ORA-16649: possible failover to another database prevents this database from being opened

ORA-16649: possible failover to another database prevents this database from being opened
Cause: An attempt to open the primary database was made either after a failover occurred, or when it was likely to have occurred as the result of the primary being isolated from the fast-start failover target standby database and from the fast-start failover observer.
Action: Check if a failover did occur. If fast-start failover is enabled, and a failover did not occur, ensure that connectivity exists between the primary database and either the observer or the target standby database. Then, try opening the database again.

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小智 2018-08-30 16:43

ORA-16649：可能故障切换到另一个数据库会阻止打开此数据库,
.原因：尝试打开主数据库是在发生故障转移后发生的，或者由于主节点与快速启动故障转移目标备用数据库和快速启动故障转移观察器隔离而可能发生的尝试。,
.操作：检查是否发生了故障转移。如果启用了快速启动故障切换，并且未发生故障切换，请确保主数据库与观察器或目标备用数据库之间存在连接。然后，尝试再次打开数据库。,
.

aiaiDBA

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ORA-16649: possible failover to another database prevents this database from being opened

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