[grid@hadoop1 hadoop-1.2.1]$ cat ./conf/mastershadoop2

配置NameNode节点、同步检查时间

[grid@hadoop1 hadoop-1.2.1]$ cat ./conf/core-site.xml
    
    
    
     
      
       fs.checkpoint.period
      
      
       20
      
      
       The number of seconds between two periodic checkpoints.
      
     
     
      
       fs.default.name
      
      
       hdfs://hadoop1:9000
      
     
     
      
       hadoop.tmp.dir
      
      
       /home/grid/hadoop-1.2.1/tmp
      
     
    

配置 dfs.http.address，如果不配置，secondary namenode同步文件夹永远为空

[grid@hadoop1 hadoop-1.2.1]$ cat ./conf/hdfs-site.xml
    
    
    
     
      
       dfs.http.address
      
      
       hadoop1:50070
       
      
      
       The address and the base port where the dfs namenode web ui will listen on.If the port is 0 then the server will start on a free port.
      
     
     
      
       dfs.replication
      
      
       2