I am trying to install latest proxmox 5.2 on a Supermicro system with 12x hot swap 3.5 bays and a SAS 9210-8I SATA/SAS controller connected to them.
https://www.broadcom.com/products/storage/host-bus-adapters/sas-9210-8i
I am not trying to use the controller for raid just as a sata controller...