specified target volume does not contain a GPT
Facility: EFI$CP, The OpenVMS EFI Partition Control Program
Explanation: The specified target volume does not contain the
structures associated with an OpenVMS GPT.
User Action: The command or request cannot operate as requested.
If the target volume contains GPT structures, then the volume is
apparently corrupted. If the target volume does not contain GPT
structures, then the command cannot operate as requested.