CN105406980B - A kind of multinode backup method and device - Google Patents
A kind of multinode backup method and device Download PDFInfo
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- CN105406980B CN105406980B CN201510679444.7A CN201510679444A CN105406980B CN 105406980 B CN105406980 B CN 105406980B CN 201510679444 A CN201510679444 A CN 201510679444A CN 105406980 B CN105406980 B CN 105406980B
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- 230000004888 barrier function Effects 0.000 description 1
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Classifications
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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
- H04L41/0668—Management of faults, events, alarms or notifications using network fault recovery by dynamic selection of recovery network elements, e.g. replacement by the most appropriate element after failure
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/22—Arrangements for detecting or preventing errors in the information received using redundant apparatus to increase reliability
Abstract
The invention discloses a kind of multinode backup method and devices, applied to server cluster system, server in the server cluster system includes the M working node worked normally and N number of backup node without any work, and M and N are positive integer, and N is less than M；Multinode backup method includes：When any operative nodes break down can not work normally, determine the working node that breaks down for fail operation node；One backup node is chosen according to pre-set each backup node priority corresponding with fail operation node to replace node；Fail operation node is substituted using node is replaced, completes the work that fail operation node should be completed.The standby redundancy degree of server is relatively low in a kind of multinode backup method and device provided by the invention, and cost input is less, and is easily managed.
Description
Technical field
The present invention relates to server software technical field, more specifically to a kind of multinode backup method and device.
Background technology
Server, also referred to as servomechanism are to provide the equipment of the service of calculating.Since server needs to respond service request, and
It is handled, therefore, in general server should possess the service of undertaking and ensure the ability of service.And with needed for server
The growth of the portfolio of completion becomes more and more important for the backup of server.
In the prior art, the server cluster system of generally use dual computer fault-tolerant, i.e. two-server add again one or
The two-shipper environment of the working methods such as two-node cluster hot backup, reciprocity two-shipper and the double cabinets of two-shipper that the storage array of more is realized.However, for
It is urgent to provide for the industry of High Availabitity service, it is necessary to realize that the key business of High Availabitity is more, the environment of specific transactions is general
Also more complicated, if all establishing two-shipper environment for each business, the standby redundancy degree that can cause server is higher, and cost is thrown
Enter complexity that is bigger, and also increasing management.
In conclusion in the prior art for the standby redundancy degree of the backup presence server of server is higher, cost is thrown
Enter the problem of larger and management is more complicated.
The content of the invention
The object of the present invention is to provide a kind of multinode backup method and system, to solve the prior art to the standby of server
The problem of standby redundancy degree present in part is higher, cost input is larger and management is more complicated.
To achieve these goals, the present invention provides following technical solution：
A kind of multinode backup method, applied to server cluster system, the server bag in the server cluster system
The M working node worked normally and N number of backup node without any work are included, M and N are positive integer, and N is less than M；
The multinode backup method includes：
When any operative nodes break down can not work normally, determine the working node that breaks down for fail operation
Node；
It is standby that one is chosen according to pre-set each backup node priority corresponding with the fail operation node
Part node is replacement node, wherein, each backup node, which corresponds to different working nodes, has different priority；
The fail operation node is substituted using the replacement node, completes the work that the fail operation node should be completed
Make.
Preferably, the priority for corresponding to any operative node to each backup node in advance is configured, including：
It is target operation node to determine any operative node；
It determines the business compatibility of each backup node and the target operation node, and is compatible with according to the business
Property the higher principle of higher backup node priority distribute corresponding priority for the backup node.
Preferably, selected according to pre-set each backup node priority corresponding with the fail operation node
A backup node is taken to replace node, including：
Step 1：Determine be corresponding to the highest backup node of fail operation node priority in the backup node
Current first choice backup node；
Step 2：Judge whether the current preferred backup node is the node for not carrying out any work, if it is, really
The fixed current preferred backup node is replaces node, if it is not, then performing step 3；
Step 3:It is right in other backup nodes in the backup node in addition to the current preferred working node to determine
The highest backup node of fail operation node priority described in Ying Yu is current preferred backup node, returns and performs step 2, until
Until the backup node is confirmed as the node of normal work.
