CN104320274B - A kind of disaster recovery method and device - Google Patents
A kind of disaster recovery method and device Download PDFInfo
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- CN104320274B CN104320274B CN201410580101.0A CN201410580101A CN104320274B CN 104320274 B CN104320274 B CN 104320274B CN 201410580101 A CN201410580101 A CN 201410580101A CN 104320274 B CN104320274 B CN 104320274B
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Abstract
The present invention relates to disaster tolerance technology field, more particularly to a kind of disaster recovery method and device, to solve the problems, such as to carry out the less efficient of disaster tolerance switching in NFV networks.A kind of disaster recovery method provided in an embodiment of the present invention, including：Virtual machine VM detects access states of the VM to shared storage device；The VM determines the current working condition of the shared storage device according to the access state of detection；The VM disables the service link of the VM applications currently run it is determined that after shared storage device failure, so that the service traffics of the application are migrated to disaster tolerance corresponding to the application at.Using this method, once shared storage device breaks down, VM can detect access state exception in time, so as to which the service link of the application of self-operating is disabled in time, to realize that disaster tolerance switches, need not be from hardware layer to virtualization layer, then the failure notification process to VM, improve the efficiency for carrying out disaster tolerance switching.
Description
Technical field
The present invention relates to disaster tolerance technology field, more particularly to a kind of disaster recovery method and device.
Background technology
Network function virtualization (Network Function Virtualization, the NFV) technology developed rapidly
By using general purpose hardware and virtualization technology, to carry the operation of multiple applications, set so as to reduce the network of costliness
Standby cost.
As shown in Fig. 1 (a), to use the network architecture schematic diagram of NFV technology networkings, in the network architecture, comprising more
Platform main frame, shared storage device, the storage network being made up of the various network switch and application network form.Fig. 1 (b) be with
NFV logical construction schematic diagrams corresponding to Fig. 1 (a), including hardware layer, virtualization layer and virtual machine (Virtual Machine,
VM), hardware layer is by central processing unit (Central Processing Unit, CPU), internal memory (Memory), storage device
(Storage), network equipment etc. forms；(App) and Client OS (Guest Operating are applied in operation in VM
System, Guest OS).Every main frame can run one or more VM.
In order to which using migration characteristic is virtualized, typically the programmed instruction that form VM can be stored on shared storage device,
But because the reliability of shared storage device is relatively low, often break down, also result in dependent on the shared storage device
Each VM break down, and then cause the network element system that is formed of application by VM operations to break down, network element system here
System refers to the system that certain class business function is realized by multiple applications.
In order to after shared storage device breaks down, recover the work(of the network element system of shared storage device association as early as possible
Can, typically realized by way of disaster tolerance switching.In the production website (i.e. primary website) where some network element system
After shared storage device breaks down, the network element system is migrated to disaster tolerance website (i.e. backup site).
The premise for realizing disaster tolerance switching is that shared storage device needs to notify the fault message of itself to virtualization layer.
Virtualization technology requires mutually to decouple between hardware layer, virtualization layer and VM layers, and so each layer can independently extend evolution, but
It is that after each layer decoupling, the fault message of hardware layer is just difficult to notify VM layers in time.Fault message is sent from shared storage device
Receiving the fault message to VM probably needs the time of 10 minutes or so, it is clear that realizes appearance by this failure notification mode
The processing delay of calamity switching is longer, can have a strong impact on that network element system recovers the efficiency of normal work, so as to which traffic affecting is normal
Carry out.
The content of the invention
The embodiment of the present invention provides a kind of disaster recovery method and device, to solve to carry out disaster tolerance switching in NFV networks
The problem of less efficient.
First aspect, there is provided a kind of disaster recovery method, this method are applied in network function virtualization NFV networks, including：
Virtual machine VM detects access states of the VM to shared storage device；
The VM determines the current working condition of the shared storage device according to the access state of detection；
The VM it is determined that the shared storage device break down after, by the business chain of the VM applications currently run
Road disables, so that the service traffics of the application are migrated to disaster tolerance corresponding to the application at.
With reference in a first aspect, in the first possible implementation, the VM determines institute according to the access state of detection
The current working condition of shared storage device is stated, including：
The VM according to the access state of detection, and other VM feedbacks detect to the shared storage device
Access state, when it is determined that the VM more than setting ratio occurs abnormal to the access state of shared storage device, determine described common
Enjoy storage device failure.
