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https://issues.apache.org/jira/browse/AMBARI-10879?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jayush Luniya updated AMBARI-10879:
-----------------------------------
Priority: Critical (was: Major)
> If hostname used by agents is upper-case or mixed-case then upgrading to
> Ambari-2.0 may create issues
> -----------------------------------------------------------------------------------------------------
>
> Key: AMBARI-10879
> URL: https://issues.apache.org/jira/browse/AMBARI-10879
> Project: Ambari
> Issue Type: Task
> Components: ambari-agent, ambari-server
> Affects Versions: 2.0.0
> Reporter: Jayush Luniya
> Priority: Critical
> Fix For: 2.1.0
>
>
> As part of the Windows support, in 2.0. agent code converts hostnames to
> lowercase. If some hosts are registered with mixed-case hostnames then after
> upgrade the agents will not be recognized resulting in Hearbeat lost.
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