CN103347082A - Storage framework virtualizing system - Google Patents
Storage framework virtualizing system Download PDFInfo
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- CN103347082A CN103347082A CN201310289576XA CN201310289576A CN103347082A CN 103347082 A CN103347082 A CN 103347082A CN 201310289576X A CN201310289576X A CN 201310289576XA CN 201310289576 A CN201310289576 A CN 201310289576A CN 103347082 A CN103347082 A CN 103347082A
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Abstract
The invention provides a storage framework virtualizing system which comprises a file system and a storage system, wherein the file system and the storage system are both connected with a local area network through Ethernet switches, the file system is further connected with a plurality of client sides through another local area network, the file system comprises a file server used for block-level volume management and metadata saving and a file server used for file service, and the storage system comprises a storage resource pool which is formed after virtualized storage of several storage devices is provided outwards uniformly. Compared with the prior art, the storage framework virtualizing system has the advantages that virtulization of more than two kinds of storage frameworks is achieved, expansibility and flexibility of the storage system are strengthened finally, cost is reduced, maintenance is improved, practicality is strong, and popularization is easy to achieve.
Description
Technical field
The present invention relates to the Computer Storage technical field of virtualization, a kind of employing external file metadata and blocks of data are separately handled specifically, and disk array is carried out exteral integration, finally realize the virtualization system of the storage framework of SAN Storage Virtualization.
Background technology
The SAN storage has a lot of having a few, in high-performance, high reliability, enhanced scalability, manageability maintenance etc. a lot of advantages are arranged, simultaneously many shortcomings are arranged also in the production environment of reality, be mainly reflected in that operability between memory device and the client is relatively poor, the structure expense is higher, data file can not realize effectively sharing etc.; And file system closely links to each other with storage subsystem in the NAS storage organization, and both are connected as a single entity, and is equally very inconvenient during use.Based on the design feature of NAS and SAN, design a kind of NAS storage organization is separated and handle, realize the system of SAN Storage Virtualization, simultaneously compatible both advantages are very necessary.
Summary of the invention
Technical assignment of the present invention is to solve the deficiencies in the prior art, provides a kind of employing external file metadata and blocks of data separately to handle, and disk array is carried out exteral integration, finally realizes the virtualization system of the storage framework of SAN Storage Virtualization.
Technical scheme of the present invention realizes in the following manner, this a kind of virtualization system of storing framework, its structure comprises file system and the storage system that all connects local area network (LAN) by Ethernet switch, wherein file system also is connected with some clients by another local area network (LAN), described file system comprises the volume management that can be used for the piece level and the file server that metadata is preserved, the file server that can be used for file service, described storage system comprises memory resource pool, and this memory resource pool is to carry out unified outwards the providing of virtual storage afterwards by some memory devices to form.
Described memory resource pool externally is provided by providing of memory space, the unified management of internally storing, when client is carried out IO such as the read-write operation of data to memory space, special-purpose meta data server is delivered in the I/O order earlier, on meta data server, at first obtain the view of metadata and storage data, special-purpose meta data server obtains needed data according to metadata and Data View by the storage framework, send these data to client afterwards, satisfy IO request, the meta data server of above-mentioned special use refers to deposit the meta data server of the visit of the total data view of whole rear end virtual pool and process metadata.
The virtual realization of described storage framework is made up of two parts, and a part is to be positioned at meta data server, is responsible for the virtual of rear end storage; Another part is positioned at client part, redirect operation to the IO request: when the IO of client request is not stored in this locality, virtualization mechanism mails to meta data server with IO order, and Data View and metadata that meta data server receives after the IO request correspondence partly return to client.
The beneficial effect that the present invention compared with prior art produces is:
A kind of virtualization system of storing framework of the present invention has merged the technical characterstic of SAN and NAS, realizes the Storage Virtualization to disk array, has realized the virtual management to disk array when having ensured the plurality of advantages of SAN.The design separates the file system in traditional NAS structure and storage subsystem, both are separately constituted with a server respectively afterwards, and the server main task that wherein has file system function is exactly the preservation to metadata, the function execution of file system etc.; The main effect of carrying storage subsystem server is the Premium Features of finishing storage array; Adopt said structure, realize the virtual of many two kinds of storage architectures.Finally strengthened autgmentability and the flexibility of storage system, at aspects such as cost, maintenances certain reduction and improvement have been arranged, practical, be easy to promote.
Description of drawings
Accompanying drawing 1 is structural representation of the present invention.
Embodiment
Below in conjunction with accompanying drawing a kind of virtualization system of storing framework of the present invention is done following detailed description the in detail.