With reference in a first aspect, or first aspect the first possible implementation, in second of possible implementation
In, the VM prohibits the service link of the VM applications currently run it is determined that after shared storage device failure
With, including：
Shared storage device fault message is sent to void by the VM it is determined that after shared storage device failure
Planization network function manages VNFM；
The VM is after the disaster tolerance indication message of VNFM transmissions is received, by the industry of the VM applications currently run
Business link disabling.
With reference to second of possible implementation of first aspect, in the third possible implementation, the VM will
Shared storage device fault message is sent to VNFM, including：
Shared storage device fault message is managed VIM by virtualized infrastructure and is sent to VNFM by the VM.
Second aspect, there is provided a kind of disaster recovery method, this method are applied in network function virtualization NFV networks, including：
Virtualize network function management VNFM and receive the shared storage device fault message that virtual machine VM is sent；
The VNFM determines the affiliated network element system of the application that the VM is currently run；Wherein, each network element system is used for
Realize a kind of business function, including at least one application；
VM where the VNFM each applications to the network element system respectively sends disaster tolerance indication message, is used for
Indicate the service link disabling for the application that each VM currently runs itself.
With reference to second aspect, in the first possible implementation, the VNFM receives the shared storage that VM is sent and set
Standby fault message, including：
The VNFM receives the shared storage device fault message from VM of virtualized infrastructure management VIM forwardings.
The third aspect, there is provided a kind of disaster tolerance device, the device are applied in network function virtualization NFV networks, including：
Detection module, for detecting access states of the VM to shared storage device；
Determining module, for the access state detected according to the detection module, determine that the shared storage device is current
Working condition；
Disaster tolerance handover module, described in after the determining module determines that the shared storage device breaks down, inciting somebody to action
The service link disabling for the application that VM is currently run, is answered so that the service traffics of the application are migrated to disaster tolerance corresponding to the application
Use.
With reference to the third aspect, in the first possible implementation, the determining module is specifically used for：
According to the access state of detection, and the access shape to the shared storage device detected of other VM feedbacks
State, when it is determined that the VM more than setting ratio occurs abnormal to the access state of shared storage device, determine the shared storage
Equipment breaks down.
With reference to the first possible implementation of the third aspect, or the third aspect, in second of possible implementation
In, the disaster tolerance handover module is specifically used for：After it is determined that the shared storage device breaks down, by shared storage device therefore
Barrier information is sent to virtualization network function management VNFM；After the disaster tolerance indication message of VNFM transmissions is received, by institute
State the service link disabling for the application that VM is currently run.
With reference to second of possible implementation of the third aspect, in the third possible implementation, the disaster tolerance
Handover module is specifically used for：
Shared storage device fault message is managed into VIM by virtualized infrastructure and is sent to VNFM.
Fourth aspect, there is provided a kind of disaster tolerance device, the device are applied in network function virtualization NFV networks, including：
Receiving module, for receiving the shared storage device fault message of virtual machine VM transmissions；
Determining module, the network element system affiliated for determining the application that the VM is currently run；Wherein, each network element system
For realizing a kind of business function, including at least one application；
Sending module, disaster tolerance switching instruction letter is sent for the VM where each application to the network element system respectively
Breath, the service link disabling for the application for currently running itself for indicating each VM.
With reference to fourth aspect, in the first possible implementation, the receiving module is specifically used for：
Receive the shared storage device fault message from VM of virtualized infrastructure management VIM forwardings.
Using the above method or device, VM determines shared deposit by detecting the access state to shared storage device in real time
The working condition of equipment is stored up, once shared storage device breaks down, VM can detect access state exception in time, so as to
In time to disable the service link of the application of self-operating, to realize that disaster tolerance switches, it is not necessary to from hardware layer to virtualization layer,
VM failure notification process is arrived again, improves the efficiency for carrying out disaster tolerance switching.
