audio-galaxy ~ # vgreduce vg /etc/hdc1
  Couldn't find device with uuid 'JFJwCl-QFdm-9S8H-z3z8-pJ7d-uA2E-y1PnhA'.
  Couldn't find all physical volumes for volume group vg.
  Couldn't find device with uuid 'JFJwCl-QFdm-9S8H-z3z8-pJ7d-uA2E-y1PnhA'.
  Couldn't find all physical volumes for volume group vg.
  Couldn't find device with uuid 'JFJwCl-QFdm-9S8H-z3z8-pJ7d-uA2E-y1PnhA'.
  Couldn't find all physical volumes for volume group vg.
  Couldn't find device with uuid 'JFJwCl-QFdm-9S8H-z3z8-pJ7d-uA2E-y1PnhA'.
  Couldn't find all physical volumes for volume group vg.
  Volume group "vg" doesn't exist