mapreduce/src/contrib/raid/conf/raid.xml

   <configuration>
    <srcPath prefix="hdfs://dfs1.xxx.com:8000/user/dhruba/">
      <policy name = "dhruba">
        <property>
          <name>srcReplication</name>
          <value>3</value>
          <description> pick files for RAID only if their replication factor is
                        greater than or equal to this value.
          </description>
        </property>
        <property>
          <name>targetReplication</name>
          <value>2</value>
          <description> after RAIDing, decrease the replication factor of a file to 
                        this value.
          </description>
        </property>
        <property>
          <name>metaReplication</name>
          <value>2</value>
          <description> the replication factor of the RAID meta file
          </description>
        </property>
        <property>
          <name>modTimePeriod</name>
          <value>3600000</value>
          <description> time (milliseconds) after a file is modified to make it a
                        candidate for RAIDing
          </description>
        </property>
      </policy>
    </srcPath>
    <srcPath prefix="hdfs://dfs1.xxx.com:9000/warehouse/table1">
      <policy name = "table1">
        <property>
          <name>targetReplication</name>
          <value>1</value>
          <description> after RAIDing, decrease the replication factor of a file to 
                        this value.
          </description>
        </property>
        <property>
          <name>metaReplication</name>
          <value>2</value>
          <description> the replication factor of the RAID meta file
          </description>
        </property>
        <property>
          <name>modTimePeriod</name>
          <value>3600000</value>
          <description> time (milliseconds) after a file is modified to make it a
                        candidate for RAIDing
          </description>
        </property>
      </policy>
    </srcPath>
   </configuration>