CN106874150A - A kind of virtual machine High Availabitity disaster recovery method and its system - Google Patents

A kind of virtual machine High Availabitity disaster recovery method and its system Download PDF

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Publication number
CN106874150A
CN106874150A CN201710112542.1A CN201710112542A CN106874150A CN 106874150 A CN106874150 A CN 106874150A CN 201710112542 A CN201710112542 A CN 201710112542A CN 106874150 A CN106874150 A CN 106874150A
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CN
China
Prior art keywords
virtual machine
shadow
machine
high available
server node
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710112542.1A
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Chinese (zh)
Inventor
曾鹏
刘为峰
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Zhengzhou Yunhai Information Technology Co Ltd
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Zhengzhou Yunhai Information Technology Co Ltd
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Priority to CN201710112542.1A priority Critical patent/CN106874150A/en
Publication of CN106874150A publication Critical patent/CN106874150A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00Error detection; Error correction; Monitoring
    • G06F11/07Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/16Error detection or correction of the data by redundancy in hardware
    • G06F11/1658Data re-synchronization of a redundant component, or initial sync of replacement, additional or spare unit
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00Error detection; Error correction; Monitoring
    • G06F11/07Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/16Error detection or correction of the data by redundancy in hardware
    • G06F11/20Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
    • G06F11/202Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where processing functionality is redundant
    • G06F11/2023Failover techniques
    • G06F11/2028Failover techniques eliminating a faulty processor or activating a spare
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00Error detection; Error correction; Monitoring
    • G06F11/07Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/16Error detection or correction of the data by redundancy in hardware
    • G06F11/20Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
    • G06F11/202Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where processing functionality is redundant
    • G06F11/2041Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where processing functionality is redundant with more than one idle spare processing component
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2201/00Indexing scheme relating to error detection, to error correction, and to monitoring
    • G06F2201/805Real-time
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2201/00Indexing scheme relating to error detection, to error correction, and to monitoring
    • G06F2201/815Virtual

Abstract

The invention discloses a kind of virtual machine High Availabitity disaster recovery method and its system, for the first Shadow Virtual machine on the internal storage state in the high available virtual machine in high available virtual machine application system, including real-time synchronization primary server joint and magnetic disc i/o data to the first standby server node;First Shadow Virtual machine and high available virtual machine comparable configuration, and in an inactive state;The machine if primary server joint is delayed, the activating the first Shadow Virtual machine adapter high available virtual machine of the task is continued executing with.The present invention can avoid being delayed service disconnection and loss of data caused by machine due to primary server joint as far as possible, and the reliability of business is high, and high availability is good.

