CN101527656B - Emergency switched system of NGN service platform database and realizing method thereof - Google Patents
Emergency switched system of NGN service platform database and realizing method thereof Download PDFInfo
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Abstract
The invention discloses an emergency switched system of NGN service platform database and a realizing method thereof. The system comprises local service databases of each city, back up databases of province emergency centers, a synchronization module and a switching module; wherein, the local service databases and the back up databases are corresponding to each other one by one; the synchronization module is used for completing the data synchronization between the local service databases on NGN service application servers of each city and the province center back up databases on province emergency center servers; and the switching module is used for switching the province center back up databases which are corresponding to the city on the province emergency center servers into the local service databases when the NGN service application servers of the city are out of service caused by the lock service database. The invention sets up the back up databases on the province emergency center servers, when the local service databases can not be immediately recovered, switches the databases in a connecting way, and accesses the province center back up databases by a synthetic data communication network, so as to fast recover the operation of the system, greatly shorten service interruption time, and minimize the influence to customers and operators.
Description
Technical field
The present invention relates to the NGN service platform system, relate in particular to the emergent switched system of a kind of NGN service platform database and its implementation.
Background technology
NGN (Next Generation Network) is a next-generation communication network, with the soft switch is core, the network architecture based on the comprehensive opening of group technology that comprises voice, data, video and multimedia service can be provided, represent the direction of communication network development.
In NGN (next generation network) service operation process, need to handle a large amount of user service datas, as user ID, user number information, professional trigger data, verify data etc., need to preserve and visit lot of data base resource, therefore in whole NGN operation system, database is in a core status.If the fault of database section can not be recovered timely, will to operator and the client causes and big loss, how reducing database failure whether effectively is emergency measures key point to the influence time of whole service system, therefore, the design of Service Database emergency system and construction just seem very important.
Opening of current NGN operation system is that unit carries out mostly with districts and cities, and main business uses and to move in the two-shipper mode, and the database data of prefectures and cities generally all is to preserve on the two-shipper shared disk array.If the business application system relevant with database goes wrong, can at first switch on the cluster standby host and move, therefore generally business can not interrupted for a long time.But under some extreme case,, cause that the business datum of preserving on the disk array can't short-term be recovered, the data inaccessible as magnetic battle array physical damage, other natural disasters etc., just may be to the operation generation great influence of business.
Number of patent application is that 200610041166.3 Chinese invention patent " a kind of client service emergency system and its implementation " discloses the emergent technical scheme of a kind of customer service system and with the client service emergency system of this scheme constructs, the software of this emergency system comprises: the control main body, switch main body, detect main body; Hardware comprises: emergent switching controls server, standby database server.When customer service system data Layer host apparatus fault, it is main with the switching of database server to the standby database server that this emergency system can utilize control main body, the intersubjective protocol communication of switching to finish; After the data Layer host apparatus recovered normal operation, emergency system can be cut quick the returning of business to host apparatus in 5 minutes equally.The foundation of this client service emergency system, guarantee that customer service system offers the continual substantially customer service of client, but this system and implementation method do not realize the long-range urgent switching and the reverse sync of data, cause losing of during emergent business datum easily like this.
Summary of the invention
Technical problem to be solved by this invention is to solve the NGN service platform database not realize the long-range urgent switching and the reverse sync of data, causes the problem of service data loss during meeting an urgent need easily.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention provides the emergent switching method of a kind of NGN service platform database, may further comprise the steps:
Local service database on step 101, the districts and cities NGN service application service device takes place to repair situation immediately, starts emergent changeover program after the districts and cities keeper confirms;
Whether step 102, emergent changeover program at first have other districts and cities to take province's center backup database by province's center switching Agent inspection, and promptly whether other districts and cities are carrying out contingency tasks;
If step 103 has other districts and cities carrying out contingency tasks, then return failure and alarm, stop subsequent treatment, stop relevant task switching;
If step 104 does not have other districts and cities carrying out contingency tasks, then economize the center backup database and switch Agent with keeper's identity login province center backup database, turn off the connection that all are connected to these districts and cities correspondence database, and modification province center Backup Data library name is these districts and cities Service Database names;
If step 105 does not have other districts and cities carrying out contingency tasks, then emergent changeover program notifies the emergent Agent of districts and cities to carry out handover operation;
After the emergent Agent of step 106, districts and cities is notified, revises database and connect configuration, districts and cities' database is connected to change into point to province's center backup database;
In the said method, also comprise synchronous flow process, be used to finish the local service database on the NGN service application service device of prefectures and cities and economize data sync between province's center backup database on the emergency center server; Described synchronous flow process comprises that synchronous flow process of data upload and data download synchronous flow process, and the synchronous flow process of described data upload is used for regularly the local service data bank service data sync of prefectures and cities to economizing corresponding province center backup database on the emergency center server; Described data are downloaded synchronous flow process and are used for deserving after districts and cities NGN service application service device recovers, will be in the province's center backup database on economizing the emergency center server the new synchronizing traffic data that produces in the local service database of these districts and cities.
