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Breakpoint re-copying method for medium data

A data replication and data breakpoint technology, applied in the field of judicial evidence collection, can solve problems such as low efficiency, achieve the effect of saving resources and improving replication efficiency

Active Publication Date: 2013-04-03
PANSAFE SOFTWARE SHANGHAI
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

During the copy process, due to various reasons, once the copy task is suspended before the copy is completed, the copy task can only be restarted, which is inefficient

Method used

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  • Breakpoint re-copying method for medium data

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Embodiment Construction

[0015] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.

[0016] A method for continuous copying of media data according to the present invention comprises the following steps:

[0017] 1) The system generates task information according to the characteristics of the media data, and starts to copy the media data; the characteristics of the media data include media capacity, serial number and copy mode.

[0018] 2) When the media data transmission is interrupted, the system records the status information of the stop point, and adds the status information of the stop point and the characteristics of the media data to the list of unfinished tasks; the status information of the stop point includes the status information of the media data copy interrupt address.

[0019] 3) When the system starts a new media ...

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Abstract

The invention discloses a breakpoint re-copying method for medium data. The method comprises the following steps: a system generates task information according to characteristics of the medium data and begins to transmit the medium data; when the transmission of the medium data is interrupted, the system records state information of a stopping point and adds the state information of the stopping point and the characteristics of the medium data to an unfinished task list; when the new medium data transmission task is started by the system, the systems compares the characteristics of the new medium data transmission task and the characteristics of the medium data in the unfinished task list; if a comparison result is that the characteristics of the new medium data transmission task are as same as the characteristics of the medium data in the unfinished task list, the system extracts the information of the unfinished task and then continues the transmission of the medium data according to the state information of the stopping point; and if the comparison result is that the characteristics of the new medium data transmission task are different from the characteristics of the medium data in the unfinished task list, the system adds the new medium data transmission task to the unfinished task list and then starts the new medium data transmission.

Description

technical field [0001] The present invention relates to the field of judicial evidence collection, and in particular relates to a method for continuing media duplication when it is necessary to stop halfway during the mirroring process of the media. Background technique [0002] When the current hard disk duplicator or duplication program performs media duplication, it will assume that the media duplication process can be continuously completed. If it cannot be completed once, it must be copied from the beginning next time. During the copy process, due to various reasons, once the copy task is suspended before the copy is completed, the copy task can only be restarted, which is inefficient. Contents of the invention [0003] The purpose of the present invention is to provide a method for continuous copying of media data, which supports the mode of continuous copying at breakpoints and can skip the copied part when copying to the medium next time, so that the copying proces...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F9/46
Inventor 李毅沈永安杜鹃
Owner PANSAFE SOFTWARE SHANGHAI
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