I don't see the upside of this idea. there already is reallocation of data from bad sectors, SSDs usually come with spare blocks. if your disk shows signs of fa

I don't see the upside of this idea. there already is reallocation of data from bad sectors, SSDs usually come with spare blocks. if your disk shows signs of failures, you replace it. what benefit would there be to have a single "redundant disk", that is partly failing? you still have to replace the whole thing