CN1996843A - Light distributed file storage system and file upload method - Google Patents
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Abstract
This invention discloses one weight distribution file memory system and its files upload method, wherein, the system list servo, memory servo adopt tree layer network structure with each memory servo connected with more than one memory servo through network with one memory servo; the file memory files upload method can store the files as set strategy into designed servo.
Description
Technical field
The present invention relates to the method for the interconnection or the transmission of a kind of storage system and information, be meant a kind of lightweight distributed file storage system especially, and the method that file is uploaded in the lightweight distributed file storage system.
Background technology
Distributed file system has developed nearly 20 years, and along with the appearance of Internet, people have developed the distributed file system towards Internet.In general the topological structure of distributed file system has two kinds:
A kind of is hub-and-spoke configuration, as " Yan Xing 1.0 " system as national 863 problems, structure as shown in Figure 1, this system is made up of a name server and the special file server of Duo Tai.A file is split into two parts: directory information and fileinfo, and wherein directory information is kept on the name server, and fileinfo is kept on the file server.The major function of name server is the directory information of All Files in the saved system, and provides the filename analysis service to the user." Yan Xing 1.0 " mainly solve is Internet document storage system towards mass users.
A kind of is complete distributed frame, promptly the distributed file system towards Internet as shown in Figure 2 is based on peering structure (P2P, Peer-to-Peer) wide area network distributed store, whole system does not have centralized server, and all nodes all are reciprocity fully.The P2P storage system is carried out large-scale distributed file storage in wide area network, that is to say, the elementary object of P2P storage system be help the user file distribution to a plurality of nodes of wide area network, and guarantee integrality, consistency, the reliabilty and availability of file.Compare with traditional distributed memory system based on cluster or local area network (LAN), this large-scale file distribution has following advantage:
1, memory capacity is big: a memory node in the P2P storage system both can be general personal user's a PC, also can be based on the large storage facilities of cluster.Therefore the P2P storage system is actually all nodes that have storage capacity in the system is integrated into a bigger unified integral body, and the memory space of up to a hundred even thousands of TB is provided.
2, reliability, availability are higher: there is the Single Point of Faliure risk of name server in the distributed system of hub-and-spoke configuration, the name server that the P2P storage system need not to concentrate, in whole Internet, build, file distributes in the world, can be by carry out the reliabilty and availability of file Redundancy Management enhancing file in the wide area network scope.
3, distributed access efficient is higher: file another benefit of distributed store in the world is can visit the file of oneself storing at any time for some users that often are in mobile (such as going on business).
Distributed file system towards Internet has solved the distributed storage of file on wide area network, but there is its limitation in these systems:
(1) no matter be hub-and-spoke configuration, or the P2P structure, be reciprocity between its storage server, can be when file loading and visit according to network distance selection server nearby.But the level of this selection and business organization does not have natural consistency, and in addition, the storage of enterprises has locality, and for each Lower Establishment of tissue, the major part of visit is data from mechanism at the corresponding levels.
(2) secondly, the memory location of distributed document is inner in business organization not exclusively to be transparent also, and a possible reason must be stored on the specified server at the file of some feature of policy requirements of business organization inside.
(3) existing distributed memory system need be installed corresponding software the server and client side, upload to provide, the file in download catalogue, and the software of existing distributed memory system is many based on proprietary protocol, therefore is easy to be shielded by fire compartment wall in network, causes system availability to descend.
Summary of the invention
The objective of the invention is to propose the method that a kind of lightweight distributed file storage system and file are uploaded, main but user that each region access node limited very wide towards Regional Distribution, can make the user with file according to predefined strategy with file storage on specified server, perhaps when not coming into force, strategy preferentially is stored in the storage server of this storage area, to reduce requirement the network bandwidth.
The lightweight distributed file storage system that the present invention proposes comprises LIST SERVER, storage server, client computer, described LIST SERVER, storage server adopt tree type hierarchical network architecture, that is: LIST SERVER connects one or more storage server by network, described every storage server is connected with one or more storage server by network, and client computer connects wherein storage server by network.
