PCIe-based storage extension system and method

A technology of storage expansion and main storage, which is applied in the field of data storage, can solve the problems of limited storage space and achieve the effects of increasing stability, simple and easy storage expansion, and expanding storage capacity

Active Publication Date: 2014-01-29
ZHEJIANG UNIVIEW TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to solve the problem of limited storage space for expansion in the prior art, and propose a storage expansion system and storage expansion method based on PCIe, which can expand storage capacity without limitation

Method used

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  • PCIe-based storage extension system and method

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Embodiment Construction

[0035] The technical solution of the present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments, and the following embodiments do not constitute a limitation of the present invention.

[0036] In this embodiment, the PCIe interface is taken as an example to further describe the storage expansion device of the present invention. In this embodiment, the storage expansion system such as figure 1As shown, it includes a main storage device and at least one storage expansion device. When the storage capacity of the main storage device is insufficient, the storage expansion device can be cascaded to form a large-capacity storage expansion system with the main storage device to meet the needs of large data storage.

[0037] The main storage device includes a main control module with at least one PCIe interface, a main PCIe switching module and a storage disk.

[0038] Wherein the main control module is provided with at l...

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Abstract

The invention discloses a PCIe-based storage extension system and method. The system comprises a main storage device and at least one storage extension device. The main storage device further comprises a main control module and a main PCIe exchange module. Each storage extension device further comprises an extension control module and an extension PCIe exchange module. The main storage device is in cascade connection with the storage extension devices through PCIe interfaces. According to the method, the standby storage extension devices are actively awakened through the main storage device or storage extension devices, and storage capacity is extended by configuring the number of PCIe communication links between the storage extension devices and the main storage device and transmission rate. The system and method is simple and easy; storage capacity can be extended on a large scale under no capacity limitation; link bandwidth is configured according to a configuration command, so that link bandwidth can be widened effectively, intelligent awakening of the storage extension devices is supported, and the purpose of energy-saving design is achieved.

Description

technical field [0001] The invention relates to the technical field of data storage, in particular to a PCIe-based storage expansion system for expanding storage capacity and a storage expansion method thereof. Background technique [0002] In this era of explosive data growth, with the development of enterprises, it is a common phenomenon that the hard disk space of the server is full. Storage area network (SAN) or the purchase of new high-capacity hard drives are common ways to expand storage space. With the development of interface technology, serial data communication interface SATA, external serial data communication interface Esata, universal serial bus USB, serial small computer system interface SAS, serial RapidIO interface, etc. There are many solutions. PCIe (Peripheral Component Interconnect Express), a fast peripheral interconnection standard, has been recognized by the market for its high-speed transmission rate. PCIe3.0 can reach a one-way transmission rate o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/06
Inventor 冯声威
Owner ZHEJIANG UNIVIEW TECH CO LTD
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