CN1747347A - Duplication of distributed configuration database system - Google Patents
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Abstract
The method includes following steps: units in standby aggregation are set and started; when the units above work normally, the units in standby aggregation backup the data in units in main aggregation. The process of backup is: units in standby aggregation records the distributing unit initialized by units in main aggregation; when the units in main aggregation make data synchronization, the units in standby aggregation record the changed configuration data; when units in main aggregation have failure, the units in standby aggregation become as present unit in main aggregation, and come to normal operation base on the recorded configuration data above.
Description
Technical field
The present invention relates to the configuration data memory technology of equipment in the communications field, particularly relate to a kind of backup method of decentralized configuration Database Systems.
Background technology
Usually, communication equipment is made of polytype functional module, and different functional modules realizes different business functions.Wherein, some module provides business function in communication equipment, and the business module business module of TDM time slot (as provide) is provided; And some module does not provide professional, and provides the function of the operation of management entire equipment, is called as main control module.Main control module can be used for the startup of other business module in the control appliance and operation etc.
As basis communication device initiated, operation, configuration data is indispensable for communication equipment.Business module that configuration data is used to comprise in the configuration-system and the type of service that provides, as add certain type veneer, configuration time slot and link etc.
In the prior art, communication equipment is preserved and the administration configuration data by realizing small-sized decentralized configuration Database Systems.Can preserve static configuration data in the configuration database (CDB, Configuration DataBase), as the veneer that adds, type of service etc., these added at the equipment operation initial stage; Also comprise dynamic data, in the middle of equipment operation, change automatically, as: total time slot is 100, gets through several phones now and just will take several time slots, and the number of time slots that can also provide is along with the phone quantity dynamic change of getting through so now.
See also Fig. 1, comprise two types unit in the decentralized configuration Database Systems: configuration data is concentrated unit 110, configuration data distribution unit 120.Wherein, configuration data concentrates unit 110 distributions (operation in other words) on main control module, to comprise all configuration datas of whole system; And configuration data distribution unit 120 is distributed on the business module, only comprises the part configuration data relevant with this business module.Configuration data on the configuration data distribution unit 120 adopts " drawing " pattern to concentrate unit 110 to obtain from configuration data when this distribution unit initial start; When these distribution unit 120 normal operations, adopt " pushing away " pattern to concentrate unit 110 initiatively to carry out synchronously by configuration data.
Whether the configuration database system stable, and can provide stable, reliable, unbroken business service for communication equipment be vital.And owing to the centralized unit of configuration database system is distributed on the main control module, the configuration data that saved system is all, be responsible for when business module starts the distribution unit initialization, providing configuration data, when configuration data changes, be responsible for variation is synchronized to distribution unit, so the stable long journey of main control module is the basis of the whole configuration database of assurance system operate as normal.
But two kinds of situations can cause main control module normally not move below in the communication equipment running: first kind, communication equipment running main control module breaks down; Second kind, need upgrade main control module during the communication equipment edition upgrading.
In order to guarantee the operate as normal of whole configuration database system, need be configured data backup.It is 02117709.0 Chinese invention patent application that the method for a kind of existing techniques in realizing main control module backup can be consulted on November 26th, 2003 disclosed, application number.This method comprises: master control borad and standby plate are set; The data of master control borad are copied on the standby plate; When carrying out active and standby switching, standby plate rises to master control borad automatically, data are carried out smoothing processing after, enter normal operating condition.
But, the prior art part that comes with some shortcomings: if when the configuration data distribution unit carries out initialization main control module (master control borad) fault or reset, because configuration data concentrates the unit simultaneously can not operate as normal, can not handle the request of the acquisition configuration data of other configuration data distribution unit transmission this moment, the initialization of so just having blocked the configuration data distribution unit causes business module not start; In addition, if concentrate when carrying out data sync between unit and the configuration data distribution unit main control module fault or reset at configuration data, change to guarantee to finish synchronously for the configuration data that taken place, will cause the inconsistent of the configuration data on each unit in the whole configuration database system like this to all configuration data distribution units.
Summary of the invention
The technical problem that the present invention solves is to provide a kind of backup method of decentralized configuration Database Systems, realizes stablizing and consistency of configuration data in the time of can or resetting in the main control module fault.
For this reason, the technical scheme of technical solution problem of the present invention is: a kind of backup method of decentralized configuration Database Systems is provided, comprises step:
1) is provided with and starts standby centralized unit;
2) when the master uses the centralized unit operate as normal, described standby centralized unit backs up with the configuration data in the centralized unit main;
3) when the master was not normal with centralized unit work, standby centralized unit was upgraded to current master and uses centralized unit, enters normal operating condition according to the aforementioned arrangements data;
Wherein, described step 2) further comprise:
21) the main initialized distribution unit of handling with centralized unit of unit record in the trim set;
22) when the master carries out the data sync operation with centralized unit, the configuration data that unit record changes in the trim set;
In the described step 3), standby centralized unit is according to step 21) in just be recorded as and provide configuration data at initialized distribution unit; Standby centralized unit is according to step 22) in record the configuration data that changes is synchronized to distribution unit.
Preferably, described step 21) specifically comprise:
The configuration data distribution unit sends login request message to the configuration data master with centralized unit;
The configuration data master resolves this login request message with centralized unit; Send registration notification message to the standby centralized unit of configuration data;
The described registration notification request message of unit resolves in the configuration data trim set, the state that writes down corresponding distribution unit tables of data attribute information and distribution unit is an init state, responds the registration notification response message to the configuration data master with centralized unit;
After the registration notification that the configuration data master receives the configuration data stand-by unit with centralized unit is receiveed the response, be configured the data sync of data distribution unit;
After the initialization of configuration data distribution unit was finished, the configuration data master sent the synchronous end notification message of tables of data of corresponding distribution unit for the standby centralized unit of configuration data with centralized unit;
The standby centralized unit of configuration data receives after the synchronous end notification message of tables of data, is done state with the corresponding distribution unit starting state of amendment record; Send tables of data end notification response message for the standby centralized unit of configurable number.
Preferably, the record described step 22) specifically comprises:
The master carries out data manipulation with centralized unit;
The main centralized unit of using sends the data sync operation information to standby centralized unit;
The described data sync operation information of unit resolves in the trim set operates in the also record data operation that self comes into force with aforementioned data; Send data sync operation acknowledge message to main with centralized unit;
The master is synchronized to distribution unit with centralized unit with configuration data;
After data sync was finished, the main transmission to standby centralized unit with centralized unit deleted the Backup Data operation information;
The described deletion Backup Data of unit resolves operation information in the trim set, the data manipulation of deletion record sends deletion Backup Data response message to main with centralized unit.
Preferably, be upgraded to current master in the described step 3) and be specially with centralized unit: the master notifies standby centralized unit with centralized unit, and discharges the main identification code of using; Standby centralized unit is revised as the main identification code of using with the self identification sign indicating number.
Preferably, in the described step 1), standby centralized unit is arranged on standby control module or business module.
Preferably, also comprise: after the master resets with centralized unit, restart as unit in the current trim set.
With respect to prior art, the invention has the beneficial effects as follows: at first, because the present invention adds configuration data and is used centralized unit in Database Systems, can be when the master uses the centralized unit fault, be upgraded to the master and continue to provide database function with the unit, less to the existed system change, it is convenient to realize; When needs carry out edition upgrading to main control module, can not cause interruption to business.Secondly, since the present invention in the distribution unit initialization procedure by standby centralized unit real time record, if the master is with the centralized unit fault or reset during the distribution unit initialization, also can be upgraded to the current main centralized unit of using by standby centralized unit, the result finishes the initialization of distribution unit according to record, realizes that business module normally starts; Because the present invention is write down the configuration data that changes with centralized unit when data sync is operated, lead with the centralized unit fault at this moment or reset even can guarantee, also can at utmost guarantee the consistency of entire database system by standby centralized unit according to writing down the data sync that the result finishes all distribution units.
