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From "Eli Collins (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HDFS-3713) Disallow self-failover when auto failover is enabled
Date Thu, 23 Aug 2012 22:40:42 GMT

     [ https://issues.apache.org/jira/browse/HDFS-3713?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Eli Collins resolved HDFS-3713.
-------------------------------

    Resolution: Duplicate
    
> 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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