Data loss can be generally categorized into two classes: Logical or Physical Cause. As a result,
Logical Data Recovery and Physical Data Recovery are the two corresponding solutions.
Logical Data Recovery is known as Software-level File System Restoration .
Logical Data Recovery does not involve mechanical or physical repairs. Problems like viruses,
deletion, formatting, partition loss, operating system corruption, firmware corruption,
database indexing corruption, file structure damage and clone-by-mistake are just some
of the examples of Logical Causes. By far, database indexing corruption and clone-by-mistake
are the most challenging problems in the Logical Data Recovery service industry.
Symptoms include but are not limited to the following:
Documents cannot be found or opened as usual;
The disk cannot be read normally via the operating system;
The partition is lost;
“Unformatted partition” messages pop up,etc.
Likewise, Physical Data Recovery requires mechanical or physical repairs
in order to retrieve data. Hard drive or device physical damage
can be a result of a manufacturer’s defect, a physical impact such as a device
being dropped or bumped while it is running, or fire and water damage.
The damaged chips or components manifest problems such as bad track,
scratches on platters, motor seizure, head crash, burnt PCBA and other malfunctioning components.
Symptoms may include but are not limited to the following: