Most industries have their own special language which is often filled with strange (to the rest of us) phrases and acronyms that make it sound like a totally foreign language and the data recovery industry is no different
Most of the time that you are exposed to what appears to be plain gibberish is when you actually need help and the last thing you want to do is to suddenly have a huge learning curve to simply understand what is being said to you.
Not picking on any camp in particular as most technical sectors have there own techno babble, but lets look at terms often used by data recovery services companies.
When you have a data recovery problem the chances are that your problem will be described as one of two different types and these are logical problems and physical and physical problems, although to add to the confusion there are some grey areas where the two overlap.
Physical categories just as the name implies are problems that can affect storage media due to some form of mechanical failure. Often mechanical failures will require a hard drive repair of some description but if the problem is caught early enough and for some types of physical failure a hard disk repair may not be necessary.
Some mechanical problems if not diagnosed early enough can go on to cause further damage and irrecoverable data problems for example a head drive crash. When the head crashes it hits the spinning disk inside the drive which can create particles in the drive that subsequently cause further crashes and then a vicious spiral ensues until the data on the platter (disk) is beyond recovery.
Logical problems tend to revolve around file loss or damage of some description and generally this is not as serious (or as costly) to recover although this may not be the case if somebody has made a bodged data recovery attempt. Generally the files and folders are still on the drive (even if they have been deleted or the drive has been formatted) somewhere but they can’t be seen or perhaps simply can’t be read as they may have become corrupted (file corruption) in some way.
One common problem that can manifest itself and is often a source of data loss is hard drive degradation, in simplistic terms this is where parts of the drive have simply lost the ability to be either written to or read from. The data on the drive may still be recoverable but it is just difficult to “see” so needs to be read using specialist tools.
Other logical failures if you want to learn more include for example lost files and folder, virus attacks causing damage to system files making it impossible to access data, destroyed file tables, corrupted files, bad MFT records possibly caused by boot sector viruses, partition errors, and the operating system not being able to access the drive in order for you to actually use the computer.
You can find more useful information about these and other data recovery issues at the data recovery companies directory.
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