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From "Bharath Mundlapudi (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-1905) Improve the usability of namenode -format
Date Mon, 09 May 2011 22:41:03 GMT
Improve the usability of namenode -format 
------------------------------------------

                 Key: HDFS-1905
                 URL: https://issues.apache.org/jira/browse/HDFS-1905
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: name-node
    Affects Versions: 0.23.0
            Reporter: Bharath Mundlapudi
            Assignee: Bharath Mundlapudi
            Priority: Minor
             Fix For: 0.23.0


While setting up 0.23 version based cluster, i ran into this issue. When i issue a format
namenode command, which got changed in 23, it should let the user know to 

./hdfs namenode -format

I get the following error msg, still its not clear what and how user should use this command.

11/05/09 15:36:25 ERROR namenode.NameNode: java.lang.IllegalArgumentException: Format must
be provided with clusterid
	at org.apache.hadoop.hdfs.server.namenode.NameNode.format(NameNode.java:1483)
	at org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1623)
	at org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:1689)
 
The usability of this command can be improved.


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