If you like to use a cloned volume with a volume group on it, then normally you will have a problem with the VG UUID and the VG Name. The good answer there is a nice solution for the problem and you can import and rename duplicated volume groups. To rename and generate a new UUID for the volume group on the volume use the program vgimportclone. After the successfully rename of the volume group activate it.
Removing lost physical volumes from a volume group If you get this crazy message and you are lucky that all data are on the other disk, then you can use this steps. Get the status of the physical volumes: Get the status of the volume groups: Get the status of the logical volumes and the devices: Now you can use the test option to try to remove the unknown device from the volume group: