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https://issues.apache.org/jira/browse/AMBARI-14499?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15071904#comment-15071904
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Sumit Mohanty commented on AMBARI-14499:
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[~vikashardia], https://issues.apache.org/jira/browse/AMBARI-13507 discusses
the solution/script to change the host names. The hosts table is not the only
place in the DB where host names are used. The script is for Ambari-2.2.0 but
it will give you an idea as to what all need to be changed for 2.1.2.1 as well.
Alternatively, you can use the ability in the agent to register with a
different hostname -
http://docs.hortonworks.com/HDPDocuments/Ambari-2.1.2.0/bk_ambari_reference_guide/content/_how_to_customize_the_name_of_a_host.html
> Wrong warning on ambari
> -----------------------
>
> Key: AMBARI-14499
> URL: https://issues.apache.org/jira/browse/AMBARI-14499
> Project: Ambari
> Issue Type: Bug
> Components: ambari-web
> Affects Versions: 2.1.2
> Environment: 4 node cluster
> Reporter: vikas hardia
> Priority: Critical
> Labels: features
>
> 1. I have 4 node cluster where i installed hdp 2.2 from ambari 2.1.2.1.
> 2. Initially i install services form hostname.abc.com hostnames.
> 3. Later i need to changed the hostname of all the host from hostname.xyz.com
> a. Changed in the databases hosts table.
> b. Updated agent configuration.
> c. Updated configuration of the hosts.
> 4. But still i am getting the warning on ambari for services are not working
> on hostname.abc.com:port (old hostname) but they are working on
> hostname.xyz.com:port (new hostname). Issue replicated
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