CN106685676A - Node switching method and device - Google Patents
Node switching method and device Download PDFInfo
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- CN106685676A CN106685676A CN201510749901.5A CN201510749901A CN106685676A CN 106685676 A CN106685676 A CN 106685676A CN 201510749901 A CN201510749901 A CN 201510749901A CN 106685676 A CN106685676 A CN 106685676A
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- node
- management node
- monitoring
- standby
- working
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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
- H04L41/0659—Management of faults, events, alarms or notifications using network fault recovery by isolating or reconfiguring faulty entities
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/10—File systems; File servers
- G06F16/18—File system types
- G06F16/182—Distributed file systems
- G06F16/1824—Distributed file systems implemented using Network-attached Storage [NAS] architecture
- G06F16/183—Provision of network file services by network file servers, e.g. by using NFS, CIFS
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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
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0805—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability
- H04L43/0817—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability by checking functioning
Abstract
The invention discloses a node switching method and device, relates to the technical field of communication, and aims at ensuring continuous operation of business. The method comprises the steps that when a main management node and working nodes are utilized to perform data transmission, the communication state between all the monitoring working nodes and a standby management node is acquired from all the monitoring working nodes of the working nodes, wherein all the monitoring working nodes are used for monitoring the main management node and the standby management node; whether the working state of the standby management node is normal is determined according to the communication state between all the monitoring working nodes and the standby management node; if the working state of the standby management node is normal, the working state of the main management node is acquired from all the monitoring working nodes; and if the working state of the main management node is abnormal, data transmission between the main management node and the working nodes is switched to the standby management node, and the standby management node and the working nodes are utilized to perform data transmission. The node switching method and device are mainly used for the distributed parallel processing technology.
Description
Technical field
The present invention relates to communication technical field, more particularly to a kind of node switching method and device.
Background technology
The core of distributed variable-frequencypump (massively parallel processing, MPP) database technology
It is to be processed being distributed on multiple servers and Nodes (node) for tasks in parallel.Wherein, MPP
Each Nodes of type data base has independent disk storage system and memory system, and business datum is according to number
It is divided on each Nodes according to storehouse model and application characteristic.Every Nodes by high speed private networks or
Business universal network is interconnected.
Wherein, MPP frameworks can substantially be divided to two classes：The first kind is without management node framework；Equations of The Second Kind is that have
Management node framework.In the MPP frameworks of Equations of The Second Kind, data access is all by management node and work
Communication between node is completed, the framework product such as Teradata Aster etc..Wherein management node typically can draw
It is divided into main management node (main Queen nodes) and standby management node (standby Queen nodes).Main management node
Data syn-chronization is carried out and standby management node between, and can be using standby management when main management node breaks down
Node is completing and the communication between each working node.
Generally in the following way completing the switching between active and standby management node in prior art：When using standby
Management node is monitoring during standby communication abnormality between management node and main management node, then to carry out active and standby
Switching between management node.But, inventor has found during the present invention is realized, due to existing skill
The scheme of art is only according to its communication abnormality between main management node for monitoring by standby management node
To carry out the switching of node, and cannot determine whether main management node itself is truly present failure, therefore, it is existing
The node switching method for having technology there may be the situation of node handoff error, so as to have impact on the continuous of business
Operation.
The content of the invention
In view of this, the present invention provides a kind of node switching method and device, to the continuous fortune for ensureing business
OK.
To solve above-mentioned technical problem, the present invention provides a kind of node switching method, including：
When being carried out data transmission using main management node and working node, respectively from the working node
Each monitoring node obtains the communications status between each monitoring node and standby management node；Wherein
Each monitoring node is used to be monitored the main management node, standby management node；
Determined according to the communications status between each monitoring node and the standby management node described standby
Whether the working condition of management node is normal；
If the working condition of the standby management node is normal, institute is obtained from each monitoring node respectively
State the working condition of main management node；
If the working condition exception of the main management node, by the main management node and the working node
Between data transfer be switched in the standby management node, and using the standby management node and the work
Node carries out data transmission.
Preferably, state each monitoring node respectively from the working node and obtain each monitoring
Communications status between node and standby management node, including：
The first monitoring request message for the standby management node is sent to each monitoring node；
The first monitoring response message that each monitoring node sends is received, in the described first monitoring response
Message includes the communications status between each monitoring node and the standby management node.
Preferably, including：It is described logical and the standby management node between according to each monitoring node
Letter state determines whether the working condition of the standby management node is normal, including：
The communications status of statistics feedback are the quantity of normal monitoring node；
When the quantity is more than the first predetermined threshold value, the working condition for determining the standby management node be it is normal,
Otherwise, it determines the working condition of the standby management node is abnormal.
Preferably, if the working condition of the standby management node is normal, respectively from each monitoring work
Make the working condition that node obtains the main management node, including
If the working condition of the standby management node is normal, be spaced to schedule in the given time to
Each monitoring node sends the second monitoring request message for the main management node；
The second monitoring response message that each monitoring node sends is received, in the described second monitoring response
Message includes the communications status between each monitoring node and the main management node, the supervisor
The working condition of reason node itself.
Preferably, if the working condition exception of the main management node, by the main management node with
Data transfer between the working node is switched in the standby management node, and using the standby management section
Point carries out data transmission with the working node, including：
The second monitoring response that described each monitoring node that parsing is received within the scheduled time sends
Message；
If the second monitoring response message of the first monitoring node represents abnormal read-around ratio more than second
Predetermined threshold value, then be marked to the first monitoring node, wherein the first monitoring node
For any node in the monitoring node；
If the first labeled monitoring node meets preset requirement, by the main management node with
Data transfer between the working node is switched in the standby management node, and using the standby management section
Point carries out data transmission with the working node.
