant.Such that it is able to by the Data Migration in physical host to cloud platform, wherein, data can include physical host on behaviour
Make system and operation application software and data on an operating system.
Wherein, physical host can with handheld device, mobile unit, computing device, and various forms of user equipmenies,
It can be server.
Move media can be mobile hard disk, USB flash disk, or other can access the device of physical host by physical interface,
Physical interface can be USB (Universal Serial Bus, USB) interface.
Cloud platform is a set of virtualization multi-tenant environment built based on cloud computing management platform frameworks such as openstack,
It is made up of the server cluster of multiple servers or distributed deployment.Tenant is the user using the resource of cloud platform.
Data migration method in the embodiment of the present invention goes for P2V thermophoresis and cold migration.With reference to Fig. 2 pairs
Data migration method in the embodiment of the present invention is introduced.The data migration method can be held by the processor of physical host
OK.
201st, the essential information of physical host is determined；
After move media is inserted into physical host, the processor of physical host is scanned to the essential information of itself,
Determine the essential information of physical host, wherein, essential information includes memory size, disk size, the network interface card number of physical host
Etc. information.
202nd, image file is created in the storage of the move media according to the essential information；
Processor in the storage of move media according to the essential information it is determined that after the essential information of physical host, create
Image file, specifically, information creating and these information such as memory size, disk size, network interface card number according to physical host
The image file for matching, the image file is used for follow-up establishment virtual machine.
Optionally, after move media insertion physical host, the free time point of the processor loading move media of physical host
Area, and the Free Partition is formatted, using the Free Partition as the memory space for being migrated data, i.e. processor according to
Essential information creates the image file in the Free Partition of move media.
203rd, the data to be migrated of physical host are read；
Wherein, data to be migrated can include the application software and data on physical host, can also include physical host
The data such as the operating system of upper operation.
Reading the concrete mode of the data to be migrated of physical host can be：Determine the data disks bitmap (tool of physical host
Body is to determine on physical host other data disks bitmaps in addition to move media), read the corresponding magnetic of the data disks bitmap
Disk sector data, the data to be migrated are the corresponding disk sector data of the data disks bitmap.
204th, data to be migrated are write into the image file.
After the data to be migrated for reading physical host, data to be migrated are written in the storage in move media and are created
Image file in.
Optionally, create image file while, processor always according to the essential information move media storage
The middle configuration file for creating virtual machine, the configuration file and the image file are used to create virtual machine.
It is that move media is connected to physical host by physical interface in the embodiment of the present invention, first determines physical host
Essential information, the essential information according to physical host creates the image file of virtual machine in the storage of move media, afterwards,
The data to be migrated in physical host are read, data to be migrated the image file is write into, in order to subsequently according to the mirror image
Document creation virtual machine.Data migration method in the embodiment of the present invention is directly by the digital independent in physical host and to write
Into move media, and need not be transmitted by network, transition process is not influenceed by network quality, therefore, it is possible to save
The time of Data Migration, it is possible to increase transport efficiency.
After by the Data Migration on physical host to move media, move media is inserted in server of cloud platform,
Image file and configuration file of the server of cloud platform in move media create virtual machine, and the data in the virtual machine are
Be the data on physical host, if physical host migrate to the image file of move media include operating system, this is virtual
The operating system of machine is consistent with the operating system on physical host.
It should be noted that processor is when the data migration method shown in Fig. 2 is performed, can be specifically operation virtualization
Platform carries out Data Migration, and the virtual platform may be mounted in move media, it is also possible in physical host.The void
Planization platform can be the instruments such as sangfor aSV.
With reference to Fig. 3, processor data moving method is introduced.
1st, the physical host for being migrated move media insertion, physical host is set to start from move media, is entered
Virtual platform；
2nd, start P2V migration flows, the address for depositing data to be migrated be set to the Free Partition of local move media,
Or move media is zoning simulated into iscsi storages, as the data storage volume that P2V is migrated.
3rd, log-on data migration, the disk of the physical host that will be migrated is set to the source data area being migrated, purpose point
Area is the Free Partition of move media, starts migration；Whole transition process is automatically performed, as long as insertion move media is restarted, just
Automatically begin to migration.
The concrete processing procedure of migration includes：
301st, other data disks bitmaps in addition to move media are read；
302nd, the Free Partition of move media is loaded, and is formatted；
303rd, the essential information of the physical host that determination is migrated, such as disk size, network interface card number information；
304th, the essential information according to the physical host being migrated creates image file and the corresponding configuration text of virtual machine
Part；
305th, the related physical disk sector data of data disks bitmap is read；
306th, the image file created in the physical disk sector data write step 304 for reading step 305；
307th, Data Migration is completed.
Afterwards, move media is inserted into server of cloud platform, is automatically imported newly-built into virtual machine, and virtual machine distributed
To corresponding tenant.
By above-mentioned flow, the data migration problems that virtualization centralized management runs into can be actually solved, while can provide
Unusual easily Consumer's Experience.
Above is the introduction carried out to the data migration method in example of the present invention, below from functional module angle to the present invention
Data migration device in embodiment is introduced.
As shown in figure 4, the data migration device in the embodiment of the present invention includes：
Information determination unit 401, the essential information for determining physical host；
Image file creating unit 402, for the depositing in move media of the essential information in information determination unit 401
Image file is created in storage；
Data-reading unit 403, the data to be migrated for reading physical host；
Data write unit 404, for the mirror image text that will be created in data to be migrated write-in image file creating unit 402
Part, wherein, the image file is used to create virtual machine.
In some specific embodiments, the device also includes：Loading unit 405, the free time for loading move media
Subregion, and format the Free Partition；The image file creating unit 402, specifically for being situated between mobile according to essential information
The Free Partition of matter creates image file.
In some specific embodiments, data-reading unit 403, the data disks position specifically for determining physical host
Figure, reads the corresponding disk sector data of data disks bitmap, and data to be migrated include the corresponding disk sector number of data disks bitmap
According to.
In some specific embodiments, the device also includes：
Configuration file creating unit 406, for creating matching somebody with somebody for virtual machine in the storage of move media according to essential information
File is put, the configuration file of virtual machine is used to create virtual machine.
In some specific embodiments, information determination unit 401, the essential information specifically for determining physical host,
Essential information includes memory size, disk size or the network interface card number of physical host.
The information exchange between each unit in the device can refer to the above method embodiment (reality shown in Fig. 1 to Fig. 3
Apply example), the application is not repeated.
It should be noted that in the above-described embodiments, can wholly or partly by software, hardware, firmware or its
It is combined to realize.When implemented in software, can realize in the form of a computer program product whole or in part.
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 schematical, for example, the unit
Divide, only a kind of division of logic function there can be other dividing mode when actually realizing, for example multiple units or component
Can combine or be desirably integrated into another system, or some features can be ignored, or do 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 of device or unit by some interfaces
Close or communicate to connect, can be electrical, mechanical or other forms.
The unit that is illustrated as separating component 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 with positioned at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be according to the actual needs selected to realize the mesh of this embodiment scheme
's.
In addition, during 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 can both 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 to realize in the form of SFU software functional unit and as independent production marketing or use
When, can store in a computer read/write memory medium.Based on such understanding, the technical scheme of the application is substantially
The part for being contributed 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, including some instructions are used to so that a computer
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 foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (Read-Only Memory,
ROM), random access memory (Random Access Memory, RAM), magnetic disc or CD etc. are various can be with storage program
The medium of code.
The above, above example is only used to illustrate the technical scheme of the application, rather than its limitations；Although with reference to preceding
Embodiment is stated to be described in detail the application, it will be understood by those within the art that：It still can be to preceding
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 spirit and scope of essence disengaging each embodiment technical scheme of the application of appropriate technical solution.
Claims (11)
1. a kind of data migration method, it is characterised in that methods described is applied to be situated between the Data Migration of physical host to mobile
Matter, the move media is connected to the physical host by physical interface, and methods described includes：
Determine the essential information of the physical host；
Image file is created in the storage of the move media according to the essential information；
The data to be migrated of the physical host are read, the data to be migrated are write into the image file, the mirror image text
Part is used to create virtual machine.
2. method according to claim 1, it is characterised in that methods described also includes：
The Free Partition of the move media is loaded, and formats the Free Partition；
It is described image file is created in the storage of the move media according to the essential information to include：
Free Partition according to the essential information in the move media creates the image file.
3. method according to claim 1, it is characterised in that the data to be migrated of the reading physical host, bag
Include：
Determine the data disks bitmap of the physical host, read the corresponding disk sector data of the data disks bitmap, it is described to treat
Migrating data includes the corresponding disk sector data of the data disks bitmap.
4. according to the method in any one of claims 1 to 3, it is characterised in that methods described also includes：
Create the configuration file of virtual machine in the storage of the move media according to the essential information, the virtual machine is matched somebody with somebody
File is put for creating virtual machine.
5. according to the method in any one of claims 1 to 3, it is characterised in that
The essential information includes memory size, disk size or the network interface card number of the physical host.
6. method according to claim 4, it is characterised in that the move media connects server of cloud platform, described
Method also includes：
The image file and the configuration file of the server of cloud platform in the move media create virtual
Machine.