Preferably, the method further includes：
The fail operation node is repaired, and corresponding replacement is substituted using successful fail operation node is repaired
Node completes the work replaced node and should completed.
A kind of multinode back-up device, applied to server cluster system, the server bag in the server cluster system
The M working node worked normally and N number of backup node without any work are included, M and N are positive integer, and N is less than M；
The multinode back-up device includes：
Fault determination module, for when any operative nodes break down can not work normally, determining that this breaks down
Working node is fail operation node；
Module is chosen, for corresponding excellent according to pre-set each backup node and the fail operation node
First grade chooses a backup node to replace node, wherein, each backup node corresponds to different working nodes with different
Priority；
First alternative module for substituting the fail operation node using the replacement node, completes the failure work
Make the work that node should be completed.
Preferably, described device further includes：
Priority setup module for determining any operative node as target operation node, determines each backup section
The business compatibility of point and the target operation node, and it is higher according to the higher backup node priority of the business compatibility
Principle distribute corresponding priority for the backup node.
Preferably, choosing module includes：
Unit is chosen, for performing following steps：Step 1：It determines to correspond to the fail operation in the backup node
The highest backup node of node priority is current preferred backup node；Step 2：Whether judge the current preferred backup node
Not carry out the node of any work, if it is, the current preferred backup node is determined to replace node, if it is not, then holding
Row step 3；Step 3:It is right in other backup nodes in the backup node in addition to the current preferred working node to determine
The highest backup node of fail operation node priority described in Ying Yu is current preferred backup node, returns and performs step 2, until
Until the backup node is confirmed as the node of normal work.
Preferably, described device further includes：
Second alternative module for being repaired to the fail operation node, and utilizes and repairs successful fail operation
Node substitutes corresponding replacement node, completes the work replaced node and should completed.
A kind of multinode backup method and device provided by the invention, applied to server cluster system, the server set
Server in group's system includes the M working node worked normally and N number of backup node without any work, M and N are equal
For positive integer, and N is less than M；The multinode backup method includes：When any operative nodes break down can not work normally
When, determine the working node that breaks down for fail operation node；According to pre-set each backup node with it is described
The corresponding priority of fail operation node chooses a backup node to replace node；The failure is substituted using the replacement node
Working node completes the work that the fail operation node should be completed.Compared with prior art, need not be each industry in the present invention
Corresponding server of being engaged in establishes two-shipper environment, but using most servers in server cluster system as working node,
A small number of servers, when any operative nodes break down, replace node, with generation as backup node by being chosen in alternate node
Complete its work that should be completed for fail operation node, if avoid as a result, mentioned in background technology for each industry
Two-shipper environment is all established in business, and the standby redundancy degree that can cause server is higher, and cost input is bigger, and also increases management
Complexity the problem of, i.e. in a kind of multinode backup method and device provided by the invention the standby redundancy degree of server compared with
Low, cost input is less, and is easily managed.
Description of the drawings
It in order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention, for those of ordinary skill in the art, without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of flow chart of multinode backup method provided in an embodiment of the present invention；
Fig. 2 is according to pre-set each backup node in a kind of multinode backup method provided in an embodiment of the present invention
Priority corresponding with fail operation node chooses a backup node to replace the flow chart of node；
Fig. 3 is the deployment signal of server cluster system in a kind of multinode backup method provided in an embodiment of the present invention
Figure；
Fig. 4 is a kind of structure diagram of multinode back-up device provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment belongs to the scope of protection of the invention.
