$ oc rsh -n openshift-etcd etcd-control-plane-0 Defaulting container name to etcdctl. Use 'oc describe pod/etcd-control-plane-0 -n openshift-etcd' to see all of the containers in this pod.
sh-4.2# etcdctl version etcdctl version: 3.3.18 API version: 3.3
# 登入節點 $ oc debug node/control-plane-0 Starting pod/control-plane-0-debug ... To use host binaries, run `chroot /host` Pod IP: 10.0.97.1 If you dont see a command prompt, try pressing enter. sh-4.2# chroot /host sh-4.4# ping 10.0.97.5 -c60 PING 10.0.97.5 (10.0.97.5) 56(84) bytes of data. 64 bytes from 10.0.97.5: icmp_seq=1 ttl=64 time=0.191 ms 64 bytes from 10.0.97.5: icmp_seq=2 ttl=64 time=0.151 ms 64 bytes from 10.0.97.5: icmp_seq=3 ttl=64 time=0.213 ms ...omit... 64 bytes from 10.0.97.5: icmp_seq=59 ttl=64 time=0.142 ms 64 bytes from 10.0.97.5: icmp_seq=60 ttl=64 time=0.204 ms
--- 10.0.97.5 ping statistics --- 60 packets transmitted, 60 received, 0% packet loss, time 59000ms rtt min/avg/max/mdev = 0.112/0.212/0.435/0.054 ms
Last login: Wed May 27 16:49:17 2020 from 10.0.97.100
# Backup [[email protected] ~]$ sudo -E /usr/local/bin/cluster-backup.sh ./assets/backup 385e44c057e47b6fe0b02d534dc4cb452056d33f9174271d1ecced45bc317e50 etcdctl version: 3.3.18 API version: 3.3 found latest kube-apiserver-pod: /etc/kubernetes/static-pod-resources/kube-apiserver-pod-131 found latest kube-controller-manager-pod: /etc/kubernetes/static-pod-resources/kube-controller-manager-pod-13 found latest kube-scheduler-pod: /etc/kubernetes/static-pod-resources/kube-scheduler-pod-17 found latest etcd-pod: /etc/kubernetes/static-pod-resources/etcd-pod-139 Snapshot saved at ./assets/backup/snapshot_2020-05-27_165016.db snapshot db and kube resources are successfully saved to ./assets/backup
# Check [[email protected] ~]$ cd ./assets/backup/ [[email protected] backup]$ ls snapshot_2020-05-27_165016.db static_kuberesources_2020-05-27_165016.tar.gz