suse1:/usbdrive # vgdisplay
  Couldn't find device with uuid '5yWILc-Ph1i-6SzD-k6Br-5gt3-fwlo-33YLpL'.
  Couldn't find all physical volumes for volume group vm.
  Couldn't find device with uuid '5yWILc-Ph1i-6SzD-k6Br-5gt3-fwlo-33YLpL'.
  Couldn't find all physical volumes for volume group vm.
  Couldn't find device with uuid '5yWILc-Ph1i-6SzD-k6Br-5gt3-fwlo-33YLpL'.
  Couldn't find all physical volumes for volume group vm.
  Couldn't find device with uuid '5yWILc-Ph1i-6SzD-k6Br-5gt3-fwlo-33YLpL'.
  Couldn't find all physical volumes for volume group vm.
  Volume group "vm" not found