CN107729149A - A kind of virtual machine migration method and device - Google Patents
A kind of virtual machine migration method and device Download PDFInfo
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- CN107729149A CN107729149A CN201710958648.3A CN201710958648A CN107729149A CN 107729149 A CN107729149 A CN 107729149A CN 201710958648 A CN201710958648 A CN 201710958648A CN 107729149 A CN107729149 A CN 107729149A
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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
- G06F9/50—Allocation of resources, e.g. of the central processing unit [CPU]
- G06F9/5083—Techniques for rebalancing the load in a distributed system
- G06F9/5088—Techniques for rebalancing the load in a distributed system involving task migration
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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
- G06F9/44—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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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2209/00—Indexing scheme relating to G06F9/00
- G06F2209/50—Indexing scheme relating to G06F9/50
- G06F2209/5021—Priority
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2209/00—Indexing scheme relating to G06F9/00
- G06F2209/50—Indexing scheme relating to G06F9/50
- G06F2209/5022—Workload threshold
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Abstract
The invention discloses a kind of virtual machine migration method and device, including：In the main frame pre-set, determine the source host of virtual machine to be migrated and determine the destination host for loading the virtual machine migrated from source host；According to the resource utilization order from big to small of the source host of determination, pair each source host determined performs：It on the virtual machine (vm) migration that run on the source host to the destination host of determination, will stop migrating the virtual machine run on the source host when the resource utilization of the source host is less than the threshold value pre-set.Pass through the embodiment of the present invention, because the resource utilization of source host is bigger, influence of the source host to the performance of whole virtualization system is bigger, therefore the virtual machine on the bigger source host of priority migration resource utilization, virtual machine namely on the priority migration performance impact to virtualization system bigger source host, realize the performance for rapidly recovering virtualization system.
Description
Technical field
The present invention relates to virtualization technology, espespecially a kind of virtual machine migration method and device.
Background technology
At present, in order to ensure the load balancing of each main frame in virtualization system, virtual machine can be in each of virtualization system
Migrated on main frame.In virtual machine (vm) migration scheme in the related art, by the virtual machine (vm) migration loaded on big source host to negative
Carry on small destination host, when there is the virtual machine on multiple source hosts to need migration, due to being not prescribed by the migration of source host
Sequentially, therefore can there is a situation where following：Migrate to loading the virtual machine on the source host for not being maximum, moved at this first
The source host that maximum is loaded during shifting is being run always, because the maximum source host of load is to the performance shadow of virtualization system
Maximum is rung, therefore when being migrated to loading the virtual machine on the source host for not being maximum, the performance of virtualization system is still
Do not improve or only small improvement, result in during virtual machine (vm) migration, the performance recovery of virtualization system ground ratio
It is slower.
The content of the invention
In order to solve the above-mentioned technical problem, the invention provides a kind of virtual machine migration method and device, can first migrate
The virtual machine on big source host is loaded, realizes the performance for rapidly recovering virtualization system.
In order to reach the object of the invention, the invention provides a kind of virtual machine migration method, including：
In the main frame pre-set, determine the source host of virtual machine to be migrated and determine to be used to load to move from source host
The destination host of the virtual machine of shifting；
According to the resource utilization order from big to small of the source host of determination, pair each source host determined performs：Will
The virtual machine (vm) migration run on the source host is on the destination host of determination, until the resource utilization of the source host is less than
Stop migrating the virtual machine run on the source host during the threshold value pre-set.
Further, during on the virtual machine (vm) migration that will be run on the source host to the destination host, also
Including：
If the resource utilization of the destination host is more than or equal to the threshold value pre-set, re-execute described true
Fixed the step of being used to load the destination host of the virtual machine migrated from source host.
Further, the destination host determined for loading the virtual machine migrated from source host, including：
Using the minimum main frame of resource utilization in the main frame pre-set as the destination host.
Further, the source host for determining virtual machine to be migrated, including：
Resource utilization is selected to be more than the main frame of the threshold value pre-set from the main frame pre-set, by this
The main frame of selection is as the source host.
Further, it is described by the destination host of the virtual machine (vm) migration run on the source host to determination, including：
The order of the amount of resource from big to small is taken according to the virtual machine run on the source host, by the source host
The virtual machine (vm) migration of upper operation is on the destination host.
