CN108255576A - Live migration of virtual machine abnormality eliminating method, device and storage medium - Google Patents
Live migration of virtual machine abnormality eliminating method, device and storage medium Download PDFInfo
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- CN108255576A CN108255576A CN201711292113.3A CN201711292113A CN108255576A CN 108255576 A CN108255576 A CN 108255576A CN 201711292113 A CN201711292113 A CN 201711292113A CN 108255576 A CN108255576 A CN 108255576A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
- G06F9/45533—Hypervisors; Virtual machine monitors
- G06F9/45558—Hypervisor-specific management and integration aspects
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/14—Error detection or correction of the data by redundancy in operation
- G06F11/1402—Saving, restoring, recovering or retrying
- G06F11/1415—Saving, restoring, recovering or retrying at system level
- G06F11/1438—Restarting or rejuvenating
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
- G06F9/45533—Hypervisors; Virtual machine monitors
- G06F9/45558—Hypervisor-specific management and integration aspects
- G06F2009/4557—Distribution of virtual machine instances; Migration and load balancing
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Abstract
The present invention relates to a kind of live migration of virtual machine abnormality eliminating method, device, computer equipment and storage medium, the method includes：When the thermomigration process of virtual machine is abnormal, then the operating status of the virtual machine is revised as state of activation；Initiate virtual machine instruction of restarting；The virtual machine instruction of restarting is used to restart the virtual machine being active；When the virtual machine is restarted unsuccessfully and the operating status of the virtual machine is abnormality, then after being repaired according to corresponding abnormal log, the virtual machine instruction of restarting is re-initiated；When the virtual machine restarts success, then continue the thermomigration process of the virtual machine.The application, which provides scheme, can realize the exception for restoring occur during live migration of virtual machine, reduce the unavailable time of virtual machine.
Description
Technical field
The present invention relates to field of computer technology, more particularly to live migration of virtual machine abnormality eliminating method, device, calculating
Machine equipment and storage medium.
Background technology
Thermophoresis migrates (online migration) online, also known as real-time migration (live migration), is
Refer to while virtual machine normal operation is ensured, virtual machine is migrated between different physical hosts.More successfully move
It is that bulk migration time and unavailable time are all shorter to move past journey, and the performance for running virtual machine on host to being migrated is made
Into influence it is relatively low.Thermomigration process is related to the copy of disk, virtual machine is read and write more frequent, it may appear that thermophoresis occurs
Abnormal situation.
Traditional approach mainly aims at prevention that thermophoresis is avoided abnormal situation occur, by system backup and restores skill
Storage medium, is then connected to destination host by the state of art, operating system of backing up in realtime on source virtual machine and application program
On, virtual machine is rebuild on destination host, but this migration pattern so that virtual machine unavailable time is longer in transition process, from
And cause the loss of data of virtual machine.
Invention content
Based on this, it is necessary to which virtual machine unavailable time can be led to by abnormal mode occur for existing prevention thermophoresis
The problem of longer, provides a kind of live migration of virtual machine abnormality eliminating method, device, computer equipment and storage medium.
A kind of live migration of virtual machine abnormality eliminating method, the method includes：
When the thermomigration process of virtual machine is abnormal, then
The operating status of the virtual machine is revised as state of activation；
Initiate virtual machine instruction of restarting；The virtual machine instruction of restarting is used for the virtual machine weight that will be active
It opens；
When the virtual machine is restarted unsuccessfully and the operating status of the virtual machine is abnormality, then according to corresponding
Abnormal log repaired after, re-initiate the virtual machine instruction of restarting；
When the virtual machine restarts success, then continue the thermomigration process of the virtual machine.
A kind of live migration of virtual machine exception handling device, described device include：
Modified module, for when the thermomigration process of virtual machine is abnormal, then by the operating status of the virtual machine
It is revised as state of activation；
Module is restarted, for initiating virtual machine instruction of restarting；The virtual machine instruction of restarting is used to be active
The virtual machine restart；When the virtual machine is restarted unsuccessfully and the operating status of the virtual machine is abnormality, then exist
After being repaired according to corresponding abnormal log, the virtual machine instruction of restarting is re-initiated；
Thermophoresis module restarts success for working as the virtual machine, then continues the thermomigration process of the virtual machine.
A kind of computer equipment, the computer equipment include memory, processor and are stored on the memory simultaneously
The computer program that can be run on the processor, the processor realize that the present invention is any when performing the computer program
The step of live migration of virtual machine abnormality eliminating method provided in embodiment.
One or more is stored with the storage medium of computer program, when the calculation procedure is executed by processor so that
The processor performs the step of live migration of virtual machine abnormality eliminating method provided in any embodiment of the present invention.
Above-mentioned live migration of virtual machine abnormality eliminating method, device, computer equipment and storage medium, when the heat of virtual machine is moved
When moving past journey and being abnormal, then the operating status of virtual machine is revised as state of activation, can send weight to virtual machine at this time
Instruction is opened, the virtual machine being active is restarted；Restart unsuccessfully in virtual machine, and when virtual machine reports an error,
Then virtual machine instruction of restarting can be initiated again, at this time virtually after being repaired according to corresponding abnormal log to virtual machine
Machine can restart success, demonstrate the correctness of virtual machine state, it is possible to continue thermomigration process, reducing virtual machine can not
With the time, it can rapidly restore database exception.
