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https://issues.apache.org/jira/browse/AMBARI-2776?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13725538#comment-13725538
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Jaimin D Jetly commented on AMBARI-2776:
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+1 for the patch.
> When a master component is in maintenance mode, the service health icon
> always shows a red blinking dot
> -------------------------------------------------------------------------------------------------------
>
> Key: AMBARI-2776
> URL: https://issues.apache.org/jira/browse/AMBARI-2776
> Project: Ambari
> Issue Type: Bug
> Components: client
> Affects Versions: 1.4.0
> Reporter: Yusaku Sako
> Assignee: Yusaku Sako
> Fix For: 1.4.0
>
> Attachments: AMBARI-2776.patch
>
>
> This happens when the SNN is put in maintenance mode for enabling NameNode HA.
> The two NNs are running, but SSN is in MAINTENANCE mode. The logic for
> computing the service health state chokes on MAINTENANCE mode and shows
> blinking red instead of ignoring the SNN state.
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