Description

A kind of virtual machine High Availabitity disaster recovery method and its system
Technical field
The present invention relates to virtual machine technique field, more particularly to a kind of virtual machine High Availabitity disaster recovery method and its system.
Background technology
One server can be changed into several mutually isolated virtual machines by server virtualization technology so that server is not Boundary physically is limited to again, so as to improve the utilization rate of resource.
High available virtual machine relies on high available virtual machine application system, and high available virtual machine application system generally comprises two Individual or more than two physical server nodes.Virtual machine High Availabitity disaster tolerance to some business not interrupting, continuity requirement compared with Occupy important function in service high.
Current virtual machine disaster recovery method is that the Shadow Virtual machine for similarly configuring is set on standby server, works as virtual machine The host node at place is delayed after machine, the internal memory and data in magnetic disk of virtual machine is sent to Shadow Virtual machine, then by Shadow Virtual Machine continues executing with business.But, because Shadow Virtual machine is the data of virtual machine just to be received after host node delays machine and continues to hold OK, thus centre normally results in the service disconnection of certain hour length, and loss of data may be caused, reliability is low, and height can It is poor with property.
Therefore, how to provide that a kind of reliability is high and virtual machine High Availabitity disaster recovery method and its system with high availability Be those skilled in the art need at present solve problem.
The content of the invention
It is an object of the invention to provide a kind of virtual machine High Availabitity disaster recovery method and its system, can avoid as far as possible due to Primary server joint is delayed service disconnection and loss of data caused by machine, and the reliability of business is high and high availability is good.
In order to solve the above technical problems, the invention provides a kind of virtual machine High Availabitity disaster recovery method, it is empty for High Availabitity Plan machine application system, including:
Internal storage state in high available virtual machine and magnetic disc i/o data in real-time synchronization primary server joint are to first standby With the first Shadow Virtual machine on server node;The first Shadow Virtual machine and the high available virtual machine comparable configuration, And in an inactive state;
The machine if primary server joint is delayed, activates the first Shadow Virtual machine and takes over appointing for the high available virtual machine Business is continued executing with.
Preferably, the primary server joint is delayed and also include after machine:
Trigger the second standby server node and create the second Shadow Virtual machine;
Internal storage state and magnetic disc i/o data in first Shadow Virtual machine described in real-time synchronization are to second Shadow Virtual Machine;
The machine if the first standby server node is delayed, activates the second Shadow Virtual machine and takes over first virtual machine Task continue executing with.
Preferably, the high available virtual machine and the first Shadow Virtual machine and the first Shadow Virtual machine and institute It is Millisecond to state the communication frequency between the second Shadow Virtual machine.
Preferably, the high available virtual machine and the first Shadow Virtual machine and the first Shadow Virtual machine and institute State and tcp transmission control protocol or RDMA remote direct datas are carried out by libvirtd C functions storehouse between the second Shadow Virtual machine Access communication.
In order to solve the above technical problems, present invention also offers a kind of virtual machine High Availabitity disaster tolerance system, for High Availabitity Virtual machine application system, including:
The high available virtual machine creation module of primary server joint is arranged at, for creating high available virtual machine;
The first Shadow Virtual machine creation module on the first standby server node is arranged at, it is empty for creating the first shadow Plan machine;
The Simultaneous Monitoring module in the primary server joint and the first standby server node is respectively arranged at, is used In the internal storage state in high available virtual machine described in real-time synchronization and magnetic disc i/o data to the first Shadow Virtual machine;It is described First Shadow Virtual machine is with the high available virtual machine comparable configuration and in an inactive state;If the primary server joint is delayed Machine, the activating the first Shadow Virtual machine adapter high available virtual machine of the task is continued executing with.
Preferably, also include:
It is arranged at the Simultaneous Monitoring module on the second standby server node;It is respectively arranged at first standby server Simultaneous Monitoring module on node and the second standby server node is used in the first Shadow Virtual machine described in real-time synchronization Internal storage state and magnetic disc i/o data to the second Shadow Virtual machine;The machine if the first standby server node is delayed, activation The task that the second Shadow Virtual machine takes over first virtual machine is continued executing with;
Simultaneous Monitoring module on the first standby server node also includes:
Trigger element, for when the primary server joint delays machine, triggering to be arranged at the first standby server section Reconstruction module on point;
The reconstruction module, mould is created for triggering the second Shadow Virtual machine being arranged on the second standby server node Block;
The second Shadow Virtual machine creation module, for creating the second Shadow Virtual machine.
