CN109508261A - A kind of electric network data node standby method and standby system based on big data - Google Patents
A kind of electric network data node standby method and standby system based on big data Download PDFInfo
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- CN109508261A CN109508261A CN201811010693.7A CN201811010693A CN109508261A CN 109508261 A CN109508261 A CN 109508261A CN 201811010693 A CN201811010693 A CN 201811010693A CN 109508261 A CN109508261 A CN 109508261A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/16—Error detection or correction of the data by redundancy in hardware
- G06F11/20—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
- G06F11/202—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where processing functionality is redundant
- G06F11/2023—Failover techniques
- G06F11/2028—Failover techniques eliminating a faulty processor or activating a spare
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/008—Reliability or availability analysis
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Abstract
The electric network data node standby method and system based on big data that the present invention relates to a kind of, the system includes primary server group and backup server group, wherein primary server group includes N number of discrete primary server, for storing data and receive client read and write access operation, and backup server group includes N number of backup server for being connected as loop network, its data for being used to back up corresponding primary server, and service is provided to client in primary server failure.The memory space of each of backup server group backup server is divided into two parts, wherein first part is used to carry out warm back-up to the primary server corresponding to it, second part is available storage section, when its adjacent backup server can not work, the operation that memory space carries out write-in data for client can be provided.
Description
Technical field
The present invention relates to the technical field of server backup, in particular to a kind of electric network data node based on big data is standby
Part method and standby system.
Background technique
With the development of power business, power consumer scale is expanded rapidly, and network system is needed using a large amount of data section
Point operates to save corresponding data so that client is written and read inquiry etc..In order to ensure the normal operation of back end, one
As back end can all be backed up.In the prior art, through frequently with mode be two-node cluster hot backup, i.e., primary server with it is standby
Part server is connected directly, backs up in realtime, once primary server breaks down, backup server is just switched at once, by backing up
Server takes over primary server and provides corresponding service, while placing under repair to primary server and the operation such as restarting, to primary server
After normal operation, and the mode of two-node cluster hot backup can be reverted to.
But in current powerline network system, primary server and backup server very likely machine having the same
Room physical location, such as go out in the same computer room, or in the different computer rooms of the same counties and cities, therefore in building environment
When showing undesirable situation, a possibility that failure simultaneously there are primary server and backup server, to the continuity of network communication
Bring significant impact.Moreover, primary server is likely to precipitate mass data access the reason of failure, this
In the case of, backup server may also fail in a short time, so that service can not be provided for client.In the prior art,
Such as in China authorization patent of invention ZL201710388516.1, provide a kind of certificate server annular escape system and side
Method realizes certification and escaping function by providing three servers, and the number of servers used is more, higher cost.
Therefore, current backup method how is improved so that electric network data node can preferably cope with extreme situation
Occur, is a technical problem that technical personnel in the field need to solve at present.
Summary of the invention
To solve the above problems, the present invention provides a kind of electric network data node standby system based on big data, special
Sign is that the system includes primary server group S={ S1,S2……SNAnd backup server group T={ T1, T2……TN, wherein
Include in primary server group S it is N number of (N is natural number, N >=2) discrete primary server S1,S2……SN, backup server
Organizing includes N number of backup server for being connected as loop network in T, wherein TiCorrespond to primary server SiBackup server, i
It is 1 to the natural number between N；Each of backup server group T backup server TiMemory space be divided into two parts L0
And L1；Each backup server TiIt safeguards a status list, has stated clearly each of each backup server in the status list
Item information.
The electric network data node standby system based on big data that the present invention also provides a kind of, which is characterized in that the system
Including primary server group S={ S1,S2……SNAnd backup server group T={ T1, T2……TN, wherein in primary server group S
Including it is N number of (N is natural number, N >=2) discrete primary server S1,S2……SN, include N number of company in backup server group T
It is connected in the backup server of star network, wherein TiCorrespond to primary server SiBackup server, i be 1 between N from
So number；Each of backup server group T backup server TiMemory space be divided into two parts L0And L1；Star network
Center be a network controller, be connected with each backup server, the network controller safeguard a status list, the shape
The every terms of information of each backup server has been stated clearly in state list.
