CN107391233A - A kind of virtual machine migration method and system - Google Patents
A kind of virtual machine migration method and system Download PDFInfo
- Publication number
- CN107391233A CN107391233A CN201710674446.6A CN201710674446A CN107391233A CN 107391233 A CN107391233 A CN 107391233A CN 201710674446 A CN201710674446 A CN 201710674446A CN 107391233 A CN107391233 A CN 107391233A
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- virtual machine
- host device
- priority
- migration
- load
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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
-
- 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
Abstract
The invention discloses a kind of virtual machine migration method and system.It is related to field of cloud calculation；Solve the problems, such as existing resources of virtual machine scheduling mechanism can not the polytropy of adaptive system real work situation, efficiency it is low.This method includes：Determine that each host device virtual machine fills up priority in cluster；The virtual machine that at least one virtual machine (vm) migration that virtual machine is filled up on the relatively low host device of priority does not reach the upper limit to load is not filled up on the higher host device of priority.Technical scheme provided by the invention is applied to large-scale virtual machine cluster, realizes the dynamic adjustment of resources of virtual machine scheduling.
Description
Technical field
The present invention relates to cloud computing technology, espespecially a kind of virtual machine migration method and system.
Background technology
It is more and more wider with the application field of cloud service in cloud computing era, the server cluster based on virtualization technology
Scale it is increasing, this scheduling of resource to cluster proposes new challenge.In large-scale virtual machine cluster, virtually
The quantity of machine and load can often change with the requirement used, static resource allocation can produce the wasting of resources or
The situation of inadequate resource, and obvious hysteresis quality is had by the dynamic resource adjustment of manual intervention.
To sum up, existing resources of virtual machine scheduling mechanism can not adaptive system real work situation polytropy, efficiency is low
Under.
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 system, monitoring is empty in real time
The load of each host device in plan machine occupation condition and cluster, virtual machine batch migration is carried out according to monitoring result, realized
The dynamic adjustment of resources of virtual machine scheduling, solve existing resources of virtual machine scheduling mechanism can not adaptive system real work
The polytropy of situation, the problem of efficiency is low.
The invention provides a kind of virtual machine migration method, including：
Determine that each host device virtual machine fills up priority in cluster；
At least one virtual machine (vm) migration that virtual machine is filled up on the relatively low host device of priority to load does not reach the upper limit
Virtual machine is filled up on the higher host device of priority.
Preferably, this method also includes：
The resource using status of the load condition of each host device and each virtual machine in the cluster is monitored in real time.
Preferably, at least one virtual machine (vm) migration virtual machine filled up on the relatively low host device of priority to load does not reach
The step that the virtual machine of the upper limit is filled up on the higher host device of priority includes：
Determine that virtual machine fills up transportable virtual machine on the relatively low host device of priority；
Select the quantity of single migration virtual machine；
The transportable virtual machine of the quantity of single migration virtual machine is filled up by the virtual machine at least once excellent
The first relatively low host device of level migrates to load and does not fill up the higher host device of priority up to the virtual machine of the upper limit, until the void
Plan machine fills up the higher host device load of priority and reaches the upper limit.
Preferably, when carrying out virtual machine (vm) migration, the sequential selection conduct of priority from high to low is filled up according to virtual machine
The host device of move target, up to the higher host device of priority, all load reaches the upper limit.
Preferably, when carrying out virtual machine (vm) migration, select virtual machine to fill up priority and set higher than the main frame as the source of moving out
In standby host device, host device of the less host device as move target is loaded.
Preferably, the quantity of selection single migration virtual machine is specially：
According to the host device present load as move target of selection, the maximum virtual machine number migrated is determined to
Measure the quantity as single migration virtual machine.
Preferably, when carrying out virtual machine (vm) migration, the sequential selection conduct of priority from low to high is filled up according to virtual machine
Move out the host device in source.
Present invention also offers a kind of virtual machine (vm) migration system, including the cluster being made up of multiple main frames equipment, the system
Also include：
Priority assessment module, for determining that each host device virtual machine fills up priority in cluster；
Transferring module, for by least one virtual machine (vm) migration that virtual machine is filled up on the relatively low host device of priority to negative
Carry and do not filled up up to the virtual machine of the upper limit on the higher host device of priority.
Preferably, the system also includes：
Monitoring module, make for monitoring the resource of the load condition of each host device and each virtual machine in the cluster in real time
Use state.
Preferably, the transferring module includes：
Virtual machine screening module, for determining that virtual machine fills up transportable virtual machine on the relatively low host device of priority；
Volume of migration determining module, for selecting the quantity of single migration virtual machine；
Circulate transferring module, at least once by the single migrate virtual machine quantity transportable virtual machine by
The virtual machine fill up the relatively low host device of priority migrate to load do not reach the upper limit virtual machine fill up the higher master of priority
Machine equipment, until the virtual machine, which fills up the higher host device load of priority, reaches the upper limit.
The invention provides a kind of virtual machine migration method and system, monitors resources of virtual machine occupancy situation and cluster in real time
In each host device load, according to monitoring result carry out virtual machine batch migration, realize resources of virtual machine scheduling dynamic
Adjustment, solve existing resources of virtual machine scheduling mechanism can not the polytropy of adaptive system real work situation, efficiency it is low
The problem of.When being migrated, host device loading condition can be also fully taken into account, is preferentially moved to the host device of light load
Move, the virtual machine quantity of so finger migration is larger, can reduce migration number, most quickly finishes the tune of resources of virtual machine scheduling
It is whole, save the energy.
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 for virtual machine migration method that embodiments of the invention one provide；
Fig. 2 is a kind of configuration diagram for virtual machine (vm) migration system that embodiments of the invention two provide；
Fig. 3 is the structural representation of transferring module 203 in Fig. 2；
Fig. 4 is the principle schematic that a kind of cluster that embodiments of the invention four provide fills up strategy.
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.
In large-scale virtual machine cluster, the quantity of virtual machine and load can often change with the requirement used
Become, static resource allocation can produce the situation of the wasting of resources or inadequate resource, and be adjusted by the dynamic resource of manual intervention
It is whole to have obvious hysteresis quality.Therefore, it is necessary to realize being adjusted as desired for resource using the mode of dynamic resource scheduling,
It is finally reached the targets such as energy-conservation integration or load balancing.
Based on above mentioned problem, embodiments of the invention propose a kind of virtual machine migration method and system, pass through system pair
The resource service condition of cluster is monitored in real time, can be automatically to the overall load shape of current cluster according to monitoring data
State judges, and makes corresponding resource adjustment decision-making according to different load conditions and carry out execution decision-making.
First with reference to accompanying drawing, embodiments of the invention one are illustrated.
The embodiments of the invention provide a kind of virtual machine migration method, and the flow of virtual machine (vm) migration is completed such as using this method
Shown in Fig. 1, including：
Step 101, the load condition of each host device and the resource using status of each virtual machine in cluster are monitored in real time；
In this step, the load condition of each host device and the resource using status of each virtual machine in cluster are monitored in real time,
To determine a need for carrying out virtual machine (vm) migration.Specifically, filled up preferentially according to the virtual machine for each host device being pre-configured with
Level (hereinafter referred to as priority), in the load of the relatively low host device of the priority host device higher higher than priority,
Start virtual machine (vm) migration, carry out the balance of scheduling of resource.
Step 102, determine that each host device virtual machine fills up priority in cluster；
In this step, priority level is filled up according to the virtual machine of preset each host device, it is determined that migration whether need into
OK, and migration direction (source main machine devices for virtual machine of moving out and the destination host equipment for moving into virtual machine).
Step 103, at least one virtual machine (vm) migration for filling up virtual machine on the relatively low host device of priority to load are not
Virtual machine up to the upper limit is filled up on the higher host device of priority；
This step specifically includes：
1st, determine that virtual machine fills up transportable virtual machine on the relatively low host device of priority.
2nd, the quantity of single migration virtual machine is selected；
Selection single migration virtual machine quantity be specially：
According to the host device present load as move target of selection, the maximum virtual machine number migrated is determined to
Measure the quantity as single migration virtual machine.
3rd, the transportable virtual machine that the single is migrated to the quantity of virtual machine at least once is filled up by the virtual machine
The relatively low host device of priority migrates to load and does not fill up the higher host device of priority up to the virtual machine of the upper limit, until described
Virtual machine fills up the higher host device load of priority and reaches the upper limit.
