So. First of all, here is my setup : HP Proliant Gen 8 Server Xeon e3-1220 V2  16 GB RAM IBM M1015 (flashed in IT mode) controler card.  4 big disks plugged on SAS port 0 on the controller card. 1 SSD plugged on one free SATA connector on the motherboard (I believe it is for optical drive)   I installed ESXI 6.7 - the HP version ("HPE Custom Image for ESXi 6.7 GA").   I was able to migrate my baremetal install of DSM to a VM one (with