The present invention also provides the electric network data node standby methods accordingly based on big data, wherein according to the present invention
In a first aspect, this method includes, step S100 judges primary server SiWhether work normally, if worked normally, terminates stream
Journey；If can not work normally, it is switched to primary server SiCorresponding backup server Ti, by TiClient is taken
Business；
Step S200 judges backup server TiWhether work normally, if worked normally, terminates process；If can not
It works normally, is then determined according to the information in status list by its adjacent backup server Ti+1And/or Ti-1To client into
Row service；
Wherein, each backup server passes through the information in the loop network real-time update status list.
Step S300, real-time detection backup server Ti+1And/or Ti-1Whether work normally, if worked normally, terminates
Process；If at least one in the two can not work normally, step S200 is repeated.
Step S400, when primary server restores normal, from each backup server to primary server write back data.
According to the second aspect of the invention, this method includes that step S100 judges primary server SiWhether work normally,
If worked normally, terminate process；If can not work normally, it is switched to primary server SiCorresponding backup server Ti,
By TiClient is serviced；
Step S200 judges backup server TiWhether work normally, if worked normally, terminates process；If can not
It works normally, then under the control of network controller, is determined according to the information in status list by other available backup services
Device provides service to client；
Wherein, network controller passes through the information in star network real-time update status list.
Whether step S300, real-time detection backup server currently in use work normally, if worked normally, terminate stream
Journey；If wherein at least one can not work normally, step S200 is repeated.
Step S400, when primary server restores normal, from each backup server to primary server write back data.
This electric network data node standby method and system based on big data through the invention, can not increase it is standby
Under the premise of part number of servers, extreme situation in significantly more efficient reply network, and relatively reliable backup scenario is provided.
Detailed description of the invention
Fig. 1 is the schematic knot of the electric network data node standby system based on big data according to the first aspect of the invention
Composition；
Fig. 2 is the schematic knot of the electric network data node standby system based on big data according to the second aspect of the invention
Composition.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, the present invention will be made further in conjunction with attached drawing
Detailed description.This description is to describe specific implementation consistent with the principles of the present invention by way of example, and not limitation
Mode, the description of these embodiments is detailed enough, so that those skilled in the art can practice the present invention, is not being taken off
Other embodiments can be used in the case where from scope and spirit of the present invention and can change and/or replace each element
Structure.Therefore, the following detailed description should not be understood from restrictive sense.
As shown in Figure 1, according to the first aspect of the invention, providing a kind of electric network data node standby based on big data
Method and standby system, the standby system include primary server group S={ S1,S2……SNAnd backup server group T={ T1,
T2……TN, wherein include in primary server group S it is N number of (N is natural number, N >=2) discrete primary server S1,S2……
SN, for storing data and receive the read and write access operation of client, and include N number of being connected as annular in backup server group T
The backup server of network is used to back up the data of corresponding primary server, and mentions in primary server failure to client
For service, wherein TiCorrespond to primary server SiBackup server, i is 1 to the natural number between N.
In schematic diagram shown in Fig. 1, each of backup server group T backup server TiStorage it is empty
Between can be divided into two parts, wherein first part is used for the primary server S corresponding to itiCarry out warm back-up, second part
For available storage section, in its adjacent backup server Ti-1Or Ti+1When can not work, memory space confession can be provided
Client carries out the operation of write-in data.To reach this purpose, each backup server TiSafeguard a status list, it should
The every terms of information of each backup server has been stated clearly in status list, including but not limited to, the ID of each backup server, each
The current state of backup server, first part's memory space of each backup server, second of each backup server
Divide memory space, the mean free error time (MTBF) of each backup server, each backup server TiIt is taken to adjacent backup
Be engaged in device Ti-1And Ti+1Network attachment time etc..It will be understood to those skilled in the art that any for characterizing backup services
The state of device and the parameter of connectivity can be safeguarded in the status list.Each backup server passes through loop network reality
The Shi Gengxin status list.
According to the first aspect of the invention, in schematic diagram as shown in Figure 1, entire standby system executes as follows
Backup method: backup server TiMemory space be divided into L0And L1Two parts；Primary server S in primary server group SiWith
Backup server T in backup server group TiIt corresponds and carries out warm back-up, which is stored in backup server TiL0
In region；Once some primary server SiFailure can not service, then by its corresponding backup server TiIt is provided to client
Service；Primary server SiDuring failure, once corresponding backup server TiAlso it breaks down, then by the backup server
TiAdjacent backup server Ti-1And/or Ti+1The memory space L of write-in data is provided to client1.It can be according to described previously
Characterization backup server state and the parameter of connectivity to select be by Ti-1Or Ti+1In one or two provide
Memory space L1.Specifically, according to the parameter detecting T in status listi-1And/or Ti+1L1 in whether be stored with number
According to selecting what another did not had a storing data to provide memory space if be stored with data in the L1 of some；If
The two, can be by L in the two without storing data1Region is biggish, and that is empty to provide storage for client write-in data
Between, or by mean free error time MTBF in the two it is longer that come provide for client write-in data memory space,
Or memory space for client write-in data is provided by shorter that of network attachment time in the two；If the two is equal
Data are stored with, then according to the two L1The size in region comes as the two according to the sky of storage needed for the ratio shared
Between etc..
