CN106878082A - A kind of Microsoft Loopback Adapter thermomigration process and its device - Google Patents
A kind of Microsoft Loopback Adapter thermomigration process and its device Download PDFInfo
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- CN106878082A CN106878082A CN201710113469.XA CN201710113469A CN106878082A CN 106878082 A CN106878082 A CN 106878082A CN 201710113469 A CN201710113469 A CN 201710113469A CN 106878082 A CN106878082 A CN 106878082A
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- microsoft loopback
- loopback adapter
- bridge
- vacation
- virtual machine
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
- H04L41/0813—Configuration setting characterised by the conditions triggering a change of settings
- H04L41/082—Configuration setting characterised by the conditions triggering a change of settings the condition being updates or upgrades of network functionality
-
- 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
- G06F2009/45575—Starting, stopping, suspending or resuming virtual machine instances
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- Engineering & Computer Science (AREA)
- Software Systems (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Computer And Data Communications (AREA)
Abstract
The invention discloses a kind of Microsoft Loopback Adapter thermomigration process and its device, including perform pre-set commands；Pre-set commands include two subcommands, and the first subcommand is used to delete the connecting interface of the Microsoft Loopback Adapter on former vacation bridge；Second subcommand is used to be created on purpose vacation bridge the connecting interface of the same name of Microsoft Loopback Adapter；The network interface card connection status in the corresponding xml document of virtual machine is updated according to the title of purpose vacation bridge.The present invention does not close virtual machine in transition process, and the order of the order and newly-built connection that transition process is broken into connection is arranged in an order, can as far as possible avoid transition process from the situation of network interruption occur.
Description
Technical field
The present invention relates to technical field of virtualization, more particularly to a kind of Microsoft Loopback Adapter thermomigration process and its device.
Background technology
With the development of Intel Virtualization Technology, the application of virtual machine is more and more extensive, based on open source software Openvswitch
(OVS) in virtualized network environment, virtual bridge that network in virtual environment is created by OVS and false bridge etc. are constituted, wherein,
The Microsoft Loopback Adapter of virtual machine is connected with false bridge and is connected virtual bridge by false bridge, and virtual bridge connects physical network card, from
And realize the transmission of information and receive.
When the network of virtual machine needs to change, then need to carry out the migration of Microsoft Loopback Adapter, Microsoft Loopback Adapter is migrated at present
Mode needs the connection for interrupting Microsoft Loopback Adapter to be migrated, and virtual machine is then restarted again, and this mode can cause on virtual machine
Network interruption, influences the operation of Network.
Therefore, how to provide a kind of Microsoft Loopback Adapter thermomigration process and its device that need not turn off virtual machine is this area
Technical staff needs the problem for solving at present.
The content of the invention
It is an object of the invention to provide a kind of Microsoft Loopback Adapter thermomigration process and its device, void is not closed in transition process
Plan machine, and can as far as possible avoid transition process from the situation of network interruption occur.
In order to solve the above technical problems, the invention provides a kind of Microsoft Loopback Adapter thermomigration process of virtual machine, including：
Perform pre-set commands；The pre-set commands include two subcommands, and the first subcommand is used to delete former vacation bridge
The Microsoft Loopback Adapter connecting interface；Second subcommand is used to create the of the same name of the Microsoft Loopback Adapter on purpose vacation bridge
Connecting interface；
The network interface card connection status in the corresponding xml document of virtual machine is updated according to the title of purpose vacation bridge.
Preferably, the pre-set commands are specially OVS orders, and first subcommand is OVS interface ON- and OFF- commands, described
Second subcommand is the newly-built order of OVS interfaces.
Preferably, after the execution pre-set commands, also include：
Reset the QoS configuration parameters of the Microsoft Loopback Adapter.
Preferably, the QoS configuration parameters include the speed and peak value of the Microsoft Loopback Adapter.
In order to solve the above technical problems, present invention also offers a kind of Microsoft Loopback Adapter thermophoresis device of virtual machine, including：
Transferring module, for performing pre-set commands；The pre-set commands include two subcommands, and the first subcommand is used to delete
Except the connecting interface of the Microsoft Loopback Adapter on former vacation bridge；Second subcommand is used to create described virtual on purpose vacation bridge
The connecting interface of the same name of network interface card；
File update module, in the corresponding xml document of title renewal virtual machine according to purpose vacation bridge
Network interface card connection status.
Preferably, also include：
Parameter reset module, the QoS configuration parameters for resetting the Microsoft Loopback Adapter.
