rman> list archivelog all backed up 2 times to device type sbt_tape;rman> delete force noprompt archivelog all backed up 2 times to device type sbt_tape;CONFIGURE DATAFILE BACKUP COPIES FOR DEVICE TYPE SBT_TAPE TO 1; # defau
在Oracle 12.1数据库上进行完全备份并将保留策略设置为1并将ARCHIVELOG删除策略备份到磁盘2次之后,如果运行删除过时的设备类型磁盘,则即使磁盘上没有备份两次,所有归档日志也会消失。备份脚本命令:crosscheck backup;deleteRETENTION POLICY TO REDUNDANCY 1;
ARCHIVELOG DELETION POLICY BACKED UP 2 TI