Description of the drawings
Fig. 1 is the applied environment figure of live migration of virtual machine abnormality eliminating method in one embodiment；
Fig. 2 is the flow diagram of live migration of virtual machine abnormality eliminating method in one embodiment；
Fig. 3 is the flow diagram of live migration of virtual machine abnormality eliminating method in another embodiment；
Fig. 4 is the flow diagram of live migration of virtual machine abnormality eliminating method in another embodiment；
Fig. 5 is the flow diagram of live migration of virtual machine abnormality eliminating method in a specific embodiment；
Fig. 6 is the structure diagram of live migration of virtual machine exception handling device in one embodiment；
Fig. 7 is the structure diagram of live migration of virtual machine exception handling device in another embodiment；
Fig. 8 is the structure diagram of live migration of virtual machine exception handling device in further embodiment；
Fig. 9 is the structure diagram of the thermophoresis module in live migration of virtual machine exception handling device in one embodiment；
Figure 10 is the structure diagram of one embodiment Computer equipment.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, it is right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Fig. 1 is the applied environment figure of live migration of virtual machine abnormality eliminating method in one embodiment.With reference to Fig. 1, this is virtual
Machine thermophoresis abnormality eliminating method is applied to live migration of virtual machine abnormality processing system.Live migration of virtual machine abnormality processing system packet
Include control node 110, source calculate node 120 and the target computing nodes 130 in OpenStack environment, wherein control node 110
It is connect by network with source calculate node 120, target computing nodes 130.Source calculate node 120 is calculated by network and target and saved
130 connection of point.Control node 110 is used to be scheduled the process of OpenStack thermophoresis.OpenStack thermophoresis be by
Virtual machine (vm) migration in source calculate node 120 is to target computing nodes 130.Source calculate node 120 and target computing nodes
130 are located at different physical hosts respectively.For example, the corresponding IP of physical host at 110 corresponding place of control node is
192.168.3.10, the corresponding IP of physical host where the calculate node of source is 192.168.3.12, where target computing nodes
The corresponding IP 192.168.3.14 of physical host.It can be handed between another node by IP address between each node
Change data.
As shown in Fig. 2, in one embodiment, provide a kind of live migration of virtual machine abnormality eliminating method, the present embodiment with
This method is come applied to the control node 110 in Fig. 1 for example, this method specifically includes the following contents：
The operating status of virtual machine when the thermomigration process of virtual machine is abnormal, is then revised as activation shape by S202
State.
Wherein, virtual machine is the virtual machine in OpenStack environment.The thermomigration process of virtual machine is from source by virtual machine
Calculate node moves to the process of target computing nodes.It such as can be at virtual machine that the thermomigration process of virtual machine, which is abnormal,
In transition state (IMIGRATING), but still only some moves to target calculating section to the disk file of source calculate node
There is long-time interim card in point, that is, thermomigration process.
Operating status of the virtual machine in thermomigration process includes ACTIVE, IMIGRATING or ERROR etc..
ACTIVE, as state of activation represent what virtual machine was up in thermomigration process.IMIGRATING is virtual machine
For transition state.ERROR is that virtual machine (vm) migration process mistake occurs, and virtual machine is in abnormality.Virtual machine is in migration shape
Under state, control node is unable to control virtual machine and restarts or shut down.
Specifically, the operating status of the virtual machine in OpenStack environment is stored in the instance tables of Nova databases
In, control node repaiies the operating status of the virtual machine in database when the thermomigration process for finding virtual machine is abnormal
It is changed to state of activation, it is possible to which reboot operation is carried out to virtual machine.
In one embodiment, control node can first list the tenant of source calculate node, to be migrated inquiring
After virtual machine and its corresponding virtual machine mark, the operating status of virtual machine is revised as by activation shape according to virtual machine mark
State checks all tenant's states, it may be determined that the operating status of virtual machine to be migrated is changed again after activation.
For example, control node finds out all source calculate nodes by performing nova list--all-tenants
Tenant；It, can be by performing nova when inquiring virtual machine to be migrated and corresponding virtual machine is identified as 0001-0002
The operating status of virtual machine is revised as state of activation, and passes through and perform nova list-- by reset-state 0001-0002
All-tenants checks the corresponding operating status of virtual machine to be migrated.
S204 initiates virtual machine instruction of restarting；Virtual machine instruction of restarting is used to restart the virtual machine being active.
Wherein, virtual machine instruction of restarting be for by the virtual machine being active attempt normal shutdown after and restart
Instruction.Restarted to virtual machine for " soft reboot " here.Specifically, control node goes out in the thermomigration process for inquiring virtual machine
When now abnormal, whether need first to inquire virtual machine to be migrated in IMIGRATING, PENDING, PAUSING, SUSPENDIN
Etc. states, if so, need the operating status of virtual machine in database is first revised as state of activation, virtual machine could be performed
Instruction of restarting.For example, control node specifically can be identified as 0001- by performing nova reboot 0001-0002 to virtual machine
0002 virtual machine is restarted.
S206, when virtual machine is restarted unsuccessfully and the operating status of virtual machine is abnormality, then according to corresponding different
After Chang Zhi is repaired, virtual machine instruction of restarting is re-initiated.