The invention provides a kind of virtual machine (vm) migration device, including：
Determining module, in the main frame pre-set, determining the source host of virtual machine to be migrated and determining to be used to bear
Carry the destination host of the virtual machine migrated from source host；
Transferring module, the order of resource utilization from big to small for the source host according to determination, pair determine it is each
Source host performs：By on the virtual machine (vm) migration run on the source host to the destination host of determination, until the source host
Stop migrating the virtual machine run on the source host when resource utilization is less than the threshold value pre-set.
Further, the determining module is additionally operable to,
If the resource utilization of the destination host is more than or equal to the threshold value pre-set, re-execute described true
Fixed the step of being used to load the destination host of the virtual machine migrated from source host.
Further, the determining module includes：
First determining unit, for using the minimum main frame of resource utilization in the main frame pre-set as the mesh
Main frame.
Further, the determining module includes：
Second determining unit, for selecting resource utilization to be more than described pre-set from the main frame pre-set
Threshold value main frame, using the main frame of the selection as the source host.
Further, the transferring module is specifically used for,
The order of the amount of resource from big to small is taken according to the virtual machine run on the source host, by the source host
The virtual machine (vm) migration of upper operation is on the destination host.
The embodiment of the present invention comprises at least：In the main frame pre-set, determine virtual machine to be migrated source host and really
The fixed destination host for being used to load the virtual machine migrated from source host；According to determination source host resource utilization from greatly to
Small order, pair each source host determined perform：By the virtual machine (vm) migration run on the source host to the purpose master determined
On machine, stop migrating what is run on the source host when the resource utilization of the source host is less than the threshold value pre-set
Virtual machine.From the embodiment of the present invention, because the resource utilization of source host is bigger, illustrate that the load of the source host is bigger,
Influence of the source host to the performance of whole virtualization system is bigger, therefore the source master that priority migration resource utilization is bigger
Virtual machine on virtual machine on machine, that is, the priority migration performance impact to virtualization system bigger source host,
Realize the performance for rapidly recovering virtualization system.
Other features and advantages of the present invention will be illustrated in the following description, also, partly becomes from specification
Obtain it is clear that or being understood by implementing the present invention.The purpose of the present invention and other advantages can be by specification, rights
Specifically noted structure is realized and obtained in claim and accompanying drawing.
Brief description of the drawings
Accompanying drawing is used for providing further understanding technical solution of the present invention, and a part for constitution instruction, with this
The embodiment of application is used to explain technical scheme together, does not form the limitation to technical solution of the present invention.
Fig. 1 is a kind of schematic flow sheet of virtual machine migration method provided in an embodiment of the present invention；
Fig. 2 is a kind of structural representation of virtual machine (vm) migration device provided in an embodiment of the present invention；
Fig. 3 is the structural representation of another virtual machine (vm) migration device provided in an embodiment of the present invention.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, below in conjunction with accompanying drawing to the present invention
Embodiment be described in detail.It should be noted that in the case where not conflicting, in the embodiment and embodiment in the application
Feature can mutually be combined.
Can be in the computer system of such as one group computer executable instructions the flow of accompanying drawing illustrates the step of
Perform.Also, although logical order is shown in flow charts, in some cases, can be with suitable different from herein
Sequence performs shown or described step.
The embodiment of the present invention provides a kind of virtual machine migration method, as shown in figure 1, the virtual machine migration method includes：
Step 101, in the main frame pre-set, determine the source host of virtual machine to be migrated and determine to be used to load from source
The destination host of the virtual machine migrated on main frame.
Wherein, source host refers to the main frame of virtual machine to be migrated, and destination host refers to being used to load from source host
The virtual machine of migration.For example, by the virtual machine (vm) migration on A main frames to B main frames, A main frames are exactly source host, and B main frames are exactly purpose
Main frame.The quantity of source host is multiple, and the quantity of destination host is one.It should be noted that the main frame pre-set can be with
Be virtualization system a cluster in main frame, can also be two or two that are not belonging to a cluster in virtualization system
Main frame more than individual.
Step 102, according to determination source host resource utilization order from big to small, pair each source host determined
Perform：By on the destination host of the virtual machine (vm) migration run on source host to determination, until the resource utilization of source host is less than
Stop the virtual machine being run on migration source host during the threshold value pre-set.
