CN107491551A - A kind of distributed file system realizes the method and device that client accesses - Google Patents
A kind of distributed file system realizes the method and device that client accesses Download PDFInfo
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- CN107491551A CN107491551A CN201710764986.3A CN201710764986A CN107491551A CN 107491551 A CN107491551 A CN 107491551A CN 201710764986 A CN201710764986 A CN 201710764986A CN 107491551 A CN107491551 A CN 107491551A
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- file system
- root
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- carry
- export
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/10—File systems; File servers
- G06F16/17—Details of further file system functions
- G06F16/178—Techniques for file synchronisation in file systems
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/10—File systems; File servers
- G06F16/16—File or folder operations, e.g. details of user interfaces specifically adapted to file systems
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/10—File systems; File servers
- G06F16/18—File system types
- G06F16/182—Distributed file systems
- G06F16/1824—Distributed file systems implemented using Network-attached Storage [NAS] architecture
- G06F16/183—Provision of network file services by network file servers, e.g. by using NFS, CIFS
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- Theoretical Computer Science (AREA)
- Data Mining & Analysis (AREA)
- Databases & Information Systems (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
Abstract
The invention discloses the method and device that a kind of distributed file system realizes client access, including：In response to the access request of client, root carry is sent to the file system by the operate interface of file system and asked；By the operate interface, the root carry information returned by the file system is obtained；The synchronous root carry information forms the carry information corresponding with the Export directoey, the carry message reference file system for passing through the Export directoey in order to the client to multiple Export directoeys.Method and device provided by the present invention, occupancy of the carry to distributed file system internal memory is effectively reduced, improve the stability of distributed file system stability and business.
Description
Technical field
The present invention relates to computer electronic applications, realize what client accessed more particularly to a kind of distributed file system
Method and device.
Background technology
As computer electronic applications constantly develop, people pursue bigger data space and calculated faster
Speed.Distributed file system can meet people to mass data storage and calculate requirement.The design of distributed file system
Based on server and client side.Distributed file system refers to that the physical memory resources of file system management pass through computer network
It is connected with node, a typical network may include multiple servers accessed for multiple client.
In the environment of distributed file system, when client accesses the resource in file system, it is necessary to pass through NAS
(network attached storage) server exports share directory, and client is by carry share directory so as to accessing the money in file system
Source.
Fig. 1 is refer to, Fig. 1 is that distributed file system realizes the method flow diagram that client accesses in the prior art.It is existing
In some distributed file systems, for nas server, when a client needs to access file system, lead accordingly
Going out catalogue just needs to carry out the client of a carry, the i.e. corresponding file system of each Export directoey with file system,
And file system can give each client to distribute certain resource.Each client corresponds to certain resource, takes distributed
A part of memory headroom of file system.Nas server includes multiple Export directoeys, then multiple Export directoeys are corresponding repeatedly hangs
Carry, multiple carry can take the very big memory headroom of distributed file system, so as to influence distributed file system stability and
The stability of business.
In summary as can be seen that being mesh to the occupancy of file system internal memory when how to reduce client access file system
Before have the problem of to be solved.
The content of the invention
It is an object of the invention to provide the method and device that a kind of distributed file system realizes client access, to solve
The problem of internal memory of file system excessively being taken when client accesses file system in the prior art.
In order to solve the above technical problems, the present invention, which provides a kind of distributed file system, realizes the method that client accesses,
Including：In response to the access request of client, root is sent to the file system by the operate interface of file system and hung
Carry request；By the operate interface, the root carry information returned by the file system is obtained；The synchronous root
Carry information forms the carry information corresponding with the Export directoey, in order to which the client is led to multiple Export directoeys
Cross the carry message reference file system of the Export directoey.
Preferably, when the client stops accessing the file system, the root of the file system is unloaded.
Preferably, after the root of the unloading file system, discharge and hung corresponding to the file system root directory
Information carrying ceases.
Preferably, when the client stops accessing the file system, the extension corresponding to the Export directoey is discharged
Information carrying ceases.