Wherein, when virtual machine is restarted unsuccessfully and the operating status of virtual machine refers to control node from number for abnormality
Operating status according to the virtual machine inquired in library is ERROR.It with virtual machine is the corresponding daily record of ERROR states that abnormal log, which is,
Information.
Specifically, control node is restarted unsuccessfully inquiring virtual machine, can be corresponding with virtual machine abnormality by inquiring
Daily record, there is the reason of abnormal to position, after the exception repaired and navigated in OpenStack databases, initiate again
Virtual machine instruction of restarting.Control node can specifically be obtained and virtual machine by execution/var/lib/nova/nova-api.log
The corresponding abnormal log of abnormality.
In one embodiment, control node can position the operation shape of virtual machine according to the keyword in abnormal log
There is the reason of abnormal in state.Due to the journal format of OpenStack be all it is unified, it is as follows：
<Timestamp><Logging level><Code module><Request ID><Log content><Source code position>
Wherein, logging level includes：INFO, WARNING, ERROR, DEBUG etc..Control node can be by logging level
These preset keywords position abnormal log；After the abnormal log is navigated to, the log content in daily record determines
The reason of abnormal, such control node just can targetedly repair the status information of virtual machine in database.
S208 when virtual machine restarts success, then continues the thermomigration process of virtual machine.
Specifically, if after instruction of restarting is performed to virtual machine, virtual machine can restart success, and control node does not connect
Any daily record that reports an error is received, then demonstrates the correctness of virtual machine state information in OpenStack databases, control node can be right
Virtual machine continues thermomigration process.Specifically, control node can continue thermophoresis by performing novalive-migration
Process.
Above-mentioned live migration of virtual machine abnormality eliminating method, then will be virtual when the thermomigration process of virtual machine is abnormal
The operating status of machine is revised as state of activation, can send instruction of restarting to virtual machine at this time, will be active
Virtual machine is restarted；Restart unsuccessfully in virtual machine, and when virtual machine reports an error, then it can be according to corresponding abnormal log
After being repaired to virtual machine, virtual machine instruction of restarting is initiated again, and virtual machine can restart success at this time, demonstrate virtual machine
The correctness of state, it is possible to continue thermomigration process, reduce virtual machine unavailable time, can rapidly restore database
It is abnormal.
In one embodiment, as shown in figure 3, live migration of virtual machine abnormality eliminating method is further comprising the steps of：
S302 obtains the thermophoresis progress status information generated in the thermomigration process of virtual machine.
Wherein, it is total to include the total amount of data handled in thermomigration process, remaining data for thermophoresis progress status information
Amount, the memory amount of processing, remaining memory amount etc..Specifically, find that live migration of virtual machine process goes out in control node
Show long-time interim card, i.e., when stagnation occurs in thermophoresis progress status information, then can check finger by performing thermophoresis progress
It enables inquiring corresponding live migration of virtual machine progress status information.Specifically, control node can be by performing virsh
Domjobinfo instance 0001-0002 come check virtual machine be identified as the corresponding live migration of virtual machine of 0001-0002 into
Spend status information.
S304 judges whether thermomigration process is abnormal according to thermophoresis progress status information.
Specifically, control node is to judge thermomigration process according to the live migration of virtual machine progress status information viewed
It is no exception occur.For example, do not occur in preset time period content in total amount of data, the remaining data total amount for finding handling
Variation, then can determine whether that exception occurs in thermomigration process.Alternatively, remaining data total amount is inquired as sky in control node, still
When destination node is not received entirely corresponding data yet, then it can determine whether that exception occurs in thermomigration process.
In the present embodiment, control node can be sentenced according to the thermophoresis progress status information during live migration of virtual machine
Whether disconnected thermomigration process is abnormal, can be after the operating status of virtual machine is changed after judging to be abnormal
Restart, obtain corresponding abnormal log, the status information in database is changed according to abnormal log, is continued after successfully restarting
Thermomigration process.
In one embodiment, live migration of virtual machine abnormality eliminating method is further comprising the steps of：It is virtual re-initiating
After machine instruction of restarting, when virtual machine is restarted unsuccessfully and the operating status of virtual machine is abnormality, then return virtual machine
Operating status is revised as the step of state of activation, until virtual machine restarts success.
Specifically, when virtual machine is restarted unsuccessfully and the operating status of virtual machine is abnormality, then in database of descriptions
Also there is the status information of mistake, need to be repaired after navigating to the error message.Control node is receiving virtual machine
When operating status is the prompting of abnormality, then the step of operating status of virtual machine is revised as state of activation is returned to, again
Abnormal log is positioned, the status information of the mistake in database is repaired, until virtual machine can successfully restart.
In the present embodiment, control node can be realized by constantly changing the operating status of virtual machine in database
Virtual machine is restarted, the reason of abnormal is positioned according to the abnormal log after restarting, is repaired, until virtual machine can
Restart success.
In one embodiment, as shown in figure 4, before step S202, live migration of virtual machine abnormality eliminating method also wraps
Include following steps：
S402 sends the first backup instruction to the source calculate node where virtual machine；First backup instruction is used to indicate source
Calculate node backup virtual machine source calculate node file, and by file copy to virtual machine migrate to target calculate section
Point.