When carrying out virtual machine (vm) migration, the sequential selection of priority from high to low is filled up as move target according to virtual machine
Host device, until all load reaches the upper limit to the higher host device of priority.
Preferably, when carrying out virtual machine (vm) migration, select virtual machine to fill up priority and set higher than the main frame as the source of moving out
In standby host device, host device of the less host device as move target is loaded.So, once batch migration is related to
Virtual machine quantity it is maximum, the total degree of migration is minimum, can most rapidly and efficiently realize that scheduling of resource adjusts, save the energy；
And the business impacted time is shortened, ensure service quality.
When carrying out virtual machine (vm) migration, the sequential selection of priority from low to high is filled up as the source of moving out according to virtual machine
Host device.
Below in conjunction with the accompanying drawings, embodiments of the invention two are illustrated.
The embodiments of the invention provide a kind of virtual machine (vm) migration system, and the framework of the system is as shown in Fig. 2 including by multiple
The cluster that host device 201 is formed, the system also include：
Priority assessment module 202, for determining that each host device virtual machine fills up priority in cluster；
Transferring module 203, at least one virtual machine (vm) migration for filling up virtual machine on the relatively low host device of priority
The virtual machine for not reaching the upper limit to load is filled up on the higher host device of priority.
Preferably, the system also includes：
Monitoring module 204, for monitoring the money of the load condition of each host device and each virtual machine in the cluster in real time
Source use state.
Preferably, the transferring module 203 structure as shown in figure 3, including：
Virtual machine screening module 2031, for determining that it is transportable virtual on the relatively low host device of priority that virtual machine fills up
Machine；
Volume of migration determining module 2032, for selecting the quantity of single migration virtual machine；
Transferring module 2033 is circulated, at least once by the transportable virtual of the quantity of single migration virtual machine
Machine is filled up the relatively low host device of priority and migrated to load by the virtual machine not to be reached the virtual machine of the upper limit to fill up priority higher
Host device, until the virtual machine fill up priority it is higher host device load reach the upper limit.
Below in conjunction with the accompanying drawings, embodiments of the invention three are illustrated.
The embodiments of the invention provide a kind of virtual machine migration method, is entered exemplified by being realized based on VMware virtual platforms
Row explanation.Specific implementation process is as follows：
First：There is the server host equipment of two or more than two in VMware virtual platforms, main frame is set
It is standby that same VMware server virtualizations system is installed, whole host devices in cluster are integrated in VMware virtualizations
On platform.
Then：Strategy is filled up using the cluster to VMware virtual platforms.
First：Selection will be carried out using the cluster for filling up strategy；
Second：Selection, which needs to apply, fills up the virtual machine that strategy can migrate；
3rd：Selection single moves to the number of the virtual machine of another host device from host device.
Finally：Perform and strategy is filled up to the cluster of VMware virtual platforms
First：Obtain the virtual machine that all clusters using VMware virtual platforms fill up strategy；
Second：Obtain the host device that all clusters using VMware virtual platforms fill up strategy；
3rd：Optimal master is arranged according to the loading condition of each host device load condition and all virtual machines in order
Machine equipment fills up order；
4th：Order and the maximum migration number of single virtual machine are filled up the minimum master of priority according to optimal host device
Virtual machine on machine equipment is filled up to the host device of limit priority and reached the standard grade until reaching host device load, then proceedes to the
The migration of two priority host devices is until complete.
It is as shown in Figure 4 that above-mentioned cluster fills up the principle that strategy is completed to migrate.Wherein, based on the sequence of priority from high to low
Machine equipment A, host device B, host device C.After virtual machine (vm) migration is completed, host device A is filled up, and host device B exists negative
Carry, host device C is idle.
