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How to migrate standalone k3s to existing External datastore backed K3s Cluster (multi-node) #4648
Description
Is your feature request related to a problem? Please describe.
This is not a feature request but just a question. If we have a k3s single node cluster running on a local datastore (default), how can we migrate to existing k3s multi-node cluster running with external datastore (e.g. MariaDB) without affecting the running workloads.
Describe the solution you'd like
When a k3s standalone node joins the existing cluster, the existing workloads should not be affected.
Describe alternatives you've considered
No alternative.
Activity
brandond commentedon Dec 7, 2021
We don't currently support migrating from one Kine sql backend to another, say from sqlite to mysql. We do support migrating from sqlite to etcd; all you need to do is start an existing standalone node with --cluster-init.