Brief description of the drawings
Fig. 1 (a) is the network architecture schematic diagram using NFV technology networkings；
Fig. 1 (b) is NFV logical construction schematic diagrams corresponding with Fig. 1 (a)；
Fig. 2 is the memory system architecture schematic diagram of the embodiment of the present invention；
Fig. 3 is the disaster recovery method flow chart that the embodiment of the present invention one provides；
Fig. 4 is by disposing schematic diagram of the detection procedure detection to the access state of shared storage device in VM；
Fig. 5 is the schematic diagram that the embodiment of the present invention carries out disaster tolerance deployment；
Fig. 6 is the disaster recovery method flow chart that the embodiment of the present invention two provides；
Fig. 7 is the disaster recovery method flow chart that the embodiment of the present invention three provides；
Fig. 8 is shared storage device failure notification corresponding with Fig. 7 and notifies operation layer to carry out the schematic diagram of disaster tolerance switching；
Shown in Fig. 9, for the disaster tolerance apparatus structure schematic diagram of the offer of the embodiment of the present invention four；
Shown in Figure 10, for the disaster tolerance apparatus structure schematic diagram of the offer of the embodiment of the present invention five.
Embodiment
As shown in Fig. 2 be the structural representation of storage system 20 of the embodiment of the present invention, including shared storage device 21 and extremely
A few virtual machine VM22, shared storage device 21 can be specifically magnetic battle array, storage area network (Storage Area
Network, SAN) in storage device etc..Each VM22 execute instruction is stored in shared storage device 31, VM operation
It is responsible for by main frame 220, every main frame can run one or more VM.The basic thought of the embodiment of the present invention is：VM is actively examined
Access states of the VM to shared storage device is surveyed, based on the access state of detection, determines the current work of the shared storage device
Make state；If it is determined that shared storage device breaks down, then the service link of the VM applications currently run is disabled, so,
The service traffics of the application will be migrated from the VM to the disaster tolerance application of the application, and disaster tolerance application here is realization and should
Using the application of identical function, the application of backup is referred to as, is enabled after disaster tolerance switching.
Using the embodiment of the present invention, VM determines shared storage by detecting the access state to shared storage device in real time
The working condition of equipment, once shared storage device breaks down, VM can detect access state exception in time, so as to
The service link of the application of self-operating is disabled in time, to realize that disaster tolerance switches, it is not necessary to from hardware layer to virtualization layer, then
To VM failure notification process, the efficiency for carrying out disaster tolerance switching is improved.With reference to Figure of description to the embodiment of the present invention
It is described in further detail.
As shown in figure 3, the disaster recovery method flow chart provided for the embodiment of the present invention one, it is empty that this method is applied to network function
In planization NFV networks, comprise the following steps：
S301：VM detects access states of the VM to shared storage device.
Here it is possible to dispose detection procedure in VM, detection is written and read to shared storage device and (or input defeated
Go out I/O detections).Can specifically use and be periodically detected mode, according to detect multiple result judge current access state (
That is read-write state) whether occur abnormal (ratio is such as whether there are I/O obstructions).Such as every 5s detections once, if continuously examining three times
Measure read-write state exception, it is determined that the VM occurs abnormal to the access state of shared storage device.
S302：VM determines the current working condition of the shared storage device according to the access state of detection.
In the step, after VM detects that exception occurs in itself access state to shared storage device, you can to determine altogether
The current working condition of storage device is enjoyed to break down.Or in order to exclude the influence of the VM faults itselfs, it can use following
Preferable mode determines：
The VM according to the access state of detection, and other VM feedbacks detect to the shared storage device
Access state, when it is determined that the VM more than setting ratio occurs abnormal to the access state of shared storage device, determine described common
Enjoy storage device failure.
The access state each detected can be mutually notified in specific implementation process, between each VM.At this moment, detect into
In addition to being responsible for being written and read detection, the access state that can also be responsible for detecting notifies journey to other VM in storage system,
Specifically, the access state detected can be notified to other VM by the form of broadcast.That is, the detection procedure uses two
Individual thread, it is responsible for for one being written and read detection, another responsible and other detection procedure mutually notifies the access state detected.
In specific implementation, the proportion threshold value for determining that shared storage device breaks down can also be set, if the VM more than setting ratio
There is exception to the access state of shared storage device, it is determined that shared storage device breaks down.Such as setting ratio here
The VM of example can be the 90% VM or VM of whole.As shown in figure 4, to be detected by disposing detection procedure in VM
To the schematic diagram of the access state of shared storage device, it can be seen that can be wide by timing between each VM detection procedure
The access state that detects is broadcast to consult to determine the working condition that shared storage device is current, and it is determined that shared storage device goes out
After existing failure, notifying to the application (App) run in VM, each App disables the service link of itself to realize that disaster tolerance switches,
Will the App service traffics migrate to should apply disaster tolerance application in.So, after shared storage device breaks down,
It can be directly detected by being deployed in the virtual machine VM on virtualization layer, so as to substantially increase the efficiency of fault detect,
Just accordingly improve the efficiency of disaster tolerance switching.
