CN102143138A - Method and device for configuring virtual local area network (VLAN) in live migration process of virtual machine - Google Patents
Method and device for configuring virtual local area network (VLAN) in live migration process of virtual machine Download PDFInfo
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Abstract
The invention discloses a method for configuring a virtual local area network (VLAN) in the live migration process of a virtual machine, which comprises that: a destination server acquires the information of the VLAN required by a destination virtual machine; the destination server transmits a notification message to a neighbor switch, wherein the notification message carries the information of the VLAN and the indicating information of instantly configuring the VLAN; and after receiving the notification message, the neighbor switch configures the corresponding VLAN according to the information, carried in the notification message, of the VLAN. The embodiment of the invention also provides a server using a server virtualization technology and the neighbor switch. In the live migration process of the virtual machine, a destination server side automatically realizes the VLAN configuration of the destination virtual machine; and compared with the realization scheme of manually configuring the VLAN by a manager in the prior art, the scheme provided by the embodiment of the invention is faster and more reliable.
Description
Technical field
The embodiment of the invention relates to network communications technology field, relates in particular to collocation method and the device of VLAN in a kind of virtual machine real-time migration process.
Background technology
Server virtualization is meant the server physical resource is abstracted into logical resource, make a physical server become several even up to a hundred virtual servers of isolating mutually, perhaps make several physical servers become the virtual server of a collaborative work, thereby improve the utilance of resource, the simplified system management realizes the integration of server.In some cases, virtual server need be moved from original physical server, this just is applied to virtual machine real-time migration technology.In the existing virtual machine real-time migration technology, when virtual machine (being virtual server) is moved to destination server (physical server), need the administrator hand configuring virtual LAN.
The inventor finds that existing virtual machine (vm) migration implementation is ageing relatively poor in realizing process of the present invention, take the too much time when occurring owing to the manual configuration VLAN easily, causes the problem of service disruption to take place.
Summary of the invention
Embodiments of the invention provide collocation method and the device of VLAN in a kind of virtual machine real-time migration process, thereby improve the ageing of virtual machine real-time migration.
The objective of the invention is to be achieved through the following technical solutions:
The collocation method of VLAN in a kind of virtual machine real-time migration process comprises:
Receive the notice message that destination server sends, carry the information of virtual LAN VLAN in the described notice message and dispose the indication information of VLAN immediately;
Dispose described VLAN immediately according to described notice message, and next on communication link jumped switch transmission Generic Attribute Registration Protocol virtual local network log-on protocol GVRP message immediately, and described GVRP message makes the corresponding port of other switches in the described communication link dispose described VLAN.
A kind of switch comprises:
Receiver module is used to receive the notice message that destination server sends, and carries the information of virtual LAN VLAN in the described notice message and disposes the indication information of VLAN immediately;
Configuration control module, be used for disposing described VLAN immediately according to described notice message, and next on communication link jumped switch transmission general virtual local network log-on protocol GVRP message immediately, and described GVRP message makes the corresponding port of other switches in the described communication link dispose described VLAN.
The collocation method of VLAN in a kind of virtual machine real-time migration process comprises:
Destination server obtains the information of the required virtual LAN VLAN of purpose virtual machine;
Described destination server sends notice message to contiguous switch, carries the information of described VLAN in the described notice message and disposes the indication information of VLAN immediately.
A kind of server of application server Intel Virtualization Technology comprises:
The information acquisition module is used to obtain the information of the required virtual LAN VLAN of the purpose virtual machine of virtual machine real-time migration;
Message transmission module is used for sending notice message to contiguous switch, carries the information of described VLAN in the described notice message and disposes the indication information of VLAN immediately.
The technical scheme that is provided by the embodiment of the invention described above as can be seen, in the embodiment of the invention, because in virtual machine real-time migration process, the destination server side has realized the VLAN configuration to the purpose virtual machine automatically, dispose the implementation of VLAN compared to prior art by administrator hand, the scheme speed that the embodiment of the invention provides is faster, and reliability is higher.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the invention, the accompanying drawing of required use is done an introduction simply in will describing embodiment below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The processing procedure schematic diagram that Fig. 1 provides for the embodiment of the invention;
The network architecture schematic diagram that Fig. 2 provides for one embodiment of the invention;
The processing procedure schematic diagram that Fig. 3 provides for one embodiment of the invention;
The server architecture schematic diagram that Fig. 4 provides for the embodiment of the invention;
The switch architecture schematic diagram that Fig. 5 provides for the embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
The embodiment of the invention provides VLAN in a kind of virtual machine real-time migration process (Virtual Local Area Network, VLAN) collocation method, be configured by automatic VLAN, improved the ageing of virtual machine real-time migration the purpose virtual machine.As shown in Figure 1, this method comprises following operation in the processing procedure of destination server side:
S101, destination server obtain the information of the required VLAN of purpose virtual machine;
Wherein, S101 can but be not limited only to realize by following dual mode: the above-mentioned purpose server obtains the information of the required VLAN of described purpose virtual machine from management node; Perhaps, the above-mentioned purpose server is by carrying out the information that interacting message obtains the required VLAN of described purpose virtual machine with source server.Wherein, management node is the device that in the network other communication equipments is managed control, and it preserves the information of virtual local area network of each communication equipment in the network.
