* Topics for rook issue * Problem of current rook restore * system backup will save CRD CephCluster status in etcd * after ceph admin's action, cluster status mis-match with backup etcd status * if restore etcd launch the backup cluster status which makes data corrupted * Proposal restore process for rook * osd disk should not erased * after restore, rebuild mon data with osd disk * should update CRD CephCluster fields with latest osd status * could create a new store for rook B&R Martin, Chen IOTG, Software Engineer 021-61164330