As shown in Figure 1, a kind of virtualization system of storing framework, its structure comprises file system and the storage system that all connects local area network (LAN) by Ethernet switch, wherein file system also is connected with some clients by another local area network (LAN), described file system comprises volume management and the file server that metadata is preserved that can be used for the piece level, the file server that can be used for file service, described storage system comprises memory resource pool, and this memory resource pool is to carry out unified outwards the providing of virtual storage afterwards by some memory devices to form.
Described memory resource pool externally is provided by providing of memory space, the unified management of internally storing, when client is carried out IO such as the read-write operation of data to memory space, special-purpose meta data server is delivered in the I/O order earlier, on meta data server, at first obtain the view of metadata and storage data, special-purpose meta data server obtains needed data according to metadata and Data View by the storage framework, send these data to client afterwards, satisfy IO request, the meta data server of above-mentioned special use refers to deposit the meta data server of the visit of the total data view of whole rear end virtual pool and process metadata.
The virtual realization of described storage framework is made up of two parts, and a part is to be positioned at meta data server, is responsible for the virtual of rear end storage; Another part is positioned at client part, redirect operation to the IO request: when the IO of client request is not stored in this locality, virtualization mechanism mails to meta data server with IO order, and Data View and metadata that meta data server receives after the IO request correspondence partly return to client.
In the design, increasing separately by a station server in this one-level of SAN provides virtualization services specially, by virtualization, the various memory devices of SAN rear end is carried out virtual, outwards provides the storage after virtual is unified, forms with memory resource pool.
For realizing unified storage, finish the further fusion of NAS and SAN.The use of two private servers, a meta data server and a file server, the former is used for the volume management of piece level, and the latter is used for file service.System can provide the service of two types of File IO and BLOCK IO simultaneously on the basis of this framework.At the storage end, in conjunction with the fusion of NAS and SAN structure, storage system can provide the File space of file service simultaneously and two storage areas of BLOCK space of data block service are provided.
Except the described technical characterictic of specification, be the known technology of those skilled in the art.
Claims (3)
1. virtualization system of storing framework, it is characterized in that: its structure comprises file system and the storage system that all connects local area network (LAN) by Ethernet switch, wherein file system also is connected with some clients by another local area network (LAN), described file system comprises volume management and the file server that metadata is preserved that can be used for the piece level, the file server that can be used for file service, described storage system comprises memory resource pool, and this memory resource pool is to carry out unified outwards the providing of virtual storage afterwards by some memory devices to form.
2. a kind of virtualization system of storing framework according to claim 1, it is characterized in that: described memory resource pool externally is provided by providing of memory space, the unified management of internally storing, when client is carried out IO such as the read-write operation of data to memory space, special-purpose meta data server is delivered in the I/O order earlier, on meta data server, at first obtain the view of metadata and storage data, special-purpose meta data server obtains needed data according to metadata and Data View by the storage framework, send these data to client afterwards, satisfy IO request, the meta data server of above-mentioned special use refers to deposit the meta data server of the visit of the total data view of whole rear end virtual pool and process metadata.
3. a kind of virtualization system of storing framework according to claim 1, it is characterized in that: the virtual realization of described storage framework is made up of two parts, and a part is to be positioned at meta data server, is responsible for the virtual of rear end storage; Another part is positioned at client part, redirect operation to the IO request: when the IO of client request is not stored in this locality, virtualization mechanism mails to meta data server with IO order, and Data View and metadata that meta data server receives after the IO request correspondence partly return to client.
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| CN201310289576XA CN103347082A (en) | 2013-07-11 | 2013-07-11 | Storage framework virtualizing system |
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| CN201310289576XA CN103347082A (en) | 2013-07-11 | 2013-07-11 | Storage framework virtualizing system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107168793A (en) * | 2017-05-10 | 2017-09-15 | 郑州云海信息技术有限公司 | A kind of dynamic current method of virtual memory space |
| CN108899078A (en) * | 2018-06-27 | 2018-11-27 | 郑州云海信息技术有限公司 | A kind of health and fitness information processing system based on cloud storage |
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| US20120284234A1 (en) * | 2011-05-03 | 2012-11-08 | Vmware, Inc. | Live migration of virtual machine persistent data using mirrored input-output operations |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107168793A (en) * | 2017-05-10 | 2017-09-15 | 郑州云海信息技术有限公司 | A kind of dynamic current method of virtual memory space |
| CN108899078A (en) * | 2018-06-27 | 2018-11-27 | 郑州云海信息技术有限公司 | A kind of health and fitness information processing system based on cloud storage |
| CN108899078B (en) * | 2018-06-27 | 2021-10-22 | 郑州云海信息技术有限公司 | Health information processing system based on cloud storage |
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Application publication date: 20131009 |