CN101364186A - Data migration method, system, data migration server and data interface server - Google Patents
Data migration method, system, data migration server and data interface server Download PDFInfo
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- CN101364186A CN101364186A CNA2008101671135A CN200810167113A CN101364186A CN 101364186 A CN101364186 A CN 101364186A CN A2008101671135 A CNA2008101671135 A CN A2008101671135A CN 200810167113 A CN200810167113 A CN 200810167113A CN 101364186 A CN101364186 A CN 101364186A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
- G06F3/0646—Horizontal data movement in storage systems, i.e. moving data in between storage devices or systems
- G06F3/0647—Migration mechanisms
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0602—Interfaces specially adapted for storage systems specifically adapted to achieve a particular effect
- G06F3/0604—Improving or facilitating administration, e.g. storage management
- G06F3/0605—Improving or facilitating administration, e.g. storage management by facilitating the interaction with a user or administrator
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0668—Interfaces specially adapted for storage systems adopting a particular infrastructure
- G06F3/067—Distributed or networked storage systems, e.g. storage area networks [SAN], network attached storage [NAS]
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Abstract
The invention discloses a data migration method which is used for migrating initial data. During the migrating process of the data, a status mark is arranged for the initial data according to the migration state of the initial data; and when the operating command of a user to the initial data is received, the operating command is executed according to the status mark of the initial data. The invention further discloses a data migration system, a data migration server and a data interface server simultaneously. The method, the system, the data migration server and the data interface server can determine the migration status of the initial data through the status mark, thereby determining to operate the initial data or initial data after being migrated, and avoiding the problem that ineffective operation can occur when the data are operated during the migration process of the data, so that a user still can use data service to operate the data during the migration process of the data; and the data service is not required to be stopped.
Description
Technical field
The present invention relates to the Data Transference Technology field, particularly data migration method, system, data migration server and data interface server.
Background technology
Data migtation is meant that data are converted to another medium or are the process of another form from a kind of format conversion from a kind of medium, for example the data of a hard disk are transferred in another piece hard disk, perhaps the WORD formatted file is converted to PDF file etc.For individual data, in the process of migration, the data of being moved can't be used, and have only after data migtation is finished, and these data just can accessed or modification.
Be subjected to current technical limitation, the speed of general data migration at present is desirable not enough, especially the migration of mass data, for example database massive data is moved in another database, because the enormous amount of data, the migration of finishing total data needs the time of a couple of days even several weeks probably, in the meantime, if the user has carried out the operation that writes or revise to certain data of former database, and these data have moved and have finished, and after total data migrates in the new database so, these data in new database will still keep the preoperative state of user, can not reflect user's operation, cause user's operation failure.Therefore, in the existing data migration method, generally all require to forbid that in data migration process the user operates data.
Fig. 1 is the structural drawing of available data migratory system, and this system comprises original data server 101, destination data server 102, migration server 103 and data interface server 104.
In data migration process, migration server 103 repeats from original data server 101 reading of data and migrates to the operation of destination data server 102, finish up to all data migtations, during this period, data interface server 104 can stop the response to the data manipulation instruction of user's transmission, stop data, services, after all data migtations finish, data interface server 104 is revised as data operating interface and points to destination data server 102 from original sensing original data server 101, and the turn-on data service.
For above-mentioned existing data migtation system and moving method, data migration process will cause data, services to be suspended, the user can not carry out any operation to data, and this will greatly influence normal data, services, bring very big inconvenience for the user of data, services.
Summary of the invention
The embodiment of the invention provides a kind of data migration method, makes the user still can use data, services in data migration process, and data are operated.
The embodiment of the invention provides a kind of data migtation system, makes the user still can use data, services in data migration process, and data are operated.
The embodiment of the invention provides a kind of data migration server, makes the user still can use data, services in data migration process, and data are operated.
The embodiment of the invention provides a kind of data interface server, makes the user still can use data, services in data migration process, and data are operated.
For achieving the above object, technical scheme of the present invention specifically is achieved in that
A kind of data migration method, this method comprises:
Raw data is moved, in data migration process, according to the transition state of raw data, for raw data is provided with status indication;
When receiving the user, according to the status indication executable operations instruction of raw data to the operational order of raw data.
