``` bin/elasticsearch -E node.name=node1 -E cluster.name=ihi.im -E path.data=node1_data -d bin/elasticsearch -E node.name=node2 -E cluster.name=ihi.im -E path.data=node1_data -d bin/elasticsearch -E node.name=node3 -E cluster.name=ihi.im -E path.data=node1_data -d ```