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System for carrying out link synchronization on dual controllers supporting iSCSI (internet small computer system interface) equipment

A synchronous link, dual-controller technology, applied in the direction of comprehensive factory control, comprehensive factory control, electrical program control, etc., to achieve the effect of fast synchronization and good dynamics

Inactive Publication Date: 2011-06-01
INVENTEC CORP
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  • Summary
  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In addition, in the Dual-Controller environment, operations such as hot plugging are allowed on a single Controller, so the status of the SAS controller must be dynamically updated

Method used

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  • System for carrying out link synchronization on dual controllers supporting iSCSI (internet small computer system interface) equipment
  • System for carrying out link synchronization on dual controllers supporting iSCSI (internet small computer system interface) equipment
  • System for carrying out link synchronization on dual controllers supporting iSCSI (internet small computer system interface) equipment

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Embodiment Construction

[0031] Below in conjunction with accompanying drawing, structural principle and working principle of the present invention are specifically described:

[0032] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals denote the same or similar components or components having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0033] now refer to Figure 1a and Figure 1b , which shows the structure of the synchronization link system of the dual controllers of the iSCSI device according to the embodiment of the present invention.

[0034] Such as Figure 1a As shown, the dual controller of the embodiment of the present invention is composed of a first controller 10 and a second controller 20, wherein the fir...

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PUM

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Abstract

The invention discloses a system for carrying out link synchronization on dual controllers supporting iSCSI (internet small computer system interface) equipment. The system comprises a first SAS (serial attached SCSI) controller arranged in a first controller and a second SAS controller arranged in a second controller, wherein the second SAS controller is connected with the first SAS controller via an SAS bus; and link synchronization is carried out on the dual controllers according to an inquiry command sent by the first SAS controller / the second SAS controller to the opposite second SAS controller / first SAS controller and / or an inquiry command response sent by the second SAS controller / the first SAS controller. By utilizing the system, the synchronization of the dual controllers can be rapidly and dynamically achieved.

Description

technical field [0001] The invention relates to a dual controller, in particular to a dual controller synchronous link system supporting iSCSI equipment. Background technique [0002] At present, the two-way data transmission based on dual-controller has the disadvantage of slow transmission speed. Serial Small Computer System Interface (SAS, Serial Attached SCSI) has a bidirectional transceiver mode, so using the SAS controller as a data transmission link for bidirectional data transmission can increase the data transmission speed of the dual controllers. [0003] If the two SAS controllers are not synchronized, the two SAS controllers cannot perform two-way data transfer. [0004] In addition, in the Dual-Controller environment, operations such as hot plugging are allowed on a single Controller, so the status of the SAS controller must be dynamically updated. [0005] Therefore, it is necessary to propose a more reasonable and fast way to realize the synchronization betw...

Claims

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Application Information

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IPC IPC(8): G05B19/418G06F13/38
CPCY02P90/02
Inventor 吴清秀陈玄同
Owner INVENTEC CORP
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