openstack/nova
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docs: Explicitly state lack of support for node renaming

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Nova does not support renaming a node once it has been deployed.
Previously, this was not mentioned anywhere in our docs. This patches
adds a warning to that effect to the installation guide.

Change-Id: I0f34c89855069119974d75d31833b974ba705306
This commit is contained in:
Artom Lifshitz 2021-06-09 13:38:18 -04:00
parent d64edd3da2
commit 7a0b2d3482
1 changed files with 8 additions and 0 deletions
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8
doc/source/install/overview.rst
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@ -48,6 +48,14 @@ Object Storage require additional nodes.
or how to determine which architecture is required, see the `Architecture
Design Guide <https://docs.openstack.org/arch-design/>`_.
.. warning::
Once a cloud has been deployed, changing the host name of *any* node in the
deployment is not supported. In some cases, it may be possible to remove a
node from the deployment, and add it again under a different host name.
Renaming a node in situ will result in problems that will require multiple
manual fixes.
This example architecture differs from a minimal production architecture as
follows: