, I had three clones of each drive stored away, every while, week or so, I would make new clones on the stored drives, then suddenly my computer went crazy, nothing would work, I opened it, removed the SSD and HDD and replaced it with a cloned drive, rebooted and my computer was like new, true I may have lost anything I had done in the short time between cloning these replacement drives, but I never even noticed, email is with gmail and can be accessed and many programs keep data when you are signed out, "on line