CN101800767A - Method for establishing simple optical fiber storage network - Google Patents
Method for establishing simple optical fiber storage network Download PDFInfo
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- CN101800767A CN101800767A CN201010011648A CN201010011648A CN101800767A CN 101800767 A CN101800767 A CN 101800767A CN 201010011648 A CN201010011648 A CN 201010011648A CN 201010011648 A CN201010011648 A CN 201010011648A CN 101800767 A CN101800767 A CN 101800767A
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Abstract
The invention discloses a method for establishing a simple optical fiber storage network, belonging to the field of the computer storage technology. The method for establishing the simple optical fiber storage network comprises the following steps: (1) establishing a universal platform for a storage server which is provided with a high-capacity and high-performance storage space; (2) establishing a common optical fiber host bus adapter (HBA) card on the basis of the storage server and loading application software of an SCSI target mode manager (STMM) on the operation system of the storage server to form the storage server with an optical fiber interface; and (3) adding the storage server to an optical fiber network topology and mapping the storage space which is managed by the storage server outside through an optical fiber channel by the operation system of the storage server and the application software of STMM to form the simple optical fiber storage network. Compared with the prior art, the method for establishing the simple optical fiber storage network adopts the unique optical fiber storage structure and the universal framework, is easy and has strong expansibility.
Description
Technical field
The present invention relates to a kind of Computer Storage field, specifically a kind of easy optical fiber storage networking implementation method.
Background technology
The support technology of SAN (Storage Area Network, storage area network network) is FC (FibreChannel, an optical-fibre channel) technology, and this is that ANSI is that a standard setting up of network and passage I/O interface is integrated.Support HIPPI, IPI, SCSI, IP, multiple high-level protocol such as ATM, its maximum characteristic is that the communications protocol of network and equipment and transmitting physical dielectric isolation are opened.Various protocols can transmit on same physical connection simultaneously like this, and high-performance memory bank and broadband network use single I/O interface to make the cost of system and complexity reduce greatly.
Development along with present storage industry, going up big capacity storage and highly-reliable system continues to bring out, market is increasing for the demand capacity of FCSAN storage, but because the restriction of objective environment, the technology of current high-end storage systems such as optical fiber and product all concentrate in the international large manufacturer hand, cost an arm and a leg.Domestic many low and middle-end clients can't obtain satisfactory optical fiber storage products, press for a kind of easy realization and the suitable relatively product of price satisfies growing demand.
Summary of the invention
Technical assignment of the present invention provides a kind of unique optical fiber storage organization, comparatively simple implementation, and stronger autgmentability, framework has a kind of easy optical fiber storage networking implementation method of versatility.
Technical assignment of the present invention realizes that in the following manner step is:
(1), a general stores service applicator platform is set, this storage server has the memory space of operable enough capacity and enough performances;
(2), on the basis of this storage server, the common optical fiber HBA (Host BusAdapters) that arranges in pairs or groups blocks, while loading application software STMM (SCSITarget Mode Manager) on the operating system of storage server, formation one has the storage server of optical fiber interface;
(3), this server is joined in the fiber optic network topology, the operating system of storage server and application software STMM externally shine upon the memory space of stores service management by optical-fibre channel, thereby constitute an easy optical fiber storage networking.
This storage server can be an individual server that has big capacity storage space, and carries some special services.
This storage server is the individual server that an existence is no less than 10 disk storage spaces.
The more entrained special services of this storage server are storage management software, RAID (RedundantArray of Independent Disk, raid-array) configuration management, and guarantee that the additional networks that more desktop users are attached thereto connects.
This storage server can be the combination of server+storage, is a DAS (Direct AttachedStorage, direct-connected mode is stored) system or a NAS (Network Attached Storage, network attached storage) system.
Application software STMM can utilize the operating system of storage server, with the existing memory device of self-management, becomes an energy by the memory device of any host access on the fiber optic network; STMM can add the template that different storage device to is simple and easy to usefulness when creating memory space, these memory devices can be the disk spaces that storage server itself carries, and also can be from the storage system among DAS, the NAS.