S303：VM it is determined that the shared storage device break down after, by the business of the VM applications currently run
Link disables, so that the service traffics of the application are migrated to disaster tolerance corresponding to the application at.
In the step, VM is in communication with each other with other VM, after determining that shared storage device breaks down, by self-operating
The service link disabling for the transceiving data each applied.So, after the service link of the application is disabled, business transmitting terminal meeting
Automatically business datum is migrated at disaster tolerance application, the disaster tolerance application takes over the application and continues to provide identical corresponding to the application
Business service.
Using the embodiment of the present invention, each VM execute instruction being stored in same shared storage device passes through real-time
Detection determines the working condition of shared storage device to the access state of shared storage device, once shared storage device occurs
Failure, each VM can detect access state exception in time, so as in time by the service link of the application of self-operating
Disabling, to realize that disaster tolerance switches, improve the efficiency for carrying out disaster tolerance switching.In addition, by being in communication with each other between each VM,
Consult to determine that the mode of the working condition of shared storage device may insure in network element system (Network Element, NE) respectively
The uniformity of the disaster tolerance switching of individual application, thereby may be ensured that the normal operation of the business of network element system.Here network element system
For realizing certain a kind of business function, one or more applications can be included.Each application of one network element system is disposed jointly
In primary production website and standby disaster tolerance website, once the production stations point goes wrong, by each of the network element system
The service traffics synchronous migration of application is into disaster tolerance website, it is ensured that the integrality and uniformity of network element system function.Such as
One network element system includes being separately operable the application of short message service and MMS.As shown in figure 5, carried out for the embodiment of the present invention
The schematic diagram of disaster tolerance deployment.
In the above-described embodiments, virtual machine VM, can be directly by operation after detecting that shared storage device breaks down
Application service link disabling；The fault message of shared storage device first can also be notified into the virtualization network to operation layer
Function management (Virtual Network Function Manager, VNFM), carries out Global treatment, i.e., according to the VM by VNFM
The fault message reported, indicate that the affiliated network element system of the application of VM operations integrally carries out disaster tolerance switching, below by one
Specific embodiment is described further to this embodiment.
As shown in fig. 6, the disaster recovery method flow chart provided for the embodiment of the present invention two, this method are applied to network
In virtualization of function NFV networks, this method includes：
S601：VM detects access states of the VM to shared storage device.
S602：VM determines the current working condition of the shared storage device according to the access state of detection.
S603：Shared storage device fault message is sent to by VM it is determined that after shared storage device failure
VNFM。
In the step, VM it is determined that shared storage device break down after, can be straight by shared storage device fault message
Virtualization network function management VNFM is given in sending and receiving；Or shared storage device fault message can be sent to basis first
Virtualized infrastructure management (the Virtual Infrastructure of facility layer (Infrastructure layers, abbreviation I layers)
Management, VIM), VNFM, the description of detailed in Example three are sent to by VIM.
Here, when other VM in VM and same production website are by being in communication with each other, negotiation determines shared storage device
During working condition, it can consult to determine a VM to report shared storage device failure by each VM for belonging to same network element system
Information, it each can also report shared storage device fault message by VM, not limit here.
S604：VNFM receives the shared storage device fault message that VM is sent.
VM sends the mode of shared storage device fault message in corresponding above-mentioned steps S603, and it is direct that VNFM can receive VM
The shared storage device fault message of transmission, the shared storage from VM that can also receive infrastructure management VIM forwardings are set
Standby fault message, the description of detailed in Example three.
S605：VNFM determines the affiliated network element system of the application that the VM is currently run；Wherein, each network element system is used for
Realize a kind of business function, including at least one application.
S606：VM where VNFM each applications to the network element system respectively sends disaster tolerance indication message, uses
In the service link disabling for the application that each VM of instruction currently runs itself.
