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Study Basing on the Disc Partition Data Restores Technology

Author: YangXiuQing
Tutor: ZhangQuan;GaoZhanGuo
School: National University of Defense Science and Technology
Course: Electronics and Communication Engineering
Keywords: Disk partition table File System Master Boot Record File Allocation Table Data recovery Logic lock Data Protection
CLC: TP309.3
Type: Master's thesis
Year: 2007
Downloads: 291
Quote: 5
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Abstract


With the deepening of the development of information technology and the application of information technology, more and more computers are widely used in various fields of the national economy and military. As computer data storage and exchange equipment, large-capacity, high-density disk holds a lot of important information and data information. Application in practice, there are some non-subjective factors, such as misuse, accidents, viral infections and damage may result the disk partition disorders, leading to important data stored in the disk is destroyed or lost, may be difficult to restore losses. Hard disk inevitable requirement for data protection as a computer user's data and information carriers, reliability and durability, the data on the hard disk data is often much higher than the value of the hard disk itself. When these unforeseen circumstances cause a data disaster, how effective recovery of some of the important data on the disk, it is very important. Hard drive data recovery is best to restore data from damaged storage media or operating system will not be able to properly read. Objectively speaking, the data is the degree of recovery is mainly dependent on the degree of data corruption, the usual safety and preparedness, and emergency operations after a data disaster. Therefore, a good disk data security and minimize the chances of data disaster, to minimize the data of the extent of the disaster, data recovery should be considered; accident data disaster occurs, professional hard disk data recovery will undoubtedly users the best choice. This thesis is based on a different disk partition structure, different file systems, analyze disk partition table and subregional organizations, to identify the corresponding numerical relations and internal rules. First, the the disk logical lock failure, design a data recovery methods, additional disk logical lock principle, combined with secure password authentication method, design and disk data protection methods based on the principle of disk logical lock. Second, the data for the disk partition information is lost or destroyed due to disaster, summarizes the existing methods of data recovery, and design a complete partition backup and manual calculation method can effectively avoid or mitigate due to partition information destruction caused data disaster. User abuse or misuse may cause data to disk data disaster, designed and implemented a privileged area of ??data protection method based on the disk, the important data and files saved in a privileged area, and through the password mechanism restrict user privileges zone data access. Finally, simple exposition of the ultimate disk data recovery techniques, the need to delete data security and related methods are discussed from the point of view of preventing data leaks.

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > General issues > Security and confidentiality > Data backup and recovery
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