CN103218175A - Multi-tenant cloud storage platform access control system - Google Patents
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Abstract
The invention discloses a multi-tenant cloud storage platform access control system, comprising a metadata server group and a storage server group, wherein the metadata server group and the storage server group communicate by a virtual storage control bridge. The multi-tenant cloud storage platform access control system disclosed by the invention has the advantage that when the quantity and the loads of tenants are increased or reduced, the flexibility of the system is improved by adding or deleting servers, the dealing with the change of the loads is realized by distribution of the system to resources among the tenants, and the mutual influence among the performances of the tenants is avoided, so that the higher resource utilization rate is maintained, and meanwhile the safety guarantee is provided for all the tenants; and safety verification is carried out on requests of all the tenants by a virtual storage controller, meanwhile, the concurrent access performance of the metadata is improved due to arrangement of a high-speed cache, and the fault recovery time of the servers is reduced due to a delayed loading strategy of the cache, so that the purpose of improving flexibility, expansibility, economic high efficiency and safety of multi-tenant access data is achieved.
Description
Technical field
The present invention relates to the cloud computing field, particularly, relate to a kind of many tenants' cloud storage platform access control system.
Background technology
Many tenants technology comes from generation nineteen sixty; many companies are in order to use more calculation resources; calculation resources to the provider leases some of holding mainframe (Mainframe); and these users often can use identical application program; can decide user's account ID at that time with the data that the user imports when the login system; based on this ID; the supplier of Mainframe can utilize this ID to come the resource use amount of calculation operations; comprise CPU; storer and floppy disk or tape etc., this practice also is used in the product line of its R/1 to R/3 by SAP company.To generation nineteen ninety, application program service supplier's service (application service provider) pattern occurs, its practice and operating mode are identical when renting mainframe, the resource of but renting is on software, except operating system, also comprised the application program on it, for example application such as ERP system or CRM, system may operate on several the different machines, or at identical main frame but share different databases, to distinguish the also resource use amount of computing client, use as the standard of chargeing, and this technology is also effectively reduced supplier's entity machine cost (because can move a plurality of user simultaneously on a computer rented program process).To the modern times, welcome consumer-oriented web application, as Hotmail or Gmail etc. also is to support all users with single application platform, this has been the result of the natural evolvement of many tenants technology, and many tenants technology also can allow a part of user among the client further be customized their application program.Under the expansion of the maturation of virtual (virtualization) technology and application, many tenants technology can be controlled virtualized platform, more strengthens the isolation between user application and data, allows many tenants technology can bring into play its characteristic more.But there are many deficiencies in existing many tenants in dirigibility, extendability, economy and the security of data access.
Summary of the invention
The objective of the invention is to,, propose a kind of many tenants' cloud storage platform access control system, improve the advantage of dirigibility, extendability, economical and efficient and the security of many tenants visit data with realization at the problems referred to above.
For achieving the above object, the technical solution used in the present invention is:
A kind of many tenants' cloud storage platform access control system comprises meta data server group and storage server group;
Described meta data server group: comprise control desk administration module, monitoring management module, authority management module, node administration module, metadata management module and far call service module;
Described control desk administration module: carry out global configuration and management;
Described monitoring management module: in real time the load and the fault of meta data server group are monitored, carried out load migration and backup recovery by monitored results, to reach high reliability and high availability;
Described authority management module is used for verifying user's authority and security;
Described node administration module: according to each slave node in transparent growth of load or the minimizing system;
Described metadata management module: update metadata comprises increase, deletion, rename;
Described far call service module: call function on the storage server by RPC;
Described storage server group: piece storage and object storage are provided, according to different application scenarios choose reasonable storage modes, and duplicate of the document are managed and fault detect, the storage buffered data improves access file efficient, strengthens the availability of file system;
Above-mentioned meta data server group and storage server group communicate by virtual store control bridge.
According to a preferred embodiment of the invention, the opening operation of the file in described meta data server group and the storage server group all will be controlled bridge by virtual store, described storage server group is only to sending file data through the user who authorizes, on the physical store of file data and metadata, adopted object-based memory device, in data object, comprise corresponding tenant's information and QoS information, during user accesses data, the checking of authority management module that must be by the meta data server group, then by index of metadata and multi-level hash(hash) the function mode is in conjunction with the locating file canned data, use unified memory interface access file, otherwise return error message.
According to a preferred embodiment of the invention, metadata in the described meta data server group is used for identifying the data block that is stored on the disk unit, the pairing file object of data of description piece, in metadata, write down the base attribute information of file and catalogue, the data block tabulation, the owner and the access rights that comprise file name, file size, parent directory, establishment and modification time, correspondence, path mode by tree hierarchy administers and maintains file data, and the data access mode of file object level is provided.