The method that the lightweight distributed file storage system file that the present invention proposes is uploaded may further comprise the steps:
(1) user initiates the upload file request to LIST SERVER, and described request information comprises upload file size and the feature description thereof wanted;
(2) LIST SERVER judges whether this user is legal, if validated user then reads the positional information in the log-on message of initiating the request user, enters step (3), otherwise refuses this request, and step finishes;
(3) feature description of inspection upload file, if satisfy the feature of policy definition, LIST SERVER compares the size that the current memory capacity and the user of the storage server of policy definition wants upload file, if more than or equal to, LIST SERVER returns then described storage server link the user and enters step (8), otherwise enters step (4):
(4) LIST SERVER searches out the storage server in user registration area territory according to user position information, and reads the current memory capacity of described storage server;
(5) LIST SERVER compares the size that the current memory capacity and the user of described storage server wants upload file, if the user is returned in the link of described storage server and enters step (8), if less than then entering step (6) more than or equal to LIST SERVER then;
(6) LIST SERVER traces back according to storage area, the storage server in search higher level zone, and want the size of upload file to compare its current memory capacity and user, if the user is returned in the link of described storage server and enters step (8) more than or equal to LIST SERVER then, if less than judging then whether current region is top layer regions, enter step (7) in this way, otherwise get back to step (6);
(7) other storage servers in the LIST SERVER search system, and want the size of upload file to compare its current memory capacity and user, want the link of the storage server of upload file size to return the user greater than the user first current memory capacity that searches, and enter step (8); As if the file size that the current memory capacity of all storage servers all will be uploaded less than the user, then interrupt user's upload request, return error message to the user;
(8) user uploads to corresponding storage server according to the link of the storage server that returns with file.
Wherein, the method that the lightweight distributed file storage system file that the present invention proposes is uploaded is further comprising the steps of: storage server is initiated register requirement to LIST SERVER, LIST SERVER carries out authentication to this storage server, if authentication is by then writing down the authentication information of storage server, if not by then returning registration failure message.
Wherein, the storage capacity information that comprises positional information, storage area information and this storage area of storage server in the registration information.
Wherein, the storage server change is registered to LIST SERVER when being provided with again.
Wherein, the method that the lightweight distributed file storage system file that the present invention proposes is uploaded is further comprising the steps of: the user initiates register requirement to LIST SERVER, LIST SERVER carries out authentication to the user, if the then relevant authentication information of recording user is passed through in authentication, if not by then returning registration failure message.
Wherein, user request information includes user position information.
The method that lightweight distributed file storage system that the present invention proposes and lightweight distributed file storage system file are uploaded, the file that the user can be uploaded according to predefined strategy with file storage on specified server, perhaps when strategy does not come into force, preferentially be stored in the storage server of user region, can accelerate the access speed of user for file, reduction improves the availability of storage system for the requirement of the network bandwidth.
Description of drawings
Fig. 1 is " Yan Xing 1.0 " system configuration schematic diagram;
Fig. 2 is a P2P memory system architecture schematic diagram;
Fig. 3 is the system configuration schematic diagram of the device preferred embodiment of the present invention's proposition;
Fig. 4 is a flow chart of the present invention;
Fig. 5 is the memory interface schematic diagram of storage server of the present invention;
Fig. 6 is the user's download document flowchart.
Embodiment
The lightweight distributed file storage system preferred embodiment flow process that the present invention proposes as shown in Figure 3, comprise LIST SERVER, storage server, described LIST SERVER and storage server adopt tree type hierarchical network architecture, that is: LIST SERVER is positioned at the top of tree type mechanism, storage server connects LIST SERVER by network, forms storage area 1, storage area 2...... storage area n.Each storage server forms storage area 11, storage area 12...... storage area 1n again by network linking number platform subordinate storage server.Storage area being divided more accurate if desired, can be that every subordinate's storage server connects the bottom storage server by network more again.The storage system of this tree type hierarchy can form a storage area with each region, and decide storage policy and directory service is provided by LIST SERVER.For example branch distributes very wide but the limited user of access node each branch in the whole nation, a LIST SERVER can be set, North China's storage server, East China storage server, the Northwest's storage server, southwest storage server are set then, and described storage server is connected with LIST SERVER by network.The storage server of storage area under client computer connects by network, every client computer belongs to and only belongs to a storage area in the system.As preferably,, can be every storage server allocating cache server in order to improve access efficiency.
The method preferred embodiment flow chart of the lightweight distributed file storage system upload file that the present invention proposes as shown in Figure 4, when storage area increases a storage server or change storage server and is provided with, storage server is initiated register requirement to LIST SERVER, LIST SERVER carries out authentication to this storage server, if authentication is by then writing down the authentication information of storage server, if not by then returning registration failure message.Wherein, the storage capacity information that comprises positional information, storage area information and this storage area of storage server in the registration information.
