Ok, problem indeed with permission.  /DFS ==>  root /dfs/dn01 ==> root  ==============  Correct permission:   Solution::    /dfs ==> cloudera-scm:cloudera-scm /dfs/dn01 ==> hdfs:hdfs chown cloudera-scm:cloudera-scm dfs cd /dfs chown hdfs:hdfs dn01 ... View more