CN107171870A - A kind of two-node cluster hot backup method and device - Google Patents
A kind of two-node cluster hot backup method and device Download PDFInfo
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- CN107171870A CN107171870A CN201710583288.3A CN201710583288A CN107171870A CN 107171870 A CN107171870 A CN 107171870A CN 201710583288 A CN201710583288 A CN 201710583288A CN 107171870 A CN107171870 A CN 107171870A
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- virtual machine
- heartbeat detection
- detection information
- standby
- host
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0654—Management of faults, events, alarms or notifications using network fault recovery
- H04L41/0663—Performing the actions predefined by failover planning, e.g. switching to standby network elements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/10—Active monitoring, e.g. heartbeat, ping or trace-route
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Cardiology (AREA)
- General Health & Medical Sciences (AREA)
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Abstract
The present invention provides a kind of two-node cluster hot backup method and device, and the above method comprises the following steps：If standby virtual machine is obtained from host virtual machine less than heartbeat detection information；Or, standby virtual machine is got from host virtual machine after heartbeat detection information, and the heartbeat detection information is parsed and analysis result is service operation abnormal state, then the standby virtual machine runs the business.In above-mentioned technical proposal, when host virtual machine occurs abnormal, by the operation of standby virtual machine adapter business, the not interrupt processing of client traffic is realized, Consumer's Experience is greatly strengthen.
Description
Technical field
The present invention relates to the communications field, more particularly to a kind of two-node cluster hot backup method and device.
Background technology
Virtualization is the foundation stone of cloud computing, and virtualization is ubiquitous, and virtualization technology can make full use of the hardware of costliness
Resource and the dependence that can also isolate between hardware architecture and software systems, improve the security performance of system, carry
The utilization rate of high computing resource.
As virtualization technology develops, virtual machine substitution entity physical machine turn into the running environment of enterprise's miscellaneous service into
For a trend, virtualization can integrate the physical resource of bottom, need to carry out in the form of virtual machine according to client
Resource allocation, the deployment that client is applied in virtual machine.
But when physical host goes wrong or surprisingly delayed machine, can interrupt service between age at failure is repaired, have influence on
The business of client, may cause the pause of business and the loss of data to client.
Therefore, above-mentioned technical problem is solved in the urgent need to a kind of two-node cluster hot backup scheme.
The content of the invention
The present invention provides a kind of two-node cluster hot backup method and device, to solve the above problems.
The present invention provides a kind of two-node cluster hot backup method, comprises the following steps：If standby virtual machine is obtained from host virtual machine
Less than heartbeat detection information；Or, standby virtual machine is got from host virtual machine after heartbeat detection information, to the heartbeat detection
Information is parsed and analysis result is service operation abnormal state, then the standby virtual machine runs the business.
The present invention provides a kind of two-node cluster hot backup device, including processor, is adapted for carrying out each instruction；Storage device, is suitable to
The a plurality of instruction of storage, the instruction is suitable to be loaded and performed by the processor；
If standby virtual machine is obtained from host virtual machine less than heartbeat detection information；Or, standby virtual machine is from host virtual machine
Get after heartbeat detection information, the heartbeat detection information parsed and analysis result is service operation abnormal state,
Then the standby virtual machine runs the business.
The embodiment of the present invention provides following technical scheme：If standby virtual machine is obtained from host virtual machine less than heartbeat detection letter
Breath；Or, standby virtual machine is got from host virtual machine after heartbeat detection information, the heartbeat detection information is parsed and
Analysis result is service operation abnormal state, then the standby virtual machine runs the business.
In above-mentioned technical proposal, when host virtual machine occurs abnormal, by the operation of standby virtual machine adapter business, visitor is realized
The not interrupt processing of family business, greatly strengthen Consumer's Experience.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this hair
Bright schematic description and description is used to explain the present invention, does not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 show the two-node cluster hot backup method flow diagram of the embodiment of the present invention 1；
Fig. 2 show the two-node cluster hot backup structure drawing of device of the embodiment of the present invention 2.
Embodiment
Describe the present invention in detail below with reference to accompanying drawing and in conjunction with the embodiments.It should be noted that not conflicting
In the case of, the feature in embodiment and embodiment in the application can be mutually combined.
