由于测试环境打19c补丁失败,导致节点2 d2 crs无法启动!打补丁没有有效备份,亲人两行泪 先删再加节点. 一.删除节点 1.1 删除实例 参考 https://www.cnblogs.com/binliubiao/p/11996092.html Deleting a Cluster Node on Linux and UNIX Systems https://docs.oracle.com/en/database/oracle/oracle-database/19/cwadd/addin…