The invention provides a kind of virtual machine High Availabitity disaster recovery method and its system, the High Availabitity in primary server joint During virtual machine normal work, i.e., on its internal storage state of real-time synchronization and magnetic disc i/o data to the first standby server node One Shadow Virtual machine, after master server delays machine, due to having had high available virtual machine in the first Shadow Virtual machine Data, therefore no longer need data transfer, but adapter high available virtual machine immediately by only activating the first Shadow Virtual machine Business is continued executing with.It can be seen that, the present invention can as far as possible ensure the continuity of business, it is to avoid because primary server joint is delayed Service disconnection and loss of data caused by machine, improve the reliability and high availability of virtual machine business.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below will be to institute in prior art and embodiment The accompanying drawing for needing to use is briefly described, it should be apparent that, drawings in the following description are only some implementations of the invention Example, for those of ordinary skill in the art, on the premise of not paying creative work, can also obtain according to these accompanying drawings Obtain other accompanying drawings.
A kind of flow chart of the process of virtual machine High Availabitity disaster recovery method that Fig. 1 is provided for the present invention;
The flow chart of the process of another virtual machine High Availabitity disaster recovery method that Fig. 2 is provided for the present invention;
A kind of structural representation of virtual machine High Availabitity disaster tolerance system that Fig. 3 is provided for the present invention.
Specific embodiment
Core of the invention is to provide a kind of virtual machine High Availabitity disaster recovery method and its system, can avoid as far as possible due to Primary server joint is delayed service disconnection and loss of data caused by machine, and the reliability of business is high, and high availability is good.
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is A part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
The invention provides a kind of virtual machine High Availabitity disaster recovery method, for high available virtual machine application system, referring to Fig. 1 It is shown, a kind of flow chart of the process of virtual machine High Availabitity disaster recovery method that Fig. 1 is provided for the present invention;The method includes:
Step s101:Create the high available virtual machine in primary server joint;
Step s102:Create the first Shadow Virtual machine on the first standby server node;
Certainly, can be carried out simultaneously between step s101 and step s102, the present invention does not limit its sequencing.
Step s103:Internal storage state and magnetic disc i/o number in high available virtual machine in real-time synchronization primary server joint According to the first Shadow Virtual machine on the first standby server node;First Shadow Virtual machine is matched somebody with somebody on an equal basis with high available virtual machine Put, and in an inactive state;
Step s104:The machine if primary server joint is delayed, activates the task of the first Shadow Virtual machine adapter high available virtual machine Continue executing with.
It is understood that high availability Availability=MTBF (uptime)/[MTTR (out-of-service time) +MTBF]。
Preferably, it is shown in Figure 2, another virtual machine High Availabitity disaster recovery method that Fig. 2 is provided for the present invention The flow chart of process;Primary server joint is delayed and also include after machine:
Step s105:Trigger the second standby server node and create the second Shadow Virtual machine;
Step s106:Internal storage state and magnetic disc i/o data in real-time synchronization the first Shadow Virtual machine is empty to the second shadow Plan machine;
Step s107:The machine if the first standby server node is delayed, second Shadow Virtual machine the first virtual machine of adapter of activation Task is continued executing with.
It is understood that when high available virtual machine application system includes two or more server node, you can by the Three server nodes are set to the second standby server node, standby second after the first Shadow Virtual machine adapter business The second Shadow Virtual machine is created on server node, the high availability of virtual machine is further improved;Certainly, if high available virtual machine When the server node that application system includes is more, the 3rd standby server node, the 4th active service can also be set Device node etc., the server that the specific quantity for setting standby server node can be included according to high available virtual machine application system Depending on the quantity of node and itself needs, the present invention is not especially limited to this, it is however noted that, on realizing Function is stated, each server node is required to Simultaneous Monitoring function, i.e., can be same by the data in itself virtual machine in real time In step to the Shadow Virtual machine of itself corresponding standby server node.
Preferably, high available virtual machine and the first Shadow Virtual machine and the first Shadow Virtual machine and the second shadow void Communication frequency between plan machine is Millisecond.
It is understood that in order to ensure the data syn-chronization between each virtual machine Shadow Virtual machine corresponding with itself Property, communication frequency needs between the two are sufficiently high, therefore communication frequency is preferably Millisecond, and certainly, the present invention does not limit logical Believe the concrete numerical value of frequency, whether communication frequency is set using other ranks also dependent on actual conditions.
