root@ocp-db-02:~# patronictl -c /etc/patroni/patroni.yml list + Cluster: cluster_1 (7329905842172713072) --------+----+-----------+ | Member | Host | Role | State | TL | Lag in MB | +---------------+--------------+---------+---------+----+-----------+ | ocp-db-dev-01 | 10.30.11.118 | Replica | stopped | | unknown | | ocp-db-dev-02 | 10.30.11.119 | Replica | stopped | | unknown | | ocp-db-dev-03 | 10.30.11.120 | Replica | stopped | | unknown | +---------------+--------------+---------+---------+----+-----------+ root@ocp-db-02:~#
Remove cluster_1
root@ocp-db-02:~# patronictl -c /etc/patroni/patroni.yml remove cluster_1 + Cluster: cluster_1 (7329905842172713072) --------+----+-----------+ | Member | Host | Role | State | TL | Lag in MB | +---------------+--------------+---------+---------+----+-----------+ | ocp-db-dev-01 | 10.30.11.118 | Replica | stopped | | unknown | | ocp-db-dev-02 | 10.30.11.119 | Replica | stopped | | unknown | | ocp-db-dev-03 | 10.30.11.120 | Replica | stopped | | unknown | +---------------+--------------+---------+---------+----+-----------+ Please confirm the cluster name to remove: cluster_1 You are about to remove all information in DCS for cluster_1, please type: "Yes I am aware": Yes I am aware root@ocp-db-02:~# patronictl -c /etc/patroni/patroni.yml list + Cluster: cluster_1 (7329925063638867100) --------+----+-----------+ | Member | Host | Role | State | TL | Lag in MB | +---------------+--------------+---------+---------+----+-----------+ | ocp-db-dev-01 | 10.30.11.118 | Leader | running | 1 | | | ocp-db-dev-03 | 10.30.11.120 | Replica | stopped | | unknown | +---------------+--------------+---------+---------+----+-----------+ root@ocp-db-02:~#
Beberapa saat kemudian
root@ocp-db-02:~# patronictl -c /etc/patroni/patroni.yml list + Cluster: cluster_1 (7329925063638867100) ----------+----+-----------+ | Member | Host | Role | State | TL | Lag in MB | +---------------+--------------+---------+-----------+----+-----------+ | ocp-db-dev-01 | 10.30.11.118 | Leader | running | 1 | | | ocp-db-dev-02 | 10.30.11.119 | Replica | streaming | 1 | 0 | | ocp-db-dev-03 | 10.30.11.120 | Replica | streaming | 1 | 0 | +---------------+--------------+---------+-----------+----+-----------+ root@ocp-db-02:~#