Get ScaleIO SDC object by its id
        :param name: guid of SDC
        :return: ScaleIO SDC object
        :raise KeyError: No SDC with specified id found
        :rtype: SDC object

def get_sdc_by_guid(self, guid):
        """
        Get ScaleIO SDC object by its id
        :param name: guid of SDC
        :return: ScaleIO SDC object
        :raise KeyError: No SDC with specified id found
        :rtype: SDC object
        """
        for sdc in self.sdc:
            if sdc.guid == guid:
                return sdc
        raise KeyError("SDC with that GUID not found")