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From "Chris Nauroth (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-7120) When aborting NameNode or JournalNode due to metadata file problems, write the contents of the metadata directories and permissions to logs.
Date Mon, 22 Sep 2014 21:45:33 GMT

     [ https://issues.apache.org/jira/browse/HDFS-7120?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Chris Nauroth updated HDFS-7120:
--------------------------------
    Issue Type: Sub-task  (was: Improvement)
        Parent: HDFS-6185

> When aborting NameNode or JournalNode due to metadata file problems, write the contents
of the metadata directories and permissions to logs.
> --------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-7120
>                 URL: https://issues.apache.org/jira/browse/HDFS-7120
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: journal-node, namenode
>            Reporter: Chris Nauroth
>            Assignee: Chris Nauroth
>
> If the NameNode or JournalNode aborts due to an unexpected error in the metadata directories,
often the root cause is that the metadata files are in an unexpected state, or permissions
are broken on the directories.  This issue proposes that during abort, we write additional
information about the directory state and permissions to the logs.  This can help speed up
diagnosis, and ultimately recovery.



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