SQL1770N and Reason code = "4"

教程整理：风哥教程 | 更新时间：2022-02-12 | 教程分类：ITPUX技术网 | 文档学习：216

[db2inst1@dbhost_stb ] $ db2 takeover hadr on database hadrtest
SQL1770N Takeover HADR cannot complete. Reason code = “4”.

执行此命令的前提是：备库要先启动到standby状态.