CN109525515A - The management method and device of network interface card in a kind of cloud platform - Google Patents
The management method and device of network interface card in a kind of cloud platform Download PDFInfo
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- CN109525515A CN109525515A CN201811237359.5A CN201811237359A CN109525515A CN 109525515 A CN109525515 A CN 109525515A CN 201811237359 A CN201811237359 A CN 201811237359A CN 109525515 A CN109525515 A CN 109525515A
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- virtual switch
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/70—Virtual switches
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/46—Interconnection of networks
- H04L12/4641—Virtual LANs, VLANs, e.g. virtual private networks [VPN]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/02—Network architectures or network communication protocols for network security for separating internal from external traffic, e.g. firewalls
- H04L63/0272—Virtual private networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
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Abstract
The invention discloses a kind of management methods of network interface card in cloud platform, it include: that the virtual switch comprising network interface card is pre-created, and generate the virtual switch topological diagram, wherein, the virtual switch topological diagram shows the connection relationship between the port and virtual machine of the network interface card, the virtual switch；Wherein, a port corresponds to a virtual functions VF in the virtual switch；The VF corresponding to the port on the virtual switch is by use, set the first display state for the port on the virtual switch topological diagram；When the VF free time corresponding to the port on the virtual switch, the second display state is set by the port on the virtual switch topological diagram.Scheme through the invention improves the experience of user so that the management of the middle network interface card of cloud platform is more transparent and succinct.
Description
Technical field
The present invention relates to cloud, the management method and device of network interface card in espespecially a kind of cloud platform.
Background technique
About the use management method for the physical network card for supporting SR-IOV function in cloud platform, SR-IOV skill can be passed through
Art fictionalizes multiple VF, and each VF is by the exclusive use of virtual machine；Wherein, SR-IOV technology is a kind of hardware based virtualization
Solution, can be improved the performance and scalability of network, and SR-IOV technology introduces two new function types: PFs
PCI ((the Peripheral Component that (Physical Functions, physical function) i.e. physical network card is supported
Interconnection, peripheral element extension interface) function, a PF can expand several VF；VFs(Virtual
Functions, virtual functions) the physical network card of SR-IOV function is supported to fictionalize the example come, with independent network interface card
Form is presented, and each VF has independent PCI configuring area, and can share the same physical resource with other VF and (share same
A physical internet ports).It supports the physical network card of SR-IOV function by the way that SR-IOV function to be integrated on physical network card, makes single
Physical network card invents multiple VF interfaces, and each VF interface has individual Virtual PC Ie (peripheral component
Interconnect express, newest bus and interface standard) channel, these virtual channels PCIe share physical network card
The channel PCIe.Each virtual machine can occupy one or more VF interfaces, and such virtual machine can directly access and oneself phase
Corresponding VF interface, without a kind of Hypervisor (middleware software operated between physical server and operating system
Layer) coordination intervention, so that network throughput performance be substantially improved.
In cloud platform, application for SR-IOV function, majority is the network interface card for selecting to open SR-IOV by virtual machine
It realizes, still, this makes user for supporting the use of the physical network card of SR-IOV function and opaque, and user cannot understand
See the service condition of the current physical network card for supporting SR-IOV function, such as: the virtual machine that is connected and residue VF's can
With quantity etc.；For the above problem in the presence of the prior art, how to propose that one kind can be more transparent and compactly manages
Network interface card is a problem to be solved in cloud platform.
Summary of the invention
In order to solve the above-mentioned technical problems, the present invention provides the management methods and device of network interface card in a kind of cloud platform, can
To be managed to network interface card in cloud platform.
In order to reach the object of the invention, the present invention provides a kind of management methods of network interface card in cloud platform, comprising:
The virtual switch comprising network interface card is pre-created, and generates the virtual switch topological diagram, wherein is described virtual
Switch-layer topology figure shows the connection relationship between the port and virtual machine of the network interface card, the virtual switch；Wherein, described
A port corresponds to a virtual functions VF in virtual switch；
The VF corresponding to the port on the virtual switch will be by use, will on the virtual switch topological diagram
The port is set as the first display state；
When the VF free time corresponding to the port on the virtual switch, by institute on the virtual switch topological diagram
It states port and is set as the second display state.
