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From "Vitaly Brodetskyi (JIRA)" <>
Subject [jira] [Updated] (AMBARI-13507) Create a script to change host names for a stopped cluster
Date Sat, 24 Oct 2015 21:15:27 GMT


Vitaly Brodetskyi updated AMBARI-13507:
    Attachment:     (was: AMBARI-13507.patch)

> Create a script to change host names for a stopped cluster
> ----------------------------------------------------------
>                 Key: AMBARI-13507
>                 URL:
>             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
> At a high-level we may follow this approach:
> Ensure cluster is not kerberized
> Assume all services to be stopped (add a check to ensure that services are stopped)
> We may also need to check and confirm that there are no commands pending execution -
or just mark them as aborted
> Update all host names in the database based on the mapping provided (e.g. host1 -->
> As SQLClient cannot be assumed consider using jdbc - similar to the Upgrade code
> Modify all configs to replace the hostnames as needed (not sure if plain search and replace
will suffice)
> Agents need to be re-configured if ambari-server hostname changes

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