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docs: a couple of bits for the RL9 migration #764

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Nov 9, 2023
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docs: a couple of bits for the RL9 migration #764

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3 changes: 3 additions & 0 deletions doc/source/operations/rocky-linux-9.rst
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Expand Up @@ -98,6 +98,8 @@ suggestions:
* Check for unexpected ``ERROR`` or ``CRITICAL`` messages in Kibana/OpenSearch
Dashboard.
* Check Grafana dashboards.
* Disable Ansible fact caching for the duration of the migration, or remember
to clear hosts from the fact cache after they have been reprovisioned.

Migrate to OpenSearch
---------------------
Expand All @@ -108,6 +110,7 @@ Elasticsearch/Kibana should be migrated to OpenSearch.
docs <https://docs.openstack.org/kolla-ansible/yoga/reference/logging-and-monitoring/central-logging-guide-opensearch.html#migration>`__
- If necessary, take a backup of the Elasticsearch data.
- Ensure ``kolla_enable_elasticsearch`` is unset in ``etc/kayobe/kolla.yml``
- If you have a custom Kolla Ansible inventory, ensure that it contains the ``opensearch`` and ``opensearch-dashboards`` groups. Otherwise, sync with the inventory in Kayobe.
- Set ``kolla_enable_opensearch: true`` in ``etc/kayobe/kolla.yml``
- ``kayobe overcloud service configuration generate --node-config-dir '/tmp/ignore' --kolla-tags none``
- ``kayobe overcloud container image pull -kt opensearch``
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