CMMVC5840EThe virtual disk (VDisk) was not deleted because it is mapped to a host or because it is part of a FlashCopy or Remote Copy mapping, or is involved in an image mode migrate.
Explanation
The virtual disk (VDisk) was not deleted because it is mapped to a host or because
it is part of a FlashCopy or Metro Mirror mapping.
Action
Specify a different VDisk, and resubmit the command.