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From "Tsz Wo (Nicholas), SZE (JIRA)" <j...@apache.org>
Subject [jira] Issue Comment Edited: (HADOOP-3913) Distcp allows copy even if directory permissions are 000.
Date Mon, 18 Aug 2008 21:35:44 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-3913?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12623468#action_12623468
] 

szetszwo edited comment on HADOOP-3913 at 8/18/08 2:34 PM:
-------------------------------------------------------------------------

Just want to clarify that a non-superuser is not allowed to access a directory with 000 permissions
in HDFS, even the user is the owner of the directory.

Documentation about this can be found in the "The Super-User" section in "Permissions User
and Administrator Guide", http://hadoop.apache.org/core/docs/current/hdfs_permissions_guide.html#The+Super-User

      was (Author: szetszwo):
    Just want to clarify that if a non-superuser is not allowed to access a directory with
000 permissions in HDFS, even the user is the owner of the directory.

Documentation about this can be found in the "The Super-User" section in "Permissions User
and Administrator Guide", http://hadoop.apache.org/core/docs/current/hdfs_permissions_guide.html#The+Super-User
  
> Distcp allows copy even if directory permissions are 000.
> ---------------------------------------------------------
>
>                 Key: HADOOP-3913
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3913
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: tools/distcp
>    Affects Versions: 0.18.0
>            Reporter: Suman Sehgal
>
> distcp initiated from 0.17.0 and 0.18.0 permissions turned ON, directory with permission
000, data gets copied from
> 0.18.0 to 0.17.0 
> Data gets copied between different versions of hadoop when tried by the same user. It
gets failed only if other
> user(other than the user who started cluster) tries to copy data using distcp.

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