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- This documents expects that your cloud is deployed with a recent ussuri tag of the ntnuopenstack repository.
- You have a recent mysql backup in case things go south.
- If you want to do a rolling upgrade, the following key should be set in hiera long enough in advance that all hosts have had an puppet-run to apply it:
nova::upgrade_level_compute: 'trainussuri'
- When the upgrade is finished - set this key to 'ussurivictoria'
The recommended order to upgrade the services are listed below:
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