With reference to step S605, VNFM after the shared storage device fault message that any VM is sent is received, it is determined that this
Network element system belonging to one VM, the VM where each application respectively to the network element system send disaster tolerance indication message, referred to
Show the service link disabling for the application that each VM therein currently runs itself, to realize the service traffics of the network element system
Disaster tolerance website is moved to from production website.
So, can ensure that by the service traffics synchronous migration of each application of the network element system into disaster tolerance website
The integrality and uniformity of network element system function.
S607：VM is after the disaster tolerance indication message of VNFM transmissions is received, by the VM applications currently run
Service link disables.
As shown in fig. 7, the disaster recovery method flow chart provided for the embodiment of the present invention three, Fig. 8 deposits for corresponding share
Store up equipment fault notice and notice operation layer carries out the schematic diagram of disaster tolerance switching；This method includes：
S701：VM detects access states of the VM to shared storage device.
In the step, each VM in same cluster accesses same shared storage device, and each cluster may deploy one
Individual or multiple network element systems.
S702：VM according to the access state of detection, and other VM feedbacks detect to the shared storage device
Access state, when it is determined that the VM more than setting ratio occurs abnormal to the access state of shared storage device, it is determined that described
Shared storage device breaks down.
In the step, by being in communication with each other between each VM in same cluster, consult to determine the work of shared storage device
Make state.
S703：Shared storage device fault message is sent to VIM by VM.
In the step, each VM it is determined that shared storage device break down after, can be by shared storage device failure
Information is sent to VIM (if without VIM forwarding, being transmitted directly to VNFM)；Or each VM associations in same network element system
Business, which selects a VM shared storage device fault message is sent into VIM, (if without VIM forwarding, to be transmitted directly to
VNFM)；Or each VM negotiations in same cluster select a VM and are sent to shared storage device fault message
VIM (if without VIM forwarding, is transmitted directly to VNFM).
S704：Shared storage device fault message is sent to VNFM by VIM.
S705：VNFM determines that the VM works as after the shared storage device fault message from VM of VIM transmissions is received
The affiliated network element system of the application of preceding operation, or, the information of the cluster where the VM is determined, and determine associated by the cluster
All network element systems；Wherein, each network element system is used to realize a kind of business function, including at least one application.
In the step, VNFM, can also be true after the shared storage device fault message from VM of VIM transmissions is received
The information of cluster where the fixed VM, determine each network element system of the All hosts operation in the cluster.
S706：VM where VNFM each applications to the network element system of determination respectively sends disaster tolerance indication message,
The service link disabling for the application for currently running itself for indicating each VM.
S707：VM is after the disaster tolerance indication message of VNFM transmissions is received, by the VM applications currently run
Service link disables.
Based on same inventive concept, a kind of disaster tolerance device corresponding with disaster recovery method is additionally provided in the embodiment of the present invention,
It is similar to disaster recovery method of the embodiment of the present invention to solve the principle of problem due to the device, therefore the implementation side of may refer to of the device
The implementation of method, repeat part and repeat no more.
As shown in figure 9, the disaster tolerance apparatus structure schematic diagram provided for the embodiment of the present invention four, the device are applied to network work(
It can virtualize in NFV networks, including：
Detection module 91, for detecting access states of the VM to shared storage device；
Determining module 92, for the access state detected according to the detection module 91, determine the shared storage device
Current working condition；
Disaster tolerance handover module 93, for after the determining module 92 determines that the shared storage device breaks down, inciting somebody to action
The service link disabling for the application that the VM is currently run, so that the service traffics of the application are migrated to appearance corresponding to the application
At calamity application.
Alternatively, the determining module 92 is specifically used for：
According to the access state of detection, and the access shape to the shared storage device detected of other VM feedbacks
State, when it is determined that the VM more than setting ratio occurs abnormal to the access state of shared storage device, determine the shared storage
Equipment breaks down.
Alternatively, the disaster tolerance handover module 93 is specifically used for：It is determined that after shared storage device failure, incite somebody to action
Shared storage device fault message is sent to virtualization network function management VNFM；Refer in the disaster tolerance switching for receiving VNFM transmissions
After showing information, the service link of the VM applications currently run is disabled.
Alternatively, the disaster tolerance handover module 93 is specifically used for：
Shared storage device fault message is managed into VIM by virtualized infrastructure and is sent to VNFM.