The case where according to occurring in reality, it may be considered that the more situation of the limit, that is, providing the standby of memory space
Part server Ti-1And/or Ti+1At least one of processing method when breaking down.In the case, need to only continue to repeat to hold
Problem can be solved in the step of selection backup server of the row foregoing description.That is, due to specifying certain in status list
Backup server current state (whether providing service, if work normally etc.), and the status list be in real time more
It is new, thus only need to when the backup server can not work, operation before continuing to repeat can according to same standard from its
It is selected in remaining backup server.Primary server and its corresponding backup server again can be used when, substitute they into
The data being associated with stored should be write back to primary server and its corresponding backup by the backup server of row service
In server.
It since different backup servers is located at different counties and cities, is spaced in physical distance, computer room condition is not yet
Identical to the greatest extent, server brand and performance used by the backup server of different counties and cities are also different, while breaking down
Probability is extremely low, therefore, can be effective to solve under the premise of not increasing backup server using this backup method of the invention
Certainly in primary server and backup server simultaneous faults the problem of electric network data communication disruption.
As shown in Fig. 2, according to the second aspect of the invention, providing a kind of electric network data node standby based on big data
Method and standby system, the standby system include primary server group S={ S1,S2……SNAnd backup server group T={ T1,
T2……TN, wherein include in primary server group S it is N number of (N is natural number, N >=2) discrete primary server S1,S2……
SN, for storing data and receive the read and write access operation of client, and include N number of being connected as star in backup server group T
The backup server of network is used to back up the data of corresponding primary server, and mentions in primary server failure to client
For service, wherein TiCorrespond to primary server SiBackup server, i is 1 to the natural number between N.The center of star network
It is a network controller, is used to safeguard a status list, has stated clearly each of each backup server in the status list
Item information, including but not limited to, the ID of each backup server, the current state of each backup server, each backup services
First part's memory space of device, the second part memory space of each backup server, the average nothing of each backup server
Fault time (MTBF), each backup server TiTo other backup servers TjNetwork attachment time etc..The skill of this field
Art personnel are appreciated that the parameter of any state and connectivity for characterizing backup server can be in the status list
Middle maintenance.Network controller is according to the communication condition with each backup server, the real-time update status list.The skill of this field
Art personnel understand, which can be realized in the form of server.
According to the second aspect of the invention, in schematic diagram as shown in Figure 2, entire standby system executes as follows
Backup method: backup server TiMemory space be divided into L0And L1Two parts；Primary server S in primary server group SiWith
Backup server T in backup server group TiIt corresponds and carries out warm back-up, which is stored in backup server TiL0
In region；Once some primary server SiFailure can not service, then by its corresponding backup server TiIt is provided to client
Service；Primary server SiDuring failure, once corresponding backup server TiAlso it breaks down, then in network controller
Under control, the memory space L of write-in data is provided from other backup servers to client1.It can be according to previously described table
Sign backup server state and connectivity parameter come select be by which backup server or which backup server Lai
Memory space L is provided1.Specifically, can be by L in all backup servers that can be worked normally1Region it is biggish that come
The memory space for client write-in data is provided, or by Mean in all backup servers that can be worked normally
Time MTBF it is longer that come provide for client write-in data memory space, or by it is all can work normally it is standby
That that network attachment time is shorter in part server provides the memory space for client write-in data.In order to enable one
Backup server does not undertake excessive data traffic, and network controller can also be determined according to certain algorithm and be taken by multiple backups
Business device provides the memory space for client write-in data.For example, network controller can determine fixed number according to status list
The backup server of amount provides memory space, and the foundation determined can be L1The size of memory space, mean free error time
The duration of MTBF, length of network attachment time etc..For example, network controller is according to the parameter selection L in status list1It deposits
It stores up the maximum M backup server in space and service, or the selection longest M backup services of mean free error time MTBF is provided
Device, or the selection shortest M backup server of network attachment time.In order to enable the overall load of network is smaller and safely may be used
Control, the preferred value of M is 2 or 3.Network controller can also determine all backup clothes for meeting preset threshold according to status list
Business device provides memory space, for example, network controller determines all L1Backup server greater than 500TB provides memory space,
Perhaps determine that all mean free error time provide memory space greater than 100,000 hours backup servers or determine all nets
The network Connection Time provides memory space less than the backup server of 50 microseconds.
In the above-mentioned methods, network controller is in the status of center adjustment control, passes through with each backup server
Network is connected, and passes through the information of network real-time update status list.Each backup server can be by network between any two
All interconnection, can also for the needs of save the cost, only between adjacent backup server interconnection or each backup services
Device is arbitrarily interconnected in the case where guarantee is at least connected with other backup servers of other two.
Similarly, consider the situation of the more limit, that is, in the M backup server that memory space is provided extremely
Few one processing method when breaking down.In the case, only need to continue to repeat the selection backup services of the foregoing description
Problem can be solved in the step of device.That is, due to specifying certain backup services in the status list of network controller maintenance
The current state (whether providing service, if normal work etc.) of device, and the status list is real-time update, so
Only need to be when the backup server can not work, the operation before continuing to repeat can take according to same standard from remaining backup
It is selected in business device.So, the quantity of the backup server for the service that provides can be remained to M, until standby
Until available backup server quantity is less than M in part server group T.And according to common sense, such case substantially can not
Can occur, or before this, primary server and other backup servers have been fixed or restarted, and are capable of providing normal service
?.When primary server and its corresponding backup server can be used again, substituting backup server that they are serviced should
The data being associated with stored are write back in primary server and its corresponding backup server.
Method disclosed by the invention includes the one or more steps for realizing the object of the invention, and method and step can be each other
It is exchanged with each other without leaving the scope of the present invention.In other words, unless the step of normal operating of embodiment needs particular order,
The sequence that specific steps can be modified, the range without leaving spirit of that invention.Although the present invention essentially describes specific implementation
Example and application, but it will be understood by those skilled in the art that the present invention is not limited thereto.Disclosed method and system according to the present invention,
Various modifications apparent for those skilled in the art, variation and change are all without departing from the spirit and scope of the present invention.
Claims (10)
1. a kind of electric network data node standby system based on big data, which is characterized in that the system includes primary server group S=
{S1,S2……SNAnd backup server group T={ T1, T2……TN, wherein in primary server group S include it is N number of (N is natural number,
N >=2) discrete primary server S1,S2……SN, include N number of backup for being connected as loop network in backup server group T
Server, wherein TiCorrespond to primary server SiBackup server, i is 1 to the natural number between N；Backup server group T
Each of backup server TiMemory space be divided into two parts L0And L1；Each backup server TiMaintenance one
A status list has stated clearly the every terms of information of each backup server in the status list.
2. standby system according to claim 1, which is characterized in that the every terms of information packet of each backup server
The ID of each backup server, the current state of each backup server are included, the first part of each backup server stores empty
Between L0, the second part memory space L of each backup server1, the mean free error time (MTBF) of each backup server,
Each backup server TiTo adjacent backup server Ti-1And Ti+1Network attachment time.
3. a kind of use the electric network data node standby method based on big data as claimed in claim 2, it is characterised in that packet
Include following steps:
Step S100 judges primary server SiWhether work normally, if worked normally, terminates process；If can not normal work
Make, is then switched to primary server SiCorresponding backup server Ti, by TiClient is serviced；
Step S200 judges backup server TiWhether work normally, if worked normally, terminates process；If can not normal work
Make, is then determined according to the information in status list by its adjacent backup server Ti+1And/or Ti-1Client is serviced；
Wherein, each backup server passes through the information in the loop network real-time update status list.
Step S300, real-time detection backup server Ti+1And/or Ti-1Whether work normally, if worked normally, terminates process；
If at least one in the two can not work normally, step S200 is repeated.
4. backup method according to claim 3, which is characterized in that further include step S400, when primary server restores just
Chang Shi, from each backup server to primary server write back data.