Technical scheme of the present invention has following beneficial effect:
Technical scheme of the present invention is passed through when tenant's quantity and load increase or minimizing, system is by adding or deletion server raising dirigibility, the system that realized to resource the distribution between the tenant deal with the variation of load, avoid that performance influences each other between the tenant, thereby when keeping higher resource utilization, provide safety guarantee for each tenant.By the virtual store controller safety verification is carried out in many tenants' request, be provided with high-speed cache simultaneously, promote the concurrent access performance of metadata, the delay of buffer memory loads strategy and has reduced server failure release time.Thereby reached the purpose of the dirigibility, extendability, economical and efficient and the security that improve many tenants visit data.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Description of drawings
Fig. 1 is the described many tenants' of the embodiment of the invention a cloud storage platform access control system structural representation;
Fig. 2 is that SaaS uses synoptic diagram under the described many tenants of the embodiment of the invention.
Embodiment
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the present invention, and be not used in qualification the present invention.
As shown in Figure 1, a kind of many tenants' cloud storage platform access control system comprises meta data server group and storage server group;
Meta data server group: comprise control desk administration module, monitoring management module, authority management module, node administration module, metadata management module and far call service module;
Control desk administration module: carry out global configuration and management;
Monitoring management module: in real time the load and the fault of meta data server group are monitored, carried out load migration and backup recovery by monitored results, to reach high reliability and high availability;
Authority management module is used for verifying user's authority and security;
Node administration module: according to each slave node in transparent growth of load or the minimizing system;
The metadata management module: update metadata comprises increase, deletion, rename;
Far call service module: call function on the storage server by RPC;
The storage server group: piece storage and object storage are provided, according to different application scenarios choose reasonable storage modes, and duplicate of the document are managed and fault detect, the storage buffered data improves access file efficient, strengthens the availability of file system;
Meta data server group and storage server group communicate by virtual store control bridge.
Wherein, the opening operation of the file in meta data server group and the storage server group all will be controlled bridge by virtual store, the storage server group is only to sending file data through the user who authorizes, on the physical store of file data and metadata, adopted object-based memory device, in data object, comprise corresponding tenant's information and QoS information, during user accesses data, the checking of authority management module that must be by the meta data server group, then by index of metadata and multi-level hash(hash) the function mode is in conjunction with the locating file canned data, use unified memory interface access file, otherwise return error message.
Metadata in the meta data server group is used for identifying the data block that is stored on the disk unit, the pairing file object of data of description piece, in metadata, write down the base attribute information of file and catalogue, the data block tabulation, the owner and the access rights that comprise file name, file size, parent directory, establishment and modification time, correspondence, path mode by tree hierarchy administers and maintains file data, and the data access mode of file object level is provided.
In mass storage system (MSS), storage server is made up of a plurality of hardware devices, and along with the growth of server scale, the failure rate that a variety of causes causes is rising, and must consider the demand of reliability and high availability during system design.Therefore, during system design, take to set up two types of group of server schemes, i.e. meta data server group and storage server group.
Two group of server communicate with one another by virtual store control bridge, work in coordination, reflect current system status in real time, simultaneously its also linear expansion of back-level server group, to the user is transparent, can be good satisfy the fourth stage and can expand configurable many tenants level storage scheme demand.
Consider the problem of data security, the opening operation of file all will be controlled bridge by virtual store.Storage server is only to sending file data through the user who authorizes.On the physical store of file data and metadata, adopted object-based memory device, in data object, comprise corresponding tenant's information and QoS information, during user accesses data, the checking of authority management module that must be by the meta data server group, checking, is used unified memory interface access file then, otherwise is returned error message by index of metadata and multi-level hash mode combination (file directory hash and filename hash) locating file canned data by then.According to user's request, serve simultaneously, same tenant's data can be placed in a file system directories or the subregion, reach physically-isolated demand for the user provides the deposit data mode of various ways.
In many tenants' storage system, a memory device is shared by a plurality of tenants and is used, and the distribution situation of tenant's data on disk affects the performance of data access greatly.If adopt the partitioned mode of traditional file systems in SaaS uses, same tenant's data block will be with discrete distributions on disk, and when to file access, required seek time will increase greatly.Therefore adopt the multi-tenant data piece storage administration scheme of using towards SaaS, tenant's data block is left on the disk continuously, thereby obtain data access performance preferably.
For the magnanimity metadata, the separate unit server often can not satisfy the demand of performance, carry out suitable division to many tenants' metadata, forms cluster managed together and maintenance by a plurality of servers
The function of metadata management also comprises rights management and access control, each tenant's connection session all will comprise a unique name ID, search the catalogue subtree of this tenant's correspondence by this ID, make up virtual file system view then, comprise the operating right that this tenant had in the file metadata, do not had the operation of authority to be rejected.
About two kinds of group of server clusters: pass through Intel Virtualization Technology, can on the physical machine of many better performances, build these two kinds of group of server, for the meta data server group, need bigger memory headroom, the processor requirement performance is not high, for the storage server group, the requirement performance of processors is higher, the I/O performance is very high, and reading and writing data of user returned in the request of response element data server and I/O fast fast.Communication between meta data server group and the storage server group is to finish by virtual store control bridge, and the communication mechanism of virtual store control bridge mainly adopts middleware Technology, communicates by the RPC agreement.
