R-Studio 数据恢复指南：Linux 文件系统修复

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"R-Studio 是一套功能强大且经济实惠的数据恢复软件，它采用先进的数据恢复技术，能够从多种文件系统中恢复丢失的文件。支持的文件系统包括 Linux 的 Ext2/3/4FS，FAT12/16/32，exFAT，NTFS，NTFS5，HFS/HFS+（Macintosh），以及不同字节序的 UFS1/UFS2（FreeBSD/OpenBSD/NetBSD/Solaris）分区。这是一款全面的数据恢复解决方案，适用于各种操作系统环境下的文件恢复任务。" 在深入探讨 R-Studio 在 Linux 恢复中的应用之前，我们先了解一下这款软件的基本信息。R-Studio 是由 R-Tools Technology Inc. 开发的用户手册，旨在帮助用户了解如何使用该工具进行数据恢复。尽管手册的版权条款限制了内容的复制和分发，但其中包含的丰富信息对需要恢复丢失数据的用户非常有价值。 **I. R-Studio 介绍** 1. **R-Studio 功能**：R-Studio 提供了一系列高级功能，如磁盘扫描、文件预览、数据恢复、磁盘克隆等，能够处理各种数据丢失情况。 2. **系统需求**：手册中会列出运行 R-Studio 所需的硬件和软件配置，确保用户在合适的环境中使用软件。 3. **联系信息和技术支持**：提供 R-Tools Technology Inc. 的联系方式，以便用户在遇到问题时获取技术支持。 4. **R-Studio 主面板**：详细介绍了主界面的各个部分，包括扫描区域、文件列表、恢复选项等，帮助用户快速上手。 5. **R-Studio 设置**：涵盖了软件的各种设置选项，用户可以根据自己的需求调整参数以优化恢复过程。 **II. 使用 R-Studio 进行数据恢复** 1. **基本文件恢复**：教程会指导用户如何执行简单的文件恢复，包括选择需要扫描的分区或磁盘，启动扫描过程，以及选择恢复策略。 2. **搜索文件**：用户可以按名称、日期或其他属性搜索丢失的文件。 3. **预览文件**：在恢复文件之前，可以预览其内容以确认文件的完整性。 4. **文件掩码**：通过指定文件掩码，可以更精确地定位特定类型的文件进行恢复。 5. **正则表达式**：高级用户可以利用正则表达式来进一步筛选和匹配文件。手册还可能涵盖高级功能，如坏道处理、深度扫描、已删除分区的恢复、加密或压缩文件系统的处理等。R-Studio 不仅支持 Linux 文件系统，还兼容多种其他操作系统，使其成为跨平台数据恢复的强大工具。然而，重要的是要注意，虽然 R-Studio 提供了强大的功能，但并不能保证在所有情况下都能成功恢复数据，因为数据恢复的成功率往往取决于多种因素，如文件覆盖、硬件故障等。用户应始终谨慎操作，并定期备份重要数据以防止数据丢失。

R-Studio Manual11

R-Tools Technology Inc.

Bad Sectors

Bad Sectors dialog box

Bad Sectors settings

Default read attempts

Specifies a default value for I/O Tries, or how many times R-Studio will try to

read a bad sector. You may specify this parameter for each drive separately

on the Properties tab.

Set for all drives

Click this button to reset I/O Tries for all drives to the default value.

Pattern to fill bad blocks

Specifies a default pattern R-Studio will use to fill bad sectors in files to

recover, in images, or when showing data in the Text/hexadecimal editor.

You may specify the pattern either in the ANSI or Hex data format.

Note: R-Studio will never ever try to write anything on the disk from which

data is to recover or an image is to create.

Memory Usage

Memory Usage dialog box

These settings control how much memory R-Studio uses for its work. They help preventing R-Studio from

locking when trying to perform very memory-consuming tasks like scanning large disks or processing file

systems with a lot of files.

Memory Usage settings

Disable memory control

If this option is selected, the memory control is disabled.

Automatic

If this option is selected, R-Studio will automatically stop performing the task

when the amount of used memory reaches the specified value. You may

specify the limit for either the virtual or physical memory.

You may see how much memory R-Studio actually uses on the Memory Usage dialog box.

Data Recovery Using R-Studio

R-Tools Technology Inc.

Data Recovery Using R-Studio

Depending on the situation, data recovery may vary:

1. Recovery of deleted files that have resided on an existing logical disk

This can be done using Basic File Recovery.

2. Recovery of files that have resided on a data disk with a damaged file system, or on a previously

deleted or re-formatted partition

If the file system on such logical disk is damaged, the operating system sees that logical disk as a partition

without a valid file system. Such partition should be previously scanned. Also, it should be scanned if you

want to recover data on a previously deleted or re-formatted partition.

When the partition is scanned, a number of recognized partitions will appear. R-Studio shows them in

different colors depending on which elements of the partition have been found.

An existing logical disk or partition

Both boot records and file entries are found for this partition

Only file entries are found for this partition

Only boot records are found for this partition

Empty space on the object

Files that have been found using scan for known file types.

Although such recognized partitions are virtual objects, files can be searched for and recovered from

recognized partitions as from real logical disks using Basic File Recovery.

To successfully recover files from a recognized partition, it is necessary to find a right one which corresponds

to the real logical disk on which the files resided. No strict rules can be applied to that, but the following

considerations should be taken into account:

If you are going to recover files from a disk with a damaged file system, most likely the right recognized

partition will be a green one.

If you are going to recover files from a previously deleted or re-formatted partition, most likely the

right recognized partition will be a yellow one.

Also always check the recognized partition's file system, start point, and size. They should be the same for

the recognized partition and real logical disk/partition. When in doubt, try to preview a couple of files from

the recognized partition. If the files are seen correctly, this is the right partition.

3. Data recovery from a damaged system disk. The computer does not start up.

If this computer is on a network, create an R-Studio Agent Emergency startup disk for the computer,

install R-Studio on another computer on the network, and recover data over network.

If this computer is stand-alone, create an R-Studio Emergency startup disk and use it to start up the

computer and recover data. You may use external USB hard disks to store recovered files.

R-Studio Features

Contact Information and Technical Support

Basic File Recovery

Advanced Data Recovery

Mass File Recovery

Volume Sets and RAIDs

Data Recovery over Network

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