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Title:
CONTROL METHOD, DEVICE AND SYSTEM FOR DATA READING-WRITING COMMAND IN NVME OVER FABRIC ARCHITECTURE
Document Type and Number:
WIPO Patent Application WO/2018/102969
Kind Code:
A1
Abstract:
A control method, device and system for a data reading-writing command in an NVMe over Fabric network, resolving the problem wherein due to insufficient storage space in a buffer unit in a target, the processing mechanism is complicated due to buffering data reading-writing commands. By means of said method, before a control device sends a first data reading-writing command, it is determined whether an available storage space of a buffer unit in a storage device is capable of buffering a storage space required for a first data which is to be transmitted by said first data reading-writing command; said first data reading-writing command is only sent when the required storage space is less than or equal to said available storage space, the transmission of said first data reading-writing command is suspended when the required storage space is greater than said available storage space. Thus, said control device sends a corresponding data reading-writing command only when a buffer unit is capable of buffering data which is required to be transmitted by the data reading-writing command, thereby avoiding the problem wherein the processing mechanism for a network card in a storage device is complicated due to buffering data reading-writing commands.

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Inventors:
GISSIN VICTOR (CN)
QIU XIN (CN)
WU PEI (CN)
QU HUICHUN (CN)
ZHANG JINBIN (CN)
Application Number:
PCT/CN2016/108601
Publication Date:
June 14, 2018
Filing Date:
December 05, 2016
Export Citation:
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Assignee:
HUAWEI TECH CO LTD (CN)
International Classes:
G06F12/08
Foreign References:
CN101013409A2007-08-08
CN101499036A2009-08-05
CN106095694A2016-11-09
CN104536701A2015-04-22
US20140215001A12014-07-31
Other References:
See also references of EP 3352086A4
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