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Ioc module allocation method and io switch

An allocation method and switch technology, applied in the field of communication, can solve the problem that the IOC module cannot be shared, and achieve the effect of improving the utilization rate and avoiding address conflicts.

Active Publication Date: 2011-11-30
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention aims to provide an IOC module allocation method and an IO switch to solve the problem that the IOC modules between different storage controllers cannot be shared

Method used

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  • Ioc module allocation method and io switch
  • Ioc module allocation method and io switch
  • Ioc module allocation method and io switch

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Embodiment Construction

[0024] Functional Overview

[0025] The main idea of ​​the present invention is: in a storage system using multiple storage controllers, the host of each storage controller dynamically allocates the IOC modules of the system. When a controller host fails, the IOC module used by the host can be transferred to other normal hosts.

[0026] The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0027] method embodiment

[0028] According to an embodiment of the present invention, a method for allocating IOC modules is provided.

[0029] The present invention is applied to a storage system with multiple storage controllers, wherein each storage controller mainly includes: a host, an IO switch, an IOC module and the like. The num...

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PUM

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Abstract

The invention discloses an IOC module distribution method and an IO exchanger; wherein, the method comprises that each host machine out of the host machines of a plurality of memory controllers is related to each IOC module in a plurality of memory controllers; the related results are memorized in the IO exchanger; the IO exchanger reflects the access of the host machines on the IOC module to the corresponding IOC module according to the related results. The method can improve the utilization ratio of the system IO resource.

Description

technical field [0001] The present invention relates to the field of communications, in particular to an IOC module allocation method and an IO switch. Background technique [0002] figure 1 It is a schematic diagram of the hardware architecture of dual storage controllers in the related art. Such as figure 1 As shown, the two storage controllers are separately configured with their own dedicated input and output controller (Input Output Controller, referred to as IOC) module, and the host of the storage controller is connected through the peripheral component interconnection standard (Peripheral Component Interconnect, referred to as PCI) ) Express bus is connected to the corresponding IOC module. As a peripheral of the host, the IOC module has its own input and output (IO) address and memory address space. The host performs configuration and data transmission of the IOC module through IO and memory access. Because the structures of the two storage controller boards are...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/56H04L12/911
Inventor 王晋涛
Owner ZTE CORP
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