@classmethod
    @usage("list")
    def list(cls):
        for c in cls._available_connections():
            prefix = " * " if cls._is_default(c) else "   "
            print(prefix + c)
``BlockDeviceDeployer.calculate_changes`` recognizes a volume that is
dataset/ETHPy150Open Shopify/shopify_python_api/scripts/shopify_api.py/Tasks.list--crossover with--dataset/ETHPy150Open ClusterHQ/flocker/flocker/node/agents/test/test_blockdevice.py/BlockDeviceDeployerDetachCalculateChangesTests.test_detach_remote_volume_attached_to_dead_node_for_deletion