Preferably, it is described the first monitoring node is marked including：
The ballot value of the first monitoring node is designated as into 1；
If the first labeled monitoring node meets preset requirement, by the main management section
Data transfer between point and the working node is switched in the standby management node, and using the standby pipe
Reason node carries out data transmission with the working node, including：
The ballot value of each first labeled monitoring node is added up；
If the accumulation result of ballot value is more than preset value, the switching command of arbitrary monitoring node is received,
Data transfer between the main management node and the working node is switched in the standby management node,
And carried out data transmission with the working node using the standby management node.
Preferably, methods described also includes：
Obtain the working condition of the main management node from each monitoring node respectively；
If the working condition of the main management node is normal, the switching command of arbitrary monitoring node is received,
The standby data transfer between management node and the working node is switched to according to the switching command
In the main management node, and carried out data transmission with the working node using the main management node.
Preferably, each monitoring is obtained in each monitoring node respectively from the working node
Before communications status between working node and standby management node, methods described also includes：
The working node of predetermined quantity is chosen from the working node as the monitoring node.
The present invention also provides a kind of node switching method, including：
When carrying out data transmission with main management node, itself is obtained and sent logical between standby management node
Letter state；
When it is determined that the working condition of the standby management node is normal, the main management node is obtained and sent
Working condition；
When it is determined that the working condition of the main management node is abnormal, sends switching to the main management node and refer to
Order, the data transfer between the main management node is switched in the standby management node, and with it is described
Standby management node carries out data transmission.
Preferably, it is described to obtain and send itself and include for the communications status between management node：
The first monitoring request message for the standby management node is received, is disappeared according to the described first monitoring request
Breath obtains itself with the communications status between the standby management node；
Send it is described first monitoring response message, described first monitoring response message include itself with it is described
Communications status between standby management node.
Preferably, the working condition for obtaining and sending the main management node, including：
The second monitoring request message for the main management node is received, is disappeared according to the described second monitoring request
Breath obtains the working condition of the main management node；
Send second and monitor response message, include itself with the supervisor in the described second monitoring response message
Communications status between reason node, the main management node working condition of itself.
Preferably, methods described also includes：
Obtain the working condition of the main management node；
If the working condition of the main management node is normal, switching command is sent to the standby management node,
Itself is switched in the main management node with the data transfer between the standby management node, and with it is described
Main management node carries out data transmission.
The present invention also provides a kind of node switching device, including：
First acquisition unit, for when being carried out data transmission using main management node and working node, distinguishing
Each monitoring node from the working node obtains each monitoring node with standby management node
Between communications status；Wherein described each monitoring node is used for the main management node, standby management section
The working condition of point is monitored；
First determining unit, for according to logical between each monitoring node and the standby management node
Letter state determines whether the working condition of the standby management node is normal；
Second acquisition unit, for when the working condition of the standby management node is normal, respectively from described each
Monitoring node obtains the working condition of the main management node；
Whether switch unit, the working condition for determining the main management node is normal, and in the supervisor
When the working condition of reason node is abnormal, by the data transfer between the main management node and the working node
It is switched in the standby management node, and data biography is carried out with the working node using the standby management node
It is defeated.
Preferably, the first acquisition unit includes：
Sending module, for sending the first prison for the standby management node to each monitoring node
Control request message；
Receiver module, for receiving the first monitoring response message that each monitoring node sends, in institute
Stating the first monitoring response message includes leading between each monitoring node and the standby management node
Letter state.
Preferably, first determining unit includes：
Statistical module, the communications status fed back for statistics are the quantity of normal monitoring node；
Determining module, for when the quantity is more than the first predetermined threshold value, determining the standby management node
Working condition is normal, otherwise, it determines the working condition of the standby management node is abnormal.
Preferably, the second acquisition unit includes：
Sending module, for when the working condition of the standby management node is normal, in the given time according to
Predetermined time interval sends to be monitored for the second of the main management node to each monitoring node and asks
Seek message；
Receiver module, for receiving the second monitoring response message that each monitoring node sends, in institute
Stating the second monitoring response message includes leading between each monitoring node and the main management node
Letter state, the main management node working condition of itself.
Preferably, the switch unit includes：
Parsing module, for parsing what the described each monitoring node received within the scheduled time sent
Second monitoring response message；
Mark module, represents abnormal continuous for the second monitoring response message in the first monitoring node
When number of times is more than the second predetermined threshold value, the first monitoring node is marked, wherein described first
Monitoring node is any node in the monitoring node；
Handover module, for when the first labeled monitoring node meets preset requirement, by institute
State the data transfer between main management node and the working node to be switched in the standby management node, and profit
Carried out data transmission with the working node with the standby management node.
Preferably, the mark module when being marked to the first monitoring node specifically for will
The ballot value of the first monitoring node is designated as 1；
The handover module is specifically for when the accumulation result of ballot value is more than preset value, then receiving arbitrary
The switching command of monitoring node, by the data transfer between the main management node and the working node
It is switched in the standby management node, and data biography is carried out with the working node using the standby management node
It is defeated.
Preferably, the second acquisition unit is additionally operable to, and obtains described from each monitoring node respectively
The working condition of main management node；
The switch unit, is additionally operable to, when the working condition of the main management node is normal, receive arbitrary prison
The switching command of working node is surveyed, will be described for management node and the working node according to the switching command
Between data transfer be switched in the main management node, and using the main management node and the work
Node carries out data transmission.