In addition, in Database Systems, increase standby centralized unit, only need when distribution unit register requirement configuration data and initialization end, increase by twice notice, the backup the startup stage that the distribution unit attribute of backup initialization and state being finished distribution unit; When configuration data changes, increase back-up processing and to the intact synchronously data manipulation of all distribution units the time, increase and once cancel back-up processing, realize the backup of data manipulation, do not need original flow process is made amendment, realize simple.That is to say that the processing of the processing after increasing the standby centralized unit of configuration data during with no standby centralized unit adopts unified flow process to carry out, and is convenient to the program realization.
Description of drawings
Fig. 1 is the block diagram of the configuration database system of prior art;
Fig. 2 is the block diagram of decentralized configuration Database Systems of the present invention;
Fig. 3 is the flow chart of backup configuration database of the present invention;
Fig. 4 is the startup process chart of configuration data distribution unit among the present invention;
Fig. 5 is the data synchronization processing flow chart that the configuration data master uses centralized unit among the present invention.
Embodiment
The present invention can realize the normal initialization of configuration data distribution unit and the normal startup of business module when main control module breaks down or reset, guarantee the consistency of configuration data in the whole decentralized configuration Database Systems simultaneously.The present invention increases the standby centralized unit of configuration data in the configuration database system, concentrating the unit when original configuration data breaks down, in the time of can not providing database function, provide database function by this standby centralized unit, so neither influence the initialization of configuration data distribution unit and the startup of business module, also can guarantee to concentrate the unit variation that configuration data took place before with fault after breaking down to be synchronized on all configuration data distribution units, guarantee the consistency of configuration data in the whole configuration database system at original configuration data.
Seeing also Fig. 2, is the block diagram of decentralized configuration Database Systems of the present invention.Described decentralized configuration Database Systems comprise that configuration data distribution unit 210, configuration data master use centralized unit 220 and the standby centralized unit 230 of configuration data; Described configuration data distribution unit 210 can carry out communication with centralized unit 220 and the standby centralized unit 230 of configuration data with the configuration data master, and the configuration data master uses communication mutually between centralized unit 220 and the standby centralized unit 230 of configuration data.
Wherein, configuration data distribution unit 210 is present on the business module, the configuration data master is present on the main control module with centralized unit 220, and the standby centralized unit 230 of configuration data is present on the non-main control module, and described non-main control module can be standby control module or business module.Described configuration data master is that original configuration data is concentrated the unit with centralized unit 220, and the standby centralized unit 230 of described configuration data is unit that the present invention increases newly.
Each unit includes message sink and handles subelement and message constructing transmission subelement, wherein, message sink is handled subelement and is used to receive from the message of other unit and handles the generation result, and message constructing sends subelement and is used for constructing information and sending to other unit according to the aforementioned processing result.
See also Fig. 3, when the configuration data master used centralized unit 220 operate as normal, 230 pairs of various configuration datas of the standby centralized unit of configuration data backed up, and did not participate in control this moment; When the configuration data master breaks down with centralized unit 220, the standby centralized unit 230 of configuration data will rise to current configuration data master automatically and use centralized unit, and database function is provided.
Among the present invention, so-called configuration data is backed up comprises:
(1) the initialized distribution unit 210 handled with centralized unit 230 of recording configuration data owner.Like this main reset with centralized unit 230 or fault after, standby centralized unit 220 can provide configuration data to carrying out initialized distribution unit 210, the normal startup of assurance business module according to record at that time.
(2) after configuration data changes, the configuration data that record changes.Like this main reset with centralized unit 220 or fault after, standby centralized unit 230 is upgraded to the current main centralized unit of using, the configuration data that changes of record is synchronized to all distribution units 210 again, guarantees the consistency of the configuration data of all unit in the configuration database system.
The flow process of the standby centralized unit 230 backup configuration data of configuration data when 210 startups of configuration data distribution unit, configuration data master use centralized unit 220 initiation data manipulations synchronous is described respectively below.
