修改namenode上的hdfs-site.xml
configuration> <property> <name>dfs.replication</name> <value>2</value> </property> <property> <name>dfs.http.address</name> <value>www.node1.com:50070</value> </property> <property> <name>dfs.secondary.http.address</name> <value>www.node2.com:50090</value> </property> </configuration