CN102497428A - Remote storage system and method for remote storage thereof - Google Patents
Remote storage system and method for remote storage thereof Download PDFInfo
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- CN102497428A CN102497428A CN201110414084XA CN201110414084A CN102497428A CN 102497428 A CN102497428 A CN 102497428A CN 201110414084X A CN201110414084X A CN 201110414084XA CN 201110414084 A CN201110414084 A CN 201110414084A CN 102497428 A CN102497428 A CN 102497428A
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Abstract
The invention discloses a remote storage system and a method for remote storage thereof. The remote storage system manages files by means of virtual directories, organizes the files and the directories according to the structural way, records remote storage configuration by utilizing nodes as units, and organizes different remote files for local service by means of virtual directories. The remote storage system comprises a client side program and a server side program and realizes the cloud storage of mass data while quickly calling frequently-used data simultaneously by the aid of data exchange of a cache storage space between a private storage space and a cloud storage space.
Description
Technical field
The present invention relates to a kind of system of remote storage, also relate to the method that a kind of remote storage system carries out remote storage.
Background technology
Along with informationalized development, need data quantity stored increasing, and no longer be that single equipment can be accomplished storage, but accomplish the storage of mass data by the service network that device clusters is formed.
The remote storage service must cause the clustered of storage resources, must bring the safety problem on data access border, based on the existing information application; Must take into account on the basis of private data; According to the content of data, with usage frequency data not high, that safety requirements is low relatively, on publicly-owned storage resources, moving progressively; And data privately owned, that privacy degrees is high, usage frequency is high, gradually to privately owned memory space migration.
And present remote storage system, the unidirectional often data with this locality storage are to server migration, and because problems such as network communication environment; The user is when passing through the device access remote resource, and often respective reaction speed is slow, makes the user feel inconvenience very; And to the characteristic of the frequency this respect that uses; Be to lean on user oneself to judge, be about to which deposit data on remote medium storage, which is placed on this locality.
Simultaneously; In the different application different aspects, different for the control of data access, in an Operational Visit territory; Form by private data and publicly-owned data; Wherein publicly-owned data are divided into private data and publicly-owned data again by in the Operational Visit territory of a last aspect, satisfy actual application demand like this.
Summary of the invention
To the defective that exists in the prior art, technical problem to be solved by this invention provides a kind of remote storage system and method.
In order to solve these problems of the prior art, technical scheme provided by the invention is:
A kind of remote storage system; Comprise several memory devices; The memory space that it is characterized in that said memory device comprises the remote storage space that privately owned memory space, buffer memory space and selectivity are provided with; Said memory device is provided with memory scheduling system and the catalog manager that is used to generate with managing structured cloud storage directory; Said memory scheduling system comprises that the file that is used for according to storage policy needs being carried out remote storage is stored to the client-side program in said buffer memory space from said privately owned memory space, and be used for according to storage policy with said buffer memory space the server in file storage to said remote storage space;
When the user carries out write operation to file; Said client-side program detects it; If meet storage policy, then after write operation is accomplished, related data is stored to the buffer memory space from said privately owned memory space, and said cloud storage directory is upgraded and mark through catalog manager; When the user reads to such an extent that operate to file; Said client-side program detects it according to the cloud storage directory of directory management management, if when detecting related data and being stored in the remote storage space, then said server reads said related data and is copied in the said buffer memory space.
Preferably; Said cloud storage directory is the file virtual directory according to the directory tree tissue; It comprises application node, directory node, three kinds of node types of Archive sit; And the corresponding storage policy of record on each node, said storage policy comprises: use the inspection rule of remote storage and the address of remote storage.
Preferably; Said buffer memory space is used for the middle exchange of data of said client-side program and server; It is the memory space that client-side program and server all can be visited; Said client-side program and server end program are through said cloud storage directory log file reference address and time, version information, lastest imformation.
Preferably, said buffer memory spatial content confirms, and according to file reference count queue stores from big to small, wherein the minimum file of reference count overflows formation.
