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