S102, this destination server send notice message to contiguous switch, carry the information of described VLAN in this notice message and dispose the indication information of VLAN immediately; Wherein, the corresponding port that the indication information that disposes VLAN immediately is used to refer to the switch of above-mentioned vicinity disposes corresponding VLAN immediately, to guarantee the ageing of virtual machine real-time migration.Above-mentioned notice message makes the switch of above-mentioned vicinity after receiving above-mentioned notice message, according to the VLAN of the information configuration correspondence of the VLAN that carries in the notice message.
The processing procedure of this method on the contiguous switch of above-mentioned purpose server comprises following operation:
The switch of S103, above-mentioned purpose server vicinity is after receiving above-mentioned notice message, dispose corresponding VLAN immediately according to notice message, its specific implementation can be: the switch of above-mentioned vicinity obtains the indication information that disposes VLAN immediately in the above-mentioned notice message, trigger the flow process that disposes VLAN immediately according to this indication information, and then receiving the above-mentioned VLAN of configuration on the port of above-mentioned notice message according to the information of the VLAN in the notice message.Simultaneously, the contiguous switch jumping of next on the communication link immediately switch of above-mentioned purpose server sends Generic Attribute Registration Protocol (Generic Attribute Registration Protocol, GARP) virtual local network log-on protocol (GARP VLAN Registration Protocol, GVRP) message, described GVRP message makes the corresponding port of other switches in the described communication link dispose described VLAN.
After the success of virtual machine real-time migration, the processing procedure of this method on the switch of source server and vicinity can also comprise following operation:
S104, source server send VLAN to its contiguous switch and cancel message after receiving the migration success acknowledge message that the purpose virtual machine sends.
The contiguous switch of S105, source server judges whether to cancel corresponding VLAN configuration receiving after VLAN cancels message, and cancels the configuration of VLAN on the corresponding port need cancel the time judging.
In the embodiment of the invention, because in virtual machine real-time migration process, the destination server side has realized the VLAN configuration to the purpose virtual machine automatically, the switch of destination server vicinity is after receiving notice message, carry out the configuration operation of corresponding VLAN immediately, by the implementation of administrator hand configuration VLAN, the scheme speed that the embodiment of the invention provides is faster, and reliability is higher compared to prior art.In addition, after the success of virtual machine real-time migration, source server can be cancelled the VLAN that source virtual machine adds automatically, and need not manual operation.
In the embodiment of the invention, the contiguous switch of server is meant on communication link the switch with the server direct communication.
After the contiguous switch of above-mentioned purpose server is confirming that switch on the communication link has all disposed corresponding VLAN, can also return the affirmation response message to destination server, inform destination server with the message that will finish the VLAN configuration operation.If contiguous switch does not return the affirmation response message to destination server, destination server can also confirm that the VLAN layoutprocedure finishes by other modes, for example and without limitation, the delay confirmation time can be set on destination server, when destination server picks up counting after contiguous switch sends notice message, arrive the delay confirmation time and think that then contiguous switch VLAN configuration operation finishes.
In the embodiment of the invention, virtual machine is meant the virtual server that utilizes the server virtualization technical configuration on physical server.Server (comprising destination server and source server) is meant physical server, and switch (comprising switch and the contiguous switch of source server that destination server is contiguous) is meant physical switches.
To be described in detail the specific implementation of the embodiment of the invention in actual application below.