What is called rises to the configuration data master and is meant with centralized unit: when the configuration data master breaks down with centralized unit 220, can notify standby centralized unit 230, in system, revise the identity of standby centralized unit 230, so still exist one can provide the master of database function to use centralized unit in the system.In system, each unit is discerned identity mutually by identification code.For example, the configuration data master is " 1 " with the identification code of centralized unit, and the configuration data master is " 2 " with the identification code of centralized unit, and the identification code of configuration data distribution unit is for adopting other symbol; The configuration data distribution unit carries out the configuration data master of identification code for " 1 " communication and accepts control with centralized unit.Therefore, when the master breaks down with centralized unit 220, can discharge the master and use identification code, and notify standby centralized unit 230; When standby centralized unit 230 receives the main failure message that sends with centralized unit 220, be revised as self identification code main with identification code " 1 ".
After original main fault with centralized unit resetted, this master who resets restarted with centralized unit, but was the identity startup with standby centralized unit at this moment, became standby centralized unit, used centralized unit in order to back up current master.
See also Fig. 4, the configuration data distribution unit starts handling process and comprises step:
(1) configuration data distribution unit 210 is registered with centralized unit 220 to the configuration data master, and reports this business module tables of data attribute, the main tables of data attribute synchrodata that reports with centralized unit 220 bases of request;
(2) the configuration data master receives login request message with centralized unit 220, writes down this business module tables of data attribute information;
(3) the configuration data master according to the login request message that receives, the distribution unit attribute of additional request configuration data is configured to registration notification message with centralized unit 220;
(4) the configuration data master sends to the standby centralized unit 230 of configuration data with centralized unit 220 with registration notification message;
(5) the standby centralized unit 230 of configuration data receives the registration notification request message, and the state that writes down corresponding distribution unit tables of data attribute information and distribution unit is an init state, constructs receiveing the response of registration notification;
(6) the standby centralized unit 230 of configuration data is responded the registration notification response message to the configuration data master with centralized unit 220;
(7) after the configuration data master registration notification that receives configuration data stand-by unit 230 with centralized unit 220 was receiveed the response, structure was given the response message of configuration data distribution unit 210, and sends to the configuration data distribution unit 210 of registration.
(8) the configuration data master sends to configuration data distribution unit 210 with centralized unit 220 with the tables of data recording messages;
(9) configuration data distribution unit 210 receives data in synchronization table record message, comes into force on distribution unit according to the tables of data attribute; The structure response message;
(10) configuration data distribution unit 210 sends response message and uses centralized unit 220 to the configuration data master;
Do not finish synchronously as if these configuration data distribution unit 210 tables of data, then repeating step (8)～(10);
(11) the configuration data master sends the synchronous end of tables of data with centralized unit 220 to configuration data distribution unit 210;
(12) configuration data distribution unit 210 receives the synchronous end of tables of data, finishes the initialization of this unit, and structure is receiveed the response;
(13) configuration data distribution unit 210 sends tables of data with the EOS response message to the configuration data master with centralized unit 220;
(14) the configuration data master sends the synchronous end notification message of tables of data of corresponding distribution unit for the standby centralized unit 230 of configuration data with centralized unit 220;
(15) the standby centralized unit 230 of configuration data receives after the synchronous end notification message of tables of data, is done state with the corresponding distribution unit starting state of amendment record; Structure is receiveed the response;
(16) the standby centralized unit 230 of configuration data sends tables of data end notification response message for the standby centralized unit 220 of configurable number.