Present invention also offers the device that a kind of distributed file system realizes client access, including：
Request module, for the access request at customer in response end, by the operate interface of file system to the file system
System sends the request of root carry；
Receiving module, for by the operate interface, obtaining the root carry information returned by the file system；
Synchronization module：For the synchronous root carry information to multiple Export directoeys, formed and the Export directoey
Corresponding carry information, the carry message reference file system for passing through the Export directoey in order to the client.
Preferably, in addition to Unload module, when stopping accessing the file system for the client, the text is unloaded
The root of part system.
Preferably, in addition to release module, after the root for unloading the file system, the file system is discharged
Carry information corresponding to system root.
Preferably, when the client stops accessing the file system, the release module discharges the Export directoey
The corresponding carry information.
A kind of distributed file system provided by the present invention realizes the method and device that client accesses, and is needed in client
When accessing file system, the request of root carry is sent to the operate interface of file system, file system passes through operate interface
After returning to root directory information；Using method and device provided by the present invention, by the carry synchronizing information of the root at most
In individual Export directoey, the carry information corresponding with the Export directoey is formed, the client can be believed according to the carry
Breath accesses file system.
According to the above method and device, client is when accessing file system, the carry letter of corresponding multiple Export directoeys
Breath is identical with root carry information, and multiple Export directoeys have only carried out a carry, effectively reduces carry to distributed text
The occupancy of part Installed System Memory, improve the stability of distributed file system stability and business.
Brief description of the drawings
, below will be to embodiment or existing for the clearer explanation embodiment of the present invention or the technical scheme of prior art
The required accompanying drawing used is briefly described in technology description, it should be apparent that, drawings in the following description are only this hair
Some bright embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can be with root
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the schematic diagram that distributed file system realizes the method that client accesses in the prior art；
Fig. 2 is the first specific implementation that distributed file system provided by the present invention realizes the method that client accesses
The flow chart of example；
Fig. 3 is Fig. 2 idiographic flow schematic diagram；
Fig. 4 is second of specific implementation that distributed file system provided by the present invention realizes the method that client accesses
The flow chart of example；
Fig. 5 is the structural frames that a kind of distributed file system provided in an embodiment of the present invention realizes the device that client accesses
Figure；
The distributed file system that Fig. 6 is provided by Fig. 5 realizes the workflow block diagram for the device that client accesses.
Embodiment
The core of the present invention is to provide a kind of distributed file system and realizes the method and device that client accesses, and effectively subtracts
Occupancy of the carry to distributed file system internal memory is lacked.
In order that those skilled in the art more fully understand the present invention program, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.Obviously, described embodiment is only part of the embodiment of the present invention, rather than
Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, belongs to the scope of protection of the invention.
Fig. 2 and Fig. 3 are refer to, Fig. 2 is that distributed file system provided by the present invention realizes the method that client accesses
The first specific embodiment flow chart；Fig. 3 is Fig. 2 idiographic flow schematic diagram；The first specific embodiment includes following
Step：
Step S201：In response to the access request of client, by the operate interface of file system to the file system
Send the request of root carry；
The operate interface of the file system refers to the communication protocol between server.
Step S202：By the operate interface, the root carry information returned by the file system is obtained；
Step S203：The synchronous root carry information is formed relative with the Export directoey to multiple Export directoeys
The carry information answered, the carry message reference file system for passing through the Export directoey in order to the client.
Client described above is identical with the number of Export directoey and is not construed as limiting.
As described in Figure 3, in this specific embodiment, nas server asks carry to the root Export directoey of file system；Text
Part system returns to root carry information by operate interface to nas server, and client can pass through the root of root Export directoey
Catalogue carry information conducts interviews to file system；Nas server is by root carry synchronizing information to Export directoey, so as to visitor
File system is realized by the carry information in Export directoey and accessed in family end.
In the prior art, if it is desired to which the client number of access is n, and the number of corresponding Export directoey is also n, file
X is saved as in each carry client distribution of system, n client accounts for n*x internal memories altogether.