An embodiment of the present invention provides a kind of multinode backup method, which is applied to server cluster
System, the server in the server cluster system include the M working node worked normally and N number of without any work
Backup node, M and N are positive integer, and specific values of the N less than M, M and N can be determined according to actual needs；It is above-mentioned
Multinode backup method may comprise steps of：
S11：When any operative nodes break down can not work normally, determine the working node that breaks down for failure
Working node.
It should be noted that can be that heartbeat connects between each server in server cluster system, be connected by heartbeat,
It can be monitored mutually between each service, as a result, when any server, which breaks down, to be worked normally, i.e., the server is delayed
During machine, other servers would know that.
S12：One backup section is chosen according to pre-set each backup node priority corresponding with fail operation node
Point is replacement node, wherein, each backup node, which corresponds to different working nodes, has different priority.
S13：Fail operation node is substituted using node is replaced, completes the work that fail operation node should be completed.
Backup node is the node in standby states without any work, i.e. backup node；And it utilizes and replaces section
Point substitutes fail operation node, and the work that completing fail operation node need to complete is to replace mistake of the node by " failover "
Journey takes over the business run on fail operation node, ensures the persistent service of the business.
In a kind of multinode backup method disclosed by the invention, without establishing two-shipper for the corresponding server of each business
Environment, but using most servers in server cluster system as working node, a small number of servers as backup node, when
During any operative nodes break down, node is replaced by being chosen in alternate node, it should to complete it instead of fail operation node
The work of completion, if avoid as a result, mentioned in background technology all establish two-shipper environment for each business, can cause to take
Be engaged in device standby redundancy degree it is higher, cost input is bigger, and the problem of also increase the complexity of management, i.e. the present invention
A kind of standby redundancy degree of the multinode backup method server provided is relatively low, and cost input is less, and is easily managed.
Also, a kind of multinode backup method provided by the invention is by a variety of relevant business integrations a to server
In group system, and it can be communicated and be monitored between each server, take full advantage of the particularity of cluster environment,
Be conducive to the management for server cluster system as a result,.Meanwhile a kind of multinode backup method application disclosed by the invention
Server cluster system is a kind of high-availability cluster, and high-availability cluster refers to the technology for the purpose of reducing out of service time.
It by protecting the service that the business procedure of user externally uninterruptedly provides, caused by software/hardware/artificial failure to industry
The influence of business is reduced to minimum degree.Corresponding to the server cluster in the present invention, as when any operative nodes break down
When can not work normally, the work that fail operation node should be completed is completed by choosing replacement node in backup node, so as to
Ensure externally to provide the continuity serviced.Therefore, a kind of purpose of multinode backup method provided by the invention is to ensure service
Do not influence the normal operation of whole system in the server course of work of device group system when some working nodes break down,
So as to improve the reliability of system.
It is according to each backup when choosing replacement node in addition, in a kind of multinode backup method disclosed by the invention
The priority of node is chosen, and each backup node correspond to different working node priority it is different, therefore, when
When multiple working nodes break down simultaneously, since the priority of its corresponding backup node is different, pass through backup node
It carries out choosing the mode for replacing node corresponding to the priority of working node, can avoid selecting simultaneously to a certain extent same
Replacement node of one backup node as multiple fail operation nodes, but a backup node is typically only capable to as an event
Hinder working node replacement node caused by collision problem, further ensure node fault-tolerance flexibility and system it is reliable
Property.
Wherein, the priority for corresponding to any operative node to each backup node in advance is configured, and can be included：
It is target operation node to determine any operative node；
Determine the business compatibility of each backup node and target operation node, and according to the higher backup of business compatibility
The higher principle of node priority distributes corresponding priority for backup node.
Backup node can be determined corresponding to the priority of any operative node by business compatibility, and business is compatible with
Property typically refers to business correlation, and therefore, the higher backup node priority of business compatibility is higher, it can be understood as with work
The backup node priority that the business correlation of node is higher is higher, as a result, corresponding to each working node, according to its
Business compatibility carries out the setting of priority, so as to, when choosing replacement node corresponding with fail operation node, it is actual for according to
It is chosen according to business compatibility, to select the industry of most suitable taking over fault working node with prestissimo within the shortest time
The replacement node of business further ensures the stability of system.
