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Posted to hdfs-dev@hadoop.apache.org by "Brandon Li (JIRA)" <ji...@apache.org> on 2014/01/04 00:07:50 UTC

[jira] [Resolved] (HDFS-5712) ViewFS should check the existence of the mapped namespace directories in the mount table

     [ https://issues.apache.org/jira/browse/HDFS-5712?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Brandon Li resolved HDFS-5712.
------------------------------

    Resolution: Invalid

> ViewFS should check the existence of the mapped namespace directories in the mount table
> ----------------------------------------------------------------------------------------
>
>                 Key: HDFS-5712
>                 URL: https://issues.apache.org/jira/browse/HDFS-5712
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: federation
>    Affects Versions: 3.0.0
>            Reporter: Brandon Li
>
> ViewFS doesn't validate the mount table mapping. Even the mapped directory on NameNode doesn't exist, list directories or "dfs -ls"  command can still show the mapped directory.
> This confuses users and applications when they try to create files under the mapped directories. They will get file-not-exist error but viewfs shows the directory exists.
> It would be less misleading if ViewFS can validate the  mount table and report found errors.



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