The technical characterstic of the embodiment of the present invention is：
Two virtual machines equally configured are opened on two different servers respectively, one is host virtual machine, another
Individual is standby virtual machine, and disposes identical Client application in active and standby virtual machine, and both links, a link are added to virtual machine
For the heartbeat of active and standby virtual machine, a link is used for the data syn-chronization of active and standby virtual machine, and the two links are tied to respectively
On the different network interface card of server, in order to avoid interfered between link.
Host virtual machine constantly sends heartbeat detection information by heartbeat link using web socket to standby virtual machine, standby
Virtual function normally receives the heartbeat detection information that host virtual machine is sent, and represents that host virtual machine is normally being run, main virtual
The heartbeat detection information that machine is sent to standby virtual machine includes service operation state of the client in deploying virtual machine, when standby virtual machine
Read the heartbeat detection information sent less than host virtual machine or business is transported in the heartbeat detection information that parsing host virtual machine is sent
During row abnormal state, server where standby virtual machine thinks host virtual machine or host virtual machine breaks down, now will for virtual machine
Start the business of service take-over host virtual machine.
Special a disk or subregion are left in active and standby virtual machine is used for the synchronization of data, in host virtual machine running
The application data of middle client such as database data carries out real-time synchronization by data link, it is ensured that when active and standby virtual machine switches
The uniformity of data, active and standby virtual-machine data synchronization drbd technologies realize the guest operation in host virtual machine based on data link
Application data, can be synchronized in real time in standby virtual machine.And because network failure causes standby virtual machine to normally receive
During host virtual machine information, the normal adapter host virtual machine business of standby virtual machine, if active and standby virtual machine goes out when network recovery is normal
Existing data are inconsistent, the service that standby virtual machine is suspended operation, and abandon the data of oneself, and the data of re-synchronization host virtual machine are arrived
Locally, it is ensured that Client application service only runs and ensured the uniformity of data on one server.
The concentration of such scheme is summarised as：
Ensure the continuity that Client application is serviced by heartbeat detection mechanism and service administrative mechanism and drbd technologies.
Host virtual machine constantly sends heartbeat detection information by web socket to standby virtual machine, and standby virtual machine passes through the master that receives
The heartbeat detection information that virtual machine is sent judges the running status of host virtual machine running status and Client application service, and passes through
Parse the heartbeat detection information that receives to determine the action to be performed, active and standby virtual machine is realized using the drbd technologies increased income
The real-time synchronization of data, is consistent come the data that both ensure in active-standby switch.
Key point is：
If standby virtual machine is obtained from host virtual machine less than heartbeat detection information；Or, standby virtual machine is from host virtual machine
Get after heartbeat detection information, the heartbeat detection information parsed and analysis result is service operation abnormal state,
Then the standby virtual machine runs the business.
Fig. 1 show the two-node cluster hot backup method flow diagram of the embodiment of the present invention 1, comprises the following steps：
Step 101：Host virtual machine, standby virtual machine is respectively created on two servers in advance；
Virtualization layer is disposed on two-server based on the libvirt softwares and qemu softwares increased income；According to described
Host virtual machine, standby virtual machine is respectively created in the instrument that libvirt softwares are carried on two servers.
Preferably, it is respectively created in advance on two servers after host virtual machine, standby virtual machine, in addition to：Described
Business in host virtual machine, the standby virtual machine needed for deployment client.
After host virtual machine, standby virtual machine preferably, is respectively created on two servers in advance, in addition to：In master
Deployment distributed block device replication drbd, heartbeat detection script, service management script in virtual machine, standby virtual machine.
It is specifically described below：
The libvirt softwares and qemu softwares increased income, qemu software moulds are installed on two-server based on Linux system
Various virtual units are drawn up, libvirt softwares are used for specification needed for creating and the virtual machine of configuration based on qemu softwares.
It is respectively created on two-server in host virtual machine, standby virtual machine, and reserved host virtual machine or standby virtual machine
One disk is all based on the disk and disposed as drbd data syn-chronization disks, the data of wherein client traffic application.
Client application data are deployed on special disk, and the real-time same of Client application data disks is realized using drbd technologies
Step, ensures the uniformity of data in standby virtual machine adapter host virtual machine.
Data link and heartbeat link in host virtual machine or standby virtual machine is tied to the different nets on server respectively
On card.
Further, after host virtual machine, standby virtual machine be set on two servers respectively in advance, in addition to：
Web socket client is created in the host virtual machine, web socket clothes are created in the standby virtual machine
Business end；
The host virtual machine sends heartbeat to the web socket service end by the web socket client and examined
Measurement information.
Specifically：
Web socket client is created in host virtual machine, web socket service end is created in standby virtual machine, it is main
Virtual machine sends heartbeat detection letter to the web socket service end in real time or periodically by web socket client
Breath.
Further,
The standby virtual machine is obtained from the host virtual machine in real time or periodically by the web socket service end
Heartbeat detection information.
For example：Standby virtual machine received and parsed through the heartbeat detection information that host virtual machine is sent every 1 second, if when default
The heartbeat detection information that host virtual machine is sent is not received by section, then thinks that host virtual machine breaks down for virtual machine, at once
Automatic start Client application is serviced, and runs the business of host virtual machine；In addition, standby virtual machine gets heartbeat inspection from host virtual machine
After measurement information, the heartbeat detection information is parsed and analysis result is service operation abnormal state, then it is described standby virtual
Machine runs the business.
Step 102：If standby virtual machine is obtained from host virtual machine less than heartbeat detection information；Or, standby virtual machine is from master
Got in virtual machine after heartbeat detection information, the heartbeat detection information is parsed and analysis result is service operation shape
State is abnormal, then the standby virtual machine runs the business；
Further, the situation that standby virtual machine is obtained from host virtual machine less than heartbeat detection information includes：
Standby virtual machine is obtained less than heartbeat detection information in preset period of time from host virtual machine.
If in addition, standby virtual machine is obtained from host virtual machine less than heartbeat detection information；Or, standby virtual machine is virtual from master
Got in machine after heartbeat detection information, the heartbeat detection information is parsed and analysis result is that service operation state is different
Often, then while the standby virtual machine runs the business, in addition to：Log recording is carried out to said process.
The purpose of progress log recording is easy for operation maintenance personnel and searched problem.
Step 103：If the standby virtual machine gets heartbeat detection information again from the host virtual machine, and to described
Heartbeat detection information is parsed and analysis result is that service operation state is normal, then business described in the standby virtual machine termination
Operation.
In the case where host virtual machine running status is good, because network failure causes standby virtual machine to take over business,
Now inconsistent situation occurs in data in active and standby virtual-machine data disk, at this moment once again listens for host virtual machine depositing in standby virtual machine
When, stop the business of oneself adapter, and abandon the data of oneself, the data of re-synchronization host virtual machine.
Fig. 2 show the two-node cluster hot backup structure drawing of device of the embodiment of the present invention 2, including processor, is adapted for carrying out each finger
Order；Storage device, suitable for storing a plurality of instruction, the instruction is suitable to be loaded and performed by the processor；
If standby virtual machine is obtained from host virtual machine less than heartbeat detection information；Or, standby virtual machine is from host virtual machine
Get after heartbeat detection information, the heartbeat detection information parsed and analysis result is service operation abnormal state,
Then the standby virtual machine runs the business.
Further, host virtual machine, standby virtual machine are set respectively on two servers in advance.
Further, web socket client is created in the host virtual machine, net is created in the standby virtual machine
Network sockets services end；
The host virtual machine sends heartbeat to the web socket service end by the web socket client and examined
Measurement information.
Further, the standby virtual machine by the web socket service end in real time or periodically from host virtual machine
Obtain heartbeat detection information.
The embodiment of the present invention provides following technical scheme：If standby virtual machine is obtained from host virtual machine less than heartbeat detection letter
Breath；Or, standby virtual machine is got from host virtual machine after heartbeat detection information, the heartbeat detection information is parsed and
Analysis result is service operation abnormal state, then the standby virtual machine runs the business.
In above-mentioned technical proposal, when host virtual machine occurs abnormal, by the operation of standby virtual machine adapter business, visitor is realized
The not interrupt processing of family business, greatly strengthen Consumer's Experience.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
1. a kind of two-node cluster hot backup method, it is characterised in that comprise the following steps：
If standby virtual machine is obtained from host virtual machine less than heartbeat detection information；Or, standby virtual machine is obtained from host virtual machine
To after heartbeat detection information, the heartbeat detection information is parsed and analysis result is service operation abnormal state, then institute
State standby virtual machine and run the business.
2. according to the method described in claim 1, it is characterised in that be respectively created in advance on two servers host virtual machine,
Standby virtual machine.
3. method according to claim 2, it is characterised in that web socket client is created in the host virtual machine
End, web socket service end is created in the standby virtual machine；
The host virtual machine sends heartbeat detection by the web socket client to the web socket service end to be believed
Breath.