See also Fig. 5, the configuration data master initiates the data manipulation handling process with centralized unit and comprises step:
(1) the configuration data master is with carrying out data manipulation (comprising that data increase, delete, revise, inquire about) on the centralized unit 220;
(2) the configuration data master operates the synchronization message bag with centralized unit 220 construction datas;
(3) the configuration data master sends data manipulation synchronization message bag with centralized unit 220 to the standby centralized unit 230 of configuration data;
(4) the standby centralized unit 230 of configuration data receives data manipulation synchronization message bag, and this data manipulation is come into force in this unit; And minute book secondary data operation;
(5) the standby centralized unit 230 of configuration data sends data manipulation syn ack message to the configuration data master with centralized unit 220;
(6) the configuration data master operates the synchronization message bag with centralized unit 220 construction datas;
(7) the configuration data master sends data manipulation synchronization message bag with centralized unit 220 to configuration data distribution unit 210;
(8) configuration data distribution unit 210 comes into force this data manipulation in this unit; Construct the bag of receiveing the response;
(9) configuration data distribution unit 210 sends data manipulation syn ack message to the configuration data master with centralized unit 220;
If a plurality of configuration data distribution units then need repeat (6)～(9), please obtain response message up to being sent completely the data manipulation synchronization message to all distribution units;
(10) the configuration data master after the 210 synchronously intact data manipulations of all configuration data distribution units, deletes this data manipulation with centralized unit 220, and the message bag of structure deletion Backup Data operation;
(11) the configuration data master sends deletion Backup Data operation information with centralized unit 220 to the standby centralized unit 230 of configuration data;
(12) the standby centralized unit 230 of configuration data receives after the deletion Backup Data operational notification message, and with the corresponding data operation deletion of this unit backup, and structure is receiveed the response;
(13) the standby centralized unit 230 of configuration data sends deletion Backup Data response message to the configuration data master with centralized unit 220.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (6)
1. the backup method of decentralized configuration Database Systems comprises step:
1) is provided with and starts standby centralized unit;
2) when the master uses the centralized unit operate as normal, described standby centralized unit backs up with the configuration data in the centralized unit main;
3) when the master was not normal with centralized unit work, standby centralized unit was upgraded to current master and uses centralized unit, enters normal operating condition according to the aforementioned arrangements data;
It is characterized in that described step 2) further comprise:
21) the main initialized distribution unit of handling with centralized unit of unit record in the trim set;
22) when the master carries out the data sync operation with centralized unit, the configuration data that unit record changes in the trim set;
In the described step 3), standby centralized unit is according to step 21) in just be recorded as and provide configuration data at initialized distribution unit; Standby centralized unit is according to step 22) in record the configuration data that changes is synchronized to distribution unit.
2. the backup method of decentralized configuration Database Systems according to claim 1 is characterized in that, described step 21) specifically comprise:
The configuration data distribution unit sends login request message to the configuration data master with centralized unit;
The configuration data master resolves this login request message with centralized unit; Send registration notification message to the standby centralized unit of configuration data;
The described registration notification request message of unit resolves in the configuration data trim set, the state that writes down corresponding distribution unit tables of data attribute information and distribution unit is an init state, responds the registration notification response message to the configuration data master with centralized unit;
After the registration notification that the configuration data master receives the configuration data stand-by unit with centralized unit is receiveed the response, be configured the data sync of data distribution unit;
After the initialization of configuration data distribution unit was finished, the configuration data master sent the synchronous end notification message of tables of data of corresponding distribution unit for the standby centralized unit of configuration data with centralized unit;
The standby centralized unit of configuration data receives after the synchronous end notification message of tables of data, is done state with the corresponding distribution unit starting state of amendment record; Send tables of data end notification response message for the standby centralized unit of configurable number.
3. the backup method of decentralized configuration Database Systems according to claim 1 is characterized in that, described step 22) in record specifically comprise:
The master carries out data manipulation with centralized unit;
The main centralized unit of using sends the data sync operation information to standby centralized unit;
The described data sync operation information of unit resolves in the trim set operates in the also record data operation that self comes into force with aforementioned data; Send data sync operation acknowledge message to main with centralized unit;
The master is synchronized to distribution unit with centralized unit with configuration data;
After data sync was finished, the main transmission to standby centralized unit with centralized unit deleted the Backup Data operation information;
The described deletion Backup Data of unit resolves operation information in the trim set, the data manipulation of deletion record sends deletion Backup Data response message to main with centralized unit.