5. backup method according to claim 3 or 4, which is characterized in that determined according to the information in status list by it
Adjacent backup server Ti+1And/or Ti-1Carrying out service to client includes, according to the parameter detecting T in status listi-1
And/or Ti+1L1 in whether be stored with data, if being stored with data in the L1 of some, another is selected not have
Have storing data provides service；If the two is without storing data, by L in the two1Region the greater provides service,
Perhaps by mean free error time MTBF in the two service is provided compared with elder or by network attachment time shorter one in the two
To provide service；If the two is stored with data, according to Ti+1And Ti-1The two L1The size in region comes by the two
Service is provided jointly according to the ratio.
6. a kind of electric network data node standby system based on big data, which is characterized in that the system includes primary server group S=
{S1,S2……SNAnd backup server group T={ T1, T2……TN, wherein in primary server group S include it is N number of (N is natural number,
N >=2) discrete primary server S1,S2……SN, include N number of backup for being connected as star network in backup server group T
Server, wherein TiCorrespond to primary server SiBackup server, i is 1 to the natural number between N；Backup server group T
Each of backup server TiMemory space be divided into two parts L0And L1；The center of star network is a network-control
Device is connected with each backup server, which safeguards a status list, has stated clearly in the status list each
The every terms of information of backup server.
7. standby system according to claim 6, which is characterized in that the every terms of information packet of each backup server
The ID of each backup server, the current state of each backup server are included, the first part of each backup server stores empty
Between L0, the second part memory space L of each backup server1, the mean free error time (MTBF) of each backup server,
Each backup server TiTo other available backup server TjNetwork attachment time.
8. a kind of use the electric network data node standby method based on big data as claimed in claim 6, it is characterised in that packet
Include following steps:
Step S100 judges primary server SiWhether work normally, if worked normally, terminates process；If can not normal work
Make, is then switched to primary server SiCorresponding backup server Ti, by TiClient is serviced；
Step S200 judges backup server TiWhether work normally, if worked normally, terminates process；If can not normal work
Make, then under the control of network controller, is determined according to the information in status list from other available backup servers to visitor
Family end provides service；
Wherein, network controller passes through the information in star network real-time update status list.
Whether step S300, real-time detection backup server currently in use work normally, if worked normally, terminate process；
If wherein at least one can not work normally, step S200 is repeated.
9. backup method according to claim 8, which is characterized in that further include step S400, when primary server restores just
Chang Shi, from each backup server to primary server write back data.
10. backup method according to claim 8 or claim 9, which is characterized in that it is described under the control of network controller,
It is determined according to the information in status list from other available backup servers to client and service is provided, including, network-control
Device is according to L1The size of memory space, the duration of mean free error time MTBF, the length of network attachment time determine M backup
Server providing services, the preferred value of M are 2 or 3；Or including network controller is according to L1The size of memory space is averaged
The duration of failure free time MTBF, the length of network attachment time determine that all backup servers for meeting preset threshold provide clothes
Business.
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| CN111104266A (en) * | 2019-12-23 | 2020-05-05 | 北京大米科技有限公司 | Access resource allocation method and device, storage medium and electronic equipment |
| CN113572837A (en) * | 2021-07-22 | 2021-10-29 | 南方电网数字电网研究院有限公司 | Power grid monitoring system data processing service scheduling method based on fragmentation technology |
| CN113778744A (en) * | 2021-01-05 | 2021-12-10 | 北京沃东天骏信息技术有限公司 | Task processing method, device, system and storage medium |
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| CN206498429U (en) * | 2016-11-11 | 2017-09-15 | 中华通信系统有限责任公司 | A kind of Core server group network system based on distributed heterogeneous network |
| CN107066355A (en) * | 2017-05-15 | 2017-08-18 | 郑州云海信息技术有限公司 | The backup server system and its building method of a kind of High Availabitity |
| CN108089946A (en) * | 2017-12-15 | 2018-05-29 | 安徽长泰信息安全服务有限公司 | A kind of multinode Fast incremental backup method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111104266A (en) * | 2019-12-23 | 2020-05-05 | 北京大米科技有限公司 | Access resource allocation method and device, storage medium and electronic equipment |
| CN113778744A (en) * | 2021-01-05 | 2021-12-10 | 北京沃东天骏信息技术有限公司 | Task processing method, device, system and storage medium |
| CN113572837A (en) * | 2021-07-22 | 2021-10-29 | 南方电网数字电网研究院有限公司 | Power grid monitoring system data processing service scheduling method based on fragmentation technology |
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