_lunDao.update(lun.getId(), lun);
//create lun mapping
//now map the lun to the igroup
NaElement xi3 = new NaElement("lun-map");
xi3.addNewChild("force", "true");
xi3.addNewChild("initiator-group", lunName.toString());
xi3.addNewChild("path", lun.getPath() + lun.getLunName());
xi3.addNewChild("lun-id", lunIdStr);
s.invokeElem(xi3);