A kind of data migtation system, this system comprises:
Original data server is used to preserve raw data;
The target data server is used to preserve the raw data after the migration;
Data migration server, be used for all raw data of original data server are moved, raw data after the migration is kept at described target data server, and according to the transition state of raw data, the status indication of raw data is set, and the status indication corresponding with raw data is stored in the status indication server;
The status indication server is used to preserve the status indication corresponding with raw data;
Data interface server, be used in data migration process, when receiving the user to the operational order of raw data, status indication according to the raw data that reads from described status indication server, to the raw data of preserving in the described original data server, or the instruction of the raw data executable operations after the migration of preserving in the target data server.
A kind of data migration server, this server comprises:
The data migtation module is used for raw data is moved;
Mark is provided with module, is used for the process of raw data being moved in described data migtation module, according to the transition state of raw data, and for raw data is provided with status indication, and with described and the status indication corresponding with raw data preserved.
A kind of data interface server, this server comprises:
The command reception module is used to receive the operational order of user to raw data;
The instruction execution module is used for the status indication executable operations instruction according to raw data.
As seen from the above technical solutions, of the present invention this by raw data is moved, in data migration process, according to the transition state of raw data, for raw data is provided with status indication; When receiving the user to the operational order of raw data, data migration method according to the instruction of the status indication executable operations of raw data, system, data migration server and data interface server, can determine the transition state of raw data by status indication, thereby determine the raw data after raw data or the migration is operated, thereby avoid in data migration process, data are operated the problems such as operation failure that may occur, make the user in data migration process, still can use data, services, data are operated, need not in transition process, to stop data, services.
Description of drawings
Fig. 1 is the structural drawing of available data migratory system;
Fig. 2 is the overview flow chart of the data migration method of the embodiment of the invention;
Fig. 3 is the particular flow sheet of data migration portion of the data migration method of the embodiment of the invention;
Fig. 4 is the data, services particular flow sheet partly of the data migration method of the embodiment of the invention;
Fig. 5 is the structural drawing of the data migtation system of the embodiment of the invention;
Fig. 6 is the structural drawing of the data migration server of the embodiment of the invention;
Fig. 7 is the structural drawing of the data interface server of the embodiment of the invention.
Embodiment
For making purpose of the present invention, technical scheme and advantage clearer, below with reference to the accompanying drawing embodiment that develops simultaneously, the present invention is described in more detail.
The present invention mainly is when raw data is moved, according to the transition state of raw data, for raw data is provided with status indication; In data migration process,, then instruct according to the status indication executable operations of raw data if receive the operational order of user to raw data.
Fig. 2 is the overview flow chart of the data migration method of the embodiment of the invention, and as shown in Figure 2, this flow process comprises the two large divisions, and wherein step 201 and 202 is a data migration portion, and step 203 is the data, services part.
The detailed process that raw data is moved is a lot, for example can read a raw data at every turn and moves, and reads next raw data again after migration is finished and moves, and finishes up to all raw data migrations; Also can once read a plurality of raw data and move simultaneously, after a plurality of raw data that once read are all moved and finished, read a plurality of raw data again and move, finish up to all raw data migrations; The present invention does not limit concrete transition process, can adopt any existing migration pattern, therefore repeats no more here.
In the process that raw data is moved, will be according to the transition state of raw data, for raw data is provided with status indication, the raw data that for example will move and move failure is provided with status indication and is not migration; The raw data of moving is provided with status indication for moving; The successful raw data of migration is provided with status indication for having moved or the like.Wherein, with the raw data of moving be provided with status indication for the step of not migration promptly before all raw data are all moved, the status indication of all raw data is set to not move.In addition, according to the difference of the division of transition state, further refinement transition state, for example for the bigger individual data of data volume, as video file, the data migtation front and back are read and are write and may also will expend the long period data, for such raw data, can suitably increase in the data read, data write medium state, certainly, status indication also needs correspondingly to increase, and how concrete transition state is divided, and the kind of status indication, can decide according to concrete needs.
