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https://issues.apache.org/jira/browse/HDFS-11589?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kihwal Lee resolved HDFS-11589.
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Resolution: Duplicate
> Unable to remove dead node after datanode decommission
> -------------------------------------------------------
>
> Key: HDFS-11589
> URL: https://issues.apache.org/jira/browse/HDFS-11589
> Project: Hadoop HDFS
> Issue Type: Improvement
> Affects Versions: 2.4.0
> Reporter: Chang Zong
>
> After successfully decommissioned a datanode, the state of that node in web
> ui(http://<NameNode_FQDN>:50070) is changed to "decommissioned". Then I
> stopped the datanode service in that host and the state is changed to "Dead",
> and the number of last contact keeps increasing. I tried to remove the
> hostname from the dfs.exclude and run "hdfs dfsadmin -refreshNodes" again,
> but that dead node is still there.
> Any way to solve that problem without restarting the whole cluster?
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