In this specific embodiment, no matter the Export directoey of how many client and respective number, nas server only can be with text
The root of part system carries out carry, that is, only takes up the internal memory of file system x sizes, effectively reduce carry to distributed document
The occupancy of Installed System Memory, improve the stability of distributed file system stability and business.
Fig. 4 is refer to, Fig. 4 is that distributed file system provided by the present invention realizes the second of the method that client accesses
The flow chart of kind specific embodiment.
On the basis of the first specific embodiment, in this specific embodiment, when client stops accessing, root is added
Catalogue unload and or carry information discharge the step of, specifically include following steps：
Step S401：Start nas server；
Step S402：In response to the access request of client, by the operate interface of file system to the file system
Send the request of root carry；
Step S403：By the operate interface, the root carry information returned by the file system is obtained；
Step S404：The synchronous root carry information is formed relative with the Export directoey to multiple Export directoeys
The carry information answered；
Step S405：Carry message reference file system of the client corresponding on Export directoey；
Step S406：Client stops accessing file system, unloads root Export directoey；
Step S407：Discharge root carry information；
Step S408：Discharge carry information corresponding to multiple Export directoeys.
In actual applications, it can on demand choose whether to unload root Export directoey, after root Export directoey is not needed, unload
Load root Export directoey can reduce the occupancy to nas server internal memory.When client terminates to access file system, can also release
Root carry information is put, releases the internal memory shared by root carry information.Accordingly, with can be by catalogue carry information
Release, saves more memory headrooms.Certainly, root Export directoey, release root carry information and release export mesh are unloaded
The time of carry information is not construed as limiting corresponding to record, can progressively carry out, and can also carry out wantonly two step simultaneously or carry out simultaneously
Three steps.Unload root Export directoey, release root carry information and the time order and function for discharging carry information corresponding to Export directoey
Or how much the number of execution wherein step has no effect on the realization of this specific embodiment.
Fig. 5 is refer to, Fig. 5 is that a kind of distributed file system provided in an embodiment of the present invention realizes the dress that client accesses
The structured flowchart put；Specific device can include：
Request module 100, for the access request at customer in response end, by the operate interface of file system to the file
System sends the request of root carry；
Receiving module 200, for by the operate interface, obtaining the root carry returned by the file system and believing
Breath；
Synchronization module 300：For the synchronous root carry information to multiple Export directoeys, formed and the export mesh
Carry information corresponding to picture recording, the carry message reference file system for passing through the Export directoey in order to the client
System.
In present apparatus specific implementation, it may further include：
Unload module 400, when stopping accessing the file system for the client, unload the root of the file system
Catalogue；
Release module 500, after the root for unloading the file system, discharge the root carry information
With or Export directoey corresponding to carry information.
Above-mentioned request module 100 and receiving module 200 may be collectively referred to as to connection module 600.It will can realize to file system
System root carry simultaneously obtains the module of the root carry information returned by the file system as to connection module.
Realize that the device that client accesses is introduced to distributed file system provided in an embodiment of the present invention below, under
The distributed file system of text description realizes that the device that client accesses realizes client with above-described distributed file system
The method that end accesses can be mutually to should refer to.
The distributed file system of the present embodiment realizes that the device that client accesses is used to realize foregoing distributed document
System realizes the method that client accesses, therefore distributed file system realizes the specific embodiment party in the device that client accesses
The visible distributed file system hereinbefore of formula realizes the embodiment part for the method that client accesses, for example, request module
100, receiving module 200, synchronization module 300, it is respectively used to realize that above-mentioned distributed file system realizes the side that client accesses
Step S101, S102 and S103 in method, so, its embodiment is referred to retouching for corresponding various pieces embodiment
State, will not be repeated here.
Fig. 6 is refer to, the distributed file system that Fig. 6 is provided by Fig. 5 realizes the workflow for the device that client accesses
Journey block diagram.