Further, the synchronous flow process of described data upload may further comprise the steps:
Step 1, province's emergency center server regularly trigger the data dispatch machine program of uploading;
Step 2, upload the agency service program of uploading that data dispatch machine program connects certain districts and cities' database, the table name that needs are synchronous sends to the agency service program of uploading;
Step 3, upload the agency service program and derive and to need data in synchronization, derive the back that finishes and return success information, during deriving, upload data dispatch machine program and block and wait for to uploading data dispatch machine program;
Step 4, upload data dispatch machine program and obtain data file by the FTP mode;
Step 5, upload data and index that data dispatch machine program empties correlation table in the province center districts and cities correspondence database;
Step 6, upload and rebuild index after data dispatch machine program imports data by the data importing order;
Step 7, upload data dispatch machine program and continue to upload the data of next districts and cities according to configuration, repeating step 2～6 if make a mistake in the meantime, continues to handle next districts and cities behind the log;
Recording operation daily record in step 8, the operating process is used in order to inquiry error.
Described data are downloaded synchronous flow process and be may further comprise the steps:
Step 1, districts and cities NGN service application service device system manager start the data download dispatcher, data download dispatcher profile information comprises server ip address, ftp server address, province center, the tables of data sum of needs derivation and the title of each table of storing province's center download agent service routine;
Step 2, data download dispatcher are clearly pointed out to the operator, obtain confirming the NGN business of back these districts and cities of time-out;
Step 3, data download dispatcher are connected to the agency service program on province's emergency center server, the beginning down operation;
Step 4, the agency service program of economizing on the emergency center server disconnect all databases that are connected to Service Database connections;
Step 5, the agency service program of economizing on the emergency center server rename Service Database;
Agency service program derived data from the backup database of province center on step 6, the province's emergency center server returns success message to districts and cities' data download dispatcher then, and data download dispatcher obstruction is treated before obtaining success message;
Step 7, data download dispatcher are passed through the FTP download data files and are economized the table data configuration file of the agency service program on the emergency center server;
The table data configuration file that step 8, data download dispatcher transmit according to the agency service program of economizing on the emergency center server empties the tables of data of districts and cities and the index on the deletion districts and cities table;
Step 9, data download dispatcher import districts and cities' database with data file and rebuild the index that districts and cities show;
Recording operation daily record in step 10, the operating process.
The present invention, on province's emergency center server, set up backup database, for any one business service systems of all districts and cities provides emergency service, it is synchronous that this system and implementation method are carried out two-way backup to the data in province center backup database and the districts and cities' local service database, remote synchronization and FTP service by data, make when the local service database can not instant recovery, start emergent flow process by the keeper, the indication handover module carries out database and connects switching, by integrated data communication net visit province center backup database, thereby the operation of quick recovery system allows time of service interruption shorten greatly, and user and operator's influence are dropped to minimum.
Description of drawings
Fig. 1 is the emergent switched system overall construction drawing of NGN service platform database of the present invention;
Fig. 2 is the emergent switched system module relation diagram in all cases of database of the present invention;
Fig. 3 is the emergent switched system realization flow figure of database of the present invention.
