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https://issues.apache.org/jira/browse/HADOOP-8208?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13237945#comment-13237945
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Hadoop QA commented on HADOOP-8208:
-----------------------------------
-1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12519870/hdfs-3145.txt
against trunk revision .
+1 @author. The patch does not contain any @author tags.
+1 tests included. The patch appears to include 3 new or modified tests.
-1 patch. The patch command could not apply the patch.
Console output:
https://builds.apache.org/job/PreCommit-HADOOP-Build/775//console
This message is automatically generated.
> Disallow self failover
> ----------------------
>
> Key: HADOOP-8208
> URL: https://issues.apache.org/jira/browse/HADOOP-8208
> Project: Hadoop Common
> Issue Type: Bug
> Components: ha
> Reporter: Eli Collins
> Assignee: Eli Collins
> Attachments: hdfs-3145.txt
>
>
> It is currently possible for users to make a standby NameNode failover to
> itself and become active. We shouldn't allow this to happen in case operators
> mistype and miss the fact that there are now two active NNs.
> {noformat}
> bash-4.1$ hdfs haadmin -ns ha-nn-uri -failover nn2 nn2
> Failover from nn2 to nn2 successful
> {noformat}
> After the failover above, nn2 will be active.
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