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Add notes about broken upgrades #877

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Oct 29, 2021
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10 changes: 10 additions & 0 deletions docs/source/admin_guide/upgrade.md
Original file line number Diff line number Diff line change
Expand Up @@ -50,3 +50,13 @@ qhub render -c qhub-config.yaml
(Note that `qhub deploy` would perform this render step too, but will also immediately redeploy your qhub.)

Commit all the files (qhub-config.yaml and GitHub/GitLab workflow files) back to the remote repo. All files need to be commited together in the same commit.

## Known versions that will require re-deployment
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For versions that are known to error when upgrading, the steps for upgrade include:

- Deploy a new QHub with the desired version
- Back up user data and restore to the new cluster by following [this guide](https://docs.qhub.dev/en/stable/source/admin_guide/backup.html)
- Destroy old cluster

Version `v0.3.11` on AWS has an error with the kubernetes config map. See [this discussion](https://github.com/Quansight/qhub/discussions/841) for more details.