Blame docs/operations/decommission.md

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# Infra/node decommissioning
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## High overview
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This is an overview of the needed tasks to perform when we want to remove a node from our infra : 
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  * Delete/reinstall the (virtual) machine (cleaning up)
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    * If hosted within Red Hat DC, update [internal ip inventory](https://docs.google.com/spreadsheets/d/1K-aewLJ17z3pRC6K5qyBRJYtNXy1WcxRSVwPkGf4NXQ) (Obviously need RH SSO and permission)
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  * Remove from [DNS](/infra/dns/) (public of internal, depending on the case)
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  * Remove it from Ansible inventory (and search for references for that node in case of)
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  * Remove it from Zabbix monitoring
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