HBA (Host Bus Adapters host bus adaptor) is a circuit board and/or an integrated circuit adapter that I/O (I/O) processing and physical connection are provided between server and storage device.Because HBA has alleviated the burden of primary processor in storage and retrieval tasks, it can improve the performance of server.HBA is the physical connection between the I/O passage of the I/O passage of server inside and storage system.In fact the I/O passage of storage system is exactly optical-fibre channel, and the effect of HBA is exactly the conversion that realizes between inner passage agreement PCI or Sbus and the fiber channel protocol.
STMM (SCSI Target Mode Manager, scsi target schema management), SCSI small computer system interface (English: Small Computer System Interface; Write a Chinese character in simplified form: SCSI), a kind of independent processor standard that is used for (hard disk, floppy drive, CD-ROM drive, printer, scanner etc.) system-level interface between computer and the smart machine.SCSI is a kind of universal interface standard of intelligence.It is the interface standard between various computers and the external equipment.
DAS is that direct-connected mode is stored, and English full name is Direct Attached Storage.In this mode, memory device directly arrives server by cable (normally scsi interface cable).I/O (I/O) request directly sends to memory device.
NAS (Network Attached Storage, network attached storage) be a kind ofly will distribute, independently data are integrated into data center large-scale, centralized management, so that the technology that different main frames and application server are conducted interviews.It is a kind of dedicated data stores server.It is data-centered, memory device is thoroughly separated with server, and the centralized management data, thus discharge bandwidth, raising performance, the TCO that reduces, protection investment.
A kind of easy optical fiber storage networking implementation method of the present invention has the following advantages:
(1), unique optical fiber storage organization:
Use the storage server of standard architecture, construct the optical fiber storage nodes of specialty; Collocation optical fiber HBA card is finished design on general storage server, realizes easyly, and price is also cheap relatively;
(2), comparatively simple implementation:
The design's layered framework is kept apart the execution of scsi command and the distribution of removing and resource, make that the module that realizes the SCSI function is not direct and transport module is mutual, the module that realizes host-host protocol does not need to concern the function of SCSI layer yet, thereby has simplified writing of modules such as SCSI and transmission;
(3), stronger autgmentability, framework has versatility:
Autgmentability is preferably arranged, can be used as the supplemental node of professional storage system; Use the similar solution of this framework also storage server this can be made into the IP-SAN product node based on FCoE or iSCSI.
Description of drawings
The present invention is further described below in conjunction with accompanying drawing.
Accompanying drawing 1 is a kind of basic framework figure of STMM software of easy optical fiber storage networking implementation method.
Embodiment
Explain below with reference to Figure of description and specific embodiment a kind of easy optical fiber storage networking implementation method of the present invention being done.
Embodiment:
A kind of easy optical fiber storage networking implementation method of the present invention, step is:
(1), a general stores service applicator platform is set, this storage server has the memory space of operable enough capacity and enough performances;
(2), on the basis of this storage server, the common optical fiber HBA (Host BusAdapters) that arranges in pairs or groups blocks, while loading application software STMM (SCSITarget Mode Manager) on the operating system of storage server, formation one has the storage server of optical fiber interface;
(3), this server is joined in the fiber optic network topology, the operating system of storage server and application software STMM externally shine upon the memory space of stores service management by optical-fibre channel, thereby constitute an easy optical fiber storage networking.
This storage server can be an individual server that has big capacity storage space, and carries some special services.
This storage server is the individual server that an existence is no less than 10 disk storage spaces.
The more entrained special services of this storage server are storage management software, RAID (RedundantArray of Independent Disk, raid-array) configuration management, and guarantee that the additional networks that more desktop users are attached thereto connects.
This storage server can be the combination of server+storage, is a DAS (Direct AttachedStorage, direct-connected mode is stored) system or a NAS (Network Attached Storage, network attached storage) system.
Application software STMM can utilize the operating system of storage server, with the existing memory device of self-management, becomes an energy by the memory device of any host access on the fiber optic network; STMM can add the template that different storage device to is simple and easy to usefulness when creating memory space, these memory devices can be the disk spaces that storage server itself carries, and also can be from the storage system among DAS, the NAS.
The basic framework of STMM software as shown in Figure 1, among the figure,
Scsi target pattern interface (SCSI Target Mode Interface, be called for short STMI) be responsible for trace logic unit and port, processing internal affairs management (context when carrying out and the management of resource) as scsi command, also processing logic unit maps, storage allocation, recovery faulty operation and I/O that some are necessary operate STMI simultaneously.
FC mouth (FC Port) is that (Host Bus Adapters, this locality that HBA) provides connects host bus adaptor.
FC mouth interface (FC Port Interface) is provided to the interface of SCSI management layer STMI for the various different fiber interfaces of main frame.
Logical block management interface (Logical Unit Manager Interface) is realized the interface of SCSI logical block (as disk, tape, Virtual Tape Library etc.) and SCSI management layer STMI.
Logical block interface (Logical Unit Interface) provides the various logical units of using for the user.
The program library of scsi target pattern interface (Library of SCSI Target Mode Interface) is responsible for communicating by letter with STMI, and is responsible for carrying out configuration task.
Except that the described technical characterictic of specification, be the known technology of those skilled in the art.
Claims (6)
1. easy optical fiber storage networking implementation method is characterized in that step is:
(1), a general stores service applicator platform is set, this storage server has the memory space of operable enough capacity and enough performances;
(2), on the basis of this storage server, the common optical fiber HBA card of arranging in pairs or groups, loading application software STMM on the operating system of storage server simultaneously constitutes a storage server that has an optical fiber interface;
(3), this server is joined in the fiber optic network topology, the operating system of storage server and application software STMM externally shine upon the memory space of stores service management by optical-fibre channel, thereby constitute an easy optical fiber storage networking.
2. a kind of easy optical fiber storage networking implementation method according to claim 1 is characterized in that this storage server can be an individual server that has big capacity storage space, and carries some special services.
3. a kind of easy optical fiber storage networking implementation method according to claim 2 is characterized in that this storage server is the individual server that an existence is no less than 10 disk storage spaces.
4. a kind of easy optical fiber storage networking implementation method according to claim 2, it is characterized in that the more entrained special services of this storage server are storage management software, RAID configuration management, and guarantee that the additional networks that more desktop users are attached thereto connects.
5. a kind of easy optical fiber storage networking implementation method according to claim 1 is characterized in that this storage server can be the combination of server+storage, is a DAS system or a NAS system.
6. a kind of easy optical fiber storage networking implementation method according to claim 1, it is characterized in that application software STMM can utilize the operating system of storage server, with the existing memory device of self-management, become an energy by the memory device of any host access on the fiber optic network; STMM can add the template that different storage device to is simple and easy to usefulness when creating memory space, these memory devices can be the disk spaces that storage server itself carries, and also can be from the storage system among DAS, the NAS.
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| CN201010011648A CN101800767A (en) | 2010-01-21 | 2010-01-21 | Method for establishing simple optical fiber storage network |
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| CN201010011648A CN101800767A (en) | 2010-01-21 | 2010-01-21 | Method for establishing simple optical fiber storage network |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104158874A (en) * | 2014-08-12 | 2014-11-19 | 浪潮集团有限公司 | Method of realizing FC (Fibre Channel) communication by POWERPC cloud storage platform adopting SCST |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104158874A (en) * | 2014-08-12 | 2014-11-19 | 浪潮集团有限公司 | Method of realizing FC (Fibre Channel) communication by POWERPC cloud storage platform adopting SCST |
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Application publication date: 20100811 |