More Replication on dfs

[Puri, Aseem]

Hi

            I am a new Hadoop user. I have a small cluster with 3
Datanodes. In hadoop-site.xml values of dfs.replication property is 2
but then also it is replicating data on 3 machines.

 

Please tell why is it happening?

 

Regards,

Aseem Puri