The invention provides a kind of Microsoft Loopback Adapter thermomigration process and its device, migrate virtual by performing pre-set commands
Network interface card, the pre-set commands include two parts, and a part is for disconnecting the connection between Microsoft Loopback Adapter and former vacation bridge, another part
For setting up the connection between Microsoft Loopback Adapter and purpose vacation bridge, then according to the name modifications virtual machine correspondence of purpose vacation bridge
Xml document.The order that the present invention will be switched off connection combines execution with the order of newly-built connection, it is ensured that Microsoft Loopback Adapter
Migration order comes into force immediately, it is to avoid occur disconnecting network caused by long time interval between newly-built connection
Interrupt, after it also avoid disconnecting cannot newly-built connection situation occur, the complete of Microsoft Loopback Adapter is carried out using an instruction
Migration so that otherwise can successfully delete and create connection, otherwise cannot delete, will not be because of the order for disconnecting or new
The order for building connection performs unsuccessful and middle circuit network.It can be seen that, the present invention need not turn off virtual machine, and can avoid as far as possible
There is the situation of network interruption in transition process.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below will be to institute in prior art and embodiment
The accompanying drawing for needing to use is briefly described, it should be apparent that, drawings in the following description are only some implementations of the invention
Example, for those of ordinary skill in the art, on the premise of not paying creative work, can also obtain according to these accompanying drawings
Obtain other accompanying drawings.
A kind of flow chart of the process of the Microsoft Loopback Adapter thermomigration process of virtual machine that Fig. 1 is provided for the present invention；
A kind of structural representation of the Microsoft Loopback Adapter thermophoresis device of virtual machine that Fig. 2 is provided for the present invention.
Specific embodiment
Core of the invention is to provide a kind of Microsoft Loopback Adapter thermomigration process and its device, and void is not closed in transition process
Plan machine, and can as far as possible avoid transition process from the situation of network interruption occur.
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
The invention provides a kind of Microsoft Loopback Adapter thermomigration process of virtual machine, shown in Figure 1, Fig. 1 is carried for the present invention
A kind of flow chart of the process of the Microsoft Loopback Adapter thermomigration process of the virtual machine for supplying；The method includes：
Step s101：Perform pre-set commands；Pre-set commands include two subcommands, and the first subcommand is used to delete former vacation net
The connecting interface of the Microsoft Loopback Adapter on bridge；Second subcommand is used to be created on purpose vacation bridge the connection of the same name of Microsoft Loopback Adapter
Interface；
Step s102：The network interface card connection status in the corresponding xml document of virtual machine is updated according to the title of purpose vacation bridge.
It is understood that by updating the corresponding xml document of virtual machine, after ensure that next virtual machine is restarted, moving
Shifting is not failed, that is, restart rear Microsoft Loopback Adapter and be still connected with purpose vacation bridge.
Specifically, pre-set commands are specially OVS orders, the first subcommand is OVS interface ON- and OFF- commands, and the second subcommand is
The newly-built order of OVS interfaces.
For example, it is assumed that the entitled vnet0 of Microsoft Loopback Adapter, former bridge name and false bridge name be respectively srcbr and
Srcfkbr, purpose bridge name and false bridge name are respectively destbr and destfkbr, can be realized using following OVS orders virtual
The temporary migration of network interface card：
ovs-vsctl--del-port vnet0--add-port destfkbr vnet0
Wherein, ovs-vsctl del-port vnet0 are OVS interface ON- and OFF- commands；ovs-vsctl add-port
Destfkbr vnet0 are the newly-built order of OVS interfaces.
Preferably, after step s101, also include：
Reset the QoS configuration parameters of Microsoft Loopback Adapter.
Wherein, QoS configuration parameters include the speed and peak value of Microsoft Loopback Adapter.
It is understood that after Microsoft Loopback Adapter migration, the QoS configurations of Microsoft Loopback Adapter may fail, the virtual net for being yes
QoS configurations after card migration are normal, in addition it is also necessary to carried out the configuration of QoS again to Microsoft Loopback Adapter：
Ovs-vsctl set Interface vnet0 ingress_policing_rate=xxx# set the speed of network interface card
Rate, xxx is integer, and unit is kb
Ovs-vsctl set Interface vnet0 ingress_policing_burst=yyy# set network interface card peak
Value, yyy is integer, and unit is kb
In addition, the migration of step s101 is temporary migration, can be failed if virtual machine is restarted, therefore needed virtual net
The connection status of card is updated to the corresponding xml document of virtual machine (be located at/etc/libvirt/qemu/ under), so as to ensure to restart
(including normally restart, Startable, and pressure is restarted) migrate do not fail afterwards, modification content is as follows：
The invention provides a kind of Microsoft Loopback Adapter thermomigration process, Microsoft Loopback Adapter is migrated by performing pre-set commands, should
Pre-set commands include two parts, and a part is used to build for disconnecting the connection between Microsoft Loopback Adapter and former vacation bridge, another part
Connection between vertical Microsoft Loopback Adapter and purpose vacation bridge, then according to the corresponding xml of name modifications virtual machine of purpose vacation bridge
File.The order that the present invention will be switched off connection combines execution with the order of newly-built connection, it is ensured that Microsoft Loopback Adapter is migrated
Order immediately comes into force, it is to avoid occur disconnecting caused by time interval long between newly-built connection in network
It is disconnected, after it also avoid disconnecting cannot the situation of newly-built connection occur, being instructed using one is carried out the complete of Microsoft Loopback Adapter and moves
Move so that otherwise can successfully delete and create connection, otherwise cannot delete, will not be because of the order for disconnecting or newly-built
The order of connection performs unsuccessful and middle circuit network.It can be seen that, the present invention need not turn off virtual machine, and can avoid moving as far as possible
Move past journey and the situation of network interruption occur.