In the network architecture as shown in Figure 2, server A～server D is a physical server of having used the server virtualization technology, switch A～switch F realizes between each server by exchanges data for being used for, and communicating by letter between other communication equipments of server and communication network.Wherein, a virtual machine in the server A has added VLAN5, its communication link be a virtual machine-server A of server A virtual switch (virtual switch, vSwitch)-switch A-switch E-gateway; Another virtual machine of server A has added VLAN20, and its communication link is the vSwitch-switch A-switch E-gateway of another virtual machine-server A of server A; The virtual machine of server B has added VLAN5, and its communication link is the vSwitch-switch b-switch E-gateway of the virtual machine-server B of server B; The virtual machine of server D has added VLAN20, and its communication link is the vSwitch-switch D-switch F-gateway of virtual machine-server D of server D.In the one embodiment of the invention, need to realize server B-＞the virtual machine real-time migration of server C, and source virtual machine has added VLAN5.Wherein, source server is a server B, and source virtual machine is the virtual machine on the server B, the contiguous switch of source server is a switch b, destination server is server C, and the purpose virtual machine is the virtual machine on the server C, and the contiguous switch of destination server is switch C.Before the virtual machine real-time migration was finished, source virtual machine still was in running status, and the virtual machine real-time migration process of having used the method that the embodiment of the invention provides comprises following operation as shown in Figure 3:
S301, source server send migration request message to destination server.
After S302, destination server receive this migration request message, control the operation that powers on of purpose virtual machine on it.
S303, destination server obtain the information (being the information of VLAN5) of the required VLAN of purpose virtual machine, and its specific implementation repeats no more here with reference to the invention described above embodiment.
S304, destination server send notice message to its contiguous switch, carry the information of the required VLAN of above-mentioned purpose virtual machine in this notice message and dispose the indication information of VLAN immediately.
After S305, the contiguous switch of destination server receive above-mentioned notice message, trigger the flow process of configuration VLAN5 according to the indication information that disposes VLAN immediately that carries in the message, and then on the port that receives above-mentioned notice message, dispose VLAN5 immediately according to the information of the VLAN5 that carries in the message, one of ordinary skill in the art will appreciate that, when being configured VLAN5 on the port that receives above-mentioned notice message, can repeated configuration; And next on communication link jumped switch immediately, is switch F in the present embodiment, sends GVRP message, so that the corresponding port of other switches in communication link configuration VLAN5.
Wherein, next jumping switch of above-mentioned communication link has only one usually.But also having next jumping switch of communication link is a plurality of situations, at this moment, sends GVRP message to a plurality of next jumping switch corresponding ports respectively.
The switch of S306, above-mentioned vicinity returns the affirmation response message to destination server, informs that destination server finished the configuration operation of VLAN5.
Source virtual machine on S307, the source server carries out the internal memory pre-copy to the purpose virtual machine on the destination server, and the operation of internal memory pre-copy can be finished several times.
After S308, internal memory pre-copy are finished, source virtual machine finish up migration and operation suspension.
After S309, purpose virtual machine are confirmed to move successfully, send the successful acknowledge message of migration to source server, and start operation purpose virtual machine by destination server by destination server.
After S310, source server are received the successful acknowledge message of migration, send VLAN to its contiguous switch and cancel message, and close source virtual machine.
S311, above-mentioned VLAN cancel message receives after VLAN cancels message the contiguous switch of source server, judge whether to cancel the configuration of VLAN5, in the present embodiment, because source virtual machine is last user of VLAN5 on the communication link, therefore cancel VLAN (being VLAN5) for the source virtual machine configuration.
In the above-mentioned processing procedure, S303～S306 is embodied as the flow process that the purpose virtual machine disposes VLAN automatically, and it is not limited only to carry out after S302, in fact, can carry out any time between S302 to S309.
Among the embodiment of the invention described above, VLAN to the purpose virtual machine in virtual machine real-time migration process has carried out automatic configuration, dispose the implementation of VLAN compared to prior art by administrator hand, the scheme speed of the automatic configuration VLAN that provides in one embodiment of the present of invention is faster, and reliability is higher, avoided because the possibility of the long service terminal that causes of manual configuration holding time has also been avoided because the mistake that manual configuration may cause takes place.
The all or part of step of realization said method embodiment can be finished by the relevant hardware of program command, and aforesaid program can be stored in the computer read/write memory medium, and this program is carried out the step that comprises said method embodiment when carrying out; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CD.
The embodiment of the invention also provides a kind of server of application server Intel Virtualization Technology, its structure as shown in Figure 4, the specific implementation structure comprises:
Information acquisition module 401 is used to obtain the information of the required virtual LAN VLAN of the purpose virtual machine of virtual machine real-time migration.