Preferably, described device also includes：
Select unit, for from the working node choose predetermined quantity working node as the monitoring
Working node.
The present invention also provides a kind of node switching device, including：
First acquisition unit, for when carrying out data transmission with main management node, obtaining and send itself with
Communications status between standby management node；
Second acquisition unit, for when it is determined that the working condition of the standby management node is normal, obtaining concurrent
Send the working condition of the main management node；
Processing unit, for when it is determined that the working condition of the main management node is abnormal, to the main management
Node sends switching command, and the data transfer between the main management node is switched to into the standby management section
On point, and carry out data transmission with the standby management node.
Preferably, the first acquisition unit includes：
Receiver module, for receiving the first monitoring request message for the standby management node, according to described
First monitoring request message obtains itself with the communications status between the standby management node；
Sending module, for sending the first monitoring response message, in the described first monitoring response message
Including itself and the communications status between the standby management node.
Preferably, the second acquisition unit includes：
Receiver module, for receiving the second monitoring request message for the main management node, according to described
Second monitoring request message obtains the working condition of the main management node；
Sending module, for sending second response message is monitored, and is included in the described second monitoring response message
Itself and the communications status between the main management node, the main management node working condition of itself.
Preferably, the second acquisition unit is additionally operable to：Obtain the working condition of the main management node；
The processing unit, is additionally operable to when the working condition of the main management node is normal, to the standby pipe
Reason node sends switching command, and itself is switched to into the master with the data transfer between the standby management node
In management node, and carry out data transmission with the main management node.
The above-mentioned technical proposal of the present invention has the beneficial effect that：
In embodiments of the present invention, when being carried out data transmission using main management node and working node, first
It is determined that whether the working condition of standby management node is normal, and it is true again when the working condition of standby management node is normal
Determine the working condition of main management node.Data transfer is cut if the working condition of now main management node is abnormal
Change in standby management node.Due to needing in embodiments of the present invention to standby management node, main management node
Working condition judged respectively, therefore, can be real in main management node using the scheme of the embodiment of the present invention
There occurs the switching carried out data transmission when failure, so as to avoid by mistake switching behaviour of the prior art
Make.Thus, ensure that the continuous operation of business using the scheme of the embodiment of the present invention.
Description of the drawings
Fig. 1 is the flow chart of the node switching method of the embodiment of the present invention one；
Fig. 2 is the flow chart of the node switching method of the embodiment of the present invention two；
Fig. 3 is the schematic network structure of the embodiment of the present invention three；
Fig. 4 is the flow chart of the node switching method of the embodiment of the present invention three；
Fig. 5 is the schematic diagram of the node switching device of the embodiment of the present invention four；
Fig. 6 is the structure chart of the node switching device of the embodiment of the present invention four；
Fig. 7 is the schematic diagram of the node switching device of the embodiment of the present invention five.
Specific embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.
Following examples are used to illustrate the present invention, but are not limited to the scope of the present invention.
As shown in figure 1, the node switching method of the embodiment of the present invention one, can be by the node switching control in framework
Device processed is performed, including：
Step 11, when being carried out data transmission using main management node and working node, respectively from the work
Make each monitoring node in node and obtain logical between each monitoring node and standby management node
Letter state；Wherein described each monitoring node is used to supervise the main management node, standby management node
Survey.
According to the description of background technology, in the MPP frameworks for having management node, its management node may include
Main management node and standby management node, also include in addition multiple working nodes in the framework.Work as main management node
When data transfer between working node breaks down, need that data transfer is switched in standby management node
Proceed data transfer.
In embodiments of the present invention, in order to preferably monitor main management node and the working condition for management node,
Any number of working node is chosen from working node as monitoring node, in these monitoring sections
Monitoring programme is disposed on point, for being monitored to the working condition of main management node and standby management node.Example
Such as, it is assumed that have 10 working nodes in the framework, then optional 7 node conducts in this 10 nodes
Monitoring node.
Due to being deployed with monitoring programme on each monitoring node, therefore, in embodiments of the present invention can be from
Each monitoring node obtains the communications status between each monitoring node and standby management node.Now,
Can send to each monitoring node and monitor request message for the first of the standby management node, then
The first monitoring response message that each monitoring node sends is received respectively, in the described first monitoring response
Message includes the communications status between each monitoring node and the standby management node.Wherein, institute
Stating communications status can include whether the communication link between each monitoring node and standby management node is normal
Deng.
It is step 12, true according to the communications status between each monitoring node and the standby management node
Whether the working condition of the fixed standby management node is normal.
In this step, after it have received the first monitoring response message that each monitoring node sends, can divide
It is other that it is parsed, and then determine that the communications status represented by each the first monitoring response message are for normal
Or it is abnormal.Now, the communications status according to the result statistics feedback of parsing are normal monitoring
The quantity of node.When the quantity is more than the first predetermined threshold value, the work shape of the standby management node is determined
State is normal, otherwise, it determines the working condition of the standby management node is abnormal.
Wherein the first predetermined threshold value can be arranged arbitrarily, of course for ensure switching accuracy, described first
Predetermined threshold value could be arranged to the half more than monitoring number of nodes.If that is, have selected 5 monitorings
Working node, then the first predetermined threshold value in this could be arranged to 3.Therefore, when there is 3 monitorings
When the communications status of node feeding back are expressed as normal, it is believed that the working condition of standby management node is normal.It is no
Then, the working condition for determining the standby management node is abnormal.
