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Data storage method and network interface card

A network interface card and data storage technology, applied in the field of data storage, can solve the problems of application program processing speed impact, long time consumption, low storage speed, etc.

Active Publication Date: 2014-09-24
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0018] The embodiment of the present invention provides a method for storing data and a network interface card, which are used to solve the problems of long time consumption, low storage rate and processing rate of other applications in the process of storing data in the prior art. Defects that affect

Method used

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  • Data storage method and network interface card

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Embodiment Construction

[0066] 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.

[0067] Additionally, the terms "system" and "network" are often used herein interchangeably. The term "and / or" in this article is just an association relationship describing associated objects, which means that there can be three relationships, for example, A and / or B can mean: A exists alone, A and B exist simultaneously, and there exists alone ...

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Abstract

The invention discloses a data storage method and a network interface card. In the scheme, due to the fact that cached unsolicited data are written into the corresponding storage space of a destination address corresponding to the unsolicited data in a DMA (direct memory access) mode and the rate for writing in data in the DMA mode is higher than the rate for writing in data in a copying mode, time required in a data storage process is shortened, and the storage rate is improved. Meanwhile, as a writing-in operation is carried out by network interface card hardware, consumption on CPU (central processing unit) resource is lowered so as to lower influence on the processing rate of other application programs.

Description

technical field [0001] The invention relates to the technical field of data storage, in particular to a method for storing data and a network interface card. Background technique [0002] With the development of network technology and the exponential growth of digital information, the importance of network storage has become increasingly apparent, and various network storage technologies have emerged as the times require. iSCSI (Internet Small Computer System Interface, Internet Small Computer System Interface) technology is a storage technology that runs the SCSI (Small Computer System Interface, Small Computer System Interface) protocol on an IP (Internet Protocol, Internet Protocol) network. It has the advantages of simple maintenance, easy expansion, and relatively low hardware cost, which makes iSCSI technology widely used. The schematic diagram of the SCSI protocol module is as follows Figure 1A shown. [0003] iSCSI data transmission mainly involves the process of r...

Claims

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Application Information

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IPC IPC(8): G06F13/28G06F1/16H04L12/02
CPCG06F13/28G06F13/128H04L67/1097H04L69/16H04L9/40
Inventor 钱飞立
Owner HUAWEI TECH CO LTD
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