Consumer@computer:~$ sudo pvs /dev/sdc: open unsuccessful: No medium discovered /dev/sdd: open up unsuccessful: No medium discovered /dev/sde: open up unsuccessful: No medium identified /dev/sdf: open up failed: No medium discovered /dev/sdc: open up failed: No medium identified /dev/sdd: open unsuccessful: No medium discovered /dev/sde: open unsuccessful: No medium uncovered /dev/sdf: https://alexispxdkq.mysticwiki.com/655286/not_known_details_about_and