CN108959504A - A kind of file system teledata synchronization realizing method and system - Google Patents
A kind of file system teledata synchronization realizing method and system Download PDFInfo
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- CN108959504A CN108959504A CN201810674849.5A CN201810674849A CN108959504A CN 108959504 A CN108959504 A CN 108959504A CN 201810674849 A CN201810674849 A CN 201810674849A CN 108959504 A CN108959504 A CN 108959504A
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Abstract
The embodiment of the invention discloses a kind of file system teledata synchronization realizing method and systems; this method comprises: collecting the relevant information of the first file system data of local server by the sync agent disposed in local server, and the relevant information of the first file system data and preset data comparison algorithm are transferred to the Data protection services device disposed in remote server；The relevant information of second file system data of the relevant information of the first file system data and remote server is compared by Data protection services device by data comparison algorithm; and when the relevant information of relevant information and the second file system data that comparison result is the first file system data is not identical, comparison result is fed back into sync agent；Sync agent executes the data between local server and remote server according to the comparison result and synchronizes.By the example scheme, realize it is not strong in requirement of real-time, to the remote protecting of file system data under low quality network.
Description
Technical field
The present embodiments relate to data synchronization technology, espespecially a kind of file system teledata synchronization realizing method and it is
System.
Background technique
In Modern server system, due to service application Information Security and reliability have and more and more want
It asks, to realize data protection, it is superfluous to increase data for example in local server disk by the way of disk array for common practice
It is remaining, and it is directed to the data protection in strange land, it is deposited usually using traditional SAN (Storage Are Network storage area network)
Mirror image is stored up, conventional memory device and storage engines is needed to support, by the way that data are same in local and remote side by storage engines
When be written, to ensure the data consistency of local and remote side.When using this way, on the one hand have to the bandwidth of network certain
It is required that while require network have great stability, if there is network jitter, then likely resulting in request of data can not return
It returns, seriously affects storage performance.Meanwhile SAN network networking needs special equipment FC (optical-fibre channel) etc., higher cost can not
It is used under small-scale, low quality network environment.
Summary of the invention
In order to solve the above-mentioned technical problem, the embodiment of the invention provides a kind of synchronous realization sides of file system teledata
Method and system, can be not strong in requirement of real-time, and the remote protecting to file system data is realized under low quality network.
In order to reach purpose of the embodiment of the present invention, the embodiment of the invention provides a kind of file system teledatas to synchronize reality
Existing method, this method may include:
The first text of LocalServer is collected by the sync agent Agent disposed in local server LocalServer
The relevant information of part system data, and the relevant information of the first file system data and preset data comparison algorithm are transferred to
The Data protection services device Server disposed in remote server RemoteServer；
Server is by data comparison algorithm by the of the relevant information of the first file system data and RemoteServer
The relevant information of two file system datas is compared, and in the relevant information and that comparison result is the first file system data
When the relevant information of two file system datas is not identical, comparison result is fed back into Agent；
Agent executes the data between LocalServer and RemoteServer according to the comparison result and synchronizes.
Optionally, this method can also include: Agent according to comparison result execute LocalServer and
Before data between RemoteServer are synchronous, Agent is by the relevant information of the first file system data and the second file system
The corresponding transmission of data blocks of different information is to Server in the relevant information for data of uniting, so that Server is according to the data block
Configure the file system space of RemoteServer.
Optionally, Agent executes the data synchronous package between LocalServer and RemoteServer according to comparison result
It includes:
Agent monitors in real time and obtains the first file of LocalServerr after data block is sent to Server
System log journal information sends the first file system journal information to server；
Server receives the first file system journal information, and the data of the first file system journal information are existed
It is played back in RemoteServer, synchronizes duplication with the data to the first file system journal information, realized
Data between LocalServer and RemoteServer are synchronous.
Optionally, this method can also include:
When the relevant information phase of relevant information and the second file system data that comparison result is the first file system data
Meanwhile Server ignores the comparison result and does not execute the operation for feeding back the comparison result to Agent.
Optionally, this method can also include: in Server that the relevant information of the first file system data and second is literary
Before the relevant information of part system data is compared, Server configuration data synchronous directory, and collect the second file system number
According to relevant information, the relevant information of the second file system data is filled in configuration data synchronous directory；
Wherein, configuration data synchronous directory is used to enumerate the information for needing to carry out the synchronous related data of data.
Optionally, this method can also include: in Server that the relevant information of the first file system data and second is literary
Before the relevant information of part system data is compared, Server monitors the solicited message of Agent, and is listening to solicited message
When the relevant information and data comparison algorithm of the first file system data are obtained from solicited message, transfer the synchronous mesh of configuration data
Record obtains the relevant information of the second file system data.
