RMAN-20501: redo logs from parent database incarnation cannot be applied

RMAN-20501: redo logs from parent database incarnation cannot be applied
Cause: A RESTORE or RECOVER of a datafile was requested, but recovery of the datafile would require applying redo logs that were generated before the most recent OPEN RESETLOGS.
Action: If a full backup or datafile copy from the current database incarnation exists, ensure that it is marked AVAILABLE, and that a channel of the correct device type is allocated. It may also be necessary to remove the FROM BACKUPSET or FROM DATAFILECOPY or FROM TAG operands if these have been specified.

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小智
RMAN-20501:无法应用来自父数据库化身的重做日志,
.原因:请求了数据文件的RESTORE或RECOVER,但是恢复数据文件需要应用在最近的OPEN RESETLOGS之前生成的重做日志。,
.操作:如果存在来自当前数据库的完整备份或数据文件副本,请确保其标记为AVAILABLE,并且分配了正确设备类型的通道。如果已经指定了FROM BACKUPSET或FROM DATAFILECOPY或FROM TAG操作数,也可能需要删除。,
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