ClickHouse/tests/integration/test_cluster_all_replicas/configs/remote_servers.xml

<clickhouse>
    <remote_servers>
        <one_shard_two_nodes>
            <shard>
                <replica>
                    <host>node1</host>
                    <port>9000</port>
                </replica>
                <replica>
                    <host>node2</host>
                    <port>9000</port>
                </replica>
            </shard>
        </one_shard_two_nodes>
        <one_shard_three_nodes>
            <shard>
                <replica>
                    <host>node1</host>
                    <port>9000</port>
                </replica>
                <replica>
                    <host>node2</host>
                    <port>9000</port>
                </replica>
                <replica>
                    <host>node3</host>
                    <port>9000</port>
                </replica>
            </shard>
        </one_shard_three_nodes>
        <two_shards_three_nodes>
            <shard>
                <replica>
                    <host>node1</host>
                    <port>9000</port>
                </replica>
                <replica>
                    <host>node2</host>
                    <port>9000</port>
                </replica>
                <replica>
                    <host>node3</host>
                    <port>9000</port>
                </replica>
            </shard>
            <shard>
                <replica>
                    <host>node4</host>
                    <port>9000</port>
                </replica>
                <replica>
                    <host>node5</host>
                    <port>9000</port>
                </replica>
                <replica>
                    <host>node6</host>
                    <port>9000</port>
                </replica>
            </shard>
        </two_shards_three_nodes>
    </remote_servers>
</clickhouse>