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From "Ravi Prakash (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-3321) 1 datanode more than dfs.namenode.safemode.min.datanodes is required to come out of safemode.
Date Wed, 25 Apr 2012 13:54:19 GMT
Ravi Prakash created HDFS-3321:
----------------------------------

             Summary: 1 datanode more than dfs.namenode.safemode.min.datanodes is required
to come out of safemode.
                 Key: HDFS-3321
                 URL: https://issues.apache.org/jira/browse/HDFS-3321
             Project: Hadoop HDFS
          Issue Type: Bug
    Affects Versions: 0.23.1
            Reporter: Ravi Prakash


Courtesy Andreina,

{quote}
When "dfs.namenode.safemode.min.datanodes" is configured to n
So namenode will be in safemode until n DN are registered with the namenode .
But in UI it displays that n+1 datanodes are additionally needed. And "safe mode will be turned
off automatically " message is also displayed .
==========
"dfs.namenode.safemode.min.datanodes" =2
Started the NN
The UI report displays that
 
"Safe mode is on.The number of live datanodes 0 needs additional 3 live inimum number 2. Safe
mode will turned off automatically".
{quote}


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