Convergence method of iSCSI (Internet Small Computer System Interface) and FCP (Fiber Channel Protocol) and application thereof to disaster recovery

A fusion method and protocol technology, applied in the field of storage network, can solve the problem that FCP and iSCSI cannot be interconnected and interoperable, and achieve the effect of improving deployment flexibility and scalability

Inactive Publication Date: 2011-01-05
HUAZHONG UNIV OF SCI & TECH
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Problems solved by technology

[0006] The invention provides a disaster recovery method based on the fusion of iSCSI and FCP protocols, which solves the problem that FCP and iSCSI cannot be interconnected and interoperable in the existing disaster recovery system

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  • Convergence method of iSCSI (Internet Small Computer System Interface) and FCP (Fiber Channel Protocol) and application thereof to disaster recovery
  • Convergence method of iSCSI (Internet Small Computer System Interface) and FCP (Fiber Channel Protocol) and application thereof to disaster recovery
  • Convergence method of iSCSI (Internet Small Computer System Interface) and FCP (Fiber Channel Protocol) and application thereof to disaster recovery

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Embodiment Construction

[0039] The present invention will be further described below in conjunction with the accompanying drawings.

[0040] A fusion method based on the iSCSI and FCP protocol is given below, which realizes the fusion of the iSCSI and FCP protocols through the fusion storage module.

[0041] Wherein, the structure of the fusion storage module is as follows figure 1 As shown, the module includes a converged SCSI initiator, a converged virtualization layer, and a converged SCSI target, wherein the converged SCSI initiator communicates with the application program on the upper layer, and receives the SCSI command encapsulated as iSCSI or FCP protocol sent by the application program , the fusion virtualization layer processes the received SCSI command, converts the logical address into a physical address, and then forwards it to the fusion SCSI target end, and the fusion SCSI target end is based on the forwarded physical address and the physical storage device of the lower layer Communi...

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Abstract

The invention relates to a convergence method of an iSCSI (Internet Small Computer System Interface) and an FCP (Fiber Channel Protocol). The method realizes the convergence of the iSCSI and the FCP through a convergence storage module and comprises the following steps of: (1) initializing the convergence storage module, establishing the mapping between a logical address space and physical storage equipment in a data storage system and recognizing the type of the physical storage equipment; (2) parsing an SCSI command; and (3) converging the SCSI command; and (4) returning an execution result of the SCSI command. The invention supports the exchange of an iSCSI data packet and an FCP data packet on an SCSI layer, realizes the visualization of a heterogeneous network storage system and effectively improves the deployment flexibility and the expandability of a disaster recovery system.

Description

technical field [0001] The invention belongs to the field of storage networks, and in particular relates to a fusion method based on iSCSI and FCP protocols and its application in disaster recovery, which is suitable for disaster backup data storage systems. Background technique [0002] In the process of the development of information technology, the application mode of computer is evolving from computing as the core to data processing as the core. For most users, the importance and value of data is far higher than the value of information system equipment, and the reliability and availability of data storage are often the primary considerations of users. Disaster recovery refers to the establishment of a disaster backup data storage system, which replicates or backs up the key data of the primary data system in real time; Recovery, to ensure that data is not lost or lost as little as possible. Currently, many manufacturers have launched their own disaster recovery soluti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/08G06F11/14
Inventor 周敬利秦磊华曾东朱建峰聂雪军吕宁管强刘诗瑶翟永东
Owner HUAZHONG UNIV OF SCI & TECH
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