红帽全球峰会1.7. Migrating from a previous version
1.7.1. Migrating from 1.0 to 2.0
Upgrade from version 1.0 of Red Hat Advanced Cluster Management to version 2.0 is not supported. To migrate from the technology preview version of Red Hat Advanced Cluster Management for Kubernetes 1.0 to the generally available version 2.0, you must manually remove version 1.0 and install version 2.0. Complete the following steps to migrate from version 1.0 to version 2.0:
- Detach each of your managed clusters from your Red Hat Advanced Cluster Management hub cluster before unistalling the hub cluster. See Removing a cluster from management for instructions that explain how to remove the managed clusters.
- Uninstall Red Hat Advanced Cluster Management version 1.0 by completing the procedure in Uninstalling.
Install Red Hat Advanced Cluster Management version 2.0 by completing the procedure in Installing while connected online.
When you install version 2.0, select automatic upgrade to enable automatic upgrades for future versions within the same major release. If you prefer to run manual updates, you can select manual upgrade. See the following definitions of the options:
- Automatic upgrade: If you select automatic upgrades when you install the Red Hat Advanced Cluster Management operator, the Operator Lifecycle Manager automatically upgrades the version when a compatible upgrade is available. This method ensures that you always have the latest version of the operator with the latest fixes.
Manual upgrade: If you select manual upgrades when you install the Red Hat Advanced Cluster Management operator, the cluster administrator determines when an upgrade occurs.
When a compatible upgrade is available, the Operator Lifecycle Manager creates a request to upgrade. A cluster administrator must approve the request to upgrade the version.
- Import the clusters to the version 2.0 hub cluster by completing the procedure in Importing a target managed cluster to the hub cluster.
For more information about upgrading your operator, see Adding operators to a cluster.
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