j4205

Hardware: ASRock j4205 with 8gb RAM, 2x4TB WD Red, crucial ssd 250gb (sata), 1gbit ethernet. Hi, I'm using proxmox on the j4205-itx board and run omv in a vm as a nas solution. I also want to have the to hdds mirrored/raid 1. As far as I understand there are four options to provide hdd storage...