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# k3s
a
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n
Yes, agent don't explicitly have roles
But also... don't run 2 server nodes, really bad idea
It isn't HA, the way quorum works for etcd is based on odd number of servers. So having 2 is just as good as having 1 server
s
don't run 2 server nodes, really bad idea
Unless you are running k3s with an external HA datastore (like MySQL or PostgreSQL)
w
Can the external HA datastore, e.g postgres be deployed in this k3s clutster or does i need to be a managed exteneral service/
s
It needs to be external to the K3s cluster. It must be available before you start the cluster. It must be up and available for the whole life of the cluster.