$ lvcreate -L 2000M -n foobar -v Group1

    Setting logging type to disk
    Finding volume group "Group1"
    Archiving volume group "Group1" metadata (seqno 12).
    Creating logical volume foobar
    Creating volume group backup "/etc/lvm/backup/Group1" (seqno 13).
    Found volume group "Group1"
    activation/volume_list configuration setting defined, checking the list to match Group1/foobar
    Creating Group1-foobar
    Loading Group1-foobar table (254:1)
    Resuming Group1-foobar (254:1)
  /dev/mapper/Group1-foobar: open failed: Datei oder Verzeichnis nicht gefunden
    Clearing start of logical volume "foobar"
  /dev/Group1/foobar: not found: device not cleared
  Aborting. Failed to wipe start of new LV.
    Found volume group "Group1"
  Unable to deactivate open Group1-foobar (254:1)
  Unable to deactivate failed new LV. Manual intervention required.