Optionally, this method can also include: that Agent maintenance is synchronous about the data of the file system of LocalServer
State and data change the first tables of data of record；Server safeguards that the data of the file system about RemoteServer are synchronous
State and data change the second tables of data of record,
When network interruption occurs, Agent and Server respectively originate network interruption to the number in the network recovery period
It is recorded in the first tables of data and the second tables of data according to variation；
When network recovery, Agent and Server are respectively according to the content recorded in the first tables of data and the second tables of data
It is synchronous to carry out data.
Optionally, this method can also include: to preset data buffer zone and data synchronization of time intenals.
Optionally, the relevant information of the first file system data includes: the filesystem information and data of LocalServer
Block message；The relevant information of second file system data includes: the filesystem information and data block information of RemoteServer.
Optionally, data comparison algorithm includes: Message Digest Algorithm 5 MD5.
In order to reach purpose of the embodiment of the present invention, it is synchronous that the embodiment of the invention also provides a kind of file system teledatas
Realization system, the system may include: local server LocalServer, sync agent Agent, remote server Server
With data protection server S erver；
Agent is deployed in LocalServer, the correlation of the first file system data for collecting LocalServer
Information, and the relevant information of the first file system data and preset data comparison algorithm are transferred to Server；
Server is deployed in RemoteServer, for passing through data comparison algorithm for the first file system data
Relevant information and the relevant information of the second file system data of itself are compared, and are the first file system in comparison result
When the relevant information of data and the not identical relevant information of the second file system data, comparison result is fed back into Agent；
Agent, the data for being also used to be executed between LocalServer and RemoteServer according to comparison result are synchronous.
The embodiment of the present invention includes: pass through the sync agent Agent collection disposed in local server LocalServer
The relevant information of the first file system data of LocalServer, and by the relevant information of the first file system data and preset
Data comparison algorithm be transferred to the Data protection services device Server disposed in remote server RemoteServer；Server
By data comparison algorithm by the second file system data of the relevant information of the first file system data and RemoteServer
Relevant information be compared, and comparison result be the first file system data relevant information and the second file system data
Relevant information it is not identical when, comparison result is fed back into Agent；Agent according to the comparison result execute LocalServer and
Data between RemoteServer are synchronous.By the example scheme, low quality network not strong in requirement of real-time is realized
Under to the remote protecting of file system data.
The other feature and advantage of the embodiment of the present invention will illustrate in the following description, also, partly from explanation
It is become apparent in book, or understand through the implementation of the invention.The purpose of the embodiment of the present invention and other advantages can pass through
Specifically noted structure is achieved and obtained in the specification, claims and drawings.
Detailed description of the invention
Attached drawing is used to provide one for further understanding technical solution of the embodiment of the present invention, and constituting specification
Point, it is used to explain the present invention the technical solution of embodiment together with embodiments herein, does not constitute to the embodiment of the present invention
The limitation of technical solution.
Fig. 1 is the file system teledata synchronization realizing method flow chart of the embodiment of the present invention；
Fig. 2 is the file system teledata synchronization realizing method structure principle chart of the embodiment of the present invention；
Fig. 3, which is that the file system teledata of the embodiment of the present invention is synchronous, realizes the system composition block diagram.
Specific embodiment
Understand in order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with attached drawing pair
The embodiment of the present invention is described in detail.It should be noted that in the absence of conflict, embodiment and reality in the application
The feature applied in example can mutual any combination.
Step shown in the flowchart of the accompanying drawings can be in a computer system such as a set of computer executable instructions
It executes.Also, although logical order is shown in flow charts, and it in some cases, can be to be different from herein suitable
Sequence executes shown or described step.
In order to reach purpose of the embodiment of the present invention, the embodiment of the invention provides a kind of file system teledatas to synchronize reality
Existing method, this method may include S101-S103:
S101, collect LocalServer's by the sync agent Agent disposed in local server LocalServer
The relevant information of first file system data, and by the relevant information of the first file system data and preset data comparison algorithm
It is transferred to the Data protection services device Server disposed in remote server RemoteServer.
It in embodiments of the present invention, can be in local server portion as shown in Fig. 2, when being protected to data file
Sync agent Agent is affixed one's name to, and file system, the parameter and data synchronization strategy of data protection Server for needing to back up are set
Deng；Data protection Server can be disposed in remote server, according to the connection request of Agent, Server distribution about
The corresponding synchronous directory of RemoteServer file system carries out data protection to the data of LocalServer file system.
