Method and system for expanding capacity of memory device

A storage device and expansion method technology, applied in the field of data storage, can solve the problems of insufficient utilization of network bandwidth, inability to re-share network storage devices, and low operating efficiency, and achieve high utilization rate, less network data exchange, and use of Maintenance-friendly effect

Active Publication Date: 2010-06-23
CHENGDU SOBEY DIGITAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

On the one hand, these network storage methods all have the above-mentioned storage defects, and at the same time, there are defects such as i

Method used

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  • Method and system for expanding capacity of memory device
  • Method and system for expanding capacity of memory device
  • Method and system for expanding capacity of memory device

Examples

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Example Embodiment

[0071] In order to facilitate a further understanding of the invention, specific embodiments of the invention will be described in detail below with reference to the accompanying drawings.

[0072] in figure 1 In the structure provided, a plurality of storage devices 11, 12, 13...1N constituting the storage device group 1 respectively establish connections with the storage expansion manager 2 and the storage expansion access controller 3 at the same time. The storage Devices 11, 12, 13...1N include local storage devices and network storage devices. Each storage device constituting the storage device group 1 is used to store data, and is expanded and managed by the storage expansion manager 2, and the I / O access to it is realized under the control of the storage expansion access controller 3.

[0073] The local storage device is a locally directly connected storage, including hard disks, electronic hard disks, Flash flash disks, optical storage devices, floppy disk drives with flopp...

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Abstract

The invention relates to a method and a system for expanding the capacity of a memory device. The method for expanding the capacity of a memory device comprises the following steps of connecting a plurality of memory devices to form a memory device group and is characterized by further comprising the steps of: recording the connecting address of each memory device and all available ID numbers of a basic memory cell of the memory device; distributing and recording the unique virtual ID number for each basic memory cell; associating each virtual ID number with the connecting address of the corresponding memory device and the ID number of the basic memory cell; and accessing to the corresponding basic memory cell via the virtual ID number. The invention also discloses a system for realizing the method. The invention ensures that a plurality of memory devices are virtualized to form a large hard disc with the capacity being equal to the total capacity of the plurality of memory devices, thereby realizing the unlimited expansion of the memory capacity, greatly improving the memory capacity and realizing the network memory.

Description

technical field [0001] The invention belongs to the technical field of data storage, and relates to a storage control method and system for a storage device, in particular to a method and a system for expanding the storage capacity of a storage device. Background technique [0002] Data storage is often realized by storage devices such as disks (especially hard disks). Of course, storage devices are not limited to disks, but also include electronic hard disks, Flash flash drives, optical storage devices, floppy disk drives with floppy disks, and other data storage devices. Functional equipment, etc., as well as computers connected to storage devices, storage servers, etc. [0003] As we all know, the data of ordinary hard disk is stored in the storage medium of the hard disk—on the disk, and its basic storage unit is sector (Sector), and the data is stored in each sector. Each sector is numbered, that is, the sector number, and each sector number (whether it is a physical s...

Claims

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Application Information

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IPC IPC(8): G06F3/06
Inventor 余军李科徐广庆刘盾
Owner CHENGDU SOBEY DIGITAL TECH CO LTD
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