Person@Laptop:~$ sudo pvs /dev/sdc: open up unsuccessful: No medium uncovered /dev/sdd: open unsuccessful: No medium discovered /dev/sde: open up unsuccessful: No medium uncovered /dev/sdf: open up unsuccessful: No medium found /dev/sdc: open unsuccessful: No medium found /dev/sdd: open failed: No medium found /dev/sde: open up unsuccessful: No medium observed /dev/sdf: https://vernon54208.thenerdsblog.com/32137591/about-delivery