Specifically, resource utilization includes：The utilization rate of central processing unit (Central Processing Unit, CPU)
With the utilization rate of internal memory, the source host determined according to resource utilization order pair from big to small be ranked up including：According to true
The utilization rate size of the central processing unit of fixed source host, pair determine a source host be ranked up, and if it is determined that source master
Have that the utilization rate of the central processing unit of two or more source hosts is identical in machine, according to two or more source hosts
Internal memory utilization rate size, two or more source hosts are ranked up.Or the source host according to determination
The utilization rate size of internal memory, pair determine a source host be ranked up, and if it is determined that source host in have two or two with
The utilization rate of the internal memory of upper source host is identical, and the utilization rate according to the central processing unit of two or more source hosts is big
It is small, two or more source hosts are ranked up.After drained sequence, it will be transported successively on source host according to the sequence
Capable virtual machine (vm) migration realizes on the destination host of determination and preferentially moves the virtual machine on the big source host of resource utilization
Move on on destination host.
Further, on the basis of Fig. 1 corresponds to embodiment, by the virtual machine (vm) migration run on source host to purpose master
During on machine, in addition to：
If the resource utilization of destination host is more than or equal to the threshold value pre-set, re-executes determination and be used to bear
The step of carrying the destination host of the virtual machine migrated from source host.
During by the virtual machine (vm) migration on source host to destination host, when the resource utilization of the destination host
During more than or equal to the threshold value pre-set, illustrate that the load of the destination host is bigger, if again by virtual machine (vm) migration to should
On destination host, the performance of the destination host will be affected, then determine destination host in the main frame pre-set again,
Avoid that the resource utilization of destination host is excessive, ensure that the load balancing of each main frame pre-set.
Further, on the basis of Fig. 1 corresponds to embodiment, it is determined that for loading the virtual machine migrated from source host
Destination host, including：
Using the minimum main frame of resource utilization in the main frame pre-set as destination host.
Specifically, the resource utilization of each main frame pre-set is detected, by the master that the resource utilization detected is minimum
Machine is as destination host.For example, before by the virtual machine (vm) migration on source host to destination host, resource utilization is detected
Minimum main frame is A main frames, then A main frames are exactly destination host, by the virtual machine (vm) migration on source host to destination host
During, if the resource utilization of A main frames is more than or equal to the threshold value that pre-sets, detect each main frame for pre-setting
Resource utilization, if detecting that the minimum main frame of resource utilization is B main frames, then the destination host redefined is exactly B
Main frame.Or before step 101, the main frame pre-set is ranked up according to the order of resource utilization from small to large,
The minimum main frame of resource utilization in the main frame pre-set is included as destination host：Respectively will according to the result of the sequence
The main frame pre-set is as destination host.For example, before virtual machine is migrated, the main frame pre-set is according to resource utilization
Order from small to large is ordered as A, B, C, D, first using A main frames as destination host, when redefining destination host for the first time,
Using B main frames as destination host, when redefining destination host for the second time, using C main frames as destination host, by that analogy.
Realizing on virtual machine (vm) migration to the less destination host of duty factor, will preferentially avoid that some load on host computers occur excessive, have
The too small situation of a little load on host computers, so as to ensure that the load balancing of main frame.
Further, it is determined that the source host of virtual machine to be migrated, including：
Resource utilization is selected to be more than the main frame of the threshold value pre-set from the main frame pre-set, by the master of the selection
Machine is as source host.
If the resource utilization of main frame is more than the threshold value pre-set, illustrate the load too high , Give virtualizations of the main frame
The performance of system brings influence, therefore using the main frame as source host, by the virtual machine (vm) migration on the source host to purpose
On main frame, the load for reducing the source host is realized, so as to lift the performance of virtualization system.
Further, by the destination host of the virtual machine (vm) migration run on source host to determination, including：
The order of the amount of resource from big to small is taken according to the virtual machine run on source host, by what is run on source host
Virtual machine (vm) migration is on destination host.
In other words, when by the virtual machine (vm) migration run on source host to destination host, the volume of resource will preferentially be taken
Spend bigger virtual machine to migrate from the source host, migration once just releases the bigger money of amount of the source host
Source, so as to reduce the number of migration virtual machine, improve transport efficiency.For example, it is virtual that X, Y, Z tri- is run on source host
Machine, x virtual machine take 3% CPU of source host, and Y virtual machines take 5% CPU of source host, and Z virtual machines take source host
10% CPU, first Z virtual machines are migrated from source host, it can be seen that the CPU of migration one Z virtual machine release is suitable
In the CPU of two Y virtual machines release of migration, therefore, first the big virtual machine (vm) migration of the amount for taking resource is walked, not only realized
Rapidly discharge more resources so that source host can reduce load faster, also reduce the migration number of virtual machine.