4. according to the backup method of each described decentralized configuration Database Systems of claim 1 to 3, it is characterized in that, be upgraded to current master in the described step 3) and be specially with centralized unit: the master notifies standby centralized unit with centralized unit, and discharges the main identification code of using; Standby centralized unit is revised as the main identification code of using with the self identification sign indicating number.
5. according to the backup method of each described decentralized configuration Database Systems of claim 1 to 3, it is characterized in that, in the described step 1), standby centralized unit is arranged on standby control module or business module.
6. according to the backup method of each described decentralized configuration Database Systems of claim 1 to 3, it is characterized in that, also comprise: after the master resets with centralized unit, restart as unit in the current trim set.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1968075B (en) * | 2006-05-23 | 2010-05-12 | 华为技术有限公司 | Distributed hot-standby logic device and primary/standby board setting method |
| CN102662793A (en) * | 2012-03-07 | 2012-09-12 | 江苏引跑网络科技有限公司 | Hot backup and recovery method of distributed database with guarantee of data consistency |
| CN102737088A (en) * | 2011-03-18 | 2012-10-17 | 微软公司 | Seamless upgrades in distributed database system |
| CN101534182B (en) * | 2009-04-27 | 2012-11-21 | 华为技术有限公司 | Method, veneer and network equipment for sending route information |
| CN103023673A (en) * | 2011-09-21 | 2013-04-03 | 中兴通讯股份有限公司 | Starting method and apparatus of control units |
| WO2019019607A1 (en) * | 2017-07-28 | 2019-01-31 | 中兴通讯股份有限公司 | Data backup method, device and system |
| CN111107542A (en) * | 2019-12-02 | 2020-05-05 | 南京中科晶上通信技术有限公司 | Method, equipment and storage medium for self-healing of connection fault of CU-DU distribution architecture |
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| CN1248425C (en) * | 2002-02-07 | 2006-03-29 | 华为技术有限公司 | Exchange method between on-line and off-line communicator |
| CN1190018C (en) * | 2002-05-13 | 2005-02-16 | 华为技术有限公司 | Method for main control board data thermal backup |
| CN1199366C (en) * | 2002-08-28 | 2005-04-27 | 华为技术有限公司 | Method of realizing main control plate thermal redundancy |
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| CN1968075B (en) * | 2006-05-23 | 2010-05-12 | 华为技术有限公司 | Distributed hot-standby logic device and primary/standby board setting method |
| CN101534182B (en) * | 2009-04-27 | 2012-11-21 | 华为技术有限公司 | Method, veneer and network equipment for sending route information |
| CN102737088A (en) * | 2011-03-18 | 2012-10-17 | 微软公司 | Seamless upgrades in distributed database system |
| CN102737088B (en) * | 2011-03-18 | 2017-06-27 | 微软技术许可有限责任公司 | Seamless upgrade in distributed data base system |
| CN103023673A (en) * | 2011-09-21 | 2013-04-03 | 中兴通讯股份有限公司 | Starting method and apparatus of control units |
| CN102662793A (en) * | 2012-03-07 | 2012-09-12 | 江苏引跑网络科技有限公司 | Hot backup and recovery method of distributed database with guarantee of data consistency |
| WO2019019607A1 (en) * | 2017-07-28 | 2019-01-31 | 中兴通讯股份有限公司 | Data backup method, device and system |
| CN109308233A (en) * | 2017-07-28 | 2019-02-05 | 中兴通讯股份有限公司 | Data back up method, apparatus and system |
| CN111107542A (en) * | 2019-12-02 | 2020-05-05 | 南京中科晶上通信技术有限公司 | Method, equipment and storage medium for self-healing of connection fault of CU-DU distribution architecture |
| CN112333036A (en) * | 2021-01-06 | 2021-02-05 | 广州技象科技有限公司 | Multi-storage-node-based power Internet of things configuration data backup method and device |
| CN112333036B (en) * | 2021-01-06 | 2021-03-30 | 广州技象科技有限公司 | Multi-storage-node-based power Internet of things configuration data backup method and device |
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