Wherein, the first backup instruction is indicated for finger of the source calculate node backup virtual machine in the file of source calculate node
It enables.Virtual machine includes log information, the disk file of virtual machine, the virtual machine when virtual machine starts in the file of source calculate node
Configuration file etc..
Specifically, for live migration of virtual machine process exception is avoided the mistake that can not restore occur during handling, cause
The loss of virtual-machine data, before the operating status of virtual machine in database is revised as state of activation, control node is to void
Source calculate node where plan machine sends the first backup instruction, and by virtual machine, corresponding file progress is standby in the calculate node of source
Part, after a backup, the file of virtual machine is started to be copied to target computing nodes by control node.Control node can pass through execution
SCP is instructed the file copy of virtual machine to target computing nodes.
S404, to virtual machine migrate to target computing nodes send the second backup instruction；Second backup instruction is used for
Indicate file of the target computing nodes backup virtual machine in target computing nodes.
Wherein, the second backup instruction is indicated for text of the target computing nodes backup virtual machine in target computing nodes
Part.The file of the virtual machine of OpenStack be stored in calculate node /var/lib/nova/instances/ catalogues under, when this
Calculate node delay machine when, virtual machine just will appear the mistake that can not restore.To avoid this type of circumstances from happening, control node
The second backup instruction is sent to the target computing nodes where virtual machine, file of the virtual machine in target computing nodes is carried out
Backup.
In the present embodiment, by going to repair in database again after file of the virtual machine in calculate node is backed up
Change the operating status of virtual machine, can be further ensured that virtual-machine data is not lost.
In one embodiment, the thermomigration process of the virtual machine in live migration of virtual machine abnormality eliminating method includes：It looks into
Ask currently available calculate node；Target computing nodes are determined from the calculate node inquired；Obtain target computing nodes
Storage resource can be used；According to the memory block dividing mode of storage resource in the calculate node of virtual machine place source, from available storage money
Corresponding memory block is marked off in source；The data where virtual machine in the calculate node of source in each memory block are migrated to mesh respectively
Mark the respective storage areas in calculate node.
Wherein, available calculate node is calculate node of the load capacity within preset threshold range.For example, load capacity is
Calculate node within 50% is available calculate node.
In one embodiment, control node can be obtained currently available by inquiring the load information of each calculate node
Calculate node, then by node resource detection function come the matching between detection source calculate node and available calculate node
Degree will carry the available calculate node of virtual machine operation to be migrated as target computing nodes.
In one embodiment, what control node can obtain target computing nodes by node resource detection function can be with
Storage resource, the memory block dividing mode according to storage resource in the calculate node of virtual machine place source, from target computing nodes
It can be with marking off corresponding memory block in storage resource.For example, it is available according to source calculate node system file where virtual machine and
The memory block that data file occupies is divided, and marks off goal systems memory block and target data memory block.Finally by controlling
Node processed performs virtual machine thermophoresis instruction, by the system file in the calculate node of source and data file migration to target meter
Goal systems memory block and target data memory block on operator node.
In the above-described embodiments, during live migration of virtual machine, can by first determine target computing nodes after, and
Corresponding memory block is marked off in target computing nodes available storage area, thermomigration process can be effectively reduced and exception occurs
Probability.
It in one embodiment, will be in each memory block in the calculate node of virtual machine place source during live migration of virtual machine
Data, the step of migrating the respective storage areas to target computing nodes respectively specifically includes：Respectively where traversal virtual machine
Memory block in the calculate node of source in each memory block；In the memory block currently traversed not there are during the data of virtual machine, then skip
The memory block currently traversed continues to traverse；In data of the memory block currently traversed there are virtual machine, then will currently traverse
Store the respective storage areas on Data Migration to target computing nodes in the block.
Wherein, the process of live migration of virtual machine is usually required the corresponding memory block of source calculate node where virtual machine
It each stores data in the block to migrate, when the virtual machine created for user is newly-built virtual machine, then the newly-built void
The data volume of memory block corresponding to plan machine is simultaneously few, and there is no storage numbers of users in many memory blocks in corresponding memory block
According to.
In one embodiment, control node can pass through each memory block in source calculate node where traversing virtual machine respectively
Memory block when the data of virtual machine being not present in the memory block currently traversed, does not then migrate storage data in the block
Processing, skips the memory block.
In one embodiment, control node can be in the data of storage virtual machine in traversing current memory block, then
It needs the respective storage areas on current storage Data Migration to target computing nodes in the block.
In the above-described embodiments, it is traversed by the memory block to each memory block in the calculate node of virtual machine place source,
Can to avoid will without store user data memory block also do migration process cause virtual machine unavailable time extend the problem of.
In a specific embodiment, as shown in figure 5, live migration of virtual machine abnormality eliminating method specifically includes following step
Suddenly：
S501 obtains the thermophoresis progress status information generated in the thermomigration process of virtual machine.
S502 judges whether thermomigration process is abnormal according to thermophoresis progress status information.
S503 sends the first backup instruction to the source calculate node where virtual machine；First backup instruction is used to indicate source
Calculate node backup virtual machine source calculate node file, and by file copy to virtual machine migrate to target calculate section
Point.
S504, to virtual machine migrate to target computing nodes send the second backup instruction；Second backup instruction is used for
Indicate file of the target computing nodes backup virtual machine in target computing nodes.
