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Data recovery is the process of recovering data from damaged, damaged or unusable second storage medium, if you can not be used as usual. Often the source of data on storage media such as hard drives, memory, tapes, hard drives, RAID and other electronic devices. Replacement may be necessary, because the physical damage of the disk or logical file system damage, which prevents the installation of computer operating system.
The most common scenario Data Capture System (OS) error (usually only one partition, the system is simply an operating system), in this case, the destination to copy the necessary files to another disk. This is easy to make a live CD, most of which offer opportunities to support the backup and installation disk or on removable media and transfer files from your system to ensure the safety of the File Manager backup software and optical drives control. These cases can often put the drive and save data files on par (or copies) on a different partition than the operating system paging files are mitigated.
Another scenario is that an individual case, as the official file system or hard drive or disk partition. In both cases the data can be read easily. Depending on the situation, the solution to a file to correct, to recover master boot record or partition techniques, data from damaged hard drives recovery reform damaged disk-based software, hardware. If it is necessary to restore a hard drive, the disc is usually not permanent, and the emphasis is on recovery, and not all at once if they can read the data.
In the third scenario, the files are "removed" by the media. Usually deleted files are not removed immediately, but references to them will be removed in a directory structure and the space that is to replace available later. At the same time the original file is restored.
While there is some confusion in terminology, the term "data recovery" may in relation to these issues in connection with the forensic or intelligence can be used .
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