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From "Vinay (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-3507) DFS#isInSafeNode needs to execute only on Active NameNode
Date Tue, 05 Jun 2012 13:05:23 GMT
Vinay created HDFS-3507:

             Summary: DFS#isInSafeNode needs to execute only on Active NameNode
                 Key: HDFS-3507
                 URL: https://issues.apache.org/jira/browse/HDFS-3507
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: ha
    Affects Versions: 2.0.1-alpha, 3.0.0
            Reporter: Vinay

Currently DFS#isInSafeMode is not Checking for the NN state. It can be executed on any of
the NNs.

But HBase will use this API to check for the NN safemode before starting up its service.

If first NN configured is in standby then DFS#isInSafeMode will check standby NNs safemode
but hbase want state of Active NN.

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