$ sudo lvmdiskscan
  /dev/sda1 [     512.00 MiB]
  /dev/sda2 [    <465.26 GiB]
  0 disks
  2 partitions
  0 LVM physical volume whole disks
  0 LVM physical volumes

$ sudo pvcreate /dev/sda
  Device /dev/sda excluded by a filter.

$ sudo lvmdiskscan
  /dev/sda1 [     512.00 MiB]
  /dev/sda2 [    <465.26 GiB]
  0 disks
  2 partitions
  0 LVM physical volume whole disks
  0 LVM physical volumes