It is understood that when by the virtual machine (vm) migration run on source host to destination host, can be successively by source master
Virtual machine (vm) migration on machine is on destination host, that is to say, that one virtual machine of migration every time, can also be simultaneously by source host
Two or more virtual machine (vm) migrations on destination host, while the quantity of the virtual machine migrated is pre-set.
Virtual machine migration method according to embodiments of the present invention, in the main frame pre-set, determine virtual machine to be migrated
Source host and determine for loading the destination host of virtual machine migrated from source host；According to the resource of the source host of determination
The order of utilization rate from big to small, pair each source host determined perform：The virtual machine (vm) migration run on the source host is arrived
On the destination host of determination, stop migrating the source when resource utilization of the source host is less than the threshold value pre-set
The virtual machine run on main frame.From the embodiment of the present invention, because the resource utilization of source host is bigger, illustrate the source host
Load it is bigger, influence of the source host to the performance of whole virtualization system is bigger, therefore priority migration resource utilization
Virtual machine on bigger source host, that is, the priority migration performance impact to virtualization system bigger source host
On virtual machine, realize rapidly recover virtualization system performance.
The embodiment of the present invention provides a kind of virtual machine (vm) migration device, as shown in Fig. 2 the virtual machine (vm) migration device 2 includes：
Determining module 21, source host and determination in the main frame pre-set, determining virtual machine to be migrated are used for
Load the destination host of the virtual machine migrated from source host.
Transferring module 22, the order of resource utilization from big to small for the source host according to determination, pair determine it is every
Individual source host performs：By on the destination host of the virtual machine (vm) migration run on source host to determination, until the resource of source host makes
Stop the virtual machine being run on migration source host when being less than the threshold value pre-set with rate.
Further, on the basis of Fig. 2 corresponds to embodiment, determining module 21 is additionally operable to,
If the resource utilization of destination host is more than or equal to the threshold value pre-set, re-executes determination and be used to bear
The step of carrying the destination host of the virtual machine migrated from source host.
Further, on the basis of Fig. 2 corresponds to embodiment, the present invention provides another virtual machine (vm) migration device, such as Fig. 3
Shown, the determining module 21 in the virtual machine (vm) migration device 2 includes：
First determining unit 211, for using the minimum main frame of resource utilization in the main frame pre-set as purpose master
Machine.
Further, as shown in figure 3, determining module 21 includes：
Second determining unit 212, for selecting resource utilization to be more than the threshold pre-set from the main frame pre-set
The main frame of value, using the main frame of the selection as source host.
Further, on the basis of Fig. 3 corresponds to embodiment, transferring module 22 is specifically used for,
The order of the amount of resource from big to small is taken according to the virtual machine run on source host, by what is run on source host
Virtual machine (vm) migration is on destination host.
In actual applications, determining module 21 and transferring module 22 can be by CPU, Wei Chu in virtual machine (vm) migration device 2
Manage device (Micro Processor Unit, MPU), digital signal processor (Digital Signal Processor, DSP) or
Field programmable gate array (Field Programmable Gate Array, FPGA) etc. is realized.
Virtual machine (vm) migration device according to embodiments of the present invention, in the main frame pre-set, determine virtual machine to be migrated
Source host and determine for loading the destination host of virtual machine migrated from source host；According to the resource of the source host of determination
The order of utilization rate from big to small, pair each source host determined perform：The virtual machine (vm) migration run on the source host is arrived
On the destination host of determination, stop migrating the source when resource utilization of the source host is less than the threshold value pre-set
The virtual machine run on main frame.From the embodiment of the present invention, because the resource utilization of source host is bigger, illustrate the source host
Load it is bigger, influence of the source host to the performance of whole virtualization system is bigger, therefore priority migration resource utilization
Virtual machine on bigger source host, that is, the priority migration performance impact to virtualization system bigger source host
On virtual machine, realize rapidly recover virtualization system performance.
The embodiment of the present invention provides another virtual machine (vm) migration device, and the virtual machine (vm) migration device includes memory, processing
Device and storage are realized on a memory and the computer program that can run on a processor, during computing device computer program
The step of include：
In the main frame pre-set, determine the source host of virtual machine to be migrated and determine to be used to load to move from source host
The destination host of the virtual machine of shifting；
According to the resource utilization order from big to small of the source host of determination, pair each source host determined performs：Will
The virtual machine (vm) migration run on the source host is on the destination host of determination, until the resource utilization of the source host is less than
Stop migrating the virtual machine run on the source host during the threshold value pre-set.