If step 13, the working condition of the standby management node are normal, respectively from each monitoring
Node obtains the working condition of the main management node.
If the working condition of standby management node is normal, there is the primary condition of switching node in expression in framework.
Now, the working condition by each monitoring node monitors main management node is also needed.
In this step, can to schedule be spaced in the given time to each monitoring node and send out
Send and monitor request message for the second of the main management node, then, receive each monitoring node
The the second monitoring response message for sending, in the described second monitoring response message each monitoring section is included
Communications status between point and the main management node, the main management node working condition of itself.
For example, the second monitoring request can be sent to each monitoring node every 30 seconds in 1 minute to disappear
Breath, then, receives respectively the second monitoring response message that each monitoring node sends, and according to each the
Two monitoring response messages obtain the working condition (for example whether machine of delaying etc.) and monitoring work of main management node
Make communications status between node and the main management node (such as communication link whether normal etc.).
If step 14, the working condition exception of the main management node, by the main management node and institute
State the data transfer between working node to be switched in the standby management node, and using the standby management node
Carry out data transmission with the working node.
In this step, can first parse the described each monitoring node received within the scheduled time to send out
The the second monitoring response message for sending.If the second monitoring response message of the first monitoring node represents abnormal
Read-around ratio is then marked, wherein described more than the second predetermined threshold value to the first monitoring node
First monitoring node is any node in the monitoring node.If the first labeled prison
Survey working node and meet preset requirement, then pass the data between the main management node and the working node
It is defeated to be switched in the standby management node, and carry out data with the working node using the standby management node
Transmission.
Specifically, in embodiments of the present invention, main management node is determined using Delicious Voting Algorithms
Communications status it is whether normal.Therefore, mainly will be described when being marked to the first monitoring node
The ballot value of the first monitoring node is designated as 1.
For example, it is assumed that the working node number N in framework is 10, the number of monitoring node is 7
(namely n=3), preset value is equal to 4 (((2n+1)+1)/2).For in 7 monitoring nodes
Arbitrary monitoring node as the first monitoring node, be sent to every 30 seconds in 1 minute
Second monitoring request message；Accordingly, the first monitoring node is also received in the Preset Time to send
Second monitoring response message.Afterwards, the second monitoring response for parsing the first monitoring node transmission disappears
Breath, if the abnormal number of times of the second monitoring response message continuous representation is more than the second predetermined threshold value, to described the
One monitoring node is marked.For example, the second monitoring response message of the first monitoring node connects
Continued shows abnormal number of times more than 3 times, now, the ballot value of the first monitoring node is designated as into 1, no
Then it is designated as 0.For other monitoring nodes are all processed according to the mode of the first monitoring node,
Obtain its ballot value.
So, the ballot of each monitoring node is added up, obtain ballot value it is cumulative and
A=A1+A2+…A7, wherein A1, A2... ... A7Represent the ballot value of each monitoring node.If A
More than or equal to 4, then it is assumed that main management node exception, otherwise it is assumed that main management node is normal.
If main management node exception, the switching command of arbitrary monitoring node is received, by the main management
Data transfer between node and the working node is switched in the standby management node, and using described standby
Management node carries out data transmission with the working node.The monitoring node for wherein sending switching command can
To be arbitrary monitoring node, generally it is defaulted as first monitoring node voted and sends.
As seen from the above, due to needing in embodiments of the present invention to standby management node, main management node
Working condition judged respectively, therefore, can be real in main management node using the scheme of the embodiment of the present invention
There occurs the switching carried out data transmission when failure, so as to avoid by mistake switching behaviour of the prior art
Make.Thus, ensure that the continuous operation of business using the scheme of the embodiment of the present invention.
As shown in Fig. 2 the node switching method of the embodiment of the present invention two, is performed by monitoring node, bag
Include：
Step 21, when carrying out data transmission with main management node, obtain and send itself and standby management section
Communications status between point.
Because monitoring node deployment has monitoring programme, therefore, it can be to the work of active and standby management node
State is monitored.Therefore, in this step, can receive to be monitored for the first of the standby management node and ask
Message is sought, itself is obtained with the communication shape between the standby management node according to the described first monitoring request message
State, then send it is described first monitoring response message, described first monitoring response message include itself and
Communications status between the standby management node.
Step 22, when it is determined that the working condition of the standby management node is normal, obtain and send the master
The working condition of management node.
In this step, can receive and monitor request message for the second of the main management node, according to described
Second monitoring request message obtains the working condition of the main management node, then sends the second monitoring response and disappears
Breath, in the described second monitoring response message itself and the communications status between the main management node are included,
The main management node working condition of itself.
Step 23, when it is determined that the working condition of the main management node is abnormal, to the main management node
Switching command is sent, the data transfer between the main management node is switched in the standby management node,
And carry out data transmission with the standby management node.
As seen from the above, due to needing in embodiments of the present invention to standby management node, main management node
Working condition judged respectively, therefore, can be real in main management node using the scheme of the embodiment of the present invention
There occurs the switching carried out data transmission when failure, so as to avoid by mistake switching behaviour of the prior art
Make.Thus, ensure that the continuous operation of business using the scheme of the embodiment of the present invention.
As shown in Figure 3, it is assumed that certain distributed data processing storehouse cluster has 2 management nodes, N number of work section
Point, N takes 10.As shown in figure 4, the node switching method of the embodiment of the present invention three includes：
Step 31, under normal circumstances, carries out the mistake of data syn-chronization between main management node and standby management node
Journey, is carried out data transmission using main management node with each working node.