In sum, many tenants' of the present invention cloud storage platform access control system also has the advantage of versatility, dirigibility, level,
Versatility: no matter be publicly-owned cloud (Public Cloud), all there is the multi-tenant data isolation requirement in partner's cloud (Partner Cloud), so the security strategy requirement is general, can be applicable to different cloud environments.
Dirigibility: each application exists self different demand for security, so cloud storage security strategy should be flexibly, makes the user to customize security strategy flexibly according to the demand for security of self, realizes Security Target separately.
Level: security strategy is primarily aimed at user design, and the tissue of major applications is divided and had certain level usually, thus the attribute of main body in the strategy and resource object also requirement can embody the characteristic of this stratification of enterprise.
Metadata: a memory gate structure of user's data file mainly comprises: user ID, filename, file size, file access authority, positional information.Virtual store control bridge is the communication protocol of meta data server group and storage server group, is a middleware.
It should be noted that at last: the above only is the preferred embodiments of the present invention, be not limited to the present invention, although the present invention is had been described in detail with reference to previous embodiment, for a person skilled in the art, it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (3)
1. the cloud storage platform access control system of tenant more than a kind is characterized in that, comprises meta data server group and storage server group;
Described meta data server group: comprise control desk administration module, monitoring management module, authority management module, node administration module, metadata management module and far call service module;
Described control desk administration module: carry out global configuration and management;
Described monitoring management module: in real time the load and the fault of meta data server group are monitored, carried out load migration and backup recovery by monitored results, to reach high reliability and high availability;
Described authority management module is used for verifying user's authority and security;
Described node administration module: according to each slave node in transparent growth of load or the minimizing system;
Described metadata management module: update metadata comprises increase, deletion, rename;
Described far call service module: call function on the storage server by RPC;
Described storage server group: piece storage and object storage are provided, according to different application scenarios choose reasonable storage modes, and duplicate of the document are managed and fault detect, the storage buffered data improves access file efficient, strengthens the availability of file system;
Above-mentioned meta data server group and storage server group communicate by virtual store control bridge.
2. many tenants' according to claim 1 cloud storage platform access control system, it is characterized in that, the opening operation of the file in described meta data server group and the storage server group all will be controlled bridge by virtual store, described storage server group is only to sending file data through the user who authorizes, on the physical store of file data and metadata, adopted object-based memory device, in data object, comprise corresponding tenant's information and QoS information, during user accesses data, the checking of authority management module that must be by the meta data server group, then by index of metadata and multi-level hash(hash) the function mode is in conjunction with the locating file canned data, use unified memory interface access file, otherwise return error message.
3. many tenants' according to claim 1 and 2 cloud storage platform access control system, it is characterized in that, metadata in the described meta data server group is used for identifying the data block that is stored on the disk unit, the pairing file object of data of description piece, in metadata, write down the base attribute information of file and catalogue, comprise file name, file size, parent directory, create and modification time, corresponding data block tabulation, the owner and access rights, path mode by tree hierarchy administers and maintains file data, and the data access mode of file object level is provided.
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| CN103744960A (en) * | 2014-01-06 | 2014-04-23 | 河海大学 | Metadata indexing module and method based on cloud platform |
| CN105159780A (en) * | 2015-08-21 | 2015-12-16 | 北京理工大学 | Multi-layer cloud application oriented high-availability virtual network mapping method and apparatus |
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| US12001397B2 (en) | 2019-11-29 | 2024-06-04 | Inspur Electronic Information Industry Co., Ltd. | Method, apparatus and device for deleting distributed system file, and storage medium |
| CN112434321A (en) * | 2020-12-01 | 2021-03-02 | 武汉绿色网络信息服务有限责任公司 | Data storage method and device, computer equipment and storage medium |
| WO2022116847A1 (en) * | 2020-12-01 | 2022-06-09 | 武汉绿色网络信息服务有限责任公司 | Data storage method and apparatus, computer device, and storage medium |
| CN112988062A (en) * | 2021-01-28 | 2021-06-18 | 腾讯科技（深圳）有限公司 | Metadata reading limiting method and device, electronic equipment and medium |
| CN112988062B (en) * | 2021-01-28 | 2023-02-14 | 腾讯科技（深圳）有限公司 | Metadata reading limiting method and device, electronic equipment and medium |
| CN113923213A (en) * | 2021-08-26 | 2022-01-11 | 新华三大数据技术有限公司 | Directory-level quality of service control method, system and access node |
| CN113923213B (en) * | 2021-08-26 | 2023-09-22 | 新华三大数据技术有限公司 | Directory-level service quality control method, system and access node |
| CN115587390A (en) * | 2022-12-12 | 2023-01-10 | 杭州优云科技有限公司 | Method for realizing public cloud object storage |
| CN115587390B (en) * | 2022-12-12 | 2023-03-10 | 杭州优云科技有限公司 | Method for realizing public cloud object storage |
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