Concrete status indication can represent that for example not migration of 0 expression, 1 expression are being moved with numerals such as 0,1,2, and 2 expressions have been moved, and also can use letters such as A, B, C to represent, concrete method for expressing is decided according to the actual requirements, and repeats no more here.
Step 201,202 does not have sequencing in practical operation, operation and transition process that mark is set carry out synchronously, describes for clear expression just is divided into two steps of priority herein.
Wherein user's operational order can be to read, write, revise or the like, and the present invention does not limit the concrete operations instruction.
In addition, according to specifically can comprising that the status indication executable operations of raw data is instructed:, then the raw data executable operations of not migration is instructed if the status indication of raw data is migration; If status indication is for having moved, then to the instruction of the raw data executable operations after the migration; If status indication for moving, then can be taked different measures according to the data volume size of raw data; For example,, just can move general several seconds and finish, at this moment, can suspend the executable operations instruction if the data volume of raw data is smaller, the status indication of wait raw data become do not move or have moved after, carry out the operational order under the corresponding state again; If the data volume of raw data is bigger, the time that may wait for can be long, may cause user's unhappiness, at this moment, just can directly stop the executable operations instruction, and send prompting to the user, this raw data of prompting user is moved, and allows the user wait a moment again and operates; Can certainly point out the user to estimate to move the time of finishing, allow the user select to wait for or cancel this operation specifically how to point out the user, whether point out the user, can be decided according to the actual requirements, repeat no more here.
Fig. 3 is the particular flow sheet of data migration portion of the data migration method of the embodiment of the invention, and as shown in Figure 3, this flow process comprises:
Before reading raw data and moving, the state of all raw data is migration.
Successfully read one not migration raw data and when beginning to move, the transition state of this raw data is for moving.
When raw data was moved successfully, the transition state of this raw data was for having moved;
During raw data migration failure, the transition state of this raw data is not migration.
The raw data of execution in step 301～306 needs migration is to the last moved successfully repeatedly, can finish the migration of whole raw data.For the raw data of migration failure, should move in the transition process, until moving successfully as the raw data of needs migration next time; After perhaps also can waiting other raw data all to move success, move again, until moving successfully.
Fig. 4 is the data, services particular flow sheet partly of the data migration method of the embodiment of the invention, and as shown in Figure 4, this flow process comprises:
Step 401 receives the operational order of user to raw data.
Step 402 reads the status indication of raw data, if status indication is migration, then execution in step 403, if status indication is for having moved, then execution in step 404, and for moving, then execution in step 405 as if status indication.
Step 403 is instructed to the raw data executable operations.
According to user's operational order, the raw data of not migration is operated, for example user's operational order is to write, and then raw data is carried out write operation, operates complete back process ends.
Step 404 is to the instruction of the raw data executable operations after the migration.
According to user's operational order, the raw data after the migration is operated, for example user's operational order is to write, and then the raw data after the migration is carried out write operation, operates complete back process ends.
Step 405, the undo instruction.
If raw data is moved, can not carry out user's operational order, also can further send prompting, the prompting user waits a moment examination again, perhaps suspend the executable operations instruction, the status indication for the treatment of raw data becomes and does not move or when having moved, execution in step 403 or 404 is operated complete back process ends.
Fig. 5 is the data migtation system construction drawing of the embodiment of the invention, and as shown in Figure 5, this system comprises:
Original data server 501 is used to preserve raw data; Can be a server, also the server zone that can be made up of a plurality of servers can certainly be any data storage device.
Target data server 502 is used to preserve the raw data after the migration; Can be a server, also the server zone that can be made up of a plurality of servers can certainly be any data storage device.
Data migration server 503 is used for the raw data of original data server 501 is moved, and the raw data after the migration is kept at described target data server 502, and according to the transition state of raw data, for raw data is provided with status indication; And the status indication corresponding with raw data be stored in described status indication server 504.
Status indication server 504 is used to preserve the status indication corresponding with raw data.
Data interface server 505, be used in data migration process, when receiving the user to the operational order of raw data, according to the status indication corresponding that from described status indication server 504, reads with raw data, to the raw data of preserving in the described original data server, or the instruction of the raw data executable operations after the migration of preserving in the target data server.
