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Got error NameNode is not formatted, but no option to format the name node

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"Version: Cloudera Enterprise Data Hub Edition Trial 5.11.0 (#101 built by jenkins on 20170412-1249 git: 70cb1442626406432a6e7af5bdf206a384ca3f98)" 


Failed to start Name Server for HDFS. with the following error " NameNode is not formatted." 


2017-07-03 00:14:56,117 ERROR org.apache.hadoop.hdfs.server.namenode.NameNode: Failed to start namenode. NameNode is not formatted.
at org.apache.hadoop.hdfs.server.namenode.FSImage.recoverTransitionRead(
at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.loadFSImage(
at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.loadFromDisk(
at org.apache.hadoop.hdfs.server.namenode.NameNode.loadNamesystem(
at org.apache.hadoop.hdfs.server.namenode.NameNode.initialize(
at org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(
at org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(
at org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(
at org.apache.hadoop.hdfs.server.namenode.NameNode.main(


Try to follow "" to format the name node directory. but there is no such action in the action menu for the selected Name node instance. 



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