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https://issues.apache.org/jira/browse/AMBARI-15830?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dmytro Grinenko updated AMBARI-15830:
-------------------------------------
Status: Patch Available (was: Open)
> Atlas Upgrade Check
> -------------------
>
> Key: AMBARI-15830
> URL: https://issues.apache.org/jira/browse/AMBARI-15830
> Project: Ambari
> Issue Type: Bug
> Components: ambari-server
> Affects Versions: 2.4.0
> Reporter: Dmytro Grinenko
> Fix For: 2.4.0
>
> Attachments: AMBARI-15830.patch
>
>
> Atlas for HDP 2.5 will need to be a new install. Atlas does not support
> upgrade (rolling upgrade or otherwise) from prior versions. It is only from
> HDP 2.5 on that Atlas support express and rolling upgrades.
> Because of this, it is necessary to have a pre upgrade check in Ambari that
> handles this case by asking the user to uninstall Atlas prior to upgrade.
> After the cluster has been upgraded, Atlas can be added to the cluster using
> the Ambari add service mechanism. This will result in a clean/new install of
> Atlas that will from this point on support rolling and express upgrades.
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