CN106227587B - A kind of band snapshot virtual machine complete machine dynamic migration method and device - Google Patents
A kind of band snapshot virtual machine complete machine dynamic migration method and device Download PDFInfo
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- 230000005012 migration Effects 0.000 title claims abstract description 66
- 238000013508 migration Methods 0.000 title claims abstract description 66
- 238000000034 method Methods 0.000 title claims abstract description 47
- 230000005540 biological transmission Effects 0.000 claims abstract description 70
- 238000010276 construction Methods 0.000 claims abstract description 20
- 238000001514 detection method Methods 0.000 claims abstract description 12
- 230000008569 process Effects 0.000 claims abstract description 12
- 238000011084 recovery Methods 0.000 claims abstract description 11
- 230000000694 effects Effects 0.000 abstract description 2
- 230000006870 function Effects 0.000 description 16
- 238000005516 engineering process Methods 0.000 description 6
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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
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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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Abstract
The invention discloses a kind of band snapshot virtual machine complete machine dynamic migration methods, comprising: the logical construction in detection source magnetic disk of virtual machine between source disk file and snapshot, and save；After receiving migration order, the transmission channel of source storage equipment and target side storage equipment is opened to transmit the transmission data being made of source disk file and snapshot；Logical relation after transmitting the basic data end of transmission in data, according to logical construction recovery resource magnetic disk of virtual machine in target side storage equipment；After basic data is recovered, using mirror function target virtual machine disk of the dynamic data synchronization in data into target side storage equipment will be transmitted, and current virtual machine operating status is switched into target side storage equipment by source storage equipment.The process with snapshot virtual machine complete machine dynamic migration can be completed by the above method.In addition, invention additionally discloses a kind of band snapshot virtual machine complete machine dynamic migration device, effect is as above.
Description
Technical field
The present invention relates to field of computer technology, more particularly to a kind of band snapshot virtual machine complete machine dynamic migration method and
Device.
Background technique
With the development of computer technology and internet and the rise of cloud computing technology, in current increasingly automated, technology
Under the economic environment of driving, server virtualization technology has shown huge resource consolidation advantage, by server physical resource
It is abstracted into logical resource, allows a server to become several even up to a hundred mutually isolated virtual machines, we are no longer limited by
Boundary physically, but " resource pool " for allowing the hardware such as CPU, memory, disk, I/O to become dynamically to manage, to improve
The utilization rate of resource simplifies system administration, IT is allowed to have more adaptive faculty to the variation of business.
Magnetic disk of virtual machine " snapshot " is magnetic disk of virtual machine file in some point timely duplicate.System crash or system are different
Often, disk file system and system can be kept to store by using snapshot is restored to.When upgrade application and server and give
When their patch installing, the effect of snapshot is particularly important.
In specific implementation, it is sometimes necessary to will lack with snapshot virtual machine complete machine dynamic migration, but in the prior art
Corresponding method, to affect the high efficiency and adaptability of server virtualization.
It can be seen that how to realize with snapshot virtual machine complete machine dynamic migration with improve the high efficiency of server virtualization with
Adaptability is those skilled in the art's urgent problem to be solved.
Summary of the invention
The object of the present invention is to provide a kind of band snapshot virtual machine complete machine dynamic migration method and devices, fast for realizing band
The high efficiency and adaptability of server virtualization are improved according to virtual machine complete machine dynamic migration.
In order to solve the above technical problems, the present invention provides a kind of band snapshot virtual machine complete machine dynamic migration method, comprising:
S10: the logical construction in detection source magnetic disk of virtual machine between source disk file and snapshot, and save；
S11: after receiving migration order, source storage equipment is opened with the transmission channel of target side storage equipment to pass
The defeated transmission data being made of the source disk file and the snapshot；
S12: after the basic data end of transmission transmitted in data, according to the logical construction in the target side
Restore the logical relation of the source virtual machine disk in storage equipment；
S13: after the basic data is recovered, using mirror function with by it is described transmission data in dynamic number
According to the target virtual machine disk being synchronized in the target side storage equipment, and by current virtual machine operating status by the source
Storage equipment switches to target side storage equipment.
Preferably, further includes: the transmission rate of the transmission channel is adjusted in transmitting the transmission data procedures.
Preferably, further includes: the band snapshot virtual machine complete machine dynamic migration process is completed in prompt.
A kind of band snapshot virtual machine complete machine dynamic migration device, comprising:
Source stores analysis module, for the logic knot in detection source magnetic disk of virtual machine between source disk file and snapshot
Structure, and save；
Data Migration transmission module is stored for after receiving migration order, opening source storage equipment with target side
The transmission channel of equipment is to transmit the transmission data being made of the source disk file and the snapshot；
Data in magnetic disk logic recovery module, for after basic data end of transmission in the transmission data, according to institute
State the logical relation that logical construction restores the source virtual machine disk in target side storage equipment；
Mirror synchronization module, for after the basic data is recovered, using mirror function with by the biography
Target virtual machine disk of the dynamic data synchronization into target side storage equipment in transmission of data, and current virtual machine is transported
Row state switches to target side storage equipment by source storage equipment.
Preferably, the Data Migration transmission module includes data transmission control module, for transmitting the transmission number
According to the transmission rate for adjusting the transmission channel in the process.
Preferably, further includes: cue module is completed in migration, for prompting the completion band snapshot virtual machine complete machine dynamic to move
Move past journey.
Preferably, the source storage analysis module and the mirror synchronization module are integrated in the source storage equipment
The server at place, the data in magnetic disk logic recovery module are integrated in the server where the target side storage equipment.
Band snapshot virtual machine complete machine dynamic migration method and device provided by the present invention, first detection source disk file with
Logical construction between snapshot, and save；Then the basic data in data will be transmitted, and logically structure restores logical relation,
It recycles mirror function to synchronize remaining dynamic data, the mistake with snapshot virtual machine complete machine dynamic migration is completed with this
Journey.
Detailed description of the invention
In order to illustrate the embodiments of the present invention more clearly, attached drawing needed in the embodiment will be done simply below
It introduces, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ordinary skill people
For member, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of flow chart with snapshot virtual machine complete machine dynamic migration method provided by the invention；
Fig. 2 is that a kind of source provided by the invention stores the corresponding building-block of logic of equipment；
Fig. 3 is that a kind of destination provided by the invention stores the corresponding building-block of logic of equipment；
Fig. 4 is a kind of structure chart with snapshot virtual machine complete machine dynamic migration device provided by the invention；
Fig. 5 is another structure chart with snapshot virtual machine complete machine dynamic migration device provided by 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 only a part of the embodiments of the present invention, rather than whole embodiments.Based on this
Embodiment in invention, those of ordinary skill in the art are without making creative work, obtained every other
Embodiment belongs to the scope of the present invention.
Core of the invention is to provide a kind of band snapshot virtual machine complete machine dynamic migration method and device.
In order to enable those skilled in the art to better understand the solution of the present invention, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.
Fig. 1 is a kind of flow chart with snapshot virtual machine complete machine dynamic migration method provided by the invention.Fig. 2 is the present invention
The corresponding building-block of logic of a kind of source storage equipment provided.Fig. 3 is that a kind of destination provided by the invention stores equipment pair
The building-block of logic answered.As shown in Figure 1, including: with snapshot virtual machine complete machine dynamic migration method
S10: the logical construction in detection source magnetic disk of virtual machine between source disk file and snapshot, and save.
S11: after receiving migration order, source storage equipment is opened with the transmission channel of target side storage equipment to pass
The defeated transmission data being made of source disk file and snapshot.
S12: extensive in target side storage equipment according to logical construction after transmitting the basic data end of transmission in data
The logical relation of multiple source virtual machine disk.
S13: after basic data is recovered, using mirror function the dynamic data synchronization in data will be transmitted extremely
Target side stores the target virtual machine disk in equipment, and current virtual machine operating status is switched to mesh by source storage equipment
It marks end and stores equipment.
After receiving migration order (having band snapshot virtual machine complete machine dynamic migration demand), detection source storage first is set
Logical construction in the source virtual machine disk set between source disk file and snapshot, and save.As shown in Fig. 2, source disk is literary
Part is the inherent data that source stores disk in equipment, if not carrying out beating snapshot, source disk file is exactly above to move
State data (transmission data are divided into dynamic data and basic data), are exactly basic data otherwise.If having carried out beating snapshot,
First snapshot Snap-1 is exactly dynamic data, if as soon as making a call to Zhang Kuaizhao again, then first snapshot Snap-1 becomes basic number
According to second snapshot Snap-2 is exactly dynamic data, if as soon as making a call to Zhang Kuaizhao again, then second snapshot Snap-2 becomes basis
Data, third Zhang Kuaizhao Snap-3 is exactly dynamic data, and so on.It can be seen that being moved in band snapshot virtual machine complete machine dynamic
Always with the presence of dynamic data and basic data during moving.
