备节点： [omm@opengauss01 ~]$ gs_ctl query -D /opt/huawei/install/data/dn01 [2022-09-29 09:45:08.042][50178][][gs_ctl]: gs_ctl query ,datadir is /opt/huawei/install/data/dn01 HA state: local_role : Standby static_connections : 0 db_state : Need repair detail_information : could not receive data from server, error: Connection reset by peer, remote datanode: (null) sync_mode : Async Senders info: No information Receiver info: No information 在主节点查询status，结果如下： [ Cluster State ] cluster_state : Unavailable redistributing : No current_az : AZ_ALL [ Datanode State ] node node_ip port instance state ---------------------------------------------------------------------------------------------------- 1 opengauss02 192.168.1.123 26000 6001 /opt/huawei/install/data/dn01 P Normal Normal 2 opengauss01 192.168.1.122 26000 6002 /opt/huawei/install/data/dn01 S Standby Need repair(could) 需要后续提供什么资料，尽管说话。我们是在opengauss3.0上操作，一主一备，实体机两台，CentOS 7.7 内存和CPU都足够 Kun(Winston) Hou, Database and Computer engineering Professional. WechatID: beyondfalcon_