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From "Jeff Sposetti (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (AMBARI-13507) Ability to change host names for a stopped cluster
Date Thu, 29 Oct 2015 18:14:27 GMT

     [ https://issues.apache.org/jira/browse/AMBARI-13507?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jeff Sposetti updated AMBARI-13507:
-----------------------------------
    Summary: Ability to change host names for a stopped cluster  (was: Create a script to
change host names for a stopped cluster)

> Ability to change host names for a stopped cluster
> --------------------------------------------------
>
>                 Key: AMBARI-13507
>                 URL: https://issues.apache.org/jira/browse/AMBARI-13507
>             Project: Ambari
>          Issue Type: Task
>          Components: ambari-server
>    Affects Versions: 2.1.3
>            Reporter: Vitaly Brodetskyi
>            Assignee: Vitaly Brodetskyi
>            Priority: Critical
>             Fix For: 2.1.3
>
>         Attachments: AMBARI-13507.patch
>
>
> 1) If Kerberos security is enabled, please disable it using Ambari Web > Admin >
Kerberos > Disable Kerberos button.
> 2) Stop all pending commands/jobs.
> 3) Stop all services.
> 4) Backup Ambari db.
> 5) Stop ambari-server and all ambari-agents.
> 6) Create *.json file with host names changes. Example: host_names_changes.json
> {code}
> {
>   "cluster1" : {
>       "c6400.ambari.apache.org" : "c6410.ambari.apache.org",
>       "c6401.ambari.apache.org" : "c6411.ambari.apache.org"
>   }
>   ...................
>   ...................
> }
> {code}
> where:
> - *cluster1* is cluster name.
> - *"c6400.ambari.apache.org" : "c6410.ambari.apache.org"* are host names pair means (
"current_host_name" : "new_host_name" ).
> 7) Execute this command on the ambari-server host:
> {code}
> ambari-server update-host-names host_names_changes.json
> {code}
> 8) After successful end of this action, please update host names for all nodes, according
to changes that you added to *.json file.
> 9) If host name was changed for node with ambari-server, then you should update it for
every ambari-agent in /etc/ambari-agent/conf/ambari-agent.ini, field "hostname" for server.
> 10) Start ambari-server and all ambari-agents.
> 11) Start services.   



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