Embodiment
The invention provides the emergent switched system of a kind of NGN service platform database and its implementation, run into to repair fault immediately the time to satisfy when the NGN service database system, adopt this system and implementation method, can reduce time of service interruption to greatest extent, reduce because the negative influence that service disconnection causes the user.The present invention will be described in detail below in conjunction with accompanying drawing:
Fig. 1 is the emergent switched system overall construction drawing of NGN service platform database of the present invention, Fig. 2 is the emergent switched system module relation diagram in all cases of database of the present invention, in conjunction with Fig. 1 and Fig. 2, the system of changing comprises database, synchronization module and handover module three parts in a hurry.
Database comprises some NGN local service databases and economizes the center backup database one to one with prefectures and cities local service databases; Wherein NGN local service database is separately positioned on the NGN service application service device of prefectures and cities, province's center backup database is arranged on province's emergency center server, and prefectures and cities NGN service application service device is by integrated data communication net and province's emergency center server networking; In order to keep economizing the consistency of center backup database and all districts and cities' local service databases, province's center Backup Data library name, table name etc. are consistent substantially with former districts and cities local service databases, promptly on province's emergency center server, set up the backup database of an association for the local service database of each districts and cities, as:
For districts and cities 1 local service database db_0731 sets up backup database db_service0_0731;
For districts and cities 2 local service database db_0732 set up backup database db_service0_0732;
For districts and cities 3 local service database db_0733 set up backup database db_service0_0733;
Synchronization module comprises data upload synchronization module and data download synchronization module, in order to keep economizing the consistency of center backup database and prefectures and cities' local service database, need regularly the local service database synchronization of each districts and cities in the corresponding backup database in province center, this function is finished by the data upload synchronization module.Behind districts and cities' database recovery, need to switch back again districts and cities' database, when on the backup database of province center, moving, have some up-to-date business datums to produce again owing to business, need return districts and cities' database from economizing central synchronous this moment with business datum, and this function is downloaded synchronization module by data and finished.
Details are as follows for the synchronous flow process of data upload:
The synchronous flow process of data upload is finished by the data upload synchronization module, and it comprises the data dispatch machine of uploading program, the agency service program of uploading of districts and cities' database, ftp server, the FTP customer side composition at province center.The synchronous flow process of data upload is initiated by the data dispatch machine of the uploading program timing at province center, may further comprise the steps:
Data dispatch machine program timing is uploaded at step 11, province center, disposes in configuration file, is generally night every day, and trigger data is uploaded synchronous flow process;
Step 12, upload the agency service program of uploading that data dispatch machine program connects certain districts and cities' database, the table name that needs are synchronous sends to the agency service program of uploading;
Step 13, upload the agency service program and derive and to need data in synchronization, derive the back that finishes and return success information, during deriving, upload data dispatch machine program and block and wait for to uploading data dispatch machine program;
Step 14, upload data dispatch machine program and obtain data file by the FTP mode;
Step 15, upload data and index that data dispatch machine program empties correlation table in the province center districts and cities correspondence database;
Step 16, upload and rebuild index after data dispatch machine program imports data by the data importing order;
Step 17, upload data dispatch machine program and continue to upload the data of next districts and cities according to configuration, repeating step 2～6 if make a mistake in the meantime, continues to handle next districts and cities behind the log.
Recording operation daily record in step 18, the operating process is used in order to inquiry error.
The characteristics of the synchronous flow process of above-mentioned data upload are when importing data, to delete index earlier and import data again, and then build index, because, a record failure is arranged in the data when deriving, importing if adopt conventional mode to carry out, then just failure of whole operation, therefore, when importing data, the words of tape index might cause the log space deficiency, the importing data are hung up, so adopt this method can reduce the time of importing, derived data.
It is as follows that data are downloaded synchronous flow process:
Data are downloaded synchronous flow process and are finished by data download synchronization module, and it is made up of data download dispatcher, province center download agent service routine, ftp server, the FTP customer side of districts and cities.Idiographic flow is as follows:
Step 21, data download dispatcher are operated by the districts and cities system manager, at first start the data download dispatcher, need to comprise following main information in the data download dispatcher configuration file: tables of data sum, table 1 title, table 2 name that download agent service routine IP address, province center, ftp server address, province center, needs are derived ... .. etc.;
Step 22, because data download will be suspended operation, and the data download dispatcher should clearly be pointed out to the operator, just can continue to carry out after obtaining confirming;
Step 23, data download dispatcher connect province's center download agent service routine, the beginning down operation;
Step 24, province center download agent service routine at first disconnect all databases that are connected to Service Database and connect;
Step 25, agency service program rename Service Database; As changing db_service0 into db_service0_0731;
Step 26, province center download agent service routine derived data, the success back returns success sign to districts and cities' data download dispatcher, and data download dispatcher obstruction is treated during this;
Step 27, data download dispatcher are passed through the FTP download data files and are economized the table data configuration file of core agent service routine;
The table data configuration file that step 28, data download dispatcher transmit according to province's core agent service routine empties the tables of data of districts and cities and the index on the deletion districts and cities table;
Step 29, data download dispatcher import districts and cities' database with data file and rebuild the index that districts and cities show;
Recording operation daily record in step 30, the operating process.
Handover module is to be called by the keeper when the situation that districts and cities' database generation can not be repaired immediately, handover module comprises that the emergent changeover program of the database of districts and cities' side, province center backup database switch Agent, the switching Agent on each service application service device of districts and cities' side etc.The operator starts emergent changeover program by order line, and what the configuration file of emergent changeover program need comprise thes contents are as follows: backup database server address, province center, port, districts and cities' database name, each database application server switch Agent.
The emergent switching method flow process of NGN service platform database provided by the invention after districts and cities' database paralysis, is met an urgent need and is switched to province's center backup database as shown in Figure 3, may further comprise the steps:
Whether step 102, emergent changeover program at first have other districts and cities to take province's center backup database by province's center switching Agent inspection, and promptly whether other districts and cities are carrying out contingency tasks;
If step 103 has other districts and cities carrying out contingency tasks, then return failure and alarm, stop subsequent treatment, stop relevant task switching;
If step 104 does not have other districts and cities carrying out contingency tasks, then economize the center backup database and switch Agent with keeper's identity login province center backup database, turn off the connection that all are connected to these districts and cities correspondence database, and modification province center Backup Data library name is these districts and cities Service Database names;
If step 105 does not have other districts and cities carrying out contingency tasks, then emergent changeover program notifies the emergent Agent of districts and cities to carry out handover operation;
After the emergent Agent of step 106, districts and cities is notified, revises database and connect configuration, districts and cities' database is connected to change into point to emergency data storehouse, province center;
So far, the NGN business is moved on new province center database of the same name, finishes handoff procedure.
Behind system failure recovery, switch back the flow process and the last basically identical of districts and cities' database from the province center, only districts and cities' database need be connected and make getting final product of districts and cities into.
In above-mentioned steps, it is as follows that the districts and cities databases switches the configuration file of Agent: the process name that need kill, the configuration file copy command (province center) that needs to carry out, the configuration file copy command (this locality) that needs to carry out, restart the order of database application server etc.
The present invention is not limited to above-mentioned preferred forms, and anyone should learn the structural change of making under enlightenment of the present invention, and every have identical or close technical scheme with the present invention, all falls within protection scope of the present invention.
Claims (4)
- The changing method 1.NGN service platform database is met an urgent need is characterized in that may further comprise the steps:Local service database on step 101, the districts and cities NGN service application service device takes place to repair situation immediately, starts emergent changeover program after the districts and cities keeper confirms;Whether step 102, emergent changeover program at first have other districts and cities to take province's center backup database by province's center switching Agent inspection, and promptly whether other districts and cities are carrying out contingency tasks;If step 103 has other districts and cities carrying out contingency tasks, then return failure and alarm, stop subsequent treatment, stop relevant task switching;If step 104 does not have other districts and cities carrying out contingency tasks, then economize the center backup database and switch Agent with keeper's identity login province center backup database, turn off the connection that all are connected to these districts and cities correspondence database, and modification province center Backup Data library name is these districts and cities Service Database names;If step 105 does not have other districts and cities carrying out contingency tasks, then emergent changeover program notifies the emergent Agent of districts and cities to carry out handover operation;After the emergent Agent of step 106, districts and cities is notified, revises database and connect configuration, districts and cities' database is connected to change into point to province's center backup database;Step 107, emergent Agent are restarted NGN service application service device program, reconnect to province's center backup database;Step 108, service-user need interrupt the new login of laying equal stress on.