In a kind of method for multinode backup that above-described embodiment provides, according to pre-set each backup node and event
Hinder the corresponding priority of working node and choose a backup node to replace node, can include：
S21：Determine that it is current preferred standby to correspond to the highest backup node of fail operation node priority in backup node
Part node.
S22：Judge whether current preferred backup node is the node for not carrying out any work, if it is, performing step
S23, if it is not, then performing step S24.
S23：The current preferred backup node is determined to replace node.
S24：It determines to correspond to failure work in other backup nodes in backup node in addition to current preferred working node
Make the highest backup node of node priority as current preferred backup node, return and perform step S22, until backup node quilt
Until the node for being determined as normal work.
By above-mentioned steps, according to preferential in backup node of the order of priority from high to low by not carrying out any work
Replacement node of the highest working node of grade as fail operation node.As a result, according to the thought of priority construct one it is standby
Part rule, i.e., choose the higher backup section of priority as far as possible on the premise of the normal work of other working nodes is not influenced
Replacement node of the point as fail operation node so as to achieve the purpose that reasonable distribution backup node, is avoided between server
Load imbalance.
In addition, in order to ensure the backup node for having without any work always, in failure working node,
It is capable of the business of smooth taking over fault working node, ensures the uninterrupted of system business, a kind of more piece that above-described embodiment provides
Point backup method, can also include：
Fail operation node is repaired, and corresponding replacement section is substituted using successful fail operation node is repaired
Point is completed to replace the work that node should be completed.
That is, the business of fail operation node is transferred to after replacing on node, it is necessary to by artificial or other modes pair
Fail operation node is repaired, and after repairing successfully, the business on corresponding replacement node is retransferred, to ensure to begin
There is the backup node for not carrying out any work eventually, and then ensure the uninterrupted of business.
For a kind of vivider explanation multinode backup method provided by the invention and the multinode backup method application
Server cluster system, with five node server group systems, i.e. M is that 3, N is that a kind of 2 pairs of multinodes provided by the invention are standby
Part method is specifically described.As shown in figure 3, it is the deployment schematic diagram of five node server clusters, wherein 3 working nodes point
It is not represented with Node1, Node2 and Node3, and 2 backup nodes are represented respectively with Node4 and Node5, between each node
(Heartbeat) is connected for heartbeat, and node provides service by ICP/IP protocol for client (Client).Include each
The list of rules of the priority of the corresponding backup node of working condition and working node of node is as shown in table 1.Wherein, Active
State is to work normally, and Standby states do not carry out any work as.
1 list of rules of table
After cluster starts, Node 1, Node 2 and Node 3 externally provide service, and the business nature that they run has centainly
Correlation；Node 4 and Node 5 is backup node, and backup node without any business, is only occurring under normal circumstances
The business of taking over fault working node during fail operation node.The backup rules of each working node are defined in table 1, such as
Priority corresponding to the backup node of Node 1 is respectively Node4, Node5 from high to low.It is excellent when Node 1 breaks down
First select the business of 4 take over Node1 of Node；If following Node 3 also breaks down, prioritizing selection Node 4 is equally also answered
As replacing node, but the business of the take over Node1 of Node 4 at this time, that is, it is working normally, therefore, Node4 cannot
The business of take over Node 3, and the business of 5 take over Node3 of Node should be selected according to priority.Each section is ensured that as a result,
Between point there is rational configuration, avoid loading between server unbalance, improve the reliability of system.
