ORA-16656: Data Guard broker detected role change

ORA-16656: Data Guard broker detected role change
Cause: The Data Guard broker detected a role during database startup or health check.
Action: Additional information about this failure is recorded in the Data Guard broker log files, one for the primary database and one for each standby database in the Data Guard configuration. This information is helpful in determining how best to proceed from this failure.

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小智 2018-08-30 16:43

ORA-16656：Data Guard代理检测到角色更改,
.原因： Data Guard代理在数据库启动或运行状况检查期间检测到角色。,
.操作：有关此故障的其他信息记录在Data Guard代理日志文件中，一个用于主数据库，另一个用于Data Guard配置中的每个备用数据库。此信息有助于确定如何最好地从此故障进行。,
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ORA-16656: Data Guard broker detected role change

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