Consumer@Computer system:~$ sudo pvs /dev/sdc: open up unsuccessful: No medium found /dev/sdd: open failed: No medium identified /dev/sde: open failed: No medium located /dev/sdf: open up unsuccessful: No medium observed /dev/sdc: open up unsuccessful: No medium located /dev/sdd: open up unsuccessful: No medium uncovered /dev/sde: open up unsuccessful: No medium https://edwinyflsx.prublogger.com/26403905/pickup-an-overview