It doesn’t do much good to have any amount of backup if you can’t use it. Right now, the NAS, where I intended to put them appears dead. Not sure what happened. I powered down, put the new drives in, powered up with the newest Ubuntu server disk, and it dies on the install. Now it won’t start up at all. I get the Ubuntu graphic, then a blinking cursor. I am going to have to pull everything out, and put back pieces until it starts up. Just what I wanted to do.