The operating status of virtual machine when the thermomigration process of virtual machine is abnormal, is then revised as activation shape by S505
State.
S506 initiates virtual machine instruction of restarting；Virtual machine instruction of restarting is used to restart the virtual machine being active.
S507, when virtual machine is restarted unsuccessfully and the operating status of virtual machine is abnormality, then according to corresponding different
After Chang Zhi is repaired, virtual machine instruction of restarting is re-initiated.
S508 when virtual machine restarts success, then continues the thermomigration process of virtual machine.
S509, after virtual machine instruction of restarting is re-initiated, after virtual machine instruction of restarting is re-initiated, when virtual machine weight
When opening the operating status of failure and virtual machine as abnormality, then return and the operating status of virtual machine is revised as state of activation
The step of, until virtual machine restarts success.
Above-mentioned live migration of virtual machine abnormality eliminating method, then will be virtual when the thermomigration process of virtual machine is abnormal
The operating status of machine is revised as state of activation, can send instruction of restarting to virtual machine at this time, will be active
Virtual machine is restarted；Restart unsuccessfully in virtual machine, and when virtual machine reports an error, then it can be according to corresponding abnormal log
After being repaired to virtual machine, virtual machine instruction of restarting is initiated again, and virtual machine can restart success at this time, demonstrate virtual machine
The correctness of state, it is possible to continue thermomigration process, reduce virtual machine unavailable time, can rapidly restore database
It is abnormal.
Fig. 5 is the flow diagram of live migration of virtual machine abnormality eliminating method in one embodiment.Though it should be understood that
Each step in the flow chart of right Fig. 5 is shown successively according to the instruction of arrow, but these steps are not necessarily according to arrow
The sequence of head instruction performs successively.Unless expressly stating otherwise herein, there is no stringent sequence limits for the execution of these steps
System, these steps can perform in other order.Moreover, at least part step in Fig. 5 can include multiple sub-steps
Either these sub-steps of multiple stages or stage are not necessarily to perform completion in synchronization, but can be different
Moment performs, and the execution in these sub-steps or stage sequence is also not necessarily to be carried out successively, but can with other steps or
At least part in the sub-step of the other steps of person either stage performs in turn or alternately.
As shown in fig. 6, in one embodiment, show a kind of live migration of virtual machine exception handling device 600.With reference to figure
6, which includes modified module 602, restarts module 604 and thermophoresis module 606.
Modified module 602, for when the thermomigration process of virtual machine is abnormal, then repairing the operating status of virtual machine
It is changed to state of activation.
Module 604 is restarted, for initiating virtual machine instruction of restarting；Virtual machine instruction of restarting is used for what will be active
Virtual machine is restarted；Restart module to be additionally operable to when virtual machine is restarted unsuccessfully and the operating status of virtual machine is abnormality, then exist
After being repaired according to corresponding abnormal log, virtual machine instruction of restarting is re-initiated.
Thermophoresis module 606 restarts success for working as virtual machine, then continues the thermomigration process of virtual machine.
Above-mentioned live migration of virtual machine exception handling device, then will be virtual when the thermomigration process of virtual machine is abnormal
The operating status of machine is revised as state of activation, can send instruction of restarting to virtual machine at this time, will be active
Virtual machine is restarted；Restart unsuccessfully in virtual machine, and when virtual machine reports an error, then it can be according to corresponding abnormal log
After being repaired to virtual machine, virtual machine instruction of restarting is initiated again, and virtual machine can restart success at this time, demonstrate virtual machine
The correctness of state, it is possible to continue thermomigration process, reduce virtual machine unavailable time, can rapidly restore database
It is abnormal.
As shown in fig. 7, in one embodiment, live migration of virtual machine exception handling device 600 further includes：Acquisition module
702 and judgment module 704.
Acquisition module 702, for obtaining the thermophoresis progress status information generated in the thermomigration process of virtual machine.
Judgment module 704, for judging whether thermomigration process is abnormal according to thermophoresis progress status information.
In the present embodiment, control node can be sentenced according to the thermophoresis progress status information during live migration of virtual machine
Whether disconnected thermomigration process is abnormal, can be after the operating status of virtual machine is changed after judging to be abnormal
Restart, obtain corresponding abnormal log, the status information in database is changed according to abnormal log, is continued after successfully restarting
Thermomigration process.
In one embodiment, the module 604 of restarting in live migration of virtual machine exception handling device 600 is additionally operable to again
Initiate virtual machine instruction of restarting after, when virtual machine restart unsuccessfully and the operating status of virtual machine be abnormality when, then return by
The step of operating status of virtual machine is revised as state of activation, until virtual machine restarts success.
In the present embodiment, control node can be realized by constantly changing the operating status of virtual machine in database
Virtual machine is restarted, the reason of abnormal is positioned according to the abnormal log after restarting, is repaired, until virtual machine can
Restart success.
As shown in figure 8, in one embodiment, live migration of virtual machine exception handling device 600 further includes the first backup mould
Block 802, copy 804 and second backup module 806 of module.
First backup module 802, for sending the first backup instruction to the source calculate node where virtual machine；First backup
Instruction is used to indicate file of the source calculate node backup virtual machine in source calculate node.
Copy module 804, for by file copy to virtual machine migrate to target computing nodes.
