etcd备份与恢复

查看etcd节点

sudo ETCDCTL_API=3 etcdctl --endpoints 127.0.0.1:2379   --cert=/etc/kubernetes/pki/etcd/server.crt   --key=/etc/kubernetes/pki/etcd/server.key   --cacert=/etc/kubernetes/pki/etcd/ca.crt   member list

备份

[owen@master01 etcd]$ sudo ETCDCTL_API=3 etcdctl --endpoints 127.0.0.1:2379 --cert=/etc/kubernetes/pki/etcd/server.crt --key=/etc/kubernetes/pki/etcd/server.key --cacert=/etc/kubernetes/pki/etcd/ca.crt snapshot save /data/backup/etcd_0816_bak.db
Snapshot saved at /data/backup/etcd_0816_bak.db

 

恢复

[owen@master01 etcd]$ sudo ETCDCTL_API=3 etcdctl --endpoints 127.0.0.1:2379 --cert=/etc/kubernetes/pki/etcd/server.crt --key=/etc/kubernetes/pki/etcd/server.key --cacert=/etc/kubernetes/pki/etcd/ca.crt snapshot restore /data/backup/etcd_0816_bak.db
2022-08-16 09:05:24.277884 I | mvcc: restore compact to 1030134
2022-08-16 09:05:24.314082 I | etcdserver/membership: added member 8e9e05c52164694d [http://localhost:2380] to cluster cdf818194e3a8c32
[owen@master01 etcd]$