Step 32, from working node select monitoring node.
Arbitrarily selected 2n+1 platforms (n is natural number) node sets are ballot member in 10 working nodes
Namely as monitoring node, then dispose monitoring programme thereon, monitor in real time main management node and standby
The running status situation of signal intelligence, each management node between management node.With selection in the present embodiment
As a example by 5 detection working nodes, namely n=2.
Step 33, each monitoring node respectively from the working node obtain each monitoring
Communications status between node and standby management node, determine whether the working condition of the standby management node is normal.
If assuming that the communication between 3 monitoring nodes of regulation and standby management node is normal, standby management section
Point is working properly, can switch over, and otherwise switching condition is unsatisfactory for, it is impossible to carry out node switching.
Jing is parsed, and has the communication between 4 detection working nodes and standby management node normal in the present embodiment,
Therefore can switch over.Execution step 34, otherwise repairs this for execution step 33 is continued after management node.
Step 34, the working condition for obtaining the main management node from each monitoring node respectively,
Determine whether the working condition of the main management node is normal.
Delicious algorithms are adopted in this step, are carried out within the unit interval by 5 monitoring nodes
Ballot.For the 5 monitoring nodes selected in step 32, obtained by it every 15 seconds in 2 minutes
Obtain the working condition of main management node.Continuous 3 collection results are fed back to exception, then be judged to the monitoring
The votes of working node are λ2n+1=1, otherwise λ2n+1=0.Assume that Jing ballots in 3 minutes are finished.Then,
The votes for calculating each monitoring node add up and i.e. τ=λ1+λ2+λ3+…+λ2n+1=λ1+λ2+λ3+…+λ5.Value by τ and ((2n+1)+1)/2 is 3 to be compared, if τ >=3,
Then illustrate main management node exception, execution step 35；Otherwise illustrate that main management node is normal, execution step
33。
Step 35, the data transfer between the main management node and the working node is switched to it is described
In standby management node, and carried out data transmission with the working node using the standby management node.
In this, it is assumed that being the ballot first carried out by monitoring node 1 during above-mentioned ballot, then,
Switching command can be sent from monitoring node 1 to main management node in this step, by the main management section
Data transfer between point and the working node is switched in the standby management node, and using the standby pipe
Reason node carries out data transmission with the working node.
Step 36, the working condition for obtaining the main management node from each monitoring node respectively.
If step 37, the working condition of the main management node are normal, arbitrary monitoring node is received
Switching command, according to the switching command by the standby data between management node and the working node
Transmission is switched in the main management node, and enters line number with the working node using the main management node
According to transmission.
Mode according to step 34 determines whether the working condition of main management node is normal.Hypothesis is now respectively supervised
Survey the cumulative and τ of the ballot value of working node<3, then illustrate that main management node is normal.Now, can also be by supervising
Survey working node 1 and send switching command to standby management node, according to the switching command by described for management section
Data transfer between point and the working node is switched in the main management node, and using the supervisor
Reason node carries out data transmission with the working node.
As seen from the above, due to needing in embodiments of the present invention to standby management node, main management node
Working condition judged respectively, therefore, can be real in main management node using the scheme of the embodiment of the present invention
There occurs the switching carried out data transmission when failure, so as to avoid by mistake switching behaviour of the prior art
Make.Thus, ensure that the continuous operation of business using the scheme of the embodiment of the present invention.Additionally, using this
The scheme of inventive embodiments can avoid manual intervention from carrying out node switching, and switching time is short.In addition, this programme
The switchback of node is also capable of achieving, so as to further ensure that the continuous operation of business.
As shown in figure 5, the node switching device of the embodiment of the present invention four, including：
First acquisition unit 51, for when being carried out data transmission using main management node and working node,
Respectively each monitoring node from the working node obtains each monitoring node with standby management
Communications status between node；Wherein described each monitoring node is used for the main management node, standby pipe
The working condition of reason node is monitored；First determining unit 52, for according to each monitoring section
Whether just communications status between point and the standby management node determine the working condition of the standby management node
Often；Second acquisition unit 53, for when the working condition of the standby management node is normal, respectively from institute
State the working condition that each monitoring node obtains the main management node；Switch unit 54, for determining
Whether the working condition of the main management node is normal, and when the working condition of the main management node is abnormal,
Data transfer between the main management node and the working node is switched in the standby management node,
And carried out data transmission with the working node using the standby management node.
Wherein, the first acquisition unit 51 includes：Sending module, for each monitoring section
Point sends the first monitoring request message for the standby management node；Receiver module, it is described each for receiving
The first monitoring response message that monitoring node sends, includes described in the described first monitoring response message
Communications status between each monitoring node and the standby management node.
Wherein, first determining unit 52 includes：Statistical module, for the communication of statistics feedback
State is the quantity of normal monitoring node；Determining module, for presetting more than first when the quantity
During threshold value, the working condition for determining the standby management node is normal, otherwise, it determines the standby management node
Working condition be abnormal.
Wherein, the second acquisition unit 53 includes：Sending module, in the standby management node
When working condition is normal, it is spaced to schedule in the given time to each monitoring node and sends
Request message is monitored for the second of the main management node；Receiver module, for receiving each monitoring work
Make the second monitoring response message of node transmission, in the described second monitoring response message each monitoring is included
Communications status between working node and the main management node, the main management node working condition of itself.