Second backup module 806, for virtual machine migrate to target computing nodes send the second backup instruction；The
Two backup instructions are used to indicate file of the target computing nodes backup virtual machine in target computing nodes.
In the present embodiment, by going to repair in database again after file of the virtual machine in calculate node is backed up
Change the operating status of virtual machine, can be further ensured that virtual-machine data is not lost.
As shown in figure 9, in one embodiment, the thermophoresis module 606 of live migration of virtual machine exception handling device 600 has
Body includes enquiry module 902, target computing nodes determining module 904, memory block division module 906 and transferring module 908.
Enquiry module 902, for inquiring currently available calculate node.
Target computing nodes determining module 904, for determining target computing nodes from the calculate node inquired.
Memory block division module 906, for obtaining the available storage resource of target computing nodes；According to source where virtual machine
The memory block dividing mode of storage resource, marks off corresponding memory block from available storage resource in calculate node.
Transferring module 908, for migrating the data where virtual machine in the calculate node of source in each memory block to mesh respectively
Mark the respective storage areas in calculate node.
In the present embodiment, during live migration of virtual machine, can by first determine target computing nodes after, and
Corresponding memory block is marked off in target computing nodes available storage area, thermomigration process can be effectively reduced and the several of exception occurs
Rate.
In one embodiment, transferring module 908 is additionally operable to respectively store in source calculate node where traversing virtual machine respectively
Memory block in area；The memory block currently traversed not there are during the data of virtual machine, then skip the memory block that currently traverses after
Continuous traversal；In data of the memory block currently traversed there are virtual machine, then by the storage currently traversed Data Migration in the block
Respective storage areas on to target computing nodes.
In the present embodiment, it is traversed by the memory block to each memory block in the calculate node of virtual machine place source, it can
To avoid will without store user data memory block also do migration process cause virtual machine unavailable time extend the problem of.
Figure 10 shows the internal structure chart of one embodiment Computer equipment.The computer equipment can be specifically figure
Control node 110 in 1.As shown in Figure 10, the computer equipment include the processor connected by system bus, memory,
Network interface.Wherein, the processor of control node 110 supports entire control node 110 for providing calculating and control ability
Operation.The memory of the computer equipment includes non-volatile memory medium and built-in storage.The non-volatile memory medium is deposited
Contain operating system, computer program.The built-in storage is operating system and computer program in non-volatile memory medium
Operation provide environment.The network interface of the computer equipment is used to lead to source calculate node and target computing nodes progress network
Letter.When the computer program is executed by processor, it may be such that processor realizes that is provided in embodiment is suitable for control node 110
Live migration of virtual machine abnormality eliminating method.
It will be understood by those skilled in the art that the structure shown in Figure 10, only with the relevant part of application scheme
The block diagram of structure, does not form the restriction for the computer equipment being applied thereon to application scheme, and specific computer is set
It is standby to include either combining certain components than components more or fewer shown in figure or be arranged with different components.
In one embodiment, the live migration of virtual machine exception handling device that the application provides can be implemented as a kind of calculating
The form of machine program, computer program can be run on computer equipment as shown in Figure 10.In the memory of computer equipment
The each program module for forming the live migration of virtual machine exception handling device can be stored, for example, modified module shown in fig. 6 602,
Restart module 604 and thermophoresis module 606.The computer program that each program module is formed causes processor to perform this specification
Described in each embodiment of the application live migration of virtual machine abnormality eliminating method in step.
For example, computer equipment shown in Fig. 10 can pass through live migration of virtual machine exception handling device as shown in Figure 6
In modified module 602 perform when the thermomigration process of virtual machine is abnormal, then the operating status of virtual machine is revised as
The step of state of activation.Computer equipment can perform initiation virtual machine instruction of restarting by restarting module 604；Virtual machine restarts finger
It enables restarting the virtual machine being active；Restart module to be additionally operable to restart unsuccessfully and the fortune of virtual machine when virtual machine
When row state is abnormality, then after being repaired according to corresponding abnormal log, virtual machine instruction of restarting is re-initiated
Step.Computer equipment can restart success by the execution of thermophoresis module 606 when virtual machine, then continue the thermophoresis of virtual machine
The step of journey.
The embodiment of the present invention proposes a kind of computer equipment, which includes a series of be stored on memory
Computer program, when the computer program is executed by processor, can realize various embodiments of the present invention propose declaration form match
Send method for allocating tasks.In some embodiments, the specific operation realized based on the computer program each section.
In one embodiment, computer equipment includes memory, processor and storage on a memory and can handle
The computer program run on device, processor realize following steps when performing computer program：When the thermomigration process of virtual machine
When being abnormal, then the operating status of virtual machine is revised as state of activation；Initiate virtual machine instruction of restarting；Virtual machine restarts finger
It enables restarting the virtual machine being active；When virtual machine is restarted unsuccessfully and the operating status of virtual machine is abnormal shape
During state, then after being repaired according to corresponding abnormal log, virtual machine instruction of restarting is re-initiated；When virtual machine is restarted into
Work(then continues the thermomigration process of virtual machine.
In one embodiment, computer program causes processor also to perform following steps：The heat obtained in virtual machine is moved
Move the thermophoresis progress status information generated in the process；Judge whether thermomigration process occurs according to thermophoresis progress status information
It is abnormal.
