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34 lines
828 B
Markdown
34 lines
828 B
Markdown
# Drain a K8S cluster node
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1. mark the node as unschedulable (_cordon_):
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```sh
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$ kubectl cordon kworker-rj2
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node/kworker-rj2 cordoned
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```
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1. remove pods running on the node:
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```sh
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$ kubectl drain kworker-rj2 --grace-period=300 --ignore-daemonsets=true
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node/kworker-rj2 already cordoned
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WARNING: ignoring DaemonSet-managed Pods: kube-system/calico-node-fl8dl, kube-system/kube-proxy-95vdf
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evicting pod default/my-dep-557548758d-d2pmd
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pod/my-dep-557548758d-d2pmd evicted
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node/kworker-rj2 evicted
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```
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1. do to the node what you need to do
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1. make the node available again:
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```sh
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$ kubectl uncordon kworker-rj2
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node/kworker-rj2 uncordoned
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```
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## Sources
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- [How to drain a node in Kubernetes]
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[how to drain a node in kubernetes]: https://linuxhandbook.com/kubectl-drain-node/
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