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From "Eli Collins (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-3713) Disallow self-failover when auto failover is enabled
Date Tue, 24 Jul 2012 02:53:33 GMT
Eli Collins created HDFS-3713:
---------------------------------

             Summary: Disallow self-failover when auto failover is enabled
                 Key: HDFS-3713
                 URL: https://issues.apache.org/jira/browse/HDFS-3713
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: auto-failover
    Affects Versions: 2.0.0-alpha
            Reporter: Eli Collins
            Priority: Minor


When auto failover is enabled, the user can manually failover from a nameservice to itself.
When auto failover is disabled, there is a check that prevents failover from a nameservice
to itself, we should have the same check for auto failover.

{noformat}
bash-4.1$ hdfs haadmin -failover nn1 nn1
Failover to NameNode at brut01.sf.cloudera.com/172.22.35.149:17020 successful
bash-4.1$ hdfs haadmin -failover nn1 nn1
Failover to NameNode at brut01.sf.cloudera.com/172.22.35.149:17020 successful
bash-4.1$
{noformat}

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