kjuulh/terraform-hcloud-kube-hetzner
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tweaked readme

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Karim Naufal 2022-02-10 03:50:54 +01:00
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README.md
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@ -93,9 +93,9 @@ When the cluster is up and running, you can do whatever you wish with it! 🎉
You can scale the number of nodes up and down without any issues. If you are going to scale down, just make sure to properly `kubectl drain` the nodes in question first. Then just edit these variables in `terraform.tfvars` and re-apply terraform with `terraform apply -auto-approve`. You can scale the number of nodes up and down without any issues. If you are going to scale down, just make sure to properly `kubectl drain` the nodes in question first. Then just edit these variables in `terraform.tfvars` and re-apply terraform with `terraform apply -auto-approve`.
**If you want to remain HA, it's important to keep a number of control planes of at least 3, see [Rancher's doc on HA](https://rancher.com/docs/k3s/latest/en/installation/ha-embedded/).** **If you want to be HA, it's important to keep a number of control planes nodes of at least 3 (2 to maintain quorum when 1 goes down for automated upgrades and reboot for instance), see [Rancher's doc on HA](https://rancher.com/docs/k3s/latest/en/installation/ha-embedded/).**
Otherwise, you may want to turn off automated updates and reboots of the control-plane nodes (2 or less), and do these maintenance manually. Otherwise, it's important to turn off automatic updates and reboots for the control-plane nodes (2 or less), and do the maintenance yourself.
For instance: For instance: