lsblk apt install ntfs-3g mkdir /usbdrive mount -t ntfs-3g /dev/sdb1 /usbdrive pvesm add dir usbdrive --path /usbdrive --content backup
ref: https://forum.proxmox.com/threads/automount-usb-on-proxmox.4188/ ref: https://forum.proxmox.com/threads/how-to-mount-existing-disk-to-storage.66559/ ref: https://nubcakes.net/index.php/2019/03/05/how-to-add-storage-to-proxmox/