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From Anoop Rajendra <>
Subject re-integrating name node
Date Fri, 09 May 2014 22:43:47 GMT

I have deployed HDP 2.1.2 with Ambari 1.5.1 on a small test cluster of 7 nodes.

The host that was running the namenode server had to undergo
maintenance today, and I need to redeploy the namenode software on
that system.

After the host came back I tried to install the namenode software
using the API, but I got the error,

ERROR: Namenode directory(s) is non empty. Will not format the
namenode. List of non-empty namenode dirs

I didn't want to erase the namenode directory in case I could use the
information on it.

Is this possible?


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