Corresponding with above method embodiment, the embodiment of the present invention additionally provides a kind of multinode back-up device, is applied to
Server cluster system, the server in the server cluster system include the M working node worked normally and it is N number of without
The backup node of any work, M and N are positive integer, and N is less than M；As shown in figure 4, above-mentioned multinode back-up device includes：
Fault determination module 41, for when any operative nodes break down can not work normally, determining generation event
Barrier working node is fail operation node；
Module 42 is chosen, for being selected according to pre-set each backup node priority corresponding with fail operation node
A backup node is taken to replace node；
First alternative module 43, for using node replacement fail operation node is replaced, completing fail operation node should be complete
Into work.
A kind of multinode back-up device disclosed by the invention, it is double without being established for the corresponding server of each business
Machine environment, but using most servers in server cluster system as working node, a small number of servers as backup node,
When any operative nodes break down, node is replaced by being chosen in alternate node, it should to complete it instead of fail operation node
The work of the completion, if avoid as a result, mentioned in background technology all establish two-shipper environment for each business, can cause
The standby redundancy degree of server is higher, and cost input is bigger, and the problem of also increase the complexity of management, i.e. this hair
The standby redundancy degree of server is relatively low in a kind of multinode back-up device of bright offer, and cost input is less, and is easily managed.
A kind of multinode back-up device that above-described embodiment provides, can also include：
Priority setup module, for determining any operative node as target operation node, determine each backup node with
The business compatibility of target operation node, and be backup according to the higher principle of the higher backup node priority of business compatibility
Node distributes corresponding priority, wherein, each backup node, which corresponds to different working nodes, has different priority.
Correspond to each working node as a result, the setting of priority is carried out according to the business compatibility with it, so as to,
When choosing replacement node corresponding with fail operation node, actual is to be chosen according to business compatibility, with most in short-term
The replacement node of the interior business that most suitable taking over fault working node is selected with prestissimo, further ensures system
Stability.
A kind of multinode back-up device that above-described embodiment provides, choosing module can include：
Unit is chosen, for performing following steps：Step 1：It determines preferential corresponding to fail operation node in backup node
The highest backup node of grade is current preferred backup node；Step 2：Judge current preferred backup node whether be do not carry out it is any
The node of work, if it is, the current preferred backup node is determined to replace node, if it is not, then performing step 3；Step
3:It determines preferential corresponding to fail operation node in other backup nodes in backup node in addition to current preferred working node
The highest backup node of grade is current preferred backup node, returns and performs step 2, until backup node is confirmed as normal work
Until the node of work.
As a result, according to highest priority in priority backup node of the order by not carrying out any work from high to low
Replacement node of the working node as fail operation node.One backup rules is constructed according to the thought of priority, i.e., not
Influence to choose the higher backup node of priority as far as possible on the premise of the normal work of other working nodes as failure work
Make the replacement node of node, so as to achieve the purpose that reasonable distribution backup node, avoid the load imbalance between server.
A kind of multinode back-up device that above-described embodiment provides, can also include：
Second alternative module for being repaired to fail operation node, and utilizes and repairs successful fail operation node
Corresponding replacement node is substituted, completes to replace the work that node should be completed.
So as to, ensure the backup node for having without any work always, it, can in failure working node
The business of smooth taking over fault working node, ensures the uninterrupted of system business.
It can refer to for a kind of illustrating for multinode back-up device provided in an embodiment of the present invention above for this
A kind of explanation for multinode backup method that inventive embodiments provide, details are not described herein.
The foregoing description of the disclosed embodiments enables those skilled in the art to realize or use the present invention.To this
A variety of modifications of a little embodiments will be apparent for a person skilled in the art, and the general principles defined herein can
Without departing from the spirit or scope of the present invention, to realize in other embodiments.Therefore, the present invention will not be limited
The embodiments shown herein is formed on, and is to fit to consistent with the principles and novel features disclosed herein most wide
Scope.