The preparation being equivalent to after having detected logical construction before completing migration, at this time if receiving migration order
Afterwards, the transmission channel of source storage equipment and target side storage equipment is opened.
In specific implementation, the moving method of dynamic data and basic data is different, and the moving method of basic data can be with
It is directly to transmit, but the moving method of dynamic data needs to utilize mirror function.The migration of dynamic data cannot be adopted directly
With the mode of reading, need to synchronize using mirror function.
It is the transmission for carrying out basic data first, source storage equipment can be read directly in the transmission of basic data here
Data in magnetic disk, after basic data end of transmission, the logical construction saved according to step S10 is extensive in target side storage equipment
The logical relation of multiple source virtual machine disk, i.e., place whole basic datas according to original structure.
Then, using mirror function, by target virtual machine disk of the dynamic data synchronization into target side storage equipment.
As shown in Figures 2 and 3, the corresponding building-block of logic of target side storage equipment building-block of logic phase corresponding with source storage equipment
Together, it only in this way just can guarantee that transmission data are not chaotic.
At this point, whole transition process is completed, since current virtual machine operating status still stores in setting in source,
Therefore, it is necessary to current virtual machine operating status is switched to target side storage equipment by source storage equipment.
As a preferred embodiment, further include: transmission channel is adjusted in transmitting the transmission data procedures
Transmission rate.
It in transmission process, needs to adjust the transmission rate of transmission channel at any time, high speed data transfer is avoided with this, occupy
Physical server upper layer network I/O specific gravity is excessive, and influences physical server performance.It is understood that transmission rate how
Depending on adjustment needs the operating status according to physical server upper layer network, the present invention is repeated no more.
As a preferred embodiment, further include: band snapshot virtual machine complete machine dynamic migration process is completed in prompt.
Since above-mentioned steps need certain execution time, in order to allow user recognize in time transition process into
Degree exports prompt information after the completion of transition process to prompt user's transition process to finish.
A kind of band snapshot virtual machine complete machine dynamic migration method provided in this embodiment, first detection source disk file and fast
Logical construction according between, and save；Then the basic data in data will be transmitted, and logically structure restores logical relation, then
Remaining dynamic data is synchronized using mirror function, the mistake with snapshot virtual machine complete machine dynamic migration is completed with this
Journey.
Fig. 4 is a kind of structure chart with snapshot virtual machine complete machine dynamic migration device provided by the invention.As shown in figure 4,
Include: with snapshot virtual machine complete machine dynamic migration device
Source stores analysis module 10, for the logic knot in detection source magnetic disk of virtual machine between source disk file and snapshot
Structure, and save；
Data Migration transmission module 11 is connect with source storage analysis module 10, for opening after receiving migration order
The transmission channel of source storage equipment and target side storage equipment is opened to transmit the transmission number being made of source disk file and snapshot
According to；
Data in magnetic disk logic recovery module 12 is connect with Data Migration transmission module 11, for when the basis in transmission data
Logical relation after data end of transmission, according to logical construction recovery resource magnetic disk of virtual machine in target side storage equipment；
Mirror synchronization module 13 is connect with data in magnetic disk logic recovery module 12, for being recovered when basic data
Afterwards, using mirror function target virtual machine magnetic of the dynamic data synchronization in data into target side storage equipment will be transmitted
Disk, and current virtual machine operating status is switched into target side storage equipment by source storage equipment.
After receiving migration order (having band snapshot virtual machine complete machine dynamic migration demand), detection source storage first is set
Logical construction in the source virtual machine disk set between source disk file and snapshot, and save.As shown in Fig. 2, source disk is literary
Part is the inherent data that source stores disk in equipment, if not carrying out beating snapshot, source disk file is exactly above to move
State data (transmission data are divided into dynamic data and basic data), are exactly basic data otherwise.If having carried out beating snapshot,
First snapshot Snap-1 is exactly dynamic data, if as soon as making a call to Zhang Kuaizhao again, then first snapshot Snap-1 becomes basic number
According to second snapshot Snap-2 is exactly dynamic data, if as soon as making a call to Zhang Kuaizhao again, then second snapshot Snap-2 becomes basis
Data, third Zhang Kuaizhao Snap-3 is exactly dynamic data, and so on.It can be seen that being moved in band snapshot virtual machine complete machine dynamic
Always with the presence of dynamic data and basic data during moving.
