I had exactly this same problem. But specifically, I was installing to an internal SSD with two partitions: one for all of linux (root or "/") and the other for "AllMyData". (I do have a hdd, but use it as a backup for my network)
I had exactly this same problem. But specifically, I was installing to an internal SSD with two partitions: one for all of linux (root or "/") and the other for "AllMyData". (I do have a hdd, but use it as a backup for my network)