As shown in Figure 10, the disaster tolerance apparatus structure schematic diagram provided for the embodiment of the present invention five, the device are applied to network
In virtualization of function NFV networks, including：
Receiving module 101, for receiving the shared storage device fault message of virtual machine VM transmissions；
Determining module 102, the network element system affiliated for determining the application that the VM is currently run；Wherein, each network element
System is used to realize a kind of business function, including at least one application；
Sending module 103, disaster tolerance switching instruction is sent for the VM where each application to the network element system respectively
Information, the service link disabling for the application for currently running itself for indicating each VM.
Alternatively, the receiving module 101 is specifically used for：
Receive the shared storage device fault message from VM of virtualized infrastructure management VIM forwardings.
It should be understood by those skilled in the art that, embodiments of the invention can be provided as method, system or computer program
Product.Therefore, the present invention can use the reality in terms of complete hardware embodiment, complete software embodiment or combination software and hardware
Apply the form of example.Moreover, the present invention can use the computer for wherein including computer usable program code in one or more
The computer program production that usable storage medium is implemented on (including but is not limited to magnetic disk storage, CD-ROM, optical memory etc.)
The form of product.
The present invention is the flow with reference to method, apparatus (system) and computer program product according to embodiments of the present invention
Figure and/or block diagram describe.It should be understood that can be by every first-class in computer program instructions implementation process figure and/or block diagram
Journey and/or the flow in square frame and flow chart and/or block diagram and/or the combination of square frame.These computer programs can be provided
The processors of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing devices is instructed to produce
A raw machine so that produced by the instruction of computer or the computing device of other programmable data processing devices for real
The device for the function of being specified in present one flow of flow chart or one square frame of multiple flows and/or block diagram or multiple square frames.
These computer program instructions, which may be alternatively stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that the instruction being stored in the computer-readable memory, which produces, to be included referring to
Make the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one square frame of block diagram or
The function of being specified in multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing devices so that counted
Series of operation steps is performed on calculation machine or other programmable devices to produce computer implemented processing, so as in computer or
The instruction performed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in individual square frame or multiple square frames.
Although preferred embodiments of the present invention have been described, but those skilled in the art once know basic creation
Property concept, then can make other change and modification to these embodiments.So appended claims be intended to be construed to include it is excellent
Select embodiment and fall into having altered and changing for the scope of the invention.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the present invention to the present invention
God and scope.So, if these modifications and variations of the present invention belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising including these changes and modification.
Claims (12)
- A kind of 1. disaster recovery method, it is characterised in that this method is applied in network function virtualization NFV networks, including：Virtual machine VM detects access states of the VM to shared storage device；The VM determines the current working condition of the shared storage device according to the access state of detection；The VM prohibits the service link of the VM applications currently run it is determined that after shared storage device failure With so that the service traffics of the application are migrated to disaster tolerance corresponding to the application at.
- 2. the method as described in claim 1, it is characterised in that the VM is determined described shared according to the access state of detection The current working condition of storage device, including：The VM is according to the access state of detection, and the access to the shared storage device detected of other VM feedbacks State, when it is determined that the VM more than setting ratio occurs abnormal to the access state of shared storage device, determine that described share is deposited Equipment is stored up to break down.
- 3. method as claimed in claim 1 or 2, it is characterised in that the VM is it is determined that event occurs in the shared storage device After barrier, the service link of the VM applications currently run is disabled, including：Shared storage device fault message is sent to virtualization by the VM it is determined that after shared storage device failure Network function manages VNFM；The VM is after the disaster tolerance indication message of VNFM transmissions is received, by the business chain of the VM applications currently run Road disables.
- 4. method as claimed in claim 3, it is characterised in that shared storage device fault message is sent to by the VM VNFM, including：Shared storage device fault message is managed VIM by virtualized infrastructure and is sent to VNFM by the VM.
- A kind of 5. disaster recovery method, it is characterised in that this method is applied in network function virtualization NFV networks, including：Virtualize network function management VNFM and receive the shared storage device fault message that virtual machine VM is sent；The shared storage Device fault information is according to detecting the VM to determined by the access state of shared storage device as the VM；The VNFM determines the affiliated network element system of the application that the VM is currently run；Wherein, each network element system is used to realize A kind of business function, including at least one application；VM where the VNFM each applications to the network element system respectively sends disaster tolerance indication message, for indicating The service link disabling for the application that each VM currently runs itself.