The preparation being equivalent to after having detected logical construction before completing migration, at this time if receiving migration order
Afterwards, the transmission channel of source storage equipment and target side storage equipment is opened.
In specific implementation, the moving method of dynamic data and basic data is different, and the moving method of basic data can be with
It is directly to transmit, but the moving method of dynamic data needs to utilize mirror function.The migration of dynamic data cannot be adopted directly
With the mode of reading, need to synchronize using mirror function.
It is the transmission for carrying out basic data first, source storage equipment can be read directly in the transmission of basic data here
Data in magnetic disk, after basic data end of transmission, according to the logical construction saved, recovery resource is empty in target side storage equipment
The logical relation of quasi- machine disk, i.e., place whole basic datas according to original structure.
Then, using mirror function, by target virtual machine disk of the dynamic data synchronization into target side storage equipment.
As shown in Figures 2 and 3, the corresponding building-block of logic of target side storage equipment building-block of logic phase corresponding with source storage equipment
Together, it only in this way just can guarantee that transmission data are not chaotic.
At this point, whole transition process is completed, since current virtual machine operating status still stores in setting in source,
Therefore, it is necessary to current virtual machine operating status is switched to target side storage equipment by source storage equipment.
A kind of band snapshot virtual machine complete machine dynamic migration device provided in this embodiment, first detection source disk file and fast
Logical construction according between, and save；Then the basic data in data will be transmitted, and logically structure restores logical relation, then
Remaining dynamic data is synchronized using mirror function, the mistake with snapshot virtual machine complete machine dynamic migration is completed with this
Journey.
Fig. 5 is another structure chart with snapshot virtual machine complete machine dynamic migration device provided by the invention.Preferably, number
It include data transmission control module 110 according to migration transmission module, it is logical for adjusting transmission in transmitting the transmission data procedures
The transmission rate in road.
Preferably, further includes: cue module 14 is completed in migration, completes band snapshot virtual machine complete machine dynamic migration for prompting
Process.It is understood that it can be 2 that cue module 14 is completed in migration, the server being integrated in where source storage equipment,
Data in magnetic disk logic recovery module is integrated in the server where target side storage equipment.
Preferably, source storage analysis module 10 and mirror synchronization module 13 are integrated in the clothes where source storage equipment
Business device, data in magnetic disk logic recovery module 12 are integrated in the server where target side storage equipment.
Since the embodiment of device part is corresponded to each other with the embodiment of method part, the embodiment of device part is asked
Referring to the description of the embodiment of method part, wouldn't repeat here.
Band snapshot virtual machine complete machine dynamic migration method provided by the present invention and device are described in detail above.
Each embodiment is described in a progressive manner in specification, the highlights of each of the examples are with other embodiments not
Same place, the same or similar parts in each embodiment may refer to each other.For the device disclosed in the embodiment, due to it
It corresponds to the methods disclosed in the examples, so being described relatively simple, reference may be made to the description of the method.It should
It points out, it for those skilled in the art, without departing from the principle of the present invention, can also be to this hair
Bright some improvement and modification can also be carried out, and these improvements and modifications also fall within the scope of protection of the claims of the present invention.
Professional further appreciates that, unit described in conjunction with the examples disclosed in the embodiments of the present disclosure
And algorithm steps, can be realized with electronic hardware, computer software, or a combination of the two, in order to clearly demonstrate hardware and
The interchangeability of software generally describes each exemplary composition and step according to function in the above description.These
Function is implemented in hardware or software actually, the specific application and design constraint depending on technical solution.Profession
Technical staff can use different methods to achieve the described function each specific application, but this realization is not answered
Think beyond the scope of this invention.
The step of method described in conjunction with the examples disclosed in this document or algorithm, can directly be held with hardware, processor
The combination of capable software module or the two is implemented.Software module can be placed in random access memory (RAM), memory, read-only deposit
Reservoir (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technology
In any other form of storage medium well known in field.
Claims (5)
1. a kind of band snapshot virtual machine complete machine dynamic migration method characterized by comprising
Logical construction in detection source magnetic disk of virtual machine between source disk file and snapshot, and save；
After receiving migration order, source storage equipment is opened with the transmission channel of target side storage equipment to transmit by described
The transmission data that source disk file and the snapshot are constituted；
After the basic data end of transmission transmitted in data, equipment is stored in the target side according to the logical construction
The middle logical relation for restoring the source virtual machine disk；
After the basic data is recovered, using mirror function with by it is described transmission data in dynamic data synchronization extremely
Target virtual machine disk in the target side storage equipment, and current virtual machine operating status is stored into equipment by the source
Switch to target side storage equipment；
The band snapshot virtual machine complete machine dynamic migration process is completed in prompt.
