A high-speed mirroring method for computer storage medium

A technology of computer storage and storage media, applied in the field of high-speed mirroring, which can solve problems such as inability to run normally for a long time, high system resource consumption, and slow evidence collection equipment, etc., to save precious time and expenses, improve work ability, and improve work efficiency.

Active Publication Date: 2016-12-21
XIAMEN MEIYA ZHONGMIN TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, although these companies have storage media mirroring functions, their working speed is not very good in line with expectations.
[0003] In this field, the current mirroring function of computer storage media is not in a completely ideal state in the process of forensics. Some forensics equipment is slow, and even cannot run normally for a long time. Some consume a lot of system resources. , there will be abnormal termination during the process of forensics

Method used

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  • A high-speed mirroring method for computer storage medium

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Experimental program
Comparison scheme
Effect test

Embodiment

[0057] step 1,

[0058] Define the data acquisition operation space R (referred to as space R), and the space R is responsible for obtaining data from the storage medium; define the image production operation space W1, W2, W3, ..., Wn, n∈N (referred to as the space Wn), and the space Wn is responsible for the space The data acquired by R is mirrored.

[0059] Define independent data spaces M1, M2, M3, ..., Mn, n∈N (data space M for short). The size of each data space M can be the same or different.

[0060] Define the synchronization factors AR1, AR2, AR3, ..., ARn, n∈N of space R, and the synchronization factors AW1, AW2, AW3, ..., AWn, n∈N of space Wn. The synchronization factor is divided into a valid state and an invalid state. When it is in the valid state, the running space waiting for it can continue without stopping. When it is in the invalid state, the running space waiting for it will keep stopping and cannot continue to run. Initialize ARn as a valid state, and A...

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Abstract

The invention relates to a high-speed mirror image method of computer storage mediums. The method comprises the following steps that 1, a data obtaining operation space, at least more than one mirror image manufacture operation space and at least more than one independent data space are defined; 2, the data obtaining operation space and the mirror image manufacture operation space are started; and 3, the data obtaining operation space obtains data from the storage mediums to the independent data space, and after the data obtaining is completed, the mirror image manufacture operation space writes data into a mirror image file from the independent data space; and after each independent data space completes the data writing, one corresponding mirror image manufacture operation space writes data into the mirror image file from the current independent data space, meanwhile, the data obtaining operation space obtains data from the storage mediums to another independent data space, another corresponding mirror image manufacture operation space writes data into the mirror image file from the current independent data space, and in addition, the circulation is repeated until the task is completed. The mirror image of the computer storage mediums is fast, and the work efficiency is improved.

Description

technical field [0001] The invention relates to a method for duplicating data, more specifically, to a method for high-speed mirroring of computer storage media. Background technique [0002] Copying, mirroring and restoration of computer storage media is a powerful technical means to support electronic forensics, and it is an indispensable operation process in electronic forensics work. At present, relevant technologies are developing vigorously, and the forensic software launched by some companies has their own functions such as copying, mirroring, and restoring computer storage media. However, although these companies all have storage medium mirroring functions, their working speed is not very good in line with expectations. [0003] In this field, the current mirroring function of computer storage media is not in a completely ideal state in the process of forensics. Some forensics equipment is slow, and even cannot run normally for a long time. Some consume a lot of sys...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F3/06G06F17/30
Inventor 叶伟陈集峰吴世雄魏鹏
Owner XIAMEN MEIYA ZHONGMIN TECH CO LTD
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