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https://issues.apache.org/jira/browse/HDFS-7960?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Colin Patrick McCabe updated HDFS-7960:
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Assignee: Colin Patrick McCabe (was: Lei (Eddy) Xu)
> NameNode should prune storages that are no longer existed on DataNode
> ---------------------------------------------------------------------
>
> Key: HDFS-7960
> URL: https://issues.apache.org/jira/browse/HDFS-7960
> Project: Hadoop HDFS
> Issue Type: Bug
> Affects Versions: 2.6.0
> Reporter: Lei (Eddy) Xu
> Assignee: Colin Patrick McCabe
>
> NameNode should be able to remove storages that is not represented on
> DataNode. For example, hot swapped on that DataNode or DN restarted with less
> data dirs. It seems that once a datanode storage is removed from a datanode,
> those blocks on the storage will not be reconciled as gone from the Namenode
> until the namenode has been restarted.
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