# etcd ## HA Cluster ``` kops create cluster --name=kubernetes.newtech.academy --state=s3://kops-state-b429b --zones eu-west-1a,eu-west-1b,eu-west-1c --master-zones eu-west-1a,eu-west-1b,eu-west-1c --node-count=3 --node-size=t2.micro --master-size=t2.micro --dns-zone=kubernetes.newtech.academy ``` ## Test backup Create an object (wait 15 min after creating the object to make sure it the backup ran) ``` kubectl create configmap readme --from-file=README.md ``` ## List backups ``` kubectl exec -it etcd-main -n kube-system -- bash ./etcd-manager-ctl -backup-store=s3://kops-state-b429b/kubernetes.newtech.academy/backups/etcd/main/ list-backups
3个master的集群
list backup
restore backup
