物理DG主備庫切換時遇到ORA-16139: media recovery required錯誤

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在物理DG主備庫切換時遇到ORA-16139: media recovery required錯誤

SQL> ALTER DATABASE COMMIT TO SWITCHOVER TO PRIMARY;

ALTER DATABASE COMMIT TO SWITCHOVER TO PRIMARY

*

ERROR at line 1:

ORA-16139: media recovery required

解決辦法:

--如果報ORA-16139: media recovery required,可能是由於未應用日誌引起,可先執行

ALTER  DATABASE RECOVER MANAGED STANDBY  DATABASE DISCONNECT FROM SESSION;

然後再執行該命令

相關參考:

Oracle Data Guard 重要配置參數

基於同一主機配置 Oracle 11g Data Guard

探索Oracle之11g DataGuard

Oracle Data Guard (RAC+DG) 歸檔刪除策略及指令碼

Oracle Data Guard 的角色轉換

Oracle Data Guard的日誌FAL gap問題

Oracle 11g Data Guard Error 16143 Heartbeat failed to connect to standby 處理方法

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