Preferably, said client-side program checks that through keeping watch on the read-write of existing file system the characteristic of its data and operation judges whether to trigger the remote storage operation.
Preferably, said client-side program and server end program be all through its cloud storage directory, the data of managing and visiting its cloud space, and carry out contrast and merging between the different virtual catalogue according to cloud storage directory structure.
Preferably, said server is through said cloud storage directory, and management is distributed in the memory space of the granted access of at least one memory device on the network.
Preferably, said server can form parallel with other servers or the superior and the subordinate's networking through the storage policy in the cloud storage directory node of its configuration.
Another object of the present invention is to provide a kind of method that adopts remote storage system to carry out remote storage, it is characterized in that, comprise the steps:
(1) client-side program copies to the buffer memory space according to the storage policy of cloud storage directory and node thereof with privately owned memory space data, and by the buffer memory spatial synchronization to the remote storage space;
(2) server is according to cloud storage directory and node configuration thereof, and migration data between the remote storage space is in the time of insufficient memory, to the space that higher level's memory space please be looked for novelty;
(3) server is responsible for the data that usage count is high, copies to the local cache storage space from higher level's memory space and accelerates access speed.
Core concept of the present invention is: utilize the mode management document of cloud storage directory, its medium cloud storage directory comprises three kinds of node types: application node, directory node, Archive sit are the management of the data of unit to realize file.Wherein each node can recording strategy storage, and is default according to the local file directory stores, supports remote storage simultaneously.Storage policy comprises: service routine, service routine reference address, safety inspection strategy, reference count.
This remote storage system comprises at least one memory device; Said memory device comprises privately owned memory space and buffer memory memory space and optionally is provided with the remote storage space; Also be provided with the memory scheduling system on the said memory device; Said memory scheduling system comprises the client-side program that is used for being stored to from said privately owned memory space according to the file that storage policy carries out needs remote storage said buffer memory space; And be used for according to storage policy with said buffer memory space file storage to the server in said remote storage space, said memory device also comprises the catalog manager that is used to generate with managing structured cloud storage directory; When operation that the user writes file; Said client-side program detects it; If meet storage policy, then after the operation of writing is accomplished, related data is stored to the buffer memory space from said privately owned memory space, and said cloud storage directory is upgraded and mark; When the user reads to such an extent that operate to file; Said client-side program detects it according to said cloud storage directory, if when detecting related data and being stored in far-end, then said server is copied to said related data in the said buffer memory space.
The method of the invention and system; Realized passing through to divide privately owned memory space, buffer memory space, cloud memory space; And the client-side program through remote storage, server are based on the management of cloud storage directory; Between privately owned memory space and remote storage space, carry out data sync, data according to stored configuration that usage count is low, safety requirements are moved on the remote medium storage, and the data that usage count is high, safety requirements is high are moved on the local storage medium; The present invention had both solved the memory space requirement of the mass data of data, made the user have very fast response speed for the high remote storage data of video frequency simultaneously.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further described:
Fig. 1 is the system architecture sketch map of remote storage system of the present invention;
Fig. 2 is the data migration flow chart of remote storage system of the present invention.
Embodiment
Below in conjunction with specific embodiment such scheme is further specified.Should be understood that these embodiment are used to the present invention is described and are not limited to limit scope of the present invention.The implementation condition that adopts among the embodiment can be done further adjustment according to the condition of concrete producer, and not marked implementation condition is generally the condition in the normal experiment.
Embodiment
Like Fig. 1～shown in Figure 2; This remote storage system comprises N memory device; Structure is as shown in Figure 1: device memory comprises privately owned memory space 33, buffer memory space 34, remote storage space 35, and wherein equipment necessarily has privately owned memory space 33; Buffer memory space 34, and remote storage space 35 is configurable or do not have.
Client-side program 31 can be to privately owned memory space 33, and the data in the buffer memory space 34 are read and write, and server 32 then can be to being managed by the buffer memory space 34 of its management and remote storage space 35,36 etc.Be that every equipment is installed a client-side program, manage the privately owned memory space and the buffer memory memory space of this equipment; Each equipment can be selected to dispose remote storage space 35 or select to be equipped with simultaneously server 32; Server is then managed M remote storage space and N buffer memory space, and M, N are two different configurable number here.
