This is differently out of date now that we have an extracted placement.
** Changed in: nova
Status: In Progress => Invalid
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https://bugs.launchpad.net/bugs/1778227
Title:
Docs needed for optional placement database
Status in OpenStack Compute (nova):
Invalid
Bug description:
Blueprint https://blueprints.launchpad.net/nova/+spec/optional-
placement-database added support for configuring a separate database
for the placement service so it's not just part of the nova_api
database (even though it's the same schema for now).
This is important for extracting placement from nova, and should be
part of a new base install so people don't have to migrate later.
There are at least two places we should update in the docs:
1. The install guide for fresh installs should tell people to create a
database for placement and configure nova.conf appropriately using the
new placement database config options.
Looking at the install guide, we have 3 different guides to update
(ubuntu, rdo, suse), but looks like:
a) https://docs.openstack.org/nova/latest/install/controller-install-
ubuntu.html#prerequisites - create a placement database using the
nova_api schema.
b) configure the placement db
https://docs.openstack.org/nova/latest/install/controller-install-
ubuntu.html#install-and-configure-components
I think that's it. "nova-manage api_db sync" will sync the placement
database and the nova_api database, so we should be good there.
2. Update the placement upgrade docs for Rocky to mention the new
config option and, at a high level, the options people have for
migrating from nova_api to placement db, e.g. stop api services, copy
the nova_api db, deploy placement db using the nova_api copy, config
and restart api services.
https://docs.openstack.org/nova/latest/user/placement.html#rocky-18-0-0
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