def METHOD_NAME(self):
    """Returns True if all devices are present
    """
    try:
        node = self.get_node()
    except ex.Error as e:
        raise ex.Error("can't find cloud node to list volumes (%s)"%str(e))
    disks = self.cloud.driver._node_info(node.id)['disks']
    for disk in disks:
        if disk['name'] == self.name:
            return True
    return False