Preferably, high available virtual machine and the first Shadow Virtual machine and the first Shadow Virtual machine and the second shadow void TCP (Transmission Control Protocol, biography transport control protocol are carried out by libvirtd C functions storehouse between plan machine View) or RDMA (Remote Direct Memory Access, remote direct data access communication).
The invention provides a kind of virtual machine High Availabitity disaster recovery method, the high available virtual machine in primary server joint is just Often during work, i.e., the first shadow on its internal storage state of real-time synchronization and magnetic disc i/o data to the first standby server node is empty Plan machine, after master server delays machine, due to the data for having had high available virtual machine in the first Shadow Virtual machine, therefore Data transfer is no longer needed, but the business of adapter high available virtual machine continues to hold immediately by only activating the first Shadow Virtual machine OK.It can be seen that, the present invention can as far as possible ensure the continuity of business, it is to avoid because primary server joint is delayed caused by machine Service disconnection and loss of data, improve the reliability and high availability of virtual machine business.
Present invention also offers a kind of virtual machine High Availabitity disaster tolerance system, for high available virtual machine application system, referring to Shown in Fig. 2, a kind of structural representation of virtual machine High Availabitity disaster tolerance system that Fig. 2 is provided for the present invention.The system includes:
The high available virtual machine creation module 11 of primary server joint is arranged at, for creating high available virtual machine;
The first Shadow Virtual machine creation module 12 on the first standby server node is arranged at, for creating the first shadow Virtual machine;
The Simultaneous Monitoring module 13 in primary server joint and the first standby server node is respectively arranged at, for real-time Internal storage state and magnetic disc i/o data in synchronous high available virtual machine are to the first Shadow Virtual machine;First Shadow Virtual machine and height Available virtual machine comparable configuration and in an inactive state;The machine if primary server joint is delayed, activation the first Shadow Virtual machine adapter The task of high available virtual machine is continued executing with.
Preferably, the system also includes:
It is arranged at the Simultaneous Monitoring module 13 on the second standby server node;It is respectively arranged at the first standby server section The internal memory shape that Simultaneous Monitoring module 13 on point and the second standby server node is used in real-time synchronization the first Shadow Virtual machine State and magnetic disc i/o data are to the second Shadow Virtual machine;The machine if the first standby server node is delayed, the second Shadow Virtual machine of activation connects The task of the virtual machine of pipe first is continued executing with;
Simultaneous Monitoring module 13 on first standby server node also includes:
Trigger element, for when primary server joint delays machine, triggering to be arranged at the weight on the first standby server node Modeling block 14;
Module 14 is rebuild, for triggering the second Shadow Virtual machine creation module being arranged on the second standby server node 15;
Second Shadow Virtual machine creation module 15, for creating the second Shadow Virtual machine.
I.e. between high available virtual machine and the first Shadow Virtual machine and the first Shadow Virtual machine and the second Shadow Virtual machine Between carry out data syn-chronization by two Simultaneous Monitoring modules 13, after primary server joint delays machine, in primary server joint Simultaneous Monitoring module 13 first Shadow Virtual machine is activated by the Simultaneous Monitoring module 13 on the first standby server node, together Reason, the first standby server node is delayed after machine, and the Simultaneous Monitoring module 13 on the first standby server node is standby by second Simultaneous Monitoring module 13 on server node activates the second Shadow Virtual machine.
The invention provides a kind of virtual machine High Availabitity disaster tolerance system, the high available virtual machine in primary server joint is just Often during work, i.e., the first shadow on its internal storage state of real-time synchronization and magnetic disc i/o data to the first standby server node is empty Plan machine, after master server delays machine, due to the data for having had high available virtual machine in the first Shadow Virtual machine, therefore Data transfer is no longer needed, but the business of adapter high available virtual machine continues to hold immediately by only activating the first Shadow Virtual machine OK.It can be seen that, the present invention can as far as possible ensure the continuity of business, it is to avoid because primary server joint is delayed caused by machine Service disconnection and loss of data, improve the reliability and high availability of virtual machine business.
It should be noted that in this manual, term " including ", "comprising" or its any other variant be intended to Nonexcludability is included, so that process, method, article or equipment including a series of key elements not only will including those Element, but also other key elements including being not expressly set out, or also include being this process, method, article or equipment Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that Also there is other identical element in process, method, article or equipment including the key element.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or uses the present invention. Various modifications to these embodiments will be apparent for those skilled in the art, as defined herein General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, the present invention The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one The scope most wide for causing.

