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Data transmission method, data receiving method and sotring equipment

A data transmission method and storage device technology, applied in the storage field, can solve problems such as data cannot be used reasonably, data replication time is long, and efficiency is low.

Inactive Publication Date: 2014-03-19
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the data used to generate the snapshot data may still exist in the cache, but this part of the data cannot be reasonably utilized. Each copy needs to read the snapshot data in the data volume first, resulting in a longer time for data copying and lower efficiency

Method used

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  • Data transmission method, data receiving method and sotring equipment
  • Data transmission method, data receiving method and sotring equipment
  • Data transmission method, data receiving method and sotring equipment

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Embodiment Construction

[0075] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0076] The data sending method provided by the embodiment of the present invention can be implemented in a storage device. figure 1 A schematic diagram of the system architecture of the data sending method provided by the embodiment of the present invention, such as figure 1 As shown, the production center includes production hosts, connection de...

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PUM

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Abstract

The embodiment of the invention provides a data transmission method, a data receiving method and storing equipment. The emobodiment comprises that first storing equipment receives a first data order sent by a host; the first data order carries to-be-written in data and address information; a first code is added to the to-be-written in data and address information and buffer emory is written in; the first code is a current time slice code; to-be-written in data and address information corresponding to the first code is read from the buffer; the current time slice code is rewritten to mark follow-up information carried by data order; and the to-be-written in data and address information are sent to second storing equipment. Data copying effiency can be improved.

Description

technical field [0001] The invention relates to storage technology, in particular to a data sending method, a data receiving method and a storage device. Background technique [0002] Data disaster recovery, also known as remote data replication technology, refers to the establishment of an off-site data system, which is an available copy of local data. When a disaster occurs in the local data and the entire application system, the system has at least one copy of available business-critical data in off-site. [0003] A typical data disaster recovery system includes a production center and a disaster recovery center. In the production center, hosts and storage arrays are deployed for normal business operation; in the disaster recovery center, hosts and storage arrays are deployed for taking over the business after a disaster occurs in the production center. Wherein, the storage array of the production center or the disaster recovery center includes multiple data volumes, an...

Claims

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Application Information

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IPC IPC(8): G06F3/06G06F12/08G06F12/0866H04L69/40
CPCG06F11/2094G06F11/2097G06F2201/82G06F12/0866G06F2212/1032G06F2212/466G06F3/06G06F11/2064G06F11/2074G06F11/1451G06F11/1464G06F2201/84G06F2201/885G06F3/065
Inventor 欧阳戟邹冶
Owner HUAWEI TECH CO LTD
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