Hello, here is my setup :
synology server, 2x100G LUN exposed via a common target
proxmox 4.1-1 i cluster on 3 servers
new VM :
bios: ovmf
bootdisk: scsi0
cores: 4
ide2: local:iso/debian-8.2.0-amd64-netinst.iso,media=cdrom
memory: 2048
name: vm1
net0: virtio=3A:34:66:31:36:37,bridge=vmbr0...