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https://issues.apache.org/jira/browse/AMBARI-2278?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sumit Mohanty updated AMBARI-2278:
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Description:
Due to many reasons (e.g. prior installation/cleanup of Hadoop components) its
possible that some hosts may be in an inconsistent state (e.g. a Hadoop
component is installed but some directories are missing). If its explicitly
allowed by the user to erase and install Hadoop components then Ambari should
do it. This is especially critical
Ambari should provide an option to 1) clean-up the host before installing
Hadoop components 2) generate a report of what will be cleaned and present it
to the user
was:Due to many reasons (e.g. prior installation/cleanup of Hadoop
components) its possible that hosts may be in an inconsistent state (e.g. a
Hadoop component is installed but some directories are missing). If its OK for
the user to erase and install Hadoop components then Ambari should support it.
The Ambari feature is to clean up the host before installing Hadoop components.
> Ambari should provide an option to clean a host of existing installs and then
> re-install required components
> ------------------------------------------------------------------------------------------------------------
>
> Key: AMBARI-2278
> URL: https://issues.apache.org/jira/browse/AMBARI-2278
> Project: Ambari
> Issue Type: Bug
> Components: controller
> Affects Versions: 1.2.4
> Reporter: Sumit Mohanty
> Fix For: 1.2.5
>
>
> Due to many reasons (e.g. prior installation/cleanup of Hadoop components)
> its possible that some hosts may be in an inconsistent state (e.g. a Hadoop
> component is installed but some directories are missing). If its explicitly
> allowed by the user to erase and install Hadoop components then Ambari should
> do it. This is especially critical
> Ambari should provide an option to 1) clean-up the host before installing
> Hadoop components 2) generate a report of what will be cleaned and present it
> to the user
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