- 6. method as claimed in claim 5, it is characterised in that the VNFM receives the shared storage device failure letter that VM is sent Breath, including：The VNFM receives the shared storage device fault message from VM of virtualized infrastructure management VIM forwardings.
- A kind of 7. disaster tolerance device, it is characterised in that the device is applied in network function virtualization NFV networks, including：Detection module, for detecting access states of the VM to shared storage device；Determining module, for the access state detected according to the detection module, determine the current work of the shared storage device Make state；Disaster tolerance handover module, for after the determining module determines that the shared storage device breaks down, the VM to be worked as The service link disabling of the application of preceding operation, so that the service traffics of the application are migrated to disaster tolerance application corresponding to the application Place.
- 8. device as claimed in claim 7, it is characterised in that the determining module is specifically used for：According to the access state of detection, and the access state to the shared storage device detected of other VM feedbacks, When it is determined that the VM more than setting ratio occurs abnormal to the access state of shared storage device, the shared storage device is determined Break down.
- 9. device as claimed in claim 7 or 8, it is characterised in that the disaster tolerance handover module is specifically used for：It is determined that described After shared storage device breaks down, shared storage device fault message is sent to virtualization network function management VNFM； After the disaster tolerance indication message for receiving VNFM transmissions, the service link of the VM applications currently run is disabled.
- 10. device as claimed in claim 9, it is characterised in that the disaster tolerance handover module is specifically used for：Shared storage device fault message is managed into VIM by virtualized infrastructure and is sent to VNFM.
- A kind of 11. disaster tolerance device, it is characterised in that the device is applied in network function virtualization NFV networks, including：Receiving module, for receiving the shared storage device fault message of virtual machine VM transmissions；The shared storage device failure Information is according to detecting the VM to determined by the access state of shared storage device as the VM；Determining module, the network element system affiliated for determining the application that the VM is currently run；Wherein, each network element system is used for Realize a kind of business function, including at least one application；Sending module, disaster tolerance indication message is sent for the VM where each application to the network element system respectively, is used In the service link disabling for the application that each VM of instruction currently runs itself.
- 12. device as claimed in claim 11, it is characterised in that the receiving module is specifically used for：Receive the shared storage device fault message from VM of virtualized infrastructure management VIM forwardings.
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| EP3300298B1 (en) | 2015-06-30 | 2020-11-25 | Huawei Technologies Co., Ltd. | Method and apparatus for switching vnf |
| CN106549783A (en) * | 2015-09-18 | 2017-03-29 | 中兴通讯股份有限公司 | Virtual-machine fail treating method and apparatus |
| CN106569871A (en) * | 2015-10-12 | 2017-04-19 | 中兴通讯股份有限公司 | Method and device for upgrade processing |
| US10135702B2 (en) * | 2015-11-12 | 2018-11-20 | Keysight Technologies Singapore (Holdings) Pte. Ltd. | Methods, systems, and computer readable media for testing network function virtualization (NFV) |
| CN109417488B (en) * | 2016-06-28 | 2020-10-23 | 华为技术有限公司 | Method and equipment for managing virtual network function resources |
| CN110073342A (en) * | 2016-12-23 | 2019-07-30 | 英特尔公司 | For hardware-accelerated pseudo channel |
| CN108133034B (en) * | 2018-01-08 | 2021-07-06 | 新华三云计算技术有限公司 | Shared storage access method and related device |
| US11398968B2 (en) | 2018-07-17 | 2022-07-26 | Keysight Technologies, Inc. | Methods, systems, and computer readable media for testing virtualized network functions and related infrastructure |
| CN110580193B (en) * | 2019-08-15 | 2022-07-08 | 苏州浪潮智能科技有限公司 | Virtualization-based single-site disaster recovery method, system and equipment |
| US11323354B1 (en) | 2020-10-09 | 2022-05-03 | Keysight Technologies, Inc. | Methods, systems, and computer readable media for network testing using switch emulation |
| US11483227B2 (en) | 2020-10-13 | 2022-10-25 | Keysight Technologies, Inc. | Methods, systems and computer readable media for active queue management |
| US11853254B1 (en) | 2022-10-07 | 2023-12-26 | Keysight Technologies, Inc. | Methods, systems, and computer readable media for exposing data processing unit (DPU) traffic in a smartswitch |
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