Claims (6)

1. a kind of virtual machine High Availabitity disaster recovery method, it is characterised in that for high available virtual machine application system, including:
Internal storage state in high available virtual machine and magnetic disc i/o data in real-time synchronization primary server joint are to the first standby clothes The first Shadow Virtual machine on business device node;The first Shadow Virtual machine and the high available virtual machine comparable configuration, and place In an inactive state;
The machine if primary server joint is delayed, activate the first Shadow Virtual machine take over the task of the high available virtual machine after It is continuous to perform.
2. method according to claim 1, it is characterised in that the primary server joint is delayed and also include after machine:
Trigger the second standby server node and create the second Shadow Virtual machine;
Internal storage state and magnetic disc i/o data in first Shadow Virtual machine described in real-time synchronization are to the second Shadow Virtual machine;
The machine if the first standby server node is delayed, activates the second Shadow Virtual machine and takes over appointing for first virtual machine Business is continued executing with.
3. method according to claim 2, it is characterised in that the high available virtual machine and the first Shadow Virtual machine And the communication frequency between the first Shadow Virtual machine and the second Shadow Virtual machine is Millisecond.
4. method according to claim 3, it is characterised in that the high available virtual machine and the first Shadow Virtual machine And TCP transmission is carried out by libvirtd C functions storehouse between the first Shadow Virtual machine and the second Shadow Virtual machine Control protocol or RDMA remote direct data access communications.
5. a kind of virtual machine High Availabitity disaster tolerance system, it is characterised in that for high available virtual machine application system, including:
The high available virtual machine creation module of primary server joint is arranged at, for creating high available virtual machine;
The first Shadow Virtual machine creation module on the first standby server node is arranged at, for creating the first Shadow Virtual Machine;
The Simultaneous Monitoring module in the primary server joint and the first standby server node is respectively arranged at, for reality When internal storage state and magnetic disc i/o data synchronously in the high available virtual machine to the first Shadow Virtual machine;Described first Shadow Virtual machine is with the high available virtual machine comparable configuration and in an inactive state;The machine if primary server joint is delayed, The activating the first Shadow Virtual machine adapter high available virtual machine of the task is continued executing with.
6. system according to claim 5, it is characterised in that also include:
It is arranged at the Simultaneous Monitoring module on the second standby server node;It is respectively arranged at the first standby server node With the Simultaneous Monitoring module on the second standby server node be used for the first Shadow Virtual machine described in real-time synchronization in Deposit state and magnetic disc i/o data to the second Shadow Virtual machine;The machine if the first standby server node is delayed, activation is described The task that second Shadow Virtual machine takes over first virtual machine is continued executing with;
Simultaneous Monitoring module on the first standby server node also includes:
Trigger element, for when the primary server joint delays machine, triggering to be arranged on the first standby server node Reconstruction module;
The reconstruction module, for triggering the second Shadow Virtual machine creation module being arranged on the second standby server node;
The second Shadow Virtual machine creation module, for creating the second Shadow Virtual machine.
CN201710112542.1A 2017-02-28 2017-02-28 A kind of virtual machine High Availabitity disaster recovery method and its system Pending CN106874150A (en)

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CN201710112542.1A CN106874150A (en) 2017-02-28 2017-02-28 A kind of virtual machine High Availabitity disaster recovery method and its system

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN109358812A (en) * 2018-10-09 2019-02-19 郑州云海信息技术有限公司 Processing method, device and the relevant device of I/O Request in a kind of group system
CN115118738A (en) * 2022-08-30 2022-09-27 深圳华锐分布式技术股份有限公司 Disaster recovery backup method, device, equipment and medium based on RDMA

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CN102662751A (en) * 2012-03-30 2012-09-12 浪潮电子信息产业股份有限公司 Method for improving availability of virtual machine system based on thermomigration
CN105373451A (en) * 2015-12-07 2016-03-02 中国联合网络通信集团有限公司 Virtual machine placement method and apparatus
CN105511816A (en) * 2015-12-14 2016-04-20 浪潮(北京)电子信息产业有限公司 Method and system for migrating virtual machine disk data

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Publication number Priority date Publication date Assignee Title
CN102662751A (en) * 2012-03-30 2012-09-12 浪潮电子信息产业股份有限公司 Method for improving availability of virtual machine system based on thermomigration
CN105373451A (en) * 2015-12-07 2016-03-02 中国联合网络通信集团有限公司 Virtual machine placement method and apparatus
CN105511816A (en) * 2015-12-14 2016-04-20 浪潮(北京)电子信息产业有限公司 Method and system for migrating virtual machine disk data

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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CN109358812A (en) * 2018-10-09 2019-02-19 郑州云海信息技术有限公司 Processing method, device and the relevant device of I/O Request in a kind of group system
CN115118738A (en) * 2022-08-30 2022-09-27 深圳华锐分布式技术股份有限公司 Disaster recovery backup method, device, equipment and medium based on RDMA
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Application publication date: 20170620