PhysicalPath
if ((*curCase)->PhysicalPath() != physPath)
m_vdevPhysPath = vd.PhysicalPath();
if (PhysicalPath().empty()) {
if (physPath != PhysicalPath()) {
VdevGUIDString().c_str(), PhysicalPath().c_str());
m_vdevPhysPath(vdev.PhysicalPath()),
const string &PhysicalPath() const;
MOCK_CONST_METHOD0(PhysicalPath, string());
virtual std::string PhysicalPath() const;
bool havePhysPath(PhysicalPath(physPath));
bool PhysicalPath(std::string &path) const;