'Deletes LUN on the Unity system.
:param lun_id: id of the LUN'

def delete_lun(self, lun_id):

    try:
        lun = self.system.get_lun(_id=lun_id)
        lun.delete()
    except storops_ex.UnityResourceNotFoundError:
        LOG.debug("LUN    %s    doesn't    exist.    Deletion    is    not    needed.", lun_id)
