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From "Aaron T. Myers (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-3275) Format command overwrites contents of non-empty shared edits dir if name dirs are empty without any prompting
Date Fri, 13 Apr 2012 22:53:18 GMT

     [ https://issues.apache.org/jira/browse/HDFS-3275?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Aaron T. Myers updated HDFS-3275:
---------------------------------

    Description: 
To reproduce:
# Configure a NameNode with namedirs and a shared edits dir, all of which are empty.
# Run hdfs namenode -format. Namedirs and shared edits dir gets populated.
# Delete the contents of the namedirs. Leave the shared edits dir as is. Check the timestamps
of the shared edits dir contents.
# Run format again. The namedirs as well as the shared edits dir get formatted. The shared
edits dir's contents have been replaced without any prompting.

  was:
To reproduce:
1) Configure a NameNode with namedirs and a shared edits dir, all of which are empty.
2) Run hdfs namenode -format. Namedirs and shared edits dir gets populated.
2) Delete the contents of the namedirs. Leave the shared edits dir as is. Check the timestamps
of the shared edits dir contents.
3) Run format again. The namedirs as well as the shared edits dir get formatted. The shared
edits dir's contents have been replaced without any prompting.


Updating the numbering of the steps. (The original numbering had two step 2's.)
                
> Format command overwrites contents of non-empty shared edits dir if name dirs are empty
without any prompting
> -------------------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-3275
>                 URL: https://issues.apache.org/jira/browse/HDFS-3275
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: ha, name-node
>    Affects Versions: 2.0.0
>            Reporter: Vinithra Varadharajan
>
> To reproduce:
> # Configure a NameNode with namedirs and a shared edits dir, all of which are empty.
> # Run hdfs namenode -format. Namedirs and shared edits dir gets populated.
> # Delete the contents of the namedirs. Leave the shared edits dir as is. Check the timestamps
of the shared edits dir contents.
> # Run format again. The namedirs as well as the shared edits dir get formatted. The shared
edits dir's contents have been replaced without any prompting.

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