The user must register before using: the user initiates register requirement to LIST SERVER, and LIST SERVER carries out authentication to the user, if the then relevant authentication information of recording user is passed through in authentication, if not by then returning registration failure message.Wherein, user request information includes user position information, and for example the storage area under the user is Beijing, and Pekinese's higher level's storage area is North China, and the root of storage area then is the general headquarters zone; The strategy of storage can define according to user's needs, as: " the patent application document must be stored in the general headquarters zone ";
The user may further comprise the steps when upload file:
(1) user initiates the upload file request to LIST SERVER: the user selects the required file of uploading, and sends the upload file request to LIST SERVER, comprises the size and the file characteristic thereof of the file that the user will upload in the solicited message;
(2) after LIST SERVER was received user's solicited message, at first reading user's materials for registration was Beijing to obtain user's storage area of living in;
(3) feature description of inspection upload file, judge whether patent documentation of upload file, if, then the size that the current memory capacity and the user of general headquarters' storage server wanted upload file compares, if greater than, LIST SERVER returns the storage server link of the storage server definition in general headquarters zone the user and enters step (8), otherwise enters step (4);
(4) LIST SERVER reads the current memory capacity of Beijing storage server;
(5) LIST SERVER compares the size that the current memory capacity and the user of Beijing storage server wants upload file, if greater than then the user being returned in the link of Beijing storage server memory interface and entering step (8), if less than then entering step (6);
(6) LIST SERVER traces back according to storage area and (passes up to the zone, North China for the first time, then pass up to for the second time the general headquarters zone), the storage server in search higher level zone, and want the size of upload file to compare its current memory capacity and user, if the user is returned in the link of described storage server and enters step (8) more than or equal to LIST SERVER then, if less than judging then whether current region is top layer regions, enters step (7) in this way, otherwise get back to step (6);
(7) LIST SERVER reads the current memory capacity of other storage server and size that the user wants upload file compares, want the link of the storage server memory interface of upload file size to return the user greater than the user first current memory capacity that searches and enter step (8), if the file size that the current memory capacity of all storage servers all will be uploaded less than the user, then interrupt user's upload request, return error message to the user;
(8) user uploads onto the server file according to the storage server memory interface link of returning.
As shown in Figure 5, a catalogue of each memory interface respective file system, content just is stored under this catalogue, storage server 1 is divided into memory interface 11, memory interface 12, memory interface 1m, a catalogue of the corresponding local file of each storage port, for example be respectively memory interface 11 corresponding C: Content, memory interface 12 corresponding C: DigtalAsset, memory interface 13 corresponding D: AssetStorage.The advantage that storage server is decomposed into a plurality of memory interfaces is the storage of extension storage server easily, during as the deficiency of the physical store on the server, can add physical hard disk, for the new memory interface of this storage server registration gets final product; On the other hand, when a plurality of physical hard disk is arranged, can realize that the parallel of file read on storage server.
LIST SERVER provides directory service to whole system, specifically comprises:
1) storage server and memory interface thereof registration: the free memory of definition storage server and the memory interface that provides thereof, each memory interface etc. define the access protocal of each memory interface and the link under each access protocal;
2) file management: the directory information of All Files in the register system, and provide the filename analysis service to the user;
3) storage area management: the definition memory territory, system provides memory allocation and visit to optimize service based on storage area;
4) tactical management: system provides storage allocation strategy.
The user's download document flow may further comprise the steps as shown in Figure 6:
1. step 41, the output content client computer of tabulating;
2. step 42, client computer is sent the access to content request to LIST SERVER
3. step 43, LIST SERVER receives request, according to request analysis outfile sign and access protocal, user ID, User IP, further obtain storage area under the user; Determine all memory interfaces at file place according to file identification; Definite according to storage area from the nearest storage server memory interface in visitor zone, and the link of acquisition file;
4. step 44 returns the link of file to client;
5. step 45, client is carried out re-orientation processes according to the link of returning;
6. step 46, client is according to the links and accesses file that returns;
7. step 47, whether storage server has the authority of visit this document to content management server inquiry active user;
8. step 48, content management server returns authority information;
9. step 49 has access rights as if the user, and storage server accepts request, to the client transmissions file; If the user does not have access rights, return error message to the user.
Demand according to the user, the present invention can also be storage server allocating cache server, system is distributed to content on the corresponding caching server according to the statistics of the visit situation of file, and according to the file on the automatically superseded caching server of the strategy of setting, the buffer memory replacement policy comprises the most of users in one's respective area access strategy, minimal user access strategy etc.
Claims (8)
1, a kind of lightweight distributed file storage system, comprise LIST SERVER, storage server, client computer, it is characterized in that: described LIST SERVER, storage server adopt tree type hierarchical network architecture, that is: LIST SERVER connects one or more storage server by network, described every storage server is connected with one or more storage server by network, and client computer connects wherein storage server by network.