- 2. the NGN service platform database as claimed in claim 1 changing method of meeting an urgent need, it is characterized in that also comprising synchronous flow process, be used to finish the local service database on the NGN service application service device of prefectures and cities and economize data sync between province's center backup database on the emergency center server; Described synchronous flow process comprises that synchronous flow process of data upload and data download synchronous flow process, and the synchronous flow process of described data upload is used for regularly the local service data bank service data sync of prefectures and cities to economizing corresponding province center backup database on the emergency center server; Described data are downloaded synchronous flow process and are used for deserving after districts and cities NGN service application service device recovers, will be in the province's center backup database on economizing the emergency center server the new synchronizing traffic data that produces in the local service database of these districts and cities.
- 3. the NGN service platform database as claimed in claim 2 changing method of meeting an urgent need is characterized in that the synchronous flow process of described data upload may further comprise the steps:Step 1, province's emergency center server regularly trigger the data dispatch machine program of uploading;Step 2, upload the agency service program of uploading that data dispatch machine program connects certain districts and cities' database, the table name that needs are synchronous sends to the agency service program of uploading;Step 3, upload the agency service program and derive and to need data in synchronization, derive the back that finishes and return success information, during deriving, upload data dispatch machine program and block and wait for to uploading data dispatch machine program;Step 4, upload data dispatch machine program and obtain data file by the FTP mode;Step 5, upload data and index that data dispatch machine program empties correlation table in the province center districts and cities correspondence database;Step 6, upload and rebuild index after data dispatch machine program imports data by the data importing order;Step 7, upload data dispatch machine program and continue to upload the data of next districts and cities according to configuration, repeating step 2～6 if make a mistake in the meantime, continues to handle next districts and cities behind the log;Recording operation daily record in step 8, the operating process is used in order to inquiry error.
- 4. the NGN service platform database as claimed in claim 2 changing method of meeting an urgent need is characterized in that described data are downloaded synchronous flow process and be may further comprise the steps:Step 1, districts and cities NGN service application service device system manager start the data download dispatcher, data download dispatcher profile information comprises server ip address, ftp server address, province center, the tables of data sum of needs derivation and the title of each table of storing province's center download agent service routine;Step 2, data download dispatcher are clearly pointed out to the operator, obtain confirming the NGN business of back these districts and cities of time-out;Step 3, data download dispatcher are connected to the agency service program on province's emergency center server, the beginning down operation;Step 4, the agency service program of economizing on the emergency center server disconnect all databases that are connected to Service Database connections;Step 5, the agency service program of economizing on the emergency center server rename Service Database;Agency service program derived data from the backup database of province center on step 6, the province's emergency center server returns success message to districts and cities' data download dispatcher then, and data download dispatcher obstruction is treated before obtaining success message;Step 7, data download dispatcher are passed through the FTP download data files and are economized the table data configuration file of the agency service program on the emergency center server;The table data configuration file that step 8, data download dispatcher transmit according to the agency service program of economizing on the emergency center server empties the tables of data of districts and cities and the index on the deletion districts and cities table;Step 9, data download dispatcher import districts and cities' database with data file and rebuild the index that districts and cities show;Recording operation daily record in step 10, the operating process.
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| CN102571393B (en) * | 2010-12-14 | 2015-07-29 | ***通信集团江苏有限公司 | Changing method between business support production system and emergency system and device |
| CN104077367A (en) * | 2014-06-18 | 2014-10-01 | 国电南瑞科技股份有限公司 | History data cluster processing method for power grid dispatching monitoring system |
| CN105159944A (en) * | 2015-08-10 | 2015-12-16 | 北京思特奇信息技术股份有限公司 | Database emergency handling method and system |
| CN108536809A (en) * | 2018-03-30 | 2018-09-14 | 四川九阵科技股份有限公司 | A kind of area medical suspension toll collection system and method |
| CN109783571B (en) * | 2018-12-13 | 2023-10-27 | 平安科技（深圳）有限公司 | Data processing method, device, computer equipment and storage medium for isolated environment |
| CN116466960A (en) * | 2023-04-14 | 2023-07-21 | 北京星汉未来网络科技有限公司 | Method, device, equipment and medium for multi-activity deployment of database |
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| CN1536819A (en) * | 2003-04-11 | 2004-10-13 | 华为技术有限公司 | Method for implementing dual home in next network |
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