https://community.cloudera.com/t5/Support-Questions/DATANODE-Failed-to-replace-a-bad-datanode-on-the-existing/m-p/184154#M146301 <P>@Geoffrey yes I already removed it , and the error is exactly the same error as we already seen , </P> Sun, 15 Jul 2018 19:20:09 GMT mike_bronson7 2018-07-15T19:20:09Z