7. a kind of data migration device, it is characterised in that described device includes：
Information determination unit, the essential information for determining physical host；
Image file creating unit, for creating image file in the storage of move media according to the essential information；
Data-reading unit, the data to be migrated for reading the physical host；
Data write unit, for the data to be migrated to be write into the image file, the image file is used to create void
Plan machine.
8. device according to claim 7, it is characterised in that described device also includes：
Loading unit, for loading the Free Partition of the move media, and formats the Free Partition；
The image file creating unit, creates specifically for the Free Partition according to the essential information in the move media
The image file.
9. device according to claim 7, it is characterised in that
The data-reading unit, the data disks bitmap specifically for determining the physical host, reads the data disks bitmap
Corresponding disk sector data, the data to be migrated include the corresponding disk sector data of the data disks bitmap.
10. the device according to any one of claim 7 to 9, it is characterised in that described device also includes：
Configuration file creating unit, for creating matching somebody with somebody for virtual machine in the storage of the move media according to the essential information
File is put, the configuration file of the virtual machine is used to create virtual machine.
11. device according to any one of claim 7 to 9, it is characterised in that
Described information determining unit, the essential information specifically for determining physical host, the essential information includes the physics
The memory size of main frame, disk size or network interface card number.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710161169.9A CN106933517A (en) | 2017-03-17 | 2017-03-17 | A kind of data migration method and device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710161169.9A CN106933517A (en) | 2017-03-17 | 2017-03-17 | A kind of data migration method and device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107908423A (en) * | 2017-11-20 | 2018-04-13 | 深圳市沃特沃德股份有限公司 | Configuration method and device of vehicle-mounted system |
| CN109189554A (en) * | 2018-08-20 | 2019-01-11 | 郑州云海信息技术有限公司 | A kind of method and device of virtual machine complete machine thermophoresis |
| CN109995814A (en) * | 2017-12-29 | 2019-07-09 | 中移(苏州)软件技术有限公司 | Moving method and device, communication equipment, the storage medium of cloud host resource |
| CN110737502A (en) * | 2018-07-19 | 2020-01-31 | 阿里巴巴集团控股有限公司 | Method, device and system for processing mirror image file |
| CN110928557A (en) * | 2018-09-19 | 2020-03-27 | 阿里巴巴集团控股有限公司 | Method, device and system for realizing migration of operating system |
| CN111104201A (en) * | 2019-12-11 | 2020-05-05 | 中国联合网络通信集团有限公司 | System migration method and device, electronic equipment and storage medium |
| CN112631991A (en) * | 2020-12-26 | 2021-04-09 | 中国农业银行股份有限公司 | File migration method and device |
| CN113835644A (en) * | 2021-11-26 | 2021-12-24 | 深圳市科力锐科技有限公司 | Complete machine migration method, device, equipment and storage medium |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107908423A (en) * | 2017-11-20 | 2018-04-13 | 深圳市沃特沃德股份有限公司 | Configuration method and device of vehicle-mounted system |
| CN107908423B (en) * | 2017-11-20 | 2021-09-21 | 深圳市沃特沃德股份有限公司 | Configuration method and device of vehicle-mounted system |
| CN109995814A (en) * | 2017-12-29 | 2019-07-09 | 中移(苏州)软件技术有限公司 | Moving method and device, communication equipment, the storage medium of cloud host resource |
| CN109995814B (en) * | 2017-12-29 | 2021-08-13 | 中移(苏州)软件技术有限公司 | Cloud host resource migration method and device, communication equipment and storage medium |
| CN110737502A (en) * | 2018-07-19 | 2020-01-31 | 阿里巴巴集团控股有限公司 | Method, device and system for processing mirror image file |
| CN110737502B (en) * | 2018-07-19 | 2023-05-05 | 阿里巴巴集团控股有限公司 | Mirror image file processing method, device and system |
| CN109189554A (en) * | 2018-08-20 | 2019-01-11 | 郑州云海信息技术有限公司 | A kind of method and device of virtual machine complete machine thermophoresis |
| CN110928557A (en) * | 2018-09-19 | 2020-03-27 | 阿里巴巴集团控股有限公司 | Method, device and system for realizing migration of operating system |
| CN110928557B (en) * | 2018-09-19 | 2023-05-09 | 阿里巴巴集团控股有限公司 | Method, device and system for realizing migration of operating system |
| CN111104201A (en) * | 2019-12-11 | 2020-05-05 | 中国联合网络通信集团有限公司 | System migration method and device, electronic equipment and storage medium |
| CN112631991A (en) * | 2020-12-26 | 2021-04-09 | 中国农业银行股份有限公司 | File migration method and device |
| CN113835644A (en) * | 2021-11-26 | 2021-12-24 | 深圳市科力锐科技有限公司 | Complete machine migration method, device, equipment and storage medium |
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