一、原题

二、解答

[root@master ~]# kubectl get node
NAME     STATUS   ROLES                  AGE   VERSION
master   Ready    control-plane,master   25h   v1.22.12
node1    Ready    worker                 25h   v1.22.12
node2    Ready    worker                 25h   v1.22.12
[root@master ~]# kubectl cordon master
node/master cordoned

[root@master ~]# kubectl drain master --delete-emptydir-data --ignore-daemonsets --force
node/master already cordoned
WARNING: ignoring DaemonSet-managed Pods: kube-system/calico-node-nlckp, kube-system/kube-proxy-rlw8p, kube-system/nodelocaldns-dqqhl, kubesphere-monitoring-system/node-export