2, lightweight distributed file storage system according to claim 1 is characterized in that, described storage server is connected with caching server.
3, the method uploaded of a kind of lightweight distributed file storage system file is characterized in that, may further comprise the steps:
(1) user initiates the upload file request to LIST SERVER, and described request information comprises upload file size and the feature description thereof wanted;
(2) LIST SERVER judges whether this user is legal, if validated user then reads the positional information in the log-on message of initiating the request user, enters step (3), otherwise refuses this request, and step finishes;
(3) check the feature description of upload file, if satisfy the feature of policy definition, LIST SERVER will then be chosen the storage server link of policy definition and return the user and enter step (8), otherwise enter step (4);
(4) LIST SERVER searches out the storage server in user registration area territory according to user position information, and reads the current memory capacity of described storage server;
(5) LIST SERVER compares the size that the current memory capacity and the user of described storage server wants upload file, if the user is returned in the link of described storage server and enters step (8), if less than then entering step (6) more than or equal to LIST SERVER then;
(6) LIST SERVER traces back according to storage area, the storage server in search higher level zone, and want the size of upload file to compare its current memory capacity and user, if the user is returned in the link of described storage server and enters step (8) more than or equal to LIST SERVER then, if less than judging then whether current region is top layer regions, enter step (7) in this way, otherwise get back to step (6);
(7) other storage servers in the LIST SERVER search system, and want the size of upload file to compare its current memory capacity and user, want the link of the storage server of upload file size to return the user greater than the user first current memory capacity that searches, and enter step (8); As if the file size that the current memory capacity of all storage servers all will be uploaded less than the user, then interrupt user's upload request, return error message to the user;
(8) user uploads to corresponding storage server according to the link of the storage server that returns with file.
4, the method uploaded of a kind of lightweight distributed file storage system file as claimed in claim 3 is characterized in that this method is further comprising the steps of:
Storage server is initiated register requirement to LIST SERVER, and LIST SERVER carries out authentication to this storage server, if authentication is by then writing down the authentication information of storage server, if not by then returning registration failure message.
5, the method uploaded of a kind of lightweight distributed file storage system file as claimed in claim 4 is characterized in that, comprises the storage capacity information of positional information, storage area information and this storage area of storage server in the described registration information.
6, the method uploaded of a kind of lightweight distributed file storage system file as claimed in claim 4 is characterized in that, described storage server change is registered to LIST SERVER when being provided with again.
7, the method uploaded of a kind of lightweight distributed file storage system file as claimed in claim 3, it is characterized in that, this method is further comprising the steps of: the user initiates register requirement to LIST SERVER, LIST SERVER carries out authentication to the user, if the then relevant authentication information of recording user is passed through in authentication, if not by then returning registration failure message.
8, the method uploaded of a kind of lightweight distributed file storage system file as claimed in claim 7 is characterized in that described user request information includes user position information.
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| CNB2005101325891A CN100490380C (en) | 2005-12-26 | 2005-12-26 | Light distributed file storage system file uploading method |
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| CNB2005101325891A CN100490380C (en) | 2005-12-26 | 2005-12-26 | Light distributed file storage system file uploading method |
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| CN1996843A true CN1996843A (en) | 2007-07-11 |
| CN100490380C CN100490380C (en) | 2009-05-20 |
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| WO2010099715A1 (en) * | 2009-03-04 | 2010-09-10 | 成都市华为赛门铁克科技有限公司 | Method, system, client and data server for data operation |
| CN101997885A (en) * | 2009-08-18 | 2011-03-30 | 联想(北京)有限公司 | User data scheduling method, server and data center |
| CN101355476B (en) * | 2008-05-23 | 2011-05-11 | 林云帆 | System and method for storing, distributing and applying data files based on server cluster |
| CN102843428A (en) * | 2012-08-14 | 2012-12-26 | 北京百度网讯科技有限公司 | Uploaded data processing system and method |
| CN101764839B (en) * | 2009-12-23 | 2013-01-23 | 成都市华为赛门铁克科技有限公司 | Data access method and uniform resource locator (URL) server |
| CN103095758A (en) * | 2011-11-01 | 2013-05-08 | 北大方正集团有限公司 | Distributed file system and file data processing method thereof |
| CN103731451A (en) * | 2012-10-12 | 2014-04-16 | 腾讯科技（深圳）有限公司 | Method and system for uploading file |
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- 2005-12-26 CN CNB2005101325891A patent/CN100490380C/en not_active Expired - Fee Related
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