In one embodiment, computer program causes processor also to perform following steps：Re-initiating virtual machine weight
After opening instruction, when virtual machine is restarted unsuccessfully and the operating status of virtual machine is abnormality, then return the operation of virtual machine
The step of status modifier is state of activation, until virtual machine restarts success.
In one embodiment, computer program causes processor to be revised as activating by the operating status of virtual machine in execution
Before the step of state, following steps are also performed：The first backup instruction is sent to the source calculate node where virtual machine；First is standby
Part instruction is used to indicate file of the source calculate node backup virtual machine in source calculate node, and file copy to virtual machine is moved
The target computing nodes moved to；To virtual machine migrate to target computing nodes send the second backup instruction；Second backup refers to
Order is used to indicate file of the target computing nodes backup virtual machine in target computing nodes.
In one embodiment, the thermomigration process of virtual machine includes：Inquire currently available calculate node；From inquiring
Calculate node in determine target computing nodes；Obtain the available storage resource of target computing nodes；According to source where virtual machine
The memory block dividing mode of storage resource, marks off corresponding memory block from available storage resource in calculate node；It will be virtual
Data where machine in the calculate node of source in each memory block, migrate the respective storage areas to target computing nodes respectively.
In one embodiment, computer program causes processor performing and will respectively deposited in the calculate node of source where virtual machine
Data in storage area specifically also perform when migrating the step of the respective storage areas to target computing nodes respectively：It traverses respectively
Memory block where virtual machine in the calculate node of source in each memory block；In the memory block currently traversed, there are the data of virtual machine
When, then it skips the memory block currently traversed and continues to traverse；In data of the memory block currently traversed there are virtual machine, then ought
Respective storage areas on the storage Data Migration to target computing nodes in the block of preceding traversal.
Above computer equipment when the thermomigration process of virtual machine is abnormal, then repaiies the operating status of virtual machine
State of activation is changed to, instruction of restarting can be sent to virtual machine at this time, the virtual machine being active is restarted；
Restart unsuccessfully in virtual machine, and when virtual machine reports an error, then virtual machine can be repaiied according to corresponding abnormal log
After multiple, virtual machine instruction of restarting is initiated again, virtual machine can restart success at this time, demonstrate the correctness of virtual machine state,
It can continue thermomigration process, reduce virtual machine unavailable time, can rapidly restore database exception.
One or more is stored with the storage medium of computer program, when computer program is executed by processor so that place
It manages device and performs following steps：When the thermomigration process of virtual machine is abnormal, then the operating status of virtual machine is revised as swashing
State living；Initiate virtual machine instruction of restarting；Virtual machine instruction of restarting is used to restart the virtual machine being active；When virtual
When machine is restarted unsuccessfully and the operating status of virtual machine is abnormality, then after being repaired according to corresponding abnormal log, weight
It is new to initiate virtual machine instruction of restarting；When virtual machine restarts success, then continue the thermomigration process of virtual machine.
In one embodiment, computer program causes processor also to perform following steps：The heat obtained in virtual machine is moved
Move the thermophoresis progress status information generated in the process；Judge whether thermomigration process occurs according to thermophoresis progress status information
It is abnormal.
In one embodiment, computer program causes processor also to perform following steps：Re-initiating virtual machine weight
After opening instruction, when virtual machine is restarted unsuccessfully and the operating status of virtual machine is abnormality, then return the operation of virtual machine
The step of status modifier is state of activation, until virtual machine restarts success.
In one embodiment, computer program causes processor to be revised as activating by the operating status of virtual machine in execution
Before the step of state, following steps are also performed：The first backup instruction is sent to the source calculate node where virtual machine；First is standby
Part instruction is used to indicate file of the source calculate node backup virtual machine in source calculate node, and file copy to virtual machine is moved
The target computing nodes moved to；To virtual machine migrate to target computing nodes send the second backup instruction；Second backup refers to
Order is used to indicate file of the target computing nodes backup virtual machine in target computing nodes.
In one embodiment, the thermomigration process of virtual machine includes：Inquire currently available calculate node；From inquiring
Calculate node in determine target computing nodes；Obtain the available storage resource of target computing nodes；According to source where virtual machine
The memory block dividing mode of storage resource, marks off corresponding memory block from available storage resource in calculate node；It will be virtual
Data where machine in the calculate node of source in each memory block, migrate the respective storage areas to target computing nodes respectively.
In one embodiment, computer program causes processor performing and will respectively deposited in the calculate node of source where virtual machine
Data in storage area specifically also perform when migrating the step of the respective storage areas to target computing nodes respectively：It traverses respectively
Memory block where virtual machine in the calculate node of source in each memory block；In the memory block currently traversed, there are the data of virtual machine
When, then it skips the memory block currently traversed and continues to traverse；In data of the memory block currently traversed there are virtual machine, then ought
Respective storage areas on the storage Data Migration to target computing nodes in the block of preceding traversal.
Above computer storage medium, when the thermomigration process of virtual machine is abnormal, then by the operation shape of virtual machine
State is revised as state of activation, can send instruction of restarting to virtual machine at this time, the virtual machine being active is carried out
Restart；Restart unsuccessfully in virtual machine, and when virtual machine reports an error, then can according to corresponding abnormal log to virtual machine into
After row is repaired, virtual machine instruction of restarting is initiated again, and virtual machine can restart success at this time, demonstrate the correct of virtual machine state
Property, it is possible to continue thermomigration process, reduce virtual machine unavailable time, can rapidly restore database exception.