Further, the step of being realized during above-mentioned computing device computer program also includes：
If the resource utilization of the destination host is more than or equal to the threshold value pre-set, re-execute described true
Fixed the step of being used to load the destination host of the virtual machine migrated from source host.
Further, the step of being realized during above-mentioned computing device computer program specifically includes：
Using the minimum main frame of resource utilization in the main frame pre-set as the destination host.
Further, the step of being realized during above-mentioned computing device computer program specifically includes：
Resource utilization is selected to be more than the main frame of the threshold value pre-set from the main frame pre-set, by this
The main frame of selection is as the source host.
Further, the step of being realized during above-mentioned computing device computer program specifically includes：
The order of the amount of resource from big to small is taken according to the virtual machine run on the source host, by the source host
The virtual machine (vm) migration of upper operation is on the destination host.
Although disclosed herein embodiment as above, described content be only readily appreciate the present invention and use
Embodiment, it is not limited to the present invention.Technical staff in any art of the present invention, taken off not departing from the present invention
On the premise of the spirit and scope of dew, any modification and change, but the present invention can be carried out in the form and details of implementation
Scope of patent protection, still should be subject to the scope of the claims as defined in the appended claims.
Claims (10)
- A kind of 1. virtual machine migration method, it is characterised in that including：In the main frame pre-set, determine the source host of virtual machine to be migrated and determine for loading what is migrated from source host The destination host of virtual machine；According to the resource utilization order from big to small of the source host of determination, pair each source host determined performs：By described in The virtual machine (vm) migration run on source host on the destination host of determination, until the resource utilization of the source host be less than it is advance Stop migrating the virtual machine run on the source host during the threshold value of setting.
- 2. virtual machine migration method according to claim 1, it is characterised in that virtual by what is run on the source host During machine is moved on the destination host, in addition to：If the resource utilization of the destination host is more than or equal to the threshold value pre-set, re-executes the determination and use In load migrated from source host virtual machine destination host the step of.
- 3. virtual machine migration method according to claim 1 or 2, it is characterised in that described to determine to be used to load from source master The destination host of the virtual machine migrated on machine, including：Using the minimum main frame of resource utilization in the main frame pre-set as the destination host.
- 4. virtual machine migration method according to claim 1 or 2, it is characterised in that the determination virtual machine to be migrated Source host, including：Select resource utilization to be more than the main frame of the threshold value pre-set from the main frame pre-set, this is selected Main frame as the source host.
- 5. virtual machine migration method according to claim 1 or 2, it is characterised in that described to be run on the source host Virtual machine (vm) migration on the destination host of determination, including：The order of the amount of resource from big to small is taken according to the virtual machine run on the source host, will be transported on the source host Capable virtual machine (vm) migration is on the destination host.
- A kind of 6. virtual machine (vm) migration device, it is characterised in that including：Determining module, in the main frame pre-set, determine virtual machine to be migrated source host and determine be used for load from The destination host of the virtual machine migrated on source host；Transferring module, the order of resource utilization from big to small for the source host according to determination, couple each source master determined Machine performs：By on the virtual machine (vm) migration run on the source host to the destination host of determination, until the resource of the source host Stop migrating the virtual machine run on the source host when utilization rate is less than the threshold value pre-set.
- 7. virtual machine (vm) migration device according to claim 6, it is characterised in that the determining module is additionally operable to,If the resource utilization of the destination host is more than or equal to the threshold value pre-set, re-executes the determination and use In load migrated from source host virtual machine destination host the step of.
- 8. the virtual machine (vm) migration device according to claim 6 or 7, it is characterised in that the determining module includes：First determining unit, for using the minimum main frame of resource utilization in the main frame pre-set as the purpose master Machine.
- 9. the virtual machine (vm) migration device according to claim 6 or 7, it is characterised in that the determining module includes：Second determining unit, for selecting resource utilization to be more than the threshold pre-set from the main frame pre-set The main frame of value, using the main frame of the selection as the source host.
- 10. the virtual machine (vm) migration device according to claim 6 or 7, it is characterised in that the transferring module is specifically used for,The order of the amount of resource from big to small is taken according to the virtual machine run on the source host, will be transported on the source host Capable virtual machine (vm) migration is on the destination host.
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| CN114253667A (en) * | 2021-11-19 | 2022-03-29 | 苏州浪潮智能科技有限公司 | Intelligent speed limiting method and device for virtual machine data migration based on network load |
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Application publication date: 20180223 |