CONFIGURE RMAN OUTPUT TO KEEP FOR 7 DAYS; # default启用归档删除策略:RMAN> CONFIGURE ARCHIVELOG DELETION POLICY TO BACKED UP 1 TIMES TO DISK;新的 RMAN 配置参数:CONFIGURE ARCHIVELOG DELETION POLICY TO BACKED UP 1 TIMES TO DISK;已成功存储新的 RMAN 配置参数配置归档删除策略,只要求归档备份一次到磁盘,