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Date: Wed, 16 Jul 2014 19:24:06 +0000 (UTC)
From: "Kihwal Lee (JIRA)" <jira@apache.org>
To: hdfs-issues@hadoop.apache.org
Message-ID: <JIRA.12727753.1405538544350.56545.1405538646935@arcas>
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Subject: [jira] [Created] (HDFS-6696) Name node cannot start if the path of
 a file under construction contains ".snapshot"
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Kihwal Lee created HDFS-6696:
--------------------------------

             Summary: Name node cannot start if the path of a file under construction contains ".snapshot"
                 Key: HDFS-6696
                 URL: https://issues.apache.org/jira/browse/HDFS-6696
             Project: Hadoop HDFS
          Issue Type: Bug
            Reporter: Kihwal Lee
            Priority: Blocker


Using {{-renameReserved}} to rename ".snapshot" in a pre-hdfs-snapshot feature fsimage during upgrade only works, if there is nothing under construction under the renamed directory.  I am not sure whether it takes care of edits containing ".snapshot" properly.

The workaround is to identify these directories and rename, then do {{saveNamespace}} before performing upgrade.


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