Message transmission module 402, be used for sending notice message to contiguous switch, carry the information of described VLAN in this notice message and dispose the indication information of VLAN immediately, the switch that this indication information that disposes VLAN immediately is used to refer to above-mentioned vicinity is configured among the corresponding VLAN immediately, to guarantee the ageing of virtual machine real-time migration.
Above-mentioned information acquisition module 401 specifically comprises: the first information obtains submodule 4011, is used for obtaining from management node the information of the required VLAN of described purpose virtual machine; Perhaps, second information is obtained submodule 4012, is used for by carrying out the information that interacting message obtains the required VLAN of described purpose virtual machine with source server.Wherein, management node is the device that in the network other communication equipments is managed control, and it preserves the LAN Information of each communication equipment in the network.
The embodiment of the invention also provides a kind of switch, and this switch is the switch of neighbor server, its structure as shown in Figure 5, the specific implementation structure comprises:
Receiver module 501 is used to receive the notice message that destination server sends, and carries the information of virtual LAN VLAN in the described notice message and disposes the indication information of VLAN immediately.
Wherein, the specific implementation of VLAN configuration module 502 configuration VLAN is, obtain the indication information that disposes VLAN immediately in the above-mentioned notice message, trigger the flow process that disposes VLAN according to this indication information, and then receiving the above-mentioned VLAN of configuration on the port of above-mentioned notice message according to the information of the VLAN in the notice message.
The above; only for the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.
Claims (9)
1. the collocation method of VLAN in the virtual machine real-time migration process is characterized in that, comprising:
Receive the notice message that destination server sends, carry the information of virtual LAN VLAN in the described notice message and dispose the indication information of VLAN immediately;
Dispose described VLAN immediately according to described notice message, and next on communication link jumped switch transmission Generic Attribute Registration Protocol virtual local network log-on protocol GVRP message immediately, and described GVRP message makes the corresponding port of other switches in the described communication link dispose described VLAN.
2. method according to claim 1 is characterized in that, describedly disposes described VLAN immediately according to described notice message and comprises:
Dispose described VLAN on the port of described notice message immediately receiving.
3. a switch is characterized in that, comprising:
Receiver module is used to receive the notice message that destination server sends, and carries the information of virtual LAN VLAN in the described notice message and disposes the indication information of VLAN immediately;
Configuration control module, be used for disposing described VLAN immediately according to described notice message, and next on communication link jumped switch transmission general virtual local network log-on protocol GVRP message immediately, and described GVRP message makes the corresponding port of other switches in the described communication link dispose described VLAN.
4. switch according to claim 3 is characterized in that, the specific implementation that described configuration control module disposes described VLAN is to dispose described VLAN immediately at the port that receives described notice message.
5. the collocation method of VLAN in the virtual machine real-time migration process is characterized in that, comprising:
Destination server obtains the information of the required virtual LAN VLAN of purpose virtual machine;
Described destination server sends notice message to contiguous switch, carries the information of described VLAN in the described notice message and disposes the indication information of VLAN immediately.
6. method according to claim 5 is characterized in that, the information that described destination server obtains the required VLAN of described purpose virtual machine comprises:
Described destination server obtains the information of the required VLAN of described purpose virtual machine from management node;
Perhaps,
Described destination server is by carrying out the information that interacting message obtains the required VLAN of described purpose virtual machine with source server.
7. according to claim 5 or 6 described methods, it is characterized in that after the success of virtual machine real-time migration, this method also comprises:
Source server sends VLAN to contiguous switch and cancels message after receiving the migration success acknowledge message that the purpose virtual machine sends;
Described VLAN cancels message makes the contiguous switch of described source server cancel message according to the VLAN that receives, and judges whether to cancel corresponding VLAN configuration, and when determining to cancel, cancels the VLAN configuration of corresponding port.
8. the server of an application server Intel Virtualization Technology is characterized in that, comprising:
The information acquisition module is used to obtain the information of the required virtual LAN VLAN of the purpose virtual machine of virtual machine real-time migration;
Message transmission module is used for sending notice message to contiguous switch, carries the information of described VLAN in the described notice message and disposes the indication information of VLAN immediately.
9. server according to claim 8 is characterized in that, described information acquisition module comprises:
The first information obtains submodule, is used for obtaining from management node the information of the required VLAN of described purpose virtual machine;
Perhaps,
Second information is obtained submodule, is used for by carrying out the information that interacting message obtains the required VLAN of described purpose virtual machine with source server.
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Application publication date: 20110803 |