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#41
No, I don't know what it is or why I would do it. My system is setup with a 1TB hard dive which is for my OS and any system files. then I have 3 2TB hard drives and on those hard drive, I have triple redundancy so I have an exact copy of all my data on 3 different drive so I would have to lose 3 hard drive at the same time to lose anything. I use GoodSync to backup things and it works great.
If I remember correctly a image is a copy of the drive that you have everything on it and in case that hard drive goes bad you have the image. In my case if I lose a hard drive I just buy a new one and copy the data from one of the 3 backup drives or if it is the drive with my OS I just do a clean install.
This way may not be perfect but it has worked for me for years.