Notification method and equipment for RSCN message

A message and notification technology, applied in the field of communication, can solve the problems of increasing the processing load of switches, redundant updates, increasing network traffic load, etc., and achieve the goal of reducing redundant RSCN message transmission, reducing traffic burden, and reducing processing burden Effect

Active Publication Date: 2013-10-23
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In the prior art, the name service information of the storage device is not registered to the switch at one time, but needs to be registered to the switch through multiple name service registration request processes, resulting in frequent exchanges of RSCN messages and GE_ID

Method used

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  • Notification method and equipment for RSCN message
  • Notification method and equipment for RSCN message
  • Notification method and equipment for RSCN message

Examples

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Embodiment Construction

[0039] Aiming at the problems existing in the prior art, the embodiment of the present invention provides a method for notifying an RSCN message, which can be applied to an FC network including storage devices (such as servers and disk arrays) and multiple switches, such as figure 2 As shown, the method includes the following steps:

[0040] In step 201, the switch determines that the name service information of the storage device changes. Among them, the name service information of the storage device changes specifically: the storage device registers the name service information of the storage device (such as registering through the name service registration request), or the storage device updates the name service information of the storage device (such as through the name service registration request to update), or the storage device cancels the name service information of the storage device (for example, the switch determines that the link between the switch and the storag...

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Abstract

The invention discloses a notification method and equipment for an RSCN message. The method includes the steps that when a switch determines that name service information of a storage device changes, whether the RSCN message corresponding to an FC_ID of the storage device is recorded on the switch is checked; if not, the RSCN message of the storage device is generated by utilizing reasons for change of the current name service information of the storage device, correspondence between the FC_ID of the storage device and the RSCN message is recorded, and an ageing timer is arranged for the correspondence; if yes, the RSCN message corresponding to the FC_ID of the storage device is maintained, and the ageing timer of the storage device is updated; the switch sends the RSCN message corresponding to the ageing timer to other switches when the ageing timer shows a timeout. By means of the notification method and equipment for the RSCN message, flow burdens in the network can be reduced, and the processing burden of each switch can be reduced.

Description

technical field [0001] The invention relates to the technical field of communication, in particular to a method and equipment for notifying an RSCN message. Background technique [0002] With the continuous growth of Internet applications, the server needs to store more and more information, which leads to the continuous increase of the storage capacity of the server. When the internal storage capacity of the server cannot meet the demand for information growth, it is necessary to "externalize" the storage of the server. To this end, SAN (Storage Area Networks, storage network) is used to provide a dedicated external storage environment for servers to meet the storage, access and backup needs of large-capacity and highly reliable information. FC (Fibre Channel, Fiber Channel) is a widely used protocol in SAN, and FC network can transmit upper layer protocol data, including SCSI (Small Computer System Interface, small computer system interface), IP, VIA (cluster virtual inte...

Claims

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Application Information

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IPC IPC(8): H04L12/751H04L12/24H04L45/02
Inventor 王珏
Owner NEW H3C TECH CO LTD
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