Wherein, data migration server 503 for raw data be provided with status indication concrete operations can for: it is migration that the raw data that will move and move failure is provided with status indication; The raw data of moving is provided with status indication for moving; The successful raw data of migration is provided with status indication for having moved.Wherein, the raw data of moving is provided with is included in the operation of status indication for not migration before all raw data all move, it is migration that the status indication of all raw data sets in advance.
Status indication server 504 can also provide the interface that status indication is set and obtains the atomic operation of status indication except being used to preserve the status indication of raw data, certainly, if business need not high also can be non-atomic operation.Described atomic operation is a kind of indivisible basic operation.And data migration server 503 and data interface server 505 can directly call the function that status indication server 504 provides by above-mentioned interface, by simple atomic operation, status indication are provided with or read.This will alleviate the processing burden of data migration server 503 and data interface server 505.
Data interface server 505 according to the concrete operations of the status indication executable operations of raw data instruction can for: if status indication then instructs to the raw data executable operations for moving; If status indication is for having moved, then to the instruction of the raw data executable operations after the migration; If status indication is for moving, then suspend the executable operations instruction, the status indication of waiting for raw data become do not move or have moved after, carry out and do not move or the corresponding operating of the state of having moved instructs; Perhaps undo instructs, and sends prompting to the user; Perhaps point out the user to select to wait for or cancel this operation,, then suspend the executable operations instruction if the user selects to wait for, the status indication of waiting for raw data become do not move or have moved after, the executable operations instruction; If select cancellation, then undo instruction.
Certainly, the function of status indication server 504 can also be integrated in the data migration server 503, and at this moment, this system comprises:
Original data server 501 is used to preserve raw data;
Target data server 502 is used to preserve the raw data after the migration;
Data migration server 503, be used for all raw data of original data server 501 are moved, raw data after the migration is kept at described target data server 502, and according to the transition state of raw data, the status indication that setting and preservation are corresponding with raw data;
Data interface server 505 is used in data migration process, when receiving the user to the operational order of raw data, according to the status indication executable operations instruction of preserving in the data migration server 503.
In addition, original data server 501 and target data server 502 also can be same servers, and the raw data after raw data and the migration can be kept in the same server.
Fig. 6 is the structural drawing of the data migration server of the embodiment of the invention, and as shown in Figure 6, this server comprises:
Mark is provided with module 602, is used for the process of moving in 601 pairs of raw data of described data migtation module, according to the transition state of raw data, for raw data is provided with status indication, and the described status indication corresponding with raw data is preserved.
If have independently status indication server in the system, then described mark is provided with module 602 the described status indication corresponding with raw data is stored in the status indication server; If the status indication server set is formed in the data migration server, at this moment, data migration server may further include:
Mark is preserved module 603, is used to preserve the status indication corresponding with raw data.
Described mark is provided with module 602, the described status indication corresponding with raw data is stored in described mark preserves in the module 603.
Wherein, mark is provided with module 602 and specifically comprises:
First is provided with unit 604, the raw data of moving and moving failure is provided with status indication is not migration.
Second is provided with unit 605, and the raw data of moving is provided with status indication for moving.
The 3rd is provided with unit 606, and the successful raw data of migration is provided with status indication for having moved.
The quantity that the unit is set can be adjusted according to the quantity of status indication, also can merge into one the unit is set, and decides on actual needs.
Fig. 7 is the structural drawing of the data interface server of the embodiment of the invention, and as shown in Figure 7, this server comprises:
The position difference that status indication is preserved, instruction execution module 702 are obtained the concrete grammar of status indication of raw data correspondence also with difference, for example read from the status indication server, or read or the like from data migration server, repeat no more here.
Wherein, instruction execution module 702 specifically comprises:
The 3rd performance element 705, if the status indication of raw data, then suspends the executable operations instruction for moving, the status indication of waiting for raw data become do not move or have moved after, the operational order under the execution corresponding state; Perhaps undo instructs, and sends prompting to the user; Perhaps point out the user to select to wait for or cancel this operation,, then suspend the executable operations instruction if the user selects to wait for, the status indication of waiting for raw data become do not move or have moved after, the executable operations instruction; If select cancellation, then undo instruction.
The quantity of performance element can be adjusted according to the quantity of status indication, also can merge into a performance element, decides on actual needs.
By the above embodiments as seen, data migration method of the present invention, system, data migration server and data interface server can be determined the transition state of raw data by status indication, thereby determine the raw data after raw data or the migration is operated, thereby avoid in data migration process, data are operated the problems such as operation failure that may occur, make the user in data migration process, still can use data, services, data are operated, need not to stop data, services.
Institute is understood that; the above is a better embodiment of the present invention only, and is not intended to limit the scope of the invention, and is within the spirit and principles in the present invention all; any modification of being made, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (13)
1, a kind of data migration method is characterized in that, this method comprises:
Raw data is moved, in data migration process, according to the transition state of raw data, for raw data is provided with status indication;
When receiving the user, according to the status indication executable operations instruction of raw data to the operational order of raw data.
2, data migration method as claimed in claim 1 is characterized in that, described raw data is moved comprises:
Read a not raw data of migration, this raw data is moved, successfully then continue to read the raw data that the next one do not move and move, move, move successfully until all raw data otherwise read this raw data once more if move;
Perhaps read a plurality of not raw data of migration simultaneously, and simultaneously these a plurality of raw data are moved, then continue to read a plurality of not raw data of migration and move if a plurality of raw data are all moved success, move otherwise read the unsuccessful raw data of migration once more, move successfully until all raw data.
3, data migration method as claimed in claim 1 or 2 is characterized in that, described transition state according to raw data comprises for raw data is provided with status indication:
The raw data of moving and moving failure is provided with status indication is not migration;
The raw data of moving is provided with status indication for moving;
The successful raw data of migration is provided with status indication for having moved.
4, data migration method as claimed in claim 3 is characterized in that, described status indication executable operations instruction according to raw data comprises:
If the status indication of raw data then instructs to the raw data executable operations for not migration;
If the status indication of raw data is for having moved, then to the instruction of the raw data executable operations after the migration;
If the status indication of raw data, then suspends the executable operations instruction for moving, the status indication of waiting for raw data become do not move or have moved after, executable operations is instructed; Perhaps undo instructs, and sends prompting to the user.
5, a kind of data migtation system is characterized in that this system comprises:
Original data server is used to preserve raw data;
The target data server is used to preserve the raw data after the migration;
Data migration server, be used for all raw data of original data server are moved, raw data after the migration is kept at described target data server, and according to the transition state of raw data, the status indication of raw data is set, and the status indication corresponding with raw data is stored in the status indication server;
The status indication server is used to preserve the status indication corresponding with raw data;
Data interface server, be used in data migration process, when receiving the user to the operational order of raw data, status indication according to the raw data that reads from described status indication server, to the raw data of preserving in the described original data server, or the instruction of the raw data executable operations after the migration of preserving in the target data server.
6, data migtation as claimed in claim 5 system is characterized in that described status indication server set is formed in the data migration server.
7, as claim 5 or 6 described data migtation systems, it is characterized in that described data migration server is provided with the status indication of raw data according to the transition state of raw data, specifically comprises:
The raw data of moving and moving failure is provided with status indication is not migration;
The raw data of moving is provided with status indication for moving;
The successful raw data of migration is provided with status indication for having moved.
8, data migtation as claimed in claim 7 system is characterized in that, described data interface server specifically comprises according to the status indication executable operations instruction of raw data:
If the status indication of raw data then instructs to the raw data executable operations for not migration;
If the status indication of raw data is for having moved, then to the instruction of the raw data executable operations after the migration;
If the status indication of raw data, then suspends the executable operations instruction for moving, the status indication of waiting for raw data become do not move or have moved after, executable operations is instructed; Perhaps undo instructs, and sends prompting to the user.
9, a kind of data migration server is characterized in that, this server comprises:
The data migtation module is used for raw data is moved;
Mark is provided with module, is used for the process of raw data being moved in described data migtation module, according to the transition state of raw data, for raw data is provided with status indication, and the described status indication corresponding with raw data is preserved.
10, data migration server as claimed in claim 9 is characterized in that, described mark is provided with module the described status indication corresponding with raw data is stored in the status indication server;
Perhaps, this data migration server further comprises:
Mark is preserved module, is used to preserve the status indication corresponding with raw data;
Described mark is provided with module the described status indication corresponding with raw data is stored in described mark preservation module.
As claim 9 or 10 described data migration servers, it is characterized in that 11, described mark is provided with module and comprises:
First state set unit is provided with status indication with the raw data of moving and moving failure and is not migration;
Second state set unit is provided with status indication for moving with the raw data of moving;
The third state is provided with the unit, and the successful raw data of migration is provided with status indication for having moved.
12, a kind of data interface server is characterized in that, this server comprises:
The command reception module is used to receive the operational order of user to raw data;
The instruction execution module is used for the status indication executable operations instruction according to raw data.
13, data interface server as claimed in claim 12 is characterized in that, described instruction execution module comprises:
First instruction execution unit is if the status indication of raw data then instructs to the raw data executable operations for not migration;
Second instruction execution unit is if the status indication of raw data is for having moved, then to the instruction of the raw data executable operations after the migration;
The 3rd instruction execution unit, if the status indication of raw data, then suspends the executable operations instruction for moving, the status indication of waiting for raw data become do not move or have moved after, executable operations is instructed; Perhaps undo instructs, and sends prompting to the user.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN2008101671135A CN101364186B (en) | 2008-09-27 | 2008-09-27 | Data migration method, data migration server and data interface server |
| PCT/CN2009/074230 WO2010037348A1 (en) | 2008-09-27 | 2009-09-25 | Method, system and server for data migrating, and data interface server |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008101671135A CN101364186B (en) | 2008-09-27 | 2008-09-27 | Data migration method, data migration server and data interface server |
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| CN101364186A true CN101364186A (en) | 2009-02-11 |
| CN101364186B CN101364186B (en) | 2012-01-25 |
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| WO2010037348A1 (en) * | 2008-09-27 | 2010-04-08 | 腾讯科技（深圳）有限公司 | Method, system and server for data migrating, and data interface server |
| CN101887456A (en) * | 2010-06-30 | 2010-11-17 | 百视通网络电视技术发展有限责任公司 | System and method for migrating data |
| CN102043662A (en) * | 2009-10-23 | 2011-05-04 | 伟视科技股份有限公司 | Data modification method for multiple operation systems |
| CN101763307B (en) * | 2009-12-29 | 2012-05-02 | 山东中创软件商用中间件股份有限公司 | Network container and program debugging method based on the same |
| CN102855299A (en) * | 2012-08-16 | 2013-01-02 | 上海引跑信息科技有限公司 | Method for realizing iterative migration of distributed database without interrupting service |
| CN103136043A (en) * | 2013-01-28 | 2013-06-05 | 华为技术有限公司 | Method, system and network node for transferring asynchronous input and output (IO) |
| CN102004745B (en) * | 2009-09-02 | 2013-06-12 | 中国银联股份有限公司 | Data transfer system and method |
| CN103684986A (en) * | 2012-09-11 | 2014-03-26 | 王正伟 | A message addressing method |
| CN103731336A (en) * | 2012-10-12 | 2014-04-16 | 腾讯科技（深圳）有限公司 | Mailbox data migration method and device |
| CN103929505A (en) * | 2013-01-11 | 2014-07-16 | 王正伟 | Message handling method |
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| WO2015012508A1 (en) * | 2013-07-26 | 2015-01-29 | Samsung Electronics Co., Ltd. | Method and system of managing connections in a communication environment |
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Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100337224C (en) * | 2003-12-03 | 2007-09-12 | 华为技术有限公司 | Method of local data migration |
| US7613889B2 (en) * | 2004-06-10 | 2009-11-03 | International Business Machines Corporation | System, method, and program for determining if write data overlaps source data within a data migration scheme |
| CN101364186B (en) * | 2008-09-27 | 2012-01-25 | 腾讯科技（深圳）有限公司 | Data migration method, data migration server and data interface server |
-
2008
- 2008-09-27 CN CN2008101671135A patent/CN101364186B/en active Active
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2009
- 2009-09-25 WO PCT/CN2009/074230 patent/WO2010037348A1/en active Application Filing
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