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From "Allen Wittenauer (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-7537) dfs.namenode.replication.min > 1 && missing replicas && NN restart is confusing
Date Tue, 16 Dec 2014 22:15:14 GMT
Allen Wittenauer created HDFS-7537:
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             Summary: dfs.namenode.replication.min > 1 && missing replicas &&
NN restart is confusing
                 Key: HDFS-7537
                 URL: https://issues.apache.org/jira/browse/HDFS-7537
             Project: Hadoop HDFS
          Issue Type: Improvement
            Reporter: Allen Wittenauer


If minimum replication is set to 2 or higher and some of those replicas are missing and the
namenode restarts, it isn't always obvious that the missing replicas are the reason why the
namenode isn't leaving safemode.  We should improving the output of fsck and the web UI to
make it obvious that the missing blocks are from unmet replicas vs. completely/totally missing.



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