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From sandeep <sande...@huawei.com>
Subject Hadoop upgrade [Do we need to have same value for dfs.name.dir ] while upgrading
Date Thu, 16 Dec 2010 06:04:27 GMT


HI ,


I am trying to upgrade hadoop ,as part of this i have set Two environment


After this i have executed the following command %
NEW_HADOOP_INSTALL/bin/start-dfs -upgrade


But namenode didnot started as it was throwing Inconsistent state exception
as the dfs.name.dir is not present


Here My question is while upgrading do we need to have the same old
configurations like dfs.name.dir..etc


Or Do i need to format that namenode first and then start upgrading?


Please let me know





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