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From "dhruba borthakur (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (HADOOP-2541) Online Snapshotting Capability
Date Wed, 25 Jun 2008 00:27:45 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-2541?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

dhruba borthakur resolved HADOOP-2541.
--------------------------------------

    Resolution: Duplicate

I missed this earlier. Closing this as this is a duplicate of HADOOP-3637

> Online Snapshotting Capability
> ------------------------------
>
>                 Key: HADOOP-2541
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2541
>             Project: Hadoop Core
>          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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