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Storage device and method for accessing storage device through internet small computer system interface (iSCSI)

A storage device and initiator technology, applied to electrical components, transmission systems, etc., can solve the problems of adding additional user operations, IO long-term stop, etc., and achieve user-friendly operation

Active Publication Date: 2011-06-29
深圳市安云信息科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] As mentioned above, the change of the target port information of the iSCSI target and network failure will increase the user's additional operations and cause IO to stop for a long time

Method used

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  • Storage device and method for accessing storage device through internet small computer system interface (iSCSI)
  • Storage device and method for accessing storage device through internet small computer system interface (iSCSI)
  • Storage device and method for accessing storage device through internet small computer system interface (iSCSI)

Examples

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Embodiment Construction

[0031] In order to make the purpose and technical solution of the present invention clearer, the present invention will be described in detail below through specific examples.

[0032] figure 1 The process of accessing storage devices through iSCSI proposed by the embodiment of the present invention is shown, including the following steps:

[0033] Step 101: Set a virtual group port on the storage device, and the virtual group port has a unique fixed address and a listening port number.

[0034] Step 102: Any actual port or virtual group port of the storage device receives the first login request from the iSCSI initiator, and returns the name of the storage device and the address and listening port number of the virtual group port to the iSCSI initiator; The first login request is a discovery (discovery) type login request.

[0035] Step 103: The storage device receives a second login request from the iSCSI initiator that includes the address of the virtual group port and th...

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PUM

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Abstract

The invention provides a method for accessing a storage device through an internet small computer system interface (iSCSI), comprising the following steps: configuring virtual group ports for the storage device, wherein the virtual group ports are respectively provided with the sole fixed address and monitoring port number; receiving a first login request from an iSCSI initiator by any actual port or virtual group port of the storage device, and returning the name of the storage device and the address and monitoring port number of the virtual group port to the iSCSI initiator; receiving a second login request containing the address and monitoring port number of the virtual group port from the iSCSI initiator by the storage device, selecting one port from own ports of the storage device asa target port in accordance with a preset redirection strategy, and sending the address and monitoring port number of the target port to the iSCSI initiator; and receiving a third login request containing the address and monitoring port number of the target port from the iSCSI initiator by the storage device, and establishing a transmission control protocol (TCP) link between the target port and the iSCSI initiator.

Description

technical field [0001] The invention relates to the technical field of computer storage, in particular to a method for accessing a storage device through iSCSI and a storage device. Background technique [0002] Small Computer System Interface (SCSI, Small Computer System Interface) is an independent processor standard for system-level interfaces between computers and smart devices (hard disks, floppy drives, optical drives, printers, scanners, etc.). SCSI is an interface standard between various computers and external devices. It has the characteristics of supporting multiple peripherals, multitasking, and supporting synchronous or asynchronous data transmission. [0003] Internet Small Computer System Interface (iSCSI) technology is a SCSI instruction set that can be used by hardware devices and can run on the upper layer of the IP protocol. Routing over Gigabit Ethernet. The iSCSI technology combines the existing SCSI interface with the Ethernet (Ethernet) technology, s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/08H04L29/12
Inventor 雷伟
Owner 深圳市安云信息科技有限公司
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