Migrating a Rancher 2.1.x Single Node Installation to a High Availability Installation
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Rancher offers two installation methods, single node and high availability. Single node installations allow users to quickly deploy a working Rancher 2 installation suitable for short-term development or proof-of-concept purposes. High availability deployments are significantly better suited for long-lived deployments of Rancher. Important Notes Migration from Single Node to HA is not supported by Rancher Labs You should be familiar with the Rancher architecture/troubleshooting in the event that you have issues during this process Prerequisites In order to migrate a single node Rancher installation to a high availability installation, a few facts must be true.
https://rancher.com/blog/2019/2019-01-10-migrating-single-node-2-1-x-to-high-availability/
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