Shown in Figure 2 present invention also offers a kind of Microsoft Loopback Adapter thermophoresis device of virtual machine, Fig. 2 is the present invention
A kind of structural representation of the Microsoft Loopback Adapter thermophoresis device of the virtual machine for providing.The device includes：
Transferring module 1, for performing pre-set commands；Pre-set commands include two subcommands, and the first subcommand is used to delete
The connecting interface of the Microsoft Loopback Adapter on former vacation bridge；Second subcommand is used to create the of the same name of Microsoft Loopback Adapter on purpose vacation bridge
Connecting interface；
File update module 3, the network interface card in the corresponding xml document of virtual machine is updated for the title according to purpose vacation bridge
Connection status.
Preferably, the device also includes：
Parameter reset module 2, the QoS configuration parameters for resetting Microsoft Loopback Adapter.
The invention provides a kind of Microsoft Loopback Adapter thermophoresis device, Microsoft Loopback Adapter is migrated by performing pre-set commands, should
Pre-set commands include two parts, and a part is used to build for disconnecting the connection between Microsoft Loopback Adapter and former vacation bridge, another part
Connection between vertical Microsoft Loopback Adapter and purpose vacation bridge, then according to the corresponding xml of name modifications virtual machine of purpose vacation bridge
File.The order that the present invention will be switched off connection combines execution with the order of newly-built connection, it is ensured that Microsoft Loopback Adapter is migrated
Order immediately comes into force, it is to avoid occur disconnecting caused by time interval long between newly-built connection in network
It is disconnected, after it also avoid disconnecting cannot the situation of newly-built connection occur, being instructed using one is carried out the complete of Microsoft Loopback Adapter and moves
Move so that otherwise can successfully delete and create connection, otherwise cannot delete, will not be because of the order for disconnecting or newly-built
The order of connection performs unsuccessful and middle circuit network.It can be seen that, the present invention need not turn off virtual machine, and can avoid moving as far as possible
Move past journey and the situation of network interruption occur.
It should be noted that in this manual, term " including ", "comprising" or its any other variant be intended to
Nonexcludability is included, so that process, method, article or equipment including a series of key elements not only will including those
Element, but also other key elements including being not expressly set out, or also include being this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Also there is other identical element in process, method, article or equipment including the key element.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or uses the present invention.
Various modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, the present invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The scope most wide for causing.
Claims (6)
1. the Microsoft Loopback Adapter thermomigration process of a kind of virtual machine, it is characterised in that including：
Perform pre-set commands；The pre-set commands include two subcommands, and the first subcommand is used to delete the institute on former vacation bridge
State the connecting interface of Microsoft Loopback Adapter；Second subcommand is used to be created on purpose vacation bridge the connection of the same name of the Microsoft Loopback Adapter
Interface；
The network interface card connection status in the corresponding xml document of virtual machine is updated according to the title of purpose vacation bridge.
2. method according to claim 1, it is characterised in that the pre-set commands are specially OVS orders, first son
It is OVS interface ON- and OFF- commands to order, and second subcommand is the newly-built order of OVS interfaces.
3. method according to claim 1 and 2, it is characterised in that after the execution pre-set commands, also include：
Reset the QoS configuration parameters of the Microsoft Loopback Adapter.
4. method according to claim 3, it is characterised in that the QoS configuration parameters include the speed of the Microsoft Loopback Adapter
Rate and peak value.
5. the Microsoft Loopback Adapter thermophoresis device of a kind of virtual machine, it is characterised in that including：
Transferring module, for performing pre-set commands；The pre-set commands include two subcommands, and the first subcommand is used to delete original
The connecting interface of the Microsoft Loopback Adapter on false bridge；Second subcommand is used to create the Microsoft Loopback Adapter on purpose vacation bridge
Connecting interface of the same name；
File update module, the network interface card in the corresponding xml document of virtual machine is updated for the title according to purpose vacation bridge
Connection status.
6. device according to claim 5, it is characterised in that also include：
Parameter reset module, the QoS configuration parameters for resetting the Microsoft Loopback Adapter.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710113469.XA CN106878082B (en) | 2017-02-28 | 2017-02-28 | Virtual network card hot migration method and device |
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| CN201710113469.XA CN106878082B (en) | 2017-02-28 | 2017-02-28 | Virtual network card hot migration method and device |
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| CN106878082B CN106878082B (en) | 2020-03-31 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107317710A (en) * | 2017-06-30 | 2017-11-03 | 郑州云海信息技术有限公司 | A kind of method and apparatus for carrying out QoS configurations to Microsoft Loopback Adapter based on SDN |
| CN107861792A (en) * | 2017-11-06 | 2018-03-30 | 郑州云海信息技术有限公司 | A kind of virtual machine management method and device based on Libvirt |
| CN112000429A (en) * | 2020-08-06 | 2020-11-27 | 北京浪潮数据技术有限公司 | Connection tracking deletion method, device and equipment of cloud platform management platform |
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| CN106878082B (en) | 2020-03-31 |
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