openstack/tripleo-docs
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Merge "Clarify predictable ip behavior for deleted nodes"

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Jenkins 2017-09-11 17:05:56 +00:00 committed by Gerrit Code Review
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doc/source/install/advanced_deployment/node_placement.rst
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@ -132,6 +132,16 @@ The first Ceph node would have two addresses: 172.16.1.100 and 172.16.3.100. Th
second would have 172.16.1.101 and 172.16.3.101, and the third would have
172.16.1.102 and 172.16.3.102. The same pattern applies to the other node types.
.. important::
Even if an overcloud node is deleted, its entry in the IP lists should
*not* be removed. The IP list is based on the underlying Heat indices,
which do not change even if nodes are deleted. To indicate that a given
entry in the list is no longer used, the IP value can be replaced with a
value such as "DELETED" or "UNUSED".
In short, entries should never be removed from the IP lists, only changed
or added.
To apply this configuration during a deployment, pass the environment file to the
deploy command. For example, if you copied tripleo-heat-templates to ~/my-templates,
the extra parameter would look like::