4. method according to claim 3, it is characterised in that the standby virtual machine passes through the web socket service end
Heartbeat detection information is obtained from the host virtual machine in real time or periodically.
5. according to the method described in claim 1, it is characterised in that standby virtual machine is obtained less than heartbeat detection from host virtual machine
The situation of information includes：
Standby virtual machine is obtained less than heartbeat detection information in preset period of time from host virtual machine.
6. according to the method described in claim 1, it is characterised in that if the standby virtual machine is obtained again from the host virtual machine
Heartbeat detection information is got, and the heartbeat detection information is parsed and analysis result is that service operation state is normal, then
The operation of business described in the standby virtual machine termination.
7. a kind of two-node cluster hot backup device, it is characterised in that including processor, is adapted for carrying out each instruction；Storage device, suitable for depositing
The a plurality of instruction of storage, the instruction is suitable to be loaded and performed by the processor；
If standby virtual machine is obtained from host virtual machine less than heartbeat detection information；Or, standby virtual machine is obtained from host virtual machine
To after heartbeat detection information, the heartbeat detection information is parsed and analysis result is service operation abnormal state, then institute
State standby virtual machine and run the business.
8. device according to claim 7, it is characterised in that be respectively created in advance on two servers host virtual machine,
Standby virtual machine.
9. device according to claim 8, it is characterised in that web socket client is created in the host virtual machine
End, web socket service end is created in the standby virtual machine；
The host virtual machine sends heartbeat detection by the web socket client to the web socket service end to be believed
Breath.
10. device according to claim 9, it is characterised in that the standby virtual machine is serviced by the web socket
End obtains heartbeat detection information from host virtual machine in real time or periodically.
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| CN201710583288.3A CN107171870A (en) | 2017-07-17 | 2017-07-17 | A kind of two-node cluster hot backup method and device |
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| CN201710583288.3A CN107171870A (en) | 2017-07-17 | 2017-07-17 | A kind of two-node cluster hot backup method and device |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107707398A (en) * | 2017-09-29 | 2018-02-16 | 郑州云海信息技术有限公司 | The method and apparatus that physical host is managed in cloud computing system |
| CN107995319A (en) * | 2018-01-08 | 2018-05-04 | 迈普通信技术股份有限公司 | Virtual unit collocation method and the network equipment |
| CN108234239A (en) * | 2017-12-29 | 2018-06-29 | 上海优刻得信息科技有限公司 | The heartbeat detecting method and its device of virtual machine, equipment and storage medium |
| CN108880866A (en) * | 2018-05-31 | 2018-11-23 | 郑州云海信息技术有限公司 | A kind of network service system |
| CN109963170A (en) * | 2017-12-26 | 2019-07-02 | 圆刚科技股份有限公司 | Series flow system and its backup method with redundant mechanism |
| CN110661599A (en) * | 2018-06-28 | 2020-01-07 | 中兴通讯股份有限公司 | HA implementation method, device and storage medium between main node and standby node |
| WO2020103627A1 (en) * | 2018-11-21 | 2020-05-28 | 中兴通讯股份有限公司 | Service self-healing method and device based on virtual machine disaster recovery, and storage medium |
| CN111447094A (en) * | 2020-03-27 | 2020-07-24 | 深圳融安网络科技有限公司 | Master-slave switching method of dual computers, terminal equipment and computer readable storage medium |
| CN112256477A (en) * | 2020-10-09 | 2021-01-22 | 上海云轴信息科技有限公司 | Virtualization fault-tolerant method and device |
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| CN107707398B (en) * | 2017-09-29 | 2021-04-02 | 郑州云海信息技术有限公司 | Method and device for managing physical host in cloud computing system |
| CN109963170A (en) * | 2017-12-26 | 2019-07-02 | 圆刚科技股份有限公司 | Series flow system and its backup method with redundant mechanism |
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| CN110661599A (en) * | 2018-06-28 | 2020-01-07 | 中兴通讯股份有限公司 | HA implementation method, device and storage medium between main node and standby node |
| WO2020103627A1 (en) * | 2018-11-21 | 2020-05-28 | 中兴通讯股份有限公司 | Service self-healing method and device based on virtual machine disaster recovery, and storage medium |
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| CN111447094A (en) * | 2020-03-27 | 2020-07-24 | 深圳融安网络科技有限公司 | Master-slave switching method of dual computers, terminal equipment and computer readable storage medium |
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Application publication date: 20170915 |