Ajay Kumar created HDFS-12420:
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Summary: Improve error message on Namenode format
Key: HDFS-12420
URL: https://issues.apache.org/jira/browse/HDFS-12420
Project: Hadoop HDFS
Issue Type: Improvement
Reporter: Ajay Kumar
While Formatting NameNode user should be informed that this will result in
complete loss of data. In addition to current message we should display:
"This will result in complete loss of all cluster data."
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