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Chapter 26. Check for Damaged Disks and ... > Special Case: Recover/Repair Files D...

Special Case: Recover/Repair Files Damaged Due to Bad Blocks

If bad blocks are present in the area of a disk occupied by a file, usually you cannot open or copy the file. If you try, you get an error message that says a file could not be read. On the other hand, if you get a write or verify error when you try to copy a file, this also indicates bad blocks. However, the file itself is not damaged. Rather, the bad block is in the presently unused destination location for the file copy (though there may also be more bad blocks on this disk, in locations that are occupied by files).

This section explains how to repair and/or recover files that have been damaged due to bad blocks.


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