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https://issues.apache.org/jira/browse/HDFS-6663?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14099018#comment-14099018
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Chen He commented on HDFS-6663:
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it can also shows how many expected, live, corrupted, decommission replicas for
a given blockId, also, if a replica is corrupted, it will show the datanode
with corruption reason.
> Admin command to track file and locations from block id
> -------------------------------------------------------
>
> Key: HDFS-6663
> URL: https://issues.apache.org/jira/browse/HDFS-6663
> Project: Hadoop HDFS
> Issue Type: New Feature
> Reporter: Kihwal Lee
> Assignee: Chen He
> Attachments: HDFS-6663-WIP.patch, HDFS-6663.patch
>
>
> A dfsadmin command that allows finding out the file and the locations given a
> block number will be very useful in debugging production issues. It may be
> possible to add this feature to Fsck, instead of creating a new command.
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