Upgrade
Here we cover how to upgrade to latest Longhorn from all previous releases.
There are normally two steps in the upgrade process: first upgrade Longhorn manager to the latest version, then upgrade the Longhorn engine to the latest version using the latest Longhorn manager.
After Longhorn Manager is upgraded, Longhorn Engine also needs to be upgraded using the Longhorn UI.
Visit Some old instance manager pods are still running after upgrade for more information about the cleanup strategy of instance manager pods during upgrade.
If you have any issues, please report it at https://github.com/longhorn/longhorn/issues and include your backup yaml files as well as manager logs.
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