数据恢复技术案例教程

前言 第1 章数据恢复基本原理····························1
1.1
数据恢复概述·············································1

1.2
数据的可恢复性·········································1

1.3 数据丢失问题分析·····································2

1.3.1
硬件故障···············································2

1.3.2
软性逻辑故障·······································2



1.4
常见逻辑问题解决方案······························3

1.4.1
全盘崩溃和分区丢失····························3

1.4.2
分区内部问题·······································4

1.4.3
文件内部问题·······································4

1.4.4
硬盘、文件被加密或变换····················5




第2 章硬盘物理和逻辑结构························6
2.1
主流存储介质介绍·····································6

2.1.1
电存储技术介质···································6

2.1.2
磁存储技术介质···································6

2.1.3
光存储技术介质···································6



2.2
硬盘外部结构·············································6

2.3
硬盘内部结构·············································8

2.4
硬盘逻辑结构···········································11

2.4.1
盘面····················································11

2.4.2
磁道····················································11

2.4.3
柱面····················································12

2.4.4
扇区····················································12

2.4.5
容量····················································13

2.4.6 线性地址扇区·····································14




第3 章磁盘分区及恢复·······························16
3.1
分区体系概述···········································16

3.1.1
DOS 分区············································16

3.1.2
分区与卷·············································16

3.1.3
扇区地址·············································17



3.2
主引导记录···············································17

3.2.1
MBR 与计算机引导流程····················17

3.2.2
MBR 的结构·······································18




录
3.2.3 DPT 数据结构····································19
3.3
扩展分区与EBR ······································23

3.3.1
扩展分区的概念·································23

3.3.2
EBR 结构解析····································24



3.4
MBR/EBR 参数异常的几种情形及解决方法···················································28

3.4.1
引导代码的恢复····················