The process of its data migration is as shown in Figure 2: in the time of reading and writing data; Filter through cloud storage client-side program; When finding that its operation meets the cloud memory requirement, trigger cloud stores service 23, promptly according to the cloud stored configuration; Data are moved in the interim buffer memory space (among Fig. 2 24); And by server it is synchronized to the memory space of appointment between at one's leisure, and server 32 is according to the content tab of data, data are assigned in the different memory space at one's disposal (among Fig. 2 25) according to classification and frequency of utilization.
There is data flowing to both direction in said process in concrete the application:
1) low-frequency data of private room is moved to the remote storage space
The data of promptly working as the privately owned memory space of equipment are in write operation; Trigger local cloud storage client-side program 31, this program checkout data checks condition composite configuration rule is then after these data are accomplished the write operation at private room; Trigger remote storage client-side program 31 and it is moved to the buffer memory space of equipment in computer free time; And the catalogue of renewal local datastore, mark this document has carried out remote storage, and its remote storage reference address of mark.
When remote storage server end program 32 finds that there is renewal in its related buffer memory space, data updated according to its memory requirement, is dumped in the respective remote memory space.
2) high-frequency data in the remote storage space is moved to the buffer memory space
When the data of the privately owned memory space of equipment in read operation; Trigger local remote storage client-side program 31; This program finds that according to the catalogue of data virtual storage the corresponding data of this node are remote storage, promptly sends request of data to remote storage server end program 32; The file frequency of utilization that needs when discovery is higher than Configuration Values, then asks remote storage server end program 32 that related data is copied in its equipment corresponding cache memory space.
The remote storage service of application examples electronic health record is used
Remote storage service with electronic health record is an example below, introduces related application of the present invention.At Community Health Station, the regular service crowd is 22000 people, wherein has the slow disease about 300 people to nurse the sufferer personnel.
Community Health Station; Connect to call the electronic health record of hospital with regional hospital through network; What data volume was maximum in the electronic health record is various medical imaging files, and for example CT photo, X-ray examination photo etc. are because the resolution of electronic photo is high; Often exist each photo files size to surpass 100M.In view of the existing server of Community Health Station, the personnel that often use are about 300 people, promptly just can satisfy the requirement of storage at the 300G memory space, and the information that is of little use then mainly is stored on the large server of ground district hospital.
When reading patient history; Read the cloud storage directory; Find it when client-side program and be stored on the remote system, then notify remote storage server end program, the remote storage service routine accesses relevant case history and sends to client-side program; Client-side program is buffered in the program of accepting in the buffer memory space of this storage medium, and offers user's use.
Newly-increased patient history content is; Client-side program monitoring local file read-write operation, after local write operation is accomplished, the cloud storage directory that inspection is corresponding; Check whether it meets the rule of remote storage; If meet the rule of remote storage, then associated documents are moved to the buffer memory space, and rewrite the node configuration information of cloud storage directory.Server finds that the cloud storage directory in local cache storage space upgrades, and then with newly-increased file, according to storage policy, is synchronized on the remote medium storage.
In the above-mentioned application, for buffer memory space file, client-side program and server all can be managed, and can increase file, deleted file newly.But deleted file must be followed following rule:
1. when increasing file newly, when the disk storage space in buffer memory space is not enough;
2. can only delete the file that reference count is minimum, safety requirements is minimum in the medium cloud storage directory of buffer memory space, till the free space in buffer memory space is enough deposited newly-increased file.
Above-mentioned instance only is explanation technical conceive of the present invention and characteristics, and its purpose is to let the people who is familiar with this technology can understand content of the present invention and enforcement according to this, can not limit protection scope of the present invention with this.Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.All equivalent transformations that spirit is done according to the present invention or modification all should be encompassed within protection scope of the present invention.
