Assuming you are on windows...
Open the start menu, type in disk management and run
You must login or register to view this content.
If your drives are mirroring each other, the column labelled "Layout" should say mirroring, and not "Simple".
From here, right click on the coloured version of the drive and you should see the option to "Remove mirrored volume". Follow the instructions from there, and you should be able to use the redundancy drive again.
Originally posted by Mikevigi
Let me start by saying I don’t know much about pc’s. I recently received my grandfathers old pc. The issue I need help with is how to disable hard drive mirroring. The pc has 4 x 128gb Corsair force gs ssd’s but there is only 235gb of storage space. I don’t care about backing up my files because I’m only going to download some games from steam. I just factory reset the pc today to get rid of everything my grandfather had on it (he already transferred everything to his new pc) and it still only has the 235gb. I’ve tried googling how to fix this but none of the fixes work for me. Anybody have any ideas on what I need to do?