It is described that the virtual switch comprising network interface card is pre-created in a kind of exemplary embodiment, and generate described virtual
Switch-layer topology figure, comprising:
When the network interface card on the host in the cloud platform is opened, host is added in virtual switch, the master is created
Machine is corresponding, the virtual switch comprising network interface card；
Based on the network interface card virtual switch created, the virtual switch topological diagram is generated.
In a kind of exemplary embodiment, method further include: for each network interface card, the object according to corresponding to each VF respectively
Reason address and naming rule are named multiple VF of the network interface card；Wherein, the naming rule be by the network interface card title with
VFi merges into the title of VF, and i is the serial number that VF is ranked up according to physical address on network interface card.
In a kind of exemplary embodiment, method further include:
The VF corresponding to the port on the virtual switch is by use, search VF corresponding with the port and by institute
Stating VF status indication is to have used；
When the VF corresponding to the port on the virtual switch is not used by, VF corresponding with the port simultaneously general is searched
The VF status indication is unused.
In a kind of exemplary embodiment, method further include:
It, will be with the net on the virtual switch topological diagram when the network interface card on the virtual switch is selected
Block the one or more virtual machines being connected to be highlighted.
To solve the above-mentioned problems, the present invention also provides a kind of managing devices of network interface card in cloud platform, comprising: memory
And processor；
The memory, for saving the program for being used for the management of network interface card in cloud platform；
The processor executes the program for the management of network interface card in cloud platform for reading, performs the following operations:
The virtual switch comprising network interface card is pre-created, and generates the virtual switch topological diagram, wherein is described virtual
Switch-layer topology figure shows the connection relationship between the port and virtual machine of the network interface card, the virtual switch；Wherein, described
A port corresponds to a virtual functions VF in virtual switch；
The VF corresponding to the port on the virtual switch will be by use, will on the virtual switch topological diagram
The port is set as the first display state；
When the VF free time corresponding to the port on the virtual switch, by institute on the virtual switch topological diagram
It states port and is set as the second display state.
It is described that the virtual switch comprising network interface card is pre-created in a kind of exemplary embodiment, and generate described virtual
Switch-layer topology figure, comprising:
When the network interface card on the host in the cloud platform is opened, host is added in virtual switch, the master is created
Machine is corresponding, the virtual switch comprising network interface card；
Based on the virtual switch created, the virtual switch topological diagram is generated.
In a kind of exemplary embodiment, the processor, which is read, executes the journey for the management of network interface card in cloud platform
Sequence also performs the following operations:
For each network interface card, the multiple VF of the physical address according to corresponding to each VF and naming rule to the network interface card respectively
It is named；Wherein, the naming rule is that the network interface card title and VFi are merged into the title of VF, i be on network interface card VF according to
The serial number that physical address is ranked up.
In a kind of exemplary embodiment, the processor, which is read, executes the journey for the management of network interface card in cloud platform
Sequence also performs the following operations:
The VF corresponding to the port on the virtual switch is by use, search VF corresponding with the port and by institute
Stating VF status indication is to have used；
When the VF corresponding to the port on the virtual switch is not used by, VF corresponding with the port simultaneously general is searched
The VF status indication is unused.
In a kind of exemplary embodiment, the processor, which is read, executes the journey for the management of network interface card in cloud platform
Sequence also performs the following operations:
It, will be with the net on the virtual switch topological diagram when the network interface card on the virtual switch is selected
Block the one or more virtual machines being connected to be highlighted.
Compared with prior art, the invention proposes a kind of management methods of network interface card in cloud platform, comprising: packet is pre-created
Virtual switch containing network interface card, and generate the virtual switch topological diagram；Corresponding to the port on the virtual switch
VF by use, setting the first display state for the port on the virtual switch topological diagram；When described virtual
Corresponding to port on interchanger when the VF free time, second is set by the port on the virtual switch topological diagram and is shown
Show state.Scheme through the invention improves the body of user so that the management of the middle network interface card of cloud platform is more transparent and succinct
It tests.
Other features and advantages of the present invention will be illustrated in the following description, also, partly becomes from specification
It obtains it is clear that understand through the implementation of the invention.The objectives and other advantages of the invention can be by specification, right
Specifically noted structure is achieved and obtained in claim and attached drawing.
Detailed description of the invention
Attached drawing is used to provide to further understand technical solution of the present invention, and constitutes part of specification, with this
The embodiment of application technical solution for explaining the present invention together, does not constitute the limitation to technical solution of the present invention.
Fig. 1 is the flow chart of the management method of network interface card in the cloud platform of the embodiment of the present invention；
Fig. 2 is the schematic diagram of the managing device of network interface card in the cloud platform of the embodiment of the present invention.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention
Embodiment be described in detail.It should be noted that in the absence of conflict, in the embodiment and embodiment in the application
Feature can mutual any combination.
Step shown in the flowchart of the accompanying drawings can be in a computer system such as a set of computer executable instructions
It executes.Also, although logical order is shown in flow charts, and it in some cases, can be to be different from herein suitable
Sequence executes shown or described step.
Fig. 1 is the flow chart of the management method of network interface card in the cloud platform of the embodiment of the present invention, according to the flow chart, this implementation
The management method of network interface card in the cloud platform of example, comprising:
Step 100: the virtual switch comprising network interface card is pre-created, and generates the virtual switch topological diagram.
In the present embodiment, the virtual switch comprising network interface card is pre-created in cloud platform, which can be cloud platform
The middle physical network card for supporting SR-IOV function.The virtual switch topological diagram shows the end of the network interface card, the virtual switch
Connection relationship between mouth and virtual machine；Wherein, a port corresponds to a virtual functions VF in the virtual switch.
In a kind of exemplary embodiment, the virtual switch comprising network interface card is pre-created, and generate the virtual switch
Machine topological diagram may include: host to be added in virtual switch, creation when the network interface card on the host in cloud platform is opened
The corresponding virtual switch comprising network interface card of the host；Based on the virtual switch created, virtual switch topology is generated
Figure.
There can be muti-piece to support the physical network card of SR-IOV function in cloud platform, when the physics of support SR-IOV function
When network interface card is opened, the host of the physical network card of support SR-IOV function is added on virtual machine interchanger, when host is added
It after virtual switch, is equivalent to and constitutes an abstract distribution switch, i.e., create a same control gauge on every host
The virtual switch of lattice and configuration, it is virtual that each host can have muti-piece to support that the physical network card of SR-IOV function is connected to this
Interchanger, and the corresponding pond VF of each host.And when host is added in virtual switch, it can share and be handed over using virtual
Network on changing planes, the network on SR-IOV virtual switch are one two layers of quarantine domain, are supported with forwarding in VLAN, and prop up
It holds through gateway and realizes that travelling across VLAN communicates.
In a kind of exemplary embodiment, in cloud platform, if the SR-IOV virtual switch is connected to N platform host, that
The N platform host corresponds to N number of pond VF, for supporting each VF of physical network card of SR-IOV function to have a PCI address to carry out
Mark, but VF is identified by PCI address, user's operation is checked comparatively laborious；It, can be for each net in cloud platform
Card, the physical address according to corresponding to each VF and naming rule are named multiple VF of the network interface card respectively；Wherein, the life
Name rule is by the network interface card title and VFiThe title of VF is merged into, i is the sequence that VF is ranked up according to physical address on network interface card
Number.Wherein, the VF maximum quantity that the value of i can be supported according to different network interface cards, each PF is different and determines the value model of i
It encloses, such as: it is directed to eth0, can support 7 VF of maximum unlatching, then i maximum value is 7；It is directed to eth1, can be supported most
32 VF are opened greatly, then i maximum value is 32；If after the same virtual switch is added simultaneously in eth0, eth1 on host,
It is 39 that so the host, which corresponds to the quantity maximum value of VF in the pond VF, then i maximum value is 39.
Step 101: the VF corresponding to the port on the virtual switch in the virtual switch by use, open up
It flutters on figure and sets the first display state for the port.
In the present embodiment, the VF corresponding to the port on the virtual switch is by use, in the virtual friendship
It changes planes and sets the first display state for the port on topological diagram, which can be is carried out with green indicator light
Display.
Step 102: when the VF free time corresponding to the port on the virtual switch, in the virtual switch topology
The second display state is set by the port on figure.
It in the present embodiment, can be according to virtual switch there is no the precedence relationship executed between step 101 and 102
On the service condition of port carry out selection and execute step 101 or step 102.
In the present embodiment, the VF corresponding to the port on the virtual switch is by use, in the virtual friendship
It changes planes and sets the second display state for the port on topological diagram, which can be is carried out with red indicating light
Display.
In a kind of exemplary embodiment, the VF corresponding to the port on the virtual switch by use, search with
The corresponding VF in the port and by the VF status indication be used；
When the VF corresponding to the port on the virtual switch is not used by, VF corresponding with the port simultaneously general is searched
The VF status indication is unused.
In a kind of exemplary embodiment, when the network interface card on the virtual switch is selected, in the virtual switch
On machine topological diagram, the one or more virtual machines being connected with the network interface card are highlighted.
It should be noted that above content is only exemplary embodiment of the present invention, it is same as the previously described embodiments or similar
Embodiment and above-described embodiment variant all within protection scope of the present invention.
In addition, this application provides a kind of one embodiment of the managing device of network interface card in cloud platform, the Installation practice
Corresponding with embodiment of the method shown in FIG. 1, which specifically can be applied in various electronic equipments.
As shown in Fig. 2, in the cloud platform of the present embodiment network interface card managing device, comprising: memory and processor；
The memory, for saving the program for being used for the management of network interface card in cloud platform；
The processor executes the program for the management of network interface card in cloud platform for reading, performs the following operations:
The virtual switch comprising network interface card is pre-created, and generates the virtual switch topological diagram, wherein is described virtual
Switch-layer topology figure shows the connection relationship between the port and virtual machine of the network interface card, the virtual switch；Wherein, described
A port corresponds to a virtual functions VF in virtual switch；
The VF corresponding to the port on the virtual switch will be by use, will on the virtual switch topological diagram
The port is set as the first display state；
When the VF free time corresponding to the port on the virtual switch, by institute on the virtual switch topological diagram
It states port and is set as the second display state.
It is described that the virtual switch comprising network interface card is pre-created in a kind of exemplary embodiment, and generate described virtual
Switch-layer topology figure, comprising:
When the network interface card on the host in the cloud platform is opened, host is added in virtual switch, the master is created
Machine is corresponding, the virtual switch comprising network interface card；
Based on the virtual switch created, the virtual switch topological diagram is generated.
In a kind of exemplary embodiment, the processor, which is read, executes the journey for the management of network interface card in cloud platform
Sequence also performs the following operations:
For each network interface card, the multiple VF of the physical address according to corresponding to each VF and naming rule to the network interface card respectively
It is named；Wherein, the naming rule is that the network interface card title and VFi are merged into the title of VF, i be on network interface card VF according to
The serial number that physical address is ranked up.
In a kind of exemplary embodiment, the processor, which is read, executes the journey for the management of network interface card in cloud platform
Sequence also performs the following operations:
The VF corresponding to the port on the virtual switch is by use, search VF corresponding with the port and by institute
Stating VF status indication is to have used；
When the VF corresponding to the port on the virtual switch is not used by, VF corresponding with the port simultaneously general is searched
The VF status indication is unused.
In a kind of exemplary embodiment, the processor, which is read, executes the journey for the management of network interface card in cloud platform
Sequence also performs the following operations:
It, will be with the net on the virtual switch topological diagram when the network interface card on the virtual switch is selected
Block the one or more virtual machines being connected to be highlighted.
A kind of implementation process of exemplary embodiment is as follows:
Host is added in virtual switch when the network interface card on the host in the cloud platform is opened for step 001., wound
Build the corresponding network interface card virtual switch of the host；
Step 002. generates the virtual switch topological diagram, wherein the void based on the network interface card virtual switch created
Quasi- switch-layer topology figure shows the connection relationship between the port and virtual machine of the network interface card, the virtual switch.
Step 003. is for each network interface card, and the physical address according to corresponding to each VF and naming rule are to the network interface card respectively
Multiple VF be named；Wherein, the naming rule is by the network interface card title and VFiThe title of VF is merged into, i is network interface card
The serial number that upper VF is ranked up according to physical address.
Step 004. works as VF corresponding to the port on the virtual switch by use, opening up in the virtual switch
It flutters on figure and sets the first display state for the port；
Alternatively, when the VF free time corresponding to the port on the virtual switch, in the virtual switch topological diagram
On by the port set the second display state.
Step 005. works as VF corresponding to the port on the virtual switch by use, searching corresponding with the port
VF and by the VF status indication be used；
Alternatively, being searched corresponding with the port when VF corresponding to the port on the virtual switch is not used by
VF and be unused by the VF status indication.
Step 006. is when the network interface card on the virtual switch is selected, will on the virtual switch topological diagram
The one or more virtual machines being connected with the network interface card are highlighted.
In above-described embodiment, context is not present between step 004,005 and 006, it can be according to the demand of user
Selection executes step 004 or step 005 or step 006；Such as: when user needs to check the connection status of virtual machine and network interface card
When, after executing the step 003, can jump directly to execute step 006, can be used family can clearly see virtual machine with
The use relationship of VF, improves the usage experience of user.
A specific example based on the present embodiment realizes a kind of management method of network interface card in cloud platform, solves cloud
The management of network interface card is not intuitive enough in platform, is unable to the problem of clear and definite must see the particular condition in use of each network interface card.Pass through
SR-IOV virtual switch is constructed, and the VF for supporting SR-IOV function network interface card is included in the unified management of the pond VF, simplifies and supports SR-
The use of IOV function network interface card so that SR-IOV function network interface card is supported to become more transparent and succinct, and improves SR-IOV function
Ease for use.
It will appreciated by the skilled person that whole or certain steps, system, dress in method disclosed hereinabove
Functional module/unit in setting may be implemented as software, firmware, hardware and its combination appropriate.In hardware embodiment,
Division between the functional module/unit referred in the above description not necessarily corresponds to the division of physical assemblies；For example, one
Physical assemblies can have multiple functions or a function or step and can be executed by several physical assemblies cooperations.Certain groups
Part or all components may be implemented as by processor, such as the software that digital signal processor or microprocessor execute, or by
It is embodied as hardware, or is implemented as integrated circuit, such as specific integrated circuit.Such software can be distributed in computer-readable
On medium, computer-readable medium may include computer storage medium (or non-transitory medium) and communication media (or temporarily
Property medium).As known to a person of ordinary skill in the art, term computer storage medium is included in for storing information (such as
Computer readable instructions, data structure, program module or other data) any method or technique in the volatibility implemented and non-
Volatibility, removable and nonremovable medium.Computer storage medium include but is not limited to RAM, ROM, EEPROM, flash memory or its
His memory technology, CD-ROM, digital versatile disc (DVD) or other optical disc storages, magnetic holder, tape, disk storage or other
Magnetic memory apparatus or any other medium that can be used for storing desired information and can be accessed by a computer.This
Outside, known to a person of ordinary skill in the art to be, communication media generally comprises computer readable instructions, data structure, program mould
Other data in the modulated data signal of block or such as carrier wave or other transmission mechanisms etc, and may include any information
Delivery media.
Claims (10)
1. the management method of network interface card in a kind of cloud platform, which is characterized in that the described method includes:
The virtual switch comprising network interface card is pre-created, and generates the virtual switch topological diagram, wherein the virtual switch
Machine topological diagram shows the connection relationship between the port and virtual machine of the network interface card, the virtual switch；Wherein, described virtual
A port corresponds to a virtual functions VF in interchanger；
The VF corresponding to the port on the virtual switch will be by use, will be described on the virtual switch topological diagram
Port is set as the first display state；
When the VF free time corresponding to the port on the virtual switch, by the end on the virtual switch topological diagram
Mouth is set as the second display state.
2. the management method of network interface card in cloud platform according to claim 1, which is characterized in that described to be pre-created comprising net
The virtual switch of card, and generate the virtual switch topological diagram, comprising:
When the network interface card on the host in the cloud platform is opened, host is added in virtual switch, the host pair is created
It answers, the virtual switch comprising network interface card；
Based on the virtual switch created, the virtual switch topological diagram is generated.
3. the management method of network interface card in cloud platform according to claim 1, which is characterized in that further include:
For each network interface card, the physical address according to corresponding to each VF and naming rule carry out multiple VF of the network interface card respectively
Name；Wherein, the naming rule is that the network interface card title and VFi are merged into the title of VF, and i is VF on network interface card according to physics
The serial number that address is ranked up.
4. the management method of network interface card in cloud platform according to claim 3, which is characterized in that further include:
The VF corresponding to the port on the virtual switch is by use, search VF corresponding with the port and by the VF
Status indication is to have used；
When the VF corresponding to the port on the virtual switch is not used by, search VF corresponding with the port simultaneously will described in
VF status indication is unused.
5. the management method of network interface card in cloud platform according to claim 2, which is characterized in that further include:
It, will be with the network interface card phase on the virtual switch topological diagram when the network interface card on the virtual switch is selected
One or more virtual machines of connection are highlighted.
6. the managing device of network interface card in a kind of cloud platform, comprising: memory and processor；It is characterized by:
The memory, for saving the program for being used for the management of network interface card in cloud platform；
The processor executes the program for the management of network interface card in cloud platform for reading, performs the following operations:
The virtual switch comprising network interface card is pre-created, and generates the virtual switch topological diagram, wherein the virtual switch
Machine topological diagram shows the connection relationship between the port and virtual machine of the network interface card, the virtual switch；Wherein, described virtual
A port corresponds to a virtual functions VF in interchanger；
The VF corresponding to the port on the virtual switch will be by use, will be described on the virtual switch topological diagram
Port is set as the first display state；
When the VF free time corresponding to the port on the virtual switch, by the end on the virtual switch topological diagram
Mouth is set as the second display state.
7. the managing device of network interface card in cloud platform according to claim 6, which is characterized in that described to be pre-created comprising net
The virtual switch of card, and generate the virtual switch topological diagram, comprising:
When the network interface card on the host in the cloud platform is opened, host is added in virtual switch, the host pair is created
It answers, the virtual switch comprising network interface card；
Based on the virtual switch created, the virtual switch topological diagram is generated.
8. the managing device of network interface card in cloud platform according to claim 6, which is characterized in that the processor, which is read, to be executed
The program for the management of network interface card in cloud platform, also performs the following operations:
For each network interface card, the physical address according to corresponding to each VF and naming rule carry out multiple VF of the network interface card respectively
Name；Wherein, the naming rule is that the network interface card title and VFi are merged into the title of VF, and i is VF on network interface card according to physics
The serial number that address is ranked up.
9. the managing device of network interface card in cloud platform according to claim 8, which is characterized in that the processor, which is read, to be executed
The program for the management of network interface card in cloud platform, also performs the following operations:
The VF corresponding to the port on the virtual switch is by use, search VF corresponding with the port and by the VF
Status indication is to have used；
When the VF corresponding to the port on the virtual switch is not used by, search VF corresponding with the port simultaneously will described in
VF status indication is unused.
10. the managing device of network interface card in cloud platform according to claim 7, which is characterized in that the processor reading is held
The row program for the management of network interface card in cloud platform, also performs the following operations:
It, will be with the network interface card phase on the virtual switch topological diagram when the network interface card on the virtual switch is selected
One or more virtual machines of connection are highlighted.
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| CN111580936A (en) * | 2020-05-19 | 2020-08-25 | 山东超越数控电子股份有限公司 | Virtualized data processing method and system |
| CN111866209A (en) * | 2020-07-07 | 2020-10-30 | 上海云轴信息科技有限公司 | Method and equipment for distributing network card for cloud host |
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