One of ordinary skill in the art will appreciate that realizing all or part of flow in above-described embodiment method, being can be with
Relevant hardware is instructed to complete by computer program, which can be stored in a computer-readable storage and be situated between
In matter, the program is when being executed, it may include such as the flow of the embodiment of above-mentioned each method.Wherein, aforementioned storage medium can be
The non-volatile memory mediums such as magnetic disc, CD, read-only memory (Read-Only Memory, ROM).
Each technical characteristic of above example can be combined arbitrarily, to make description succinct, not to above-described embodiment
In each technical characteristic it is all possible combination be all described, as long as however, the combination of these technical characteristics be not present lance
Shield is all considered to be the range of this specification record.
Above example only expresses the several embodiments of the present invention, and description is more specific and detailed, but can not
Therefore it is construed as limiting the scope of the patent.It should be pointed out that for those of ordinary skill in the art,
Under the premise of not departing from present inventive concept, various modifications and improvements can be made, these belong to protection scope of the present invention.
Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of live migration of virtual machine abnormality eliminating method, including：
When the thermomigration process of virtual machine is abnormal, then
The operating status of the virtual machine is revised as state of activation；
Initiate virtual machine instruction of restarting；The virtual machine instruction of restarting is used to restart the virtual machine being active；
When the virtual machine is restarted unsuccessfully and the operating status of the virtual machine is abnormality, then according to corresponding different
After Chang Zhi is repaired, the virtual machine instruction of restarting is re-initiated；
When the virtual machine restarts success, then continue the thermomigration process of the virtual machine.
2. according to the method described in claim 1, it is characterized in that, the method further includes：
Obtain the thermophoresis progress status information generated in the thermomigration process of virtual machine；
Judge whether the thermomigration process is abnormal according to the thermophoresis progress status information.
3. according to the method described in claim 1, it is characterized in that, the method further includes：
After the virtual machine instruction of restarting is re-initiated, when the virtual machine is restarted unsuccessfully and the operation shape of the virtual machine
When state is abnormality, then the step of operating status by the virtual machine is revised as state of activation is returned to, until described
Virtual machine restarts success.
4. according to the method described in claim 1, it is characterized in that, the operating status by the virtual machine is revised as activating
Before state, the method further includes：
The first backup instruction is sent to the source calculate node where the virtual machine；First backup instruction is used to indicate described
Source calculate node backs up file of the virtual machine in the source calculate node, and by the file copy to the virtual machine institute
Migrate to target computing nodes；
To the virtual machine migrate to target computing nodes send the second backup instruction；Second backup instruction is used to refer to
Show that the target computing nodes back up file of the virtual machine in the target computing nodes.
5. according to the method described in claim 1, it is characterized in that, the thermomigration process of the virtual machine includes：
Inquire currently available calculate node；
Target computing nodes are determined from the calculate node inquired；
Obtain the available storage resource of the target computing nodes；
According to the memory block dividing mode of storage resource in the calculate node of virtual machine place source, storage resource is used from described
In mark off corresponding memory block；
The data where the virtual machine in the calculate node of source in each memory block are migrated to the target computing nodes respectively
Respective storage areas.
6. according to the method described in claim 5, it is characterized in that, described will respectively deposit where the virtual machine in the calculate node of source
Data in storage area are migrated respectively to the respective storage areas on the target computing nodes, including：
Memory block where traversing the virtual machine respectively in the calculate node of source in each memory block；
In the memory block currently traversed, there are during the data of the virtual machine, then skip the memory block that currently traverses to continue time
It goes through；
In data of the memory block currently traversed there are the virtual machine, then by the storage currently traversed Data Migration in the block
Respective storage areas on to the target computing nodes.
7. a kind of live migration of virtual machine exception handling device, which is characterized in that described device includes：
Modified module, for when the thermomigration process of virtual machine is abnormal, then changing the operating status of the virtual machine
For state of activation；
Module is restarted, for initiating virtual machine instruction of restarting；The virtual machine instruction of restarting is used for the institute that will be active
Virtual machine is stated to restart；When the virtual machine restart unsuccessfully and the operating status of the virtual machine be abnormality when, then according to
After corresponding abnormal log is repaired, the virtual machine instruction of restarting is re-initiated；
Thermophoresis module restarts success for working as the virtual machine, then continues the thermomigration process of the virtual machine.
8. device according to claim 7, which is characterized in that it is described restart module be additionally operable to re-initiate it is described virtual
After machine instruction of restarting, when the virtual machine is restarted unsuccessfully and the operating status of the virtual machine is abnormality, then institute is returned to
The step of operating status of the virtual machine is revised as state of activation is stated, until the virtual machine restarts success.
9. a kind of computer equipment, the computer equipment includes memory, processor and is stored on the memory and can
The computer program run on the processor, the processor realize claim 1 to 6 when performing the computer program
Any one of the method the step of.
10. one or more is stored with the storage medium of computer program, when the computer program is executed by processor so that
The processor perform claim requires the step of any one of 1 to 6 the method.
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