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Date: Wed, 2 Jul 2014 18:21:28 +0000 (UTC)
From: "Stephen Chu (JIRA)" <jira@apache.org>
To: hdfs-issues@hadoop.apache.org
Message-ID: <JIRA.12724887.1404281873057.89791.1404325288265@arcas>
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Subject: [jira] [Updated] (HDFS-6620) Snapshot docs should specify about
 preserve options with cp command
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     [ https://issues.apache.org/jira/browse/HDFS-6620?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Stephen Chu updated HDFS-6620:
------------------------------

    Status: Patch Available  (was: Open)

> Snapshot docs should specify about preserve options with cp command
> -------------------------------------------------------------------
>
>                 Key: HDFS-6620
>                 URL: https://issues.apache.org/jira/browse/HDFS-6620
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: namenode
>    Affects Versions: 3.0.0, 2.5.0
>            Reporter: Uma Maheswara Rao G
>            Assignee: Stephen Chu
>         Attachments: HDFS-6620.001.patch
>
>
> Currently snapshot docs contains the cp command details for copying the snapshot files to regular dfs tree.
> http://hadoop.apache.org/docs/r2.3.0/hadoop-project-dist/hadoop-hdfs/HdfsSnapshots.html#Snapshot_Paths
> Copying a file from snapshot s0:
> hdfs dfs -cp /foo/.snapshot/s0/bar /tmp
> Since there are important properties(acls, xattrs..etc) for a file may need to copy back. But looking at this doc may mislead to copy with out using any options. So, It may be worth mentioning aboit that properties. Infact it should copy all properties  by default from snapshot file. 


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