When multiple client needs to conduct interviews to file system, connection module 600 is asked to file in nas server
The root of system carries out carry, and obtains root carry information；Synchronization module 300 is by the root carry synchronizing information
To multiple Export directoeys, client can be conducted interviews by corresponding Export directoey to file system；Stop visiting in client
When asking, Unload module 400 unloads root Export directoey on demand；Release module 500 discharge the root carry information and or lead
Go out carry information corresponding to catalogue.Therefore, when having multiple client to need to conduct interviews to file system, nas server only needs
Carry is carried out to file system, effectively reduce occupancy of the carry to distributed file system internal memory, improve distribution
The stability of formula file system stability and business.
Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be with it is other
The difference of embodiment, between each embodiment same or similar part mutually referring to.For dress disclosed in embodiment
For putting, because it is corresponded to the method disclosed in Example, so description is fairly simple, related part is referring to method part
Explanation.
Professional further appreciates that, with reference to the unit of each example of the embodiments described herein description
And algorithm steps, can be realized with electronic hardware, computer software or the combination of the two, in order to clearly demonstrate hardware and
The interchangeability of software, the composition and step of each example are generally described according to function in the above description.These
Function is performed with hardware or software mode actually, application-specific and design constraint depending on technical scheme.Specialty
Technical staff can realize described function using distinct methods to each specific application, but this realization should not
Think beyond the scope of this invention.
Directly it can be held with reference to the step of method or algorithm that the embodiments described herein describes with hardware, processor
Capable software module, or the two combination are implemented.Software module can be placed in random access memory (RAM), internal memory, read-only deposit
Reservoir (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technology
In any other form of storage medium well known in field.
The method and device for realizing client access to distributed file system provided by the present invention above are carried out
It is discussed in detail.Specific case used herein is set forth to the principle and embodiment of the present invention, above example
Illustrate to be only intended to help the method and its core concept for understanding the present invention.It should be pointed out that the common skill for the art
For art personnel, under the premise without departing from the principles of the invention, some improvement and modification can also be carried out to the present invention, these change
Enter and modify to also fall into the protection domain of the claims in the present invention.
Claims (8)
1. a kind of distributed file system realizes the method that client accesses, it is characterised in that including：
In response to the access request of client, root carry is sent to the file system by the operate interface of file system
Request；
By the operate interface, the root carry information returned by the file system is obtained；
The synchronous root carry information forms the carry information corresponding with the Export directoey to multiple Export directoeys,
The carry message reference file system for passing through the Export directoey in order to the client.
2. the method as described in claim 1, it is characterised in that also include：The client stops accessing the file system
When, unload the root of the file system.
3. method as claimed in claim 2, it is characterised in that also include after the root of the unloading file system：
Discharge carry information corresponding to the file system root directory.
4. the method as described in any one of claims 1 to 3, it is characterised in that also include：The client stops described in access
During file system, the carry information corresponding to the Export directoey is discharged.
5. a kind of distributed file system realizes the device that client accesses, it is characterised in that including：
Request module, for the access request at customer in response end, sent out by the operate interface of file system to the file system
Root carry is sent to ask；
Receiving module, for by the operate interface, obtaining the root carry information returned by the file system；
Synchronization module：For the synchronous root carry information to multiple Export directoeys, formed relative with the Export directoey
The carry information answered, the carry message reference file system for passing through the Export directoey in order to the client.
6. device as claimed in claim 5, it is characterised in that also include：
Unload module, when stopping accessing the file system for the client, unload the root of the file system.
7. device as claimed in claim 6, it is characterised in that also include：
Release module, after the root for unloading the file system, discharge and hung corresponding to the file system root directory
Information carrying ceases.
8. the device as described in any one of claim 5 to 7, it is characterised in that also include：The client stops described in access
During file system, the release module discharges the carry information corresponding to the Export directoey.
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| CN201710764986.3A CN107491551B (en) | 2017-08-30 | 2017-08-30 | Method and device for realizing client access of distributed file system |
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| CN201710764986.3A CN107491551B (en) | 2017-08-30 | 2017-08-30 | Method and device for realizing client access of distributed file system |
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Cited By (2)
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| CN116501713A (en) * | 2023-06-26 | 2023-07-28 | 成都谐盈科技有限公司 | Method for realizing distributed file system |
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| CN107491551B (en) | 2021-04-06 |
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