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From "Allen Wittenauer (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-2541) Online Snapshotting Capability
Date Tue, 08 Jan 2008 00:37:34 GMT
Online Snapshotting Capability
------------------------------

                 Key: HADOOP-2541
                 URL: https://issues.apache.org/jira/browse/HADOOP-2541
             Project: Hadoop
          Issue Type: Improvement
          Components: dfs
    Affects Versions: 0.15.1
            Reporter: Allen Wittenauer


Modern file systems have the ability to create snapshots of the running file system without
having to unmount.  HDFS should be offer similar capabilities to allow admins the ability
to perform "online" backups of the file system such that files can be recovered after deletions
or, for extra bonus points, catastrophic failures.

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