我执行了这个删除,还是有这个错误:

RMAN> show default device type;

RMAN 配置参数为:

CONFIGURE DEFAULT DEVICE TYPE TO DISK;

RMAN> configure channel device type 'SBT_TYPE' clear;

已成功删除旧的 RMAN 配置参数

--显示参数，没有任何变化

RMAN> show all;

使用目标数据库控制文件替代恢复目录

RMAN 配置参数为:

CONFIGURE RETENTION POLICY TO REDUNDANCY 5;

CONFIGURE BACKUP OPTIMIZATION ON;

CONFIGURE DEFAULT DEVICE TYPE TO DISK;

CONFIGURE CONTROLFILE AUTOBACKUP ON;

CONFIGURE CONTROLFILE AUTOBACKUP FORMAT FOR DEVICE TYPE DISK TO '%F'; # default

CONFIGURE CONTROLFILE AUTOBACKUP FORMAT FOR DEVICE TYPE SBT_TAPE TO '%F'; # defa

ult

CONFIGURE DEVICE TYPE DISK PARALLELISM 1 BACKUP TYPE TO BACKUPSET; # default

CONFIGURE DEVICE TYPE SBT_TAPE PARALLELISM 1 BACKUP TYPE TO BACKUPSET; # default

CONFIGURE DATAFILE BACKUP COPIES FOR DEVICE TYPE DISK TO 1; # default

CONFIGURE DATAFILE BACKUP COPIES FOR DEVICE TYPE SBT_TAPE TO 1; # default

CONFIGURE ARCHIVELOG BACKUP COPIES FOR DEVICE TYPE DISK TO 1; # default

CONFIGURE ARCHIVELOG BACKUