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From "Xiaoyu Yao (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-9843) Document distcp options required for copying between encrypted locations
Date Tue, 23 Feb 2016 00:37:18 GMT

     [ https://issues.apache.org/jira/browse/HDFS-9843?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Xiaoyu Yao updated HDFS-9843:
-----------------------------
    Status: Patch Available  (was: Open)

> Document distcp options required for copying between encrypted locations
> ------------------------------------------------------------------------
>
>                 Key: HDFS-9843
>                 URL: https://issues.apache.org/jira/browse/HDFS-9843
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: distcp, documentation, encryption
>    Affects Versions: 2.6.0
>            Reporter: Xiaoyu Yao
>            Assignee: Xiaoyu Yao
>         Attachments: HDFS-9843.00.patch
>
>
> In TransparentEncryption.md#Distcp_considerations document section, we have "Copying_between_encrypted_and_unencrypted_locations"
which requires -skipcrccheck and -update. 
> These options should be documented as required for "Copying between encrypted locations"
use cases as well because this involves decrypting source file and encrypting destination
file with a different EDEK, resulting in different checksum at the destination. Distcp will
fail at crc check if -skipcrccheck if not specified.
> This ticket is opened to document the required options for "Copying between encrypted
locations" use cases when using distcp with HDFS encryption. 



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