搭建Hadoop分布式集群2（已验证成功）

    <configuration>
    <property>
        <name>dfs.namenode.secondary.http-address</name>
        <value>nn1:50090</value>
    </property>
    <property>
        <name>dfs.replication</name>
        <value>2</value>
    </property>
    <property>
        <name>dfs.namenode.name.dir</name>
        <value>file:/home/lihao/hdfs/name</value>
    </property>
    <property>
        <name>dfs.datanode.data.dir</name>
        <value>file:/home/lihao/hdfs/data</value>
    </property> 
    </configuration>