In embodiments of the present invention, when Agent end executes data protection task, Agent end is initialized, and is collected and is counted
Calculate LocalServer filesystem information and data block information, the i.e. relevant information of the first file system data, and with it is preset
Data comparison algorithm is reported to the end Server together.
Optionally, which may include: Message Digest Algorithm 5 MD5.
In embodiments of the present invention, LocalServer and RemoteServer can be compared in such a way that MD5 is verified
File system difference.
S102, Server pass through data comparison algorithm for the relevant information and RemoteServer of the first file system data
The relevant information of the second file system data be compared, and in the relevant information that comparison result is the first file system data
When not identical with the relevant information of the second file system data, comparison result is fed back into Agent.
Optionally, this method can also include: in Server that the relevant information of the first file system data and second is literary
Before the relevant information of part system data is compared, Server configuration data synchronous directory, and collect the second file system number
According to relevant information, the relevant information of the second file system data is filled in configuration data synchronous directory；
Wherein, configuration data synchronous directory is used to enumerate the information for needing to carry out the synchronous related data of data.
In embodiments of the present invention, when the end Server executes data protection task, the end Server is initialized, and configures number
According to synchronous directory, the relevant information of the second file system data of RemoteServer is collected, by the second file system data
Relevant information fills in configuration data synchronous directory.
Optionally, this method can also include: in Server that the relevant information of the first file system data and second is literary
Before the relevant information of part system data is compared, Server monitors the solicited message of Agent, and is listening to solicited message
When the relevant information and data comparison algorithm of the first file system data are obtained from solicited message, transfer the synchronous mesh of configuration data
Record obtains the relevant information of the second file system data.
In embodiments of the present invention, after the end Server is initialized, the end Server can monitor Agent request in real time,
And when listening to the request, obtained from solicited message the first file system data for needing data synchronous relevant information and
Data comparison algorithm, and (wherein can be with by the relevant information of the first file system data of the Agent LocalServer collected
Filesystem information and data block information including LocalServer) (wherein may be used with the relevant information of the second file system data
To include the filesystem information and data block information of RemoteServer) it compares one by one, if the two is not identical, Server
Comparison result is fed back to Agent by end.
Optionally, this method can also include:
When the relevant information phase of relevant information and the second file system data that comparison result is the first file system data
Meanwhile Server ignores the comparison result and does not execute the operation for feeding back the comparison result to Agent.
In embodiments of the present invention, if the phase of the relevant information of the first file system data and the second file system data
Pass both information is identical, then the end Server does not operate, and continues the request next time for monitoring Agent.
S103, Agent execute the data between LocalServer and RemoteServer according to the comparison result and synchronize.
Optionally, this method can also include: Agent according to comparison result execute LocalServer and
Before data between RemoteServer are synchronous, Agent is by the relevant information of the first file system data and the second file system
The corresponding transmission of data blocks of different information is to Server in the relevant information for data of uniting, so that Server is according to the data block
Configure the file system space of RemoteServer.
In embodiments of the present invention, the comparison result information that Agent is fed back according to the end Server, can be by inconsistent number
The end Server is sent to according to block.The end Server can receive the data block of Agent return, and the file system of RemoteServer is written
System.
Optionally, Agent executes the data synchronous package between LocalServer and RemoteServer according to comparison result
It includes:
Agent monitors in real time and obtains the first file of LocalServerr after data block is sent to Server
System log journal information sends the first file system journal information to Server；
Server receives the first file system journal information, and the data of the first file system journal information are existed
It is played back in RemoteServer, synchronizes duplication with the data to the first file system journal information, realized
Data between LocalServer and RemoteServer are synchronous.
In embodiments of the present invention, Agent monitors and obtains the file system journal of LocalServerr (i.e. in real time
First file system journal information), send the journal to server end.Server obtains the journal data, and
The journal data are played back in RemoteServer, data are synchronized into duplication.
Optionally, this method can also include: that Agent maintenance is synchronous about the data of the file system of LocalServer
State and data change the first tables of data of record；Server safeguards that the data of the file system about RemoteServer are synchronous
State and data change the second tables of data of record,
When network interruption occurs, Agent and Server respectively originate network interruption to the number in the network recovery period
It is recorded in the first tables of data and the second tables of data according to variation；
When network recovery, Agent and Server are respectively according to the content recorded in the first tables of data and the second tables of data
It is synchronous to carry out data.