Wherein, the switch unit 54 includes：Parsing module, receives for parsing within the scheduled time
The second monitoring response message that the described each monitoring node for arriving sends；Mark module, in the first prison
It is right when the second monitoring response message for surveying working node represents abnormal read-around ratio more than the second predetermined threshold value
The first monitoring node is marked, wherein the first monitoring node is the monitoring
Any node in node；Handover module, for meeting pre- in the first labeled monitoring node
If require, the data transfer between the main management node and the working node is switched to into the standby pipe
On reason node, and carried out data transmission with the working node using the standby management node.
Specifically, the mark module when being marked to the first monitoring node specifically for will
The ballot value of the first monitoring node is designated as 1；Now, the handover module is specifically for throwing
When the accumulation result of ticket value is more than preset value, then the switching command of arbitrary monitoring node is received, will be described
Data transfer between main management node and the working node is switched in the standby management node, and is utilized
The standby management node carries out data transmission with the working node.
Additionally, the seriality in order to be further ensured that business, realizes node switchback, the second acquisition unit
52 are additionally operable to, and obtain the working condition of the main management node from each monitoring node respectively；Institute
Switch unit 54 is stated, is additionally operable to, when the working condition of the main management node is normal, receive arbitrary monitoring
The switching command of working node, according to the switching command by the standby management node and the working node it
Between data transfer be switched in the main management node, and using the main management node and the work section
Point carries out data transmission.
Additionally, as shown in fig. 6, the device of the embodiment of the present invention also includes：Select unit 55, for from
The working node of predetermined quantity is chosen in the working node as the monitoring node.
The operation principle of the embodiment of the present invention can refer to the description of preceding method embodiment, and the device can be located at frame
In arbitration network element in structure.
As seen from the above, due to needing in embodiments of the present invention to standby management node, main management node
Working condition judged respectively, therefore, can be real in main management node using the scheme of the embodiment of the present invention
There occurs the switching carried out data transmission when failure, so as to avoid by mistake switching behaviour of the prior art
Make.Thus, ensure that the continuous operation of business using the scheme of the embodiment of the present invention.Additionally, using this
The scheme of inventive embodiments can avoid manual intervention from carrying out node switching, and switching time is short.In addition, this programme
The switchback of node is also capable of achieving, so as to further ensure that the continuous operation of business.
As shown in fig. 7, the node switching device of the embodiment of the present invention five, including：
First acquisition unit 61, for when carrying out data transmission with main management node, obtaining and send from
Communications status between body and standby management node；Second acquisition unit 62, for it is determined that the standby management
When the working condition of node is normal, the working condition of the main management node is obtained and sent；Processing unit
63, for when it is determined that the working condition of the main management node is abnormal, sending to the main management node and cutting
Instruction is changed, the data transfer between the main management node is switched in the standby management node, and with
The standby management node carries out data transmission.
Wherein, the first acquisition unit 61 includes：Receiver module, for receiving for the standby management
First monitoring request message of node, itself is obtained with the standby management according to the described first monitoring request message
Communications status between node；Sending module, for sending the first monitoring response message, described the
One monitoring response message includes itself with the communications status between the standby management node.
Wherein, the second acquisition unit 62 includes：Receiver module, for receiving the main management is directed to
Second monitoring request message of node, according to the described second monitoring request message the main management node is obtained
Working condition；Sending module, for sending second response message is monitored, and described second response message is monitored
Include itself and the communications status between the main management node, the work shape of the main management node itself
State.
Additionally, the switchback in order to ensure to realize node, further improves the seriality of business, described second obtains
Take unit 62 to be additionally operable to：Obtain the working condition of the main management node；Now, the processing unit 63,
It is additionally operable to, when the working condition of the main management node is normal, to the standby management node switching command be sent,
Itself is switched in the main management node with the data transfer between the standby management node, and with it is described
Main management node carries out data transmission.
The operation principle of the embodiment of the present invention can refer to the description of preceding method embodiment, and the device can be located at work
In making node.
As seen from the above, due to needing in embodiments of the present invention to standby management node, main management node
Working condition judged respectively, therefore, can be real in main management node using the scheme of the embodiment of the present invention
There occurs the switching carried out data transmission when failure, so as to avoid by mistake switching behaviour of the prior art
Make.Thus, ensure that the continuous operation of business using the scheme of the embodiment of the present invention.Additionally, using this
The scheme of inventive embodiments can avoid manual intervention from carrying out node switching, and switching time is short.In addition, this programme
The switchback of node is also capable of achieving, so as to further ensure that the continuous operation of business.
The above is the preferred embodiment of the present invention, it is noted that for the common skill of the art
For art personnel, on the premise of without departing from principle of the present invention, some improvements and modifications can also be made,
These improvements and modifications also should be regarded as protection scope of the present invention.
Claims (24)
1. a kind of node switching method, it is characterised in that include：
When being carried out data transmission using main management node and working node, respectively from the working node
Each monitoring node obtains the communications status between each monitoring node and standby management node；Wherein
Each monitoring node is used to be monitored the main management node, standby management node；
Determined according to the communications status between each monitoring node and the standby management node described standby
Whether the working condition of management node is normal；
If the working condition of the standby management node is normal, institute is obtained from each monitoring node respectively
State the working condition of main management node；
If the working condition exception of the main management node, by the main management node and the working node
Between data transfer be switched in the standby management node, and using the standby management node and the work
Node carries out data transmission.
2. method according to claim 1, it is characterised in that described respectively from the working node
In each monitoring node obtain communications status between each monitoring node and standby management node,
Including：
The first monitoring request message for the standby management node is sent to each monitoring node；
The first monitoring response message that each monitoring node sends is received, in the described first monitoring response
Message includes the communications status between each monitoring node and the standby management node.
3. method according to claim 1, it is characterised in that include：It is described according to each prison
The communications status surveyed between working node and the standby management node determine the work shape of the standby management node
Whether state is normal, including：
The communications status of statistics feedback are the quantity of normal monitoring node；
When the quantity is more than the first predetermined threshold value, the working condition for determining the standby management node be it is normal,
Otherwise, it determines the working condition of the standby management node is abnormal.
4. method according to claim 1, it is characterised in that if the standby management node
Working condition is normal, then from each monitoring node obtain the working condition of the main management node respectively,
Including
If the working condition of the standby management node is normal, be spaced to schedule in the given time to
Each monitoring node sends the second monitoring request message for the main management node；
The second monitoring response message that each monitoring node sends is received, in the described second monitoring response
Message includes the communications status between each monitoring node and the main management node, the supervisor
The working condition of reason node itself.
5. method according to claim 4, it is characterised in that if the main management node
Working condition exception, then be switched to institute by the data transfer between the main management node and the working node
State in standby management node, and carried out data transmission with the working node using the standby management node, including：
The second monitoring response that described each monitoring node that parsing is received within the scheduled time sends
Message；
If the second monitoring response message of the first monitoring node represents abnormal read-around ratio more than second
Predetermined threshold value, then be marked to the first monitoring node, wherein the first monitoring node
For any node in the monitoring node；
If the first labeled monitoring node meets preset requirement, by the main management node with
Data transfer between the working node is switched in the standby management node, and using the standby management section
Point carries out data transmission with the working node.
6. method according to claim 5, it is characterised in that described to first monitoring
Node be marked including：The ballot value of the first monitoring node is designated as into 1；
If the first labeled monitoring node meets preset requirement, by the main management section
Data transfer between point and the working node is switched in the standby management node, and using the standby pipe
Reason node carries out data transmission with the working node, including：
The ballot value of each first labeled monitoring node is added up；
If the accumulation result of ballot value is more than preset value, the switching command of arbitrary monitoring node is received,
Data transfer between the main management node and the working node is switched in the standby management node,
And carried out data transmission with the working node using the standby management node.
7. according to the arbitrary described method of claim 1-6, it is characterised in that methods described also includes：
Obtain the working condition of the main management node from each monitoring node respectively；
If the working condition of the main management node is normal, the switching command of arbitrary monitoring node is received,
The standby data transfer between management node and the working node is switched to according to the switching command
In the main management node, and carried out data transmission with the working node using the main management node.
8. according to the arbitrary described method of claim 1-6, it is characterised in that described respectively from described
Each monitoring node in working node is obtained between each monitoring node and standby management node
Before communications status, methods described also includes：
The working node of predetermined quantity is chosen from the working node as the monitoring node.
9. a kind of node switching method, it is characterised in that include：
When carrying out data transmission with main management node, itself is obtained and sent logical between standby management node
Letter state；
When it is determined that the working condition of the standby management node is normal, the main management node is obtained and sent
Working condition；
When it is determined that the working condition of the main management node is abnormal, sends switching to the main management node and refer to
Order, the data transfer between the main management node is switched in the standby management node, and with it is described
Standby management node carries out data transmission.
10. method according to claim 9, it is characterised in that the acquisition and send itself with it is standby
Communications status between management node include：
The first monitoring request message for the standby management node is received, is disappeared according to the described first monitoring request
Breath obtains itself with the communications status between the standby management node；
Send it is described first monitoring response message, described first monitoring response message include itself with it is described
Communications status between standby management node.
11. methods according to claim 9, it is characterised in that the acquisition simultaneously sends the supervisor
The working condition of reason node, including：
The second monitoring request message for the main management node is received, is disappeared according to the described second monitoring request
Breath obtains the working condition of the main management node；
Send second and monitor response message, include itself with the supervisor in the described second monitoring response message
Communications status between reason node, the main management node working condition of itself.
12. according to the arbitrary described method of claim 9-11, it is characterised in that methods described also includes：
Obtain the working condition of the main management node；
If the working condition of the main management node is normal, switching command is sent to the standby management node,
Itself is switched in the main management node with the data transfer between the standby management node, and with it is described
Main management node carries out data transmission.
13. a kind of node switching devices, it is characterised in that include：
First acquisition unit, for when being carried out data transmission using main management node and working node, distinguishing
Each monitoring node from the working node obtains each monitoring node with standby management node
Between communications status；Wherein described each monitoring node is used for the main management node, standby management section
The working condition of point is monitored；
First determining unit, for according to logical between each monitoring node and the standby management node
Letter state determines whether the working condition of the standby management node is normal；
Second acquisition unit, for when the working condition of the standby management node is normal, respectively from described each
Monitoring node obtains the working condition of the main management node；
Whether switch unit, the working condition for determining the main management node is normal, and in the supervisor
When the working condition of reason node is abnormal, by the data transfer between the main management node and the working node
It is switched in the standby management node, and data biography is carried out with the working node using the standby management node
It is defeated.
14. devices according to claim 13, it is characterised in that the first acquisition unit includes：
Sending module, for sending the first prison for the standby management node to each monitoring node
Control request message；
Receiver module, for receiving the first monitoring response message that each monitoring node sends, in institute
Stating the first monitoring response message includes leading between each monitoring node and the standby management node
Letter state.
