参考的: https://eco.dameng.com/document/dm/zh-cn/ops/physical-backup-restore.html#4.3.1%20%E6%95%B0%E6%8D%AE%E5%BA%93%E8%BF%98%E5%8E%9F%E5%92%8C%E6%81%A2%E5%A4%8D

异常:

RMAN> RECOVER DATABASE '/opt/dmdbms/data/DAMENG/dm.ini' WITH BACKUPSET '/backup';
==============================Error Stack==============================
RMAN-2007:Syntax error
RMAN-8301:line [1],col [55] and nearby [BACKUPSET] exists error[-2007]:Syntax error
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