In embodiments of the present invention, the processing to abnormal conditions may be implemented, Agent and Server can safeguard a pass
In own files system synchronous regime and change the tables of data recorded, i.e. the first tables of data and the second tables of data；When generation network
When interruption, Agent and Server be will record from the data variation for interrupting starting to the network recovery period, when network recovery, only
Needing to compare data seldom in the first tables of data and the second tables of data can restore from mistake, reduce data recovery time.
Optionally, this method can also include: to preset data buffer zone and data synchronization of time intenals.
In embodiments of the present invention, to reduce Agent end load, data, which are reported, can retain a certain size with data transmission
Buffer area and/or setting data synchronization of time intenals, data synchronization of time intenals to be adjusted flexibly according to the actual situation.
The embodiment of the present invention is by the comparison of MD5 value, by the file system of LocalServer and RemoteServer
Data compare, execute main calculating and comparison work in RemoteServer, reduce to the performance of LocalServer
It influences.
The acquisition and playback of log are written by file system data for the embodiment of the present invention, to synchronize
The data file of LocalServer and RemoteServer due to only needing to carry out the transmission of log, and passes through asynchronous mode
Carry out merging data write-in I/O (input/output) request, reduce network load, makes it possible to real in low quality network environment
The existing long-range asynchronous replication of file system.
In order to reach purpose of the embodiment of the present invention, it is synchronous that the embodiment of the invention also provides a kind of file system teledatas
Realization system 1, need to illustrate when, any embodiment in above-mentioned embodiment of the method suitable for the system embodiment,
This is no longer going to repeat them.As shown in figure 3, the system may include: local server LocalServer 11, sync agent
Agent 12, remote server RemoteServer 13 and data protection server S erver 14；
Agent 12, is deployed in LocalServer, for collecting first file system data of LocalServer
Relevant information, and the relevant information of the first file system data and preset data comparison algorithm are transferred to Server；
Server 13, is deployed in RemoteServer, for passing through data comparison algorithm for the first file system data
Relevant information and the relevant information of the second file system data of itself be compared, and be the first file system in comparison result
When the relevant information for data of uniting and the not identical relevant information of the second file system data, comparison result is fed back into Agent；
Agent 12, the data for being also used to be executed between LocalServer and RemoteServer according to comparison result are same
Step.
The embodiment of the present invention includes: pass through the sync agent Agent collection disposed in local server LocalServer
The relevant information of the first file system data of LocalServer, and by the relevant information of the first file system data and preset
Data comparison algorithm be transferred to the Data protection services device Server disposed in remote server RemoteServer；Server
By data comparison algorithm by the second file system data of the relevant information of the first file system data and RemoteServer
Relevant information be compared, and comparison result be the first file system data relevant information and the second file system data
Relevant information it is not identical when, comparison result is fed back into Agent；Agent according to the comparison result execute LocalServer and
Data between RemoteServer are synchronous.By the example scheme, low quality network not strong in requirement of real-time is realized
Under to the remote protecting of file system data.
It will appreciated by the skilled person that whole or certain steps, system, dress in method disclosed hereinabove
Functional module/unit in setting may be implemented as software, firmware, hardware and its combination appropriate.In hardware embodiment,
Division between the functional module/unit referred in the above description not necessarily corresponds to the division of physical assemblies；For example, one
Physical assemblies can have multiple functions or a function or step and can be executed by several physical assemblies cooperations.Certain groups
Part or all components may be implemented as by processor, such as the software that digital signal processor or microprocessor execute, or by
It is embodied as hardware, or is implemented as integrated circuit, such as specific integrated circuit.Such software can be distributed in computer-readable
On medium, computer-readable medium may include computer storage medium (or non-transitory medium) and communication media (or temporarily
Property medium).As known to a person of ordinary skill in the art, term computer storage medium is included in for storing information (such as
Computer readable instructions, data structure, program module or other data) any method or technique in the volatibility implemented and non-
Volatibility, removable and nonremovable medium.Computer storage medium include but is not limited to RAM, ROM, EEPROM, flash memory or its
His memory technology, CD-ROM, digital versatile disc (DVD) or other optical disc storages, magnetic holder, tape, disk storage or other
Magnetic memory apparatus or any other medium that can be used for storing desired information and can be accessed by a computer.This
Outside, known to a person of ordinary skill in the art to be, communication media generally comprises computer readable instructions, data structure, program mould
Other data in the modulated data signal of block or such as carrier wave or other transmission mechanisms etc, and may include any information
Delivery media.