2. band snapshot virtual machine complete machine dynamic migration method according to claim 1, which is characterized in that further include: it is passing
The transmission rate of the transmission channel is adjusted in the defeated transmission data procedures.
3. a kind of band snapshot virtual machine complete machine dynamic migration device characterized by comprising
Source stores analysis module, for the logical construction in detection source magnetic disk of virtual machine between source disk file and snapshot, and
It saves；
Data Migration transmission module stores equipment with target side for after receiving migration order, opening source storage equipment
Transmission channel to transmit the transmission data being made of the source disk file and the snapshot；
Data in magnetic disk logic recovery module, for being patrolled according to described in after the basic data end of transmission transmitted in data
Collect the logical relation that structure restores the source virtual machine disk in target side storage equipment；
Mirror synchronization module, for after the basic data is recovered, using mirror function with by the transmission number
Target virtual machine disk of the dynamic data synchronization into target side storage equipment in, and current virtual machine is run into shape
State switches to target side storage equipment by source storage equipment；
Cue module is completed in migration, completes the band snapshot virtual machine complete machine dynamic migration process for prompting.
4. band snapshot virtual machine complete machine dynamic migration device according to claim 3, which is characterized in that the Data Migration
Transmission module includes data transmission control module, for adjusting the biography of the transmission channel in transmitting the transmission data procedures
Defeated rate.
5. band snapshot virtual machine complete machine dynamic migration device according to claim 3, which is characterized in that the source storage
Analysis module and the mirror synchronization module are integrated in the server where the source storage equipment, and the data in magnetic disk is patrolled
Collect the server that recovery module is integrated in where the target side storage equipment.
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| CN106874066B (en) * | 2017-01-20 | 2021-01-26 | 中兴通讯股份有限公司 | Virtual machine migration method and device and electronic equipment |
| CN107391231A (en) * | 2017-07-31 | 2017-11-24 | 郑州云海信息技术有限公司 | A kind of data migration method and device |
| CN110688200A (en) * | 2019-09-29 | 2020-01-14 | 北京浪潮数据技术有限公司 | Method and device for migrating disk tree of virtual machine on line |
| CN111125010B (en) * | 2019-12-20 | 2022-05-10 | 北京浪潮数据技术有限公司 | Method, system and equipment for on-line migration of bare disk file |
| CN111124615A (en) * | 2019-12-22 | 2020-05-08 | 北京浪潮数据技术有限公司 | Virtual machine migration method, device, equipment and computer readable storage medium |
| CN113835822A (en) * | 2020-06-23 | 2021-12-24 | 中兴通讯股份有限公司 | Cross-cloud-platform virtual machine migration method and device, storage medium and electronic device |
| CN112181589B (en) * | 2020-09-25 | 2022-12-27 | 苏州浪潮智能科技有限公司 | Optimization method for KVM virtual machine to realize post-snapshot transfer based on reflink |
| CN113296716A (en) * | 2021-07-09 | 2021-08-24 | 云宏信息科技股份有限公司 | Virtual machine disk online migration method, computer readable storage medium and computer |
| CN113791870B (en) * | 2021-09-24 | 2024-03-26 | 上海交通大学 | WebAssemble virtual machine distributed system fine granularity migration method and system |
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| US8055864B2 (en) * | 2007-08-06 | 2011-11-08 | International Business Machines Corporation | Efficient hierarchical storage management of a file system with snapshots |
| CN102081552A (en) * | 2009-12-01 | 2011-06-01 | 华为技术有限公司 | Method, device and system for transferring from physical machine to virtual machine on line |
| CN102073462B (en) * | 2010-11-29 | 2013-04-17 | 华为技术有限公司 | Virtual storage migration method and system and virtual machine monitor |
| CN102662821B (en) * | 2012-03-22 | 2015-03-11 | 华为技术有限公司 | Method, device and system for auxiliary diagnosis of virtual machine failure |
| CN104243195A (en) * | 2013-06-19 | 2014-12-24 | 国家电网公司 | Remote disaster recovery processing method and device |
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