Claims (9)
1. remote storage system; Comprise several memory devices; The memory space that it is characterized in that said memory device comprises the remote storage space that privately owned memory space, buffer memory space and selectivity are provided with; Said memory device is provided with memory scheduling system and the catalog manager that is used to generate with managing structured cloud storage directory; Said memory scheduling system comprises that the file that is used for according to storage policy needs being carried out remote storage is stored to the client-side program in said buffer memory space from said privately owned memory space, and be used for according to storage policy with said buffer memory space the server in file storage to said remote storage space;
When the user carries out write operation to file; Said client-side program detects it; If meet storage policy, then after write operation is accomplished, related data is stored to the buffer memory space from said privately owned memory space, and said cloud storage directory is upgraded and mark through catalog manager; When the user reads to such an extent that operate to file; Said client-side program detects it according to the cloud storage directory of directory management management, if when detecting related data and being stored in the remote storage space, then said server reads said related data and is copied in the said buffer memory space.
2. remote storage system according to claim 1; It is characterized in that: said cloud storage directory is the file virtual directory according to the directory tree tissue; It comprises application node, directory node, three kinds of node types of Archive sit; And the corresponding storage policy of record on each node, said storage policy comprises: use the inspection rule of remote storage and the address of remote storage.
3. remote storage system according to claim 1; It is characterized in that: said buffer memory space is used for the middle exchange of data of said client-side program and server; It is the memory space that client-side program and server all can be visited; Said client-side program and server end program are through said cloud storage directory log file reference address and time, version information, lastest imformation.
4. remote storage system according to claim 1 is characterized in that: said buffer memory spatial content confirms, and according to file reference count queue stores from big to small, wherein the minimum file of reference count overflows formation.
5. remote storage system according to claim 1 is characterized in that: said client-side program checks that through keeping watch on the read-write of existing file system the characteristic of its data and operation judges whether to trigger the remote storage operation.
6. remote storage system according to claim 1; It is characterized in that: said client-side program and server end program are all through its cloud storage directory; The management and the data of visiting its cloud space, and carry out contrast and merging between the different virtual catalogue according to cloud storage directory structure.
7. remote storage system according to claim 1 is characterized in that: said server is through said cloud storage directory, and management is distributed in the memory space of the granted access of at least one memory device on the network.
8. remote storage system according to claim 1 is characterized in that: said server can form parallel with other servers or the superior and the subordinate's networking through the storage policy in the cloud storage directory node of its configuration.
9. a method that adopts any described remote storage system of claim 1～8 to carry out remote storage is characterized in that, comprises the steps:
(1) client-side program copies to the buffer memory space according to the storage policy of cloud storage directory and node thereof with privately owned memory space data, and by the buffer memory spatial synchronization to the remote storage space;
(2) server is according to cloud storage directory and node configuration thereof, and migration data between the remote storage space is in the time of insufficient memory, to the space that higher level's memory space please be looked for novelty;
(3) server is responsible for the data that usage count is high, copies to the local cache storage space from higher level's memory space and accelerates access speed.
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| CN102882885A (en) * | 2012-10-17 | 2013-01-16 | 北京卓微天成科技咨询有限公司 | Method and system for improving cloud computing data security |
| CN102882928A (en) * | 2012-08-31 | 2013-01-16 | 浪潮电子信息产业股份有限公司 | Hierarchical storage management method of cloud storing system |
| CN102946415A (en) * | 2012-10-18 | 2013-02-27 | 北京华胜鸣天科技有限公司 | Implementation method and device for local application of mobile terminal |
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| CN102882928A (en) * | 2012-08-31 | 2013-01-16 | 浪潮电子信息产业股份有限公司 | Hierarchical storage management method of cloud storing system |
| CN102882885B (en) * | 2012-10-17 | 2015-07-01 | 北京卓微天成科技咨询有限公司 | Method and system for improving cloud computing data security |
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| CN103944958A (en) * | 2014-03-14 | 2014-07-23 | 中国科学院计算技术研究所 | Wide area file system and implementation method |
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| CN105991687B (en) * | 2015-02-03 | 2019-09-17 | 阿里巴巴集团控股有限公司 | A kind of service management and device |
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