The embodiment provides a kind of virtual machine migration method and system, monitors resources of virtual machine in real time and takes feelings
The load of each host device in condition and cluster, virtual machine batch migration is carried out according to monitoring result, realize resources of virtual machine tune
Degree dynamic adjustment, solve existing resources of virtual machine scheduling mechanism can not adaptive system real work situation polytropy,
The problem of efficiency is low.When being migrated, host device loading condition can be also fully taken into account, preferentially to the master of light load
Machine equipment migrates, and the virtual machine quantity of so finger migration is larger, can reduce migration number, most quickly finish resources of virtual machine
The adjustment of scheduling, the energy is saved, the time that business is influenceed by virtual machine (vm) migration is shortened, has ensured service.The side of scheduling of resource
Formula is changed into virtual machine granularity from traditional physical machine granularity, can be run simultaneously in separate unit physical machine as much as possible virtual
Machine example, it is possible to achieve effective utilization of physical resource and Skill aims, system can be born to the resource of cluster in a short time
Load situation makes accurate judgement, and control can be scheduled to numerous virtual machines and completes scheduling needs, improves physical resource
Utilization rate of equipment and installations and utilization rate
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：Determine that each host device virtual machine fills up priority in cluster；At least one virtual machine (vm) migration that virtual machine is filled up on the relatively low host device of priority to load does not reach the virtual of the upper limit Machine is filled up on the higher host device of priority.
- 2. virtual machine migration method according to claim 1, it is characterised in that this method also includes：The resource using status of the load condition of each host device and each virtual machine in the cluster is monitored in real time.
- 3. virtual machine migration method according to claim 1, it is characterised in that virtual machine is filled up into the relatively low main frame of priority The virtual machine that at least one virtual machine (vm) migration in equipment does not reach the upper limit to load is not filled up on the higher host device of priority Step includes：Determine that virtual machine fills up transportable virtual machine on the relatively low host device of priority；Select the quantity of single migration virtual machine；The transportable virtual machine that the single is migrated to the quantity of virtual machine at least once fills up priority by the virtual machine Relatively low host device migrates to load and does not fill up the higher host device of priority up to the virtual machine of the upper limit, until the virtual machine Fill up the higher host device load of priority and reach the upper limit.
- 4. virtual machine migration method according to claim 3, it is characterised in that when carrying out virtual machine (vm) migration, according to void Plan machine fills up host device of the sequential selection of priority from high to low as move target, until the higher main frame of priority is set Standby all loads reach the upper limit.
- 5. virtual machine migration method according to claim 4, it is characterised in that when carrying out virtual machine (vm) migration, selection is empty Plan machine fills up priority and is higher than in the host device as the host device in the source of moving out, and loads less host device as migration The host device of purpose.
- 6. virtual machine migration method according to claim 5, it is characterised in that the quantity tool of selection single migration virtual machine Body is：According to the host device present load as move target of selection, the maximum virtual machine quantity for being determined to migration is made The quantity of virtual machine is migrated for single.
- 7. virtual machine migration method according to claim 3, it is characterised in that when carrying out virtual machine (vm) migration, according to void Plan machine fills up host device of the sequential selection of priority from low to high as the source of moving out.
- 8. a kind of virtual machine (vm) migration system, including the cluster being made up of multiple main frames equipment, it is characterised in that the system is also wrapped Include：Priority assessment module, for determining that each host device virtual machine fills up priority in cluster；Transferring module, at least one virtual machine (vm) migration for virtual machine to be filled up on the relatively low host device of priority extremely load not Virtual machine up to the upper limit is filled up on the higher host device of priority.
- 9. virtual machine (vm) migration system according to claim 8, it is characterised in that the system also includes：Monitoring module, shape is used for monitoring the resource of the load condition of each host device and each virtual machine in the cluster in real time State.
- 10. virtual machine (vm) migration system according to claim 8, it is characterised in that the transferring module includes：Virtual machine screening module, for determining that virtual machine fills up transportable virtual machine on the relatively low host device of priority；Volume of migration determining module, for selecting the quantity of single migration virtual machine；Transferring module is circulated, at least once by the transportable virtual machine of the quantity of single migration virtual machine by described Virtual machine, which fills up the relatively low host device of priority and migrated to load, not to be reached the virtual machine of the upper limit and fills up the higher main frame of priority and set It is standby, until the virtual machine, which fills up the higher host device load of priority, reaches the upper limit.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111190691A (en) * | 2019-12-25 | 2020-05-22 | 中国建设银行股份有限公司 | Automatic migration method, system, device and storage medium suitable for virtual machine |
| CN115600188A (en) * | 2022-11-29 | 2023-01-13 | 北京天维信通科技有限公司（Cn） | Multi-level tenant resource management method, system, terminal and storage medium |
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Application publication date: 20171124 |