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# rke2
a
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b
Have you checked communication between nodes over ports 2379 and 2380, https://docs.rke2.io/install/requirements ?
r
@blue-planet-23617 Thank you for your response. Yes I checked the connection between the nodes.
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nc -zv 172.20.1.10 2379
Connection to 172.20.1.10 2379 port [tcp/*] succeeded!
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nc -zv 172.20.1.10 2380
Connection to 172.20.1.10 2380 port [tcp/*] succeeded!
This are the logs on the second master node.
After installing
apparmor-utils
on Ubuntu 22.04, the error no longer appears. The process took about 30 minutes for all nodes to become ready. Is this setup duration typical, or should the cluster spin-up process be completed more quickly?