Claims (6)
1. a kind of multinode backup method, which is characterized in that applied to server cluster system, in the server cluster system
Server includes the M working node worked normally and N number of backup node without any work, and M and N are positive integer,
And N is less than M；The multinode backup method includes：
When any operative nodes break down can not work normally, determine the working node that breaks down for fail operation section
Point；
One backup section is chosen according to pre-set each backup node priority corresponding with the fail operation node
Point is replacement node, wherein, each backup node, which corresponds to different working nodes, has different priority；
The fail operation node is substituted using the replacement node, completes the work that the fail operation node should be completed；
The priority for corresponding to any operative node to each backup node in advance is configured, including：
It is target operation node to determine any operative node；
It determines the business compatibility of each backup node and the target operation node, and is got over according to the business compatibility
The higher principle of high backup node priority distributes corresponding priority for the backup node.
2. according to the method described in claim 1, it is characterized in that, according to pre-set each backup node with it is described
The corresponding priority of fail operation node chooses a backup node to replace node, including：
Step 1：Determine in the backup node corresponding to the highest backup node of fail operation node priority to be current
Preferred backup node；
Step 2：Judge whether the current preferred backup node is the node for not carrying out any work, if it is, determining to be somebody's turn to do
Current first choice backup node is replaces node, if it is not, then performing step 3；
Step 3:It determines to correspond in other backup nodes in the backup node in addition to the current preferred working node
The highest backup node of fail operation node priority is current preferred backup node, returns and performs step 2, until described
Until backup node is confirmed as the node of normal work.
3. according to claim 1 to 2 any one of them method, which is characterized in that the method further includes：
The fail operation node is repaired, and corresponding replacement section is substituted using successful fail operation node is repaired
Point completes the work replaced node and should completed.
4. a kind of multinode back-up device, which is characterized in that applied to server cluster system, in the server cluster system
Server includes the M working node worked normally and N number of backup node without any work, and M and N are positive integer,
And N is less than M；The multinode back-up device includes：
Fault determination module, for when any operative nodes break down can not work normally, determining the work of breaking down
Node is fail operation node；
Module is chosen, for according to pre-set each backup node priority corresponding with the fail operation node
A backup node is chosen to replace node, wherein, each backup node correspond to different working nodes have it is different preferential
Grade；
First alternative module for substituting the fail operation node using the replacement node, completes the fail operation section
The work that point should be completed；
Described device further includes：
Priority setup module, for determining any operative node as target operation node, determine each backup node with
The business compatibility of the target operation node, and according to the higher original of the higher backup node priority of the business compatibility
Then corresponding priority is distributed for the backup node.
5. device according to claim 4, which is characterized in that choosing module includes：
Unit is chosen, for performing following steps：Step 1：It determines to correspond to the fail operation node in the backup node
The backup node of highest priority is current preferred backup node；Step 2：Judge whether the current preferred backup node is not
The node of any work is carried out, if it is, the current preferred backup node is determined to replace node, if it is not, then performing step
Rapid 3；Step 3:It determines to correspond in other backup nodes in the backup node in addition to the current preferred working node
The highest backup node of fail operation node priority is current preferred backup node, returns and performs step 2, until described
Until backup node is confirmed as the node of normal work.
6. according to claim 4 to 5 any one of them device, which is characterized in that described device further includes：
Second alternative module for being repaired to the fail operation node, and utilizes and repairs successful fail operation node
Corresponding replacement node is substituted, completes the work replaced node and should completed.
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| CN106569764A (en) * | 2016-10-24 | 2017-04-19 | 浙江大华技术股份有限公司 | Display system, method for decoding device hot backup in display system and backup decoding device |
| CN106897175A (en) * | 2017-02-19 | 2017-06-27 | 郑州云海信息技术有限公司 | Heat replaces the method and device of NC nodes |
| CN107104830B (en) * | 2017-04-18 | 2020-09-04 | 广东浪潮大数据研究有限公司 | Multi-server switching method and system |
| CN106992890B (en) * | 2017-04-18 | 2020-09-04 | 广东浪潮大数据研究有限公司 | Multi-server switching method and system |
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