15. devices according to claim 13, it is characterised in that first determining unit includes：
Statistical module, the communications status fed back for statistics are the quantity of normal monitoring node；
Determining module, for when the quantity is more than the first predetermined threshold value, determining the standby management node
Working condition is normal, otherwise, it determines the working condition of the standby management node is abnormal.
16. devices according to claim 13, it is characterised in that the second acquisition unit includes：
Sending module, for when the working condition of the standby management node is normal, in the given time according to
Predetermined time interval sends to be monitored for the second of the main management node to each monitoring node and asks
Seek message；
Receiver module, for receiving the second monitoring response message that each monitoring node sends, in institute
Stating the second monitoring response message includes leading between each monitoring node and the main management node
Letter state, the main management node working condition of itself.
17. devices according to claim 16, it is characterised in that the switch unit includes：
Parsing module, for parsing what the described each monitoring node received within the scheduled time sent
Second monitoring response message；
Mark module, represents abnormal continuous for the second monitoring response message in the first monitoring node
When number of times is more than the second predetermined threshold value, the first monitoring node is marked, wherein described first
Monitoring node is any node in the monitoring node；
Handover module, for when the first labeled monitoring node meets preset requirement, by institute
State the data transfer between main management node and the working node to be switched in the standby management node, and profit
Carried out data transmission with the working node with the standby management node.
18. devices according to claim 17, it is characterised in that the mark module is to described
Remember specifically for the ballot value by the first monitoring node when first monitoring node is marked
For 1；
The handover module is specifically for when the accumulation result of ballot value is more than preset value, receiving arbitrary prison
The switching command of working node is surveyed, the data transfer between the main management node and the working node is cut
Change in the standby management node, and carried out data transmission with the working node using the standby management node.
19. according to the arbitrary described device of claim 13-17, it is characterised in that
The second acquisition unit is additionally operable to, and obtains the main management section from each monitoring node respectively
The working condition of point；
The switch unit, is additionally operable to, when the working condition of the main management node is normal, receive arbitrary prison
The switching command of working node is surveyed, will be described for management node and the working node according to the switching command
Between data transfer be switched in the main management node, and using the main management node and the work
Node carries out data transmission.
20. according to the arbitrary described device of claim 13-17, it is characterised in that described device also includes：
Select unit, for from the working node choose predetermined quantity working node as the monitoring
Working node.
21. a kind of node switching devices, it is characterised in that include：
First acquisition unit, for when carrying out data transmission with main management node, obtaining and send itself with
Communications status between standby management node；
Second acquisition unit, for when it is determined that the working condition of the standby management node is normal, obtaining concurrent
Send the working condition of the main management node；
Processing unit, for when it is determined that the working condition of the main management node is abnormal, to the main management
Node sends switching command, and the data transfer between the main management node is switched to into the standby management section
On point, and carry out data transmission with the standby management node.
22. devices according to claim 21, it is characterised in that the first acquisition unit includes：
Receiver module, for receiving the first monitoring request message for the standby management node, according to described
First monitoring request message obtains itself with the communications status between the standby management node；
Sending module, for sending the first monitoring response message, in the described first monitoring response message
Including itself and the communications status between the standby management node.
23. devices according to claim 21, it is characterised in that the second acquisition unit includes：
Receiver module, for receiving the second monitoring request message for the main management node, according to described
Second monitoring request message obtains the working condition of the main management node；
Sending module, for sending second response message is monitored, and is included in the described second monitoring response message
Itself and the communications status between the main management node, the main management node working condition of itself.
24. according to the arbitrary described device of claim 21-23, it is characterised in that described second obtains single
Unit is additionally operable to：Obtain the working condition of the main management node；
The processing unit, is additionally operable to when the working condition of the main management node is normal, to the standby pipe
Reason node sends switching command, and itself is switched to into the master with the data transfer between the standby management node
In management node, and carry out data transmission with the main management node.
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|---|---|---|---|
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| CN107995029A (en) * | 2017-11-28 | 2018-05-04 | 紫光华山信息技术有限公司 | Elect control method and device, electoral machinery and device |
| CN108880917A (en) * | 2018-08-23 | 2018-11-23 | 华为技术有限公司 | Switching method, device and turn control separation system of control plane equipment |
| CN109242414A (en) * | 2018-08-16 | 2019-01-18 | 深圳前海启航供应链管理有限公司 | A kind of contract management system |
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| CN111404807A (en) * | 2020-03-25 | 2020-07-10 | 论客科技（广州）有限公司 | Automatic switching method and device for mail server and storage medium |
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| CN107070753A (en) * | 2017-06-15 | 2017-08-18 | 郑州云海信息技术有限公司 | A kind of data monitoring method of distributed cluster system, apparatus and system |
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| CN110440391A (en) * | 2019-08-07 | 2019-11-12 | 珠海格力电器股份有限公司 | Loop network guard method, air-conditioning system |
| CN111404807A (en) * | 2020-03-25 | 2020-07-10 | 论客科技（广州）有限公司 | Automatic switching method and device for mail server and storage medium |
| CN111404807B (en) * | 2020-03-25 | 2023-07-28 | 论客科技（广州）有限公司 | Mail server automatic switching method, device and storage medium |
| CN113497738A (en) * | 2021-05-21 | 2021-10-12 | 山东三希环保科技有限公司 | Enterprise environment-friendly monitoring data transmission method and system |
| CN113766002A (en) * | 2021-07-21 | 2021-12-07 | 深圳拓邦股份有限公司 | Battery replacement cabinet data transmission method and system for local area networking |
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