Dateien löschen mit Soft Erase dauert endlos - Alternative?
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Re(3): Dateien löschen mit Soft Erase dauert endlos - Alternative?
20.08.2006, 00:43:11
Data Recovery After Formatting

In FAT, formatting a volume clears both file allocation tables and deletes the root directory. All data is still there, but you have lost:
# All entries in the root directory. Files can only be recovered as "lost files". Sub directories of the first level will have only numbers instead of their original name. Sub directories of deeper levels show their original name.
# The file allocation tables. This will cause the "fragmentation problem" as discussed in the chapter "Logical reconstruction with GetDataBack for FAT".

Within the limitations above, you will get a "fair" data recovery. Most files should be uncorrupted. You will need to look for your files in the numbered directories. Fragmented files, such as Outlook email files or databases, will be corrupted and probably unusable.

In NTFS, formatting a volume creates a new MFT. However, this affects only the first 25 or so entries. It usually does not touch the MFT entries of previous user files.

That means you can expect a "good" data recovery. Almost all files should be correctly retrieved.

Your results will be even better when you formatted a drive that was previously FAT-formatted with NTFS or vice versa. In this case the original FAT or MFT will probably not be damaged because these structures are located at different areas on the drive.


Quelle:
http://www.runtime.org/recoverability.htm



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