ORA-29740：evicted by instance number string, group incarnation string
错误码
错误描述：evicted by instance number string, group incarnation string
错误原因：This instance was evicted from the group by another instance of the cluster database group for one of several reasons, which may include a communications error in the cluster and failure to issue a heartbeat to the control file.
解决方法：Check the trace files of other active instances in the cluster group for indications of errors that caused a reconfiguration.
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