Claims (10)
1. a kind of file system teledata synchronization realizing method, which is characterized in that the described method includes:
The first text of the LocalServer is collected by the sync agent Agent disposed in local server LocalServer
The relevant information of part system data, and the relevant information of first file system data and preset data comparison algorithm are passed
It is defeated by the Data protection services device Server disposed in remote server RemoteServer；
The Server is by the data comparison algorithm by the relevant information of first file system data and described
The relevant information of the second file system data of RemoteServer is compared, and is first file system in comparison result
When the relevant information for data of uniting and the not identical relevant information of second file system data, the comparison result is fed back to
The Agent；
The Agent executes the data between the LocalServer and the RemoteServer according to the comparison result
It is synchronous.
2. file system teledata synchronization realizing method according to claim 1, which is characterized in that the method is also wrapped
It includes: executing according to the comparison result data between the LocalServer and the RemoteServer in the Agent
Before synchronization, the Agent is by the phase of the relevant information of first file system data and second file system data
Close in information that the corresponding transmission of data blocks of different information is to the Server, so that the Server is according to the data block
Configure the file system space of the RemoteServer.
3. file system teledata synchronization realizing method according to claim 2, which is characterized in that the Agent root
It executes the data between the LocalServer and the RemoteServer according to the comparison result and synchronizes and include:
The Agent is monitored in real time and is obtained described after the data block is sent to the Server
The first file system journal journal information of LocalServerr, the first file system journal information is sent to
The Server；
The Server receives the first file system journal information, and by the first file system journal information
Data played back in the RemoteServer, synchronized with the data to the first file system journal information
Duplication realizes that the data between the LocalServer and the RemoteServer are synchronous.
4. file system teledata synchronization realizing method according to claim 1, which is characterized in that the method is also wrapped
It includes:
When the phase of relevant information and second file system data that the comparison result is first file system data
When pass information is identical, the Server, which ignores the comparison result and do not execute to the Agent, feeds back the comparison result
Operation.
5. file system teledata synchronization realizing method according to claim 1, which is characterized in that the method is also wrapped
Include: the Server by the relevant information of first file system data it is related to second file system data letter
Before breath is compared, the Server configuration data synchronous directory, and collect the related letter of second file system data
Breath, the relevant information of second file system data is filled in the configuration data synchronous directory；
Wherein, the configuration data synchronous directory is used to enumerate the information for needing to carry out the synchronous related data of data.
6. file system teledata synchronization realizing method according to claim 5, which is characterized in that the method is also wrapped
Include: the Server by the relevant information of first file system data it is related to second file system data letter
Before breath is compared, the Server monitors the solicited message of the Agent, and when listening to the solicited message from institute
The relevant information for obtaining first file system data in solicited message and the data comparison algorithm are stated, the configuration is transferred
Data synchronous directory obtains the relevant information of second file system data.
7. file system teledata synchronization realizing method according to claim 1, which is characterized in that the method is also wrapped
It includes:
The data synchronous regime and data of file system of the Agent maintenance about the LocalServer change record
First tables of data；The data synchronous regime and data of file system of the Server maintenance about the RemoteServer change
Become the second tables of data of record,
When network interruption occurs, the Agent and the Server respectively originate network interruption into the network recovery period
Data variation be recorded in first tables of data and second tables of data；
When network recovery, the Agent and the Server are respectively according to first tables of data and second tables of data
It is synchronous that the content of middle record carries out data.
8. file system teledata synchronization realizing method described in -7 any one according to claim 1, which is characterized in that
The relevant information of first file system data includes: the filesystem information and data block of the LocalServer
Information；The relevant information of second file system data includes: the filesystem information and data of the RemoteServer
Block message.
9. file system teledata synchronization realizing method described in -7 any one according to claim 1, which is characterized in that institute
Stating data comparison algorithm includes: Message Digest Algorithm 5 MD5.
10. a kind of synchronous realization system of file system teledata, which is characterized in that the system comprises: local server
LocalServer, sync agent Agent, remote server RemoteServer and data protection server S erver；
The Agent is deployed in the LocalServer, for collecting the first file system number of the LocalServer
According to relevant information, and the relevant information of first file system data and preset data comparison algorithm be transferred to described
Server；
The Server is deployed in the RemoteServer, for literary by described first by the data comparison algorithm
The relevant information of part system data and the relevant information of the second file system data of itself are compared, and are in comparison result
It, will be described when the relevant information of first file system data and the not identical relevant information of second file system data
Comparison result feeds back to the Agent；
The Agent is also used to be executed between the LocalServer and RemoteServer according to the comparison result
Data it is synchronous.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106330996A (en) * | 2015-06-19 | 2017-01-11 | 中兴通讯股份有限公司 | Cloud desktop roaming method, device and system |
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