I have a question very similar to this one: Pass USB Device to LXC
I have my externel disk enclosure that is plugged in USB on host:
root@pve:~# lsusb
Bus 004 Device 006: ID 174c:55aa ASMedia Technology Inc. ASM1051E SATA 6Gb/s bridge, ASM1053E SATA 6Gb/s bridge, ASM1153 SATA 3Gb/s bridge...