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From varun kumar <varun....@gmail.com>
Subject decommissioning datanodes
Date Tue, 12 Jun 2012 15:12:53 GMT
Hi All,

I want to remove nodes from my cluster *gracefully*. I added the following
lines to my hdfs-site.xml

<property>

    <name>dfs.hosts.exclude</name>
    <value>/opt/hadoop/conf/exclude</value>
</property>

In exclude file i have mentioned the hostname of the datanode.

Then I run 'hadoop dfsadmin -refreshNodes'

On the web interface the node now appear in both the 'Live Node' and
'Dead Node' (but there's nothing in the Decommissioning Node list).

What am I missing during the decommission process?


-- 
Regards,
Varun Kumar.P

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