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From "Vinithra Varadharajan (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (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 22:49:18 GMT
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:
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.

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