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How can I revert to a clean undercloud in Red Hat Enterprise Linux Openstack Platform

Solution Verified - Updated 2018-09-13T06:52:41+00:00 -

Issue

Attempt to delete the stack using heat stack-delete <StackUUID> fails
Attempt to delete the nodes using ironic node-delete <UUID> fails
Attempting to delete the instances from nova using nova delete <UUID> fails.
How to re-deploy the undercloud
How to delete the undercloud
How to uninstall the undercloud
How to redeploy the undercloud

Environment

Red Hat Enterprise Linux 7.2
Red Hat Enterprise Linux Openstack Platform 7
Red Hat OpenStack Platform 8
Red Hat OpenStack Platform 9
Red Hat OpenStack Platform 10
Red Hat OpenStack Platform 12
Red Hat OpenStack Platform 13

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