openstack
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charm-deployment-guide
Code Issues Proposed changes

Improve percona-cluster series upgrade steps 

Include links from the percona-cluster charm
README that were recently removed.

Change-Id: I2b5da593c0229b0543468ade31a6519d1bd9bace
This commit is contained in:
Peter Matulis 2020-12-16 13:42:53 -05:00
parent 7175f1e39b
commit e4c61407f6
2 changed files with 27 additions and 1 deletions
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3
deploy-guide/source/percona-series-upgrade-to-focal.rst
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@ -37,7 +37,7 @@ Procedure
^^^^^^^^^
* Leave all the percona-cluster machines on Bionic and upgrade the series of
the remaining machines in the cloud per this document.
the remaining machines in the cloud per the `Series upgrade OpenStack`_ page.
* Deploy a mysql-innodb-cluster on Focal.
@ -171,3 +171,4 @@ its probable hacluster subordinates) may be removed.
.. LINKS
.. _Zaza migration code: https://github.com/openstack-charmers/zaza-openstack-tests/blob/master/zaza/openstack/charm_tests/mysql/tests.py#L556
.. _Percona strict mode: https://www.percona.com/doc/percona-xtradb-cluster/LATEST/features/pxc-strict-mode.html
.. _Series upgrade OpenStack: upgrade-series-openstack.html

25
deploy-guide/source/upgrade-series-openstack.rst
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@ -182,6 +182,17 @@ have the series of its corresponding machines upgraded sequentially.
The example procedure will be based on the percona-cluster application.
.. warning::
The eoan series is the last series supported by the percona-cluster charm.
It is replaced by the `mysql-innodb-cluster`_ and `mysql-router`_ charms in the
focal series. The migration steps are documented in `percona-cluster charm
- series upgrade to focal`_.
Do not upgrade the machines hosting percona-cluster units to the focal
series. To be clear, if percona-cluster is containerised then it is the LXD
container that must not be upgraded.
.. important::
Unlike percona-cluster, the ceph-mon and rabbitmq-server applications do not
@ -231,6 +242,14 @@ machine 1/lxd/0 (the principal leader machine).
Permissions will need to be altered on the remote machine, and note that the
last command transfers **all** existing backups.
.. note::
These upstream resources may also be useful:
* `Upgrading Percona XtraDB Cluster`_
* `Percona XtraDB Cluster In-Place Upgrading Guide From 5.5 to 5.6`_
* `Galera replication - how to recover a PXC cluster`_
#. Set the default series for both the model and the principal application:
.. code-block:: none
@ -797,3 +816,9 @@ and test the series upgrade primitives:
.. _Series upgrade: upgrade-series.html
.. _Parallel tests: https://github.com/openstack-charmers/zaza-openstack-tests/blob/c492ecdcac3b2724833c347e978de97ea2e626d7/zaza/openstack/charm_tests/series_upgrade/parallel_tests.py#L64
.. _Upgrade helpers: https://github.com/openstack-charmers/zaza-openstack-tests/blob/9cec2efabe30fb0709bc098c48ec10bcb85cc9d4/zaza/openstack/utilities/parallel_series_upgrade.py
.. _Upgrading Percona XtraDB Cluster: https://www.percona.com/doc/percona-xtradb-cluster/LATEST/howtos/upgrade_guide.html
.. _Percona XtraDB Cluster In-Place Upgrading Guide From 5.5 to 5.6: https://www.percona.com/doc/percona-xtradb-cluster/5.6/upgrading_guide_55_56.html
.. _Galera replication - how to recover a PXC cluster: https://www.percona.com/blog/2014/09/01/galera-replication-how-to-recover-a-pxc-cluster
.. _mysql-innodb-cluster: https://jaas.ai/mysql-innodb-cluster
.. _mysql-router: https://jaas.ai/mysql-router
.. _percona-cluster charm - series upgrade to focal: percona-series-upgrade-to-focal.html