Consumer@Computer system:~$ sudo pvs /dev/sdc: open up unsuccessful: No medium observed /dev/sdd: open up unsuccessful: No medium uncovered /dev/sde: open unsuccessful: No medium identified /dev/sdf: open up unsuccessful: No medium located /dev/sdc: open up failed: No medium found /dev/sdd: open failed: No medium discovered /dev/sde: open failed: No medium discovered https://angeloyflqw.plpwiki.com/5967284/top_delivery_secrets