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Method and relative device for hardware array data migration

A column data and data technology, which is applied in the field of hard disk array data migration, can solve problems such as consumption, multi-system resources, and poor data migration efficiency, and achieve the effect of improving performance and reducing the number of times sent

Active Publication Date: 2007-04-25
VIA TECH INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

And every time the computer system needs to issue instructions to the hard disk, it will consume considerable system resources, so the more write instructions, the more system resources will be consumed
However, the conventional data migration technology in Figure 1 requires more data writes because the data specified by each write command is too small, and consumes more system resources, resulting in poor efficiency of data migration.

Method used

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  • Method and relative device for hardware array data migration
  • Method and relative device for hardware array data migration
  • Method and relative device for hardware array data migration

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Embodiment Construction

[0026]Please refer to FIG. 2 ; FIG. 2 is a schematic diagram of an embodiment of the computer system 10 of the present invention. The computer system 10 includes a central processing unit 12 , a chipset 14 , a memory 18 , a controller 16 and various non-volatile storage devices HD( 1 ) to HD(N). The central processing unit 12 is used to control the operation of the computer system 10, and is responsible for the processing of data and data and the execution of the program; the memory 18 as the system memory can be a dynamic random access memory, which is used to store the required data during the operation of the central processing unit 12. data, data or programs. The chipset 14 is electrically connected to the central processing unit 12 , the memory 18 and the controller 16 to manage data exchange between these circuits. The storage devices HD(1) to HD(N) can be hard disks, and the controller 16 can be a hard disk controller or a hard disk array controller, through a bus (suc...

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Abstract

This invention relates to a method of data migration and correspondent set, read the data from the original hard disk and write into each hard disk of one hard disk array. This invention first read the data continually from the original hard disk, till the cumulative read data makes the data of each son data no less than one after separating each block of son data and write in the extreme, write the son data in each hard disk. Thus, this invention makes full use of every chance of writing array, makes each time write more data, shorts the systematic resource consume caused by writing control.

Description

technical field [0001] The present invention provides a method and a related device for data migration of a hard disk array, in particular a data migration method and a related device capable of reducing the number of write command controls to improve data migration performance. Background technique [0002] Computer systems can assist users in managing, computing, and accessing large amounts of data, data, and audio-visual files, and have become one of the most important hardware foundations of the modern information society; The system can access more data and data faster and more accurately. [0003] In recent years, as the cost of hard disks decreases and the capacity increases, modern computer systems can be equipped with multiple hard disks, and various data structures can be used to integrate these hard disks into a whole hard disk array. For example, under the data structures of levels 0, 2, 3, 4, 5 (that is, RAID 0, RAID 2 to RAID 5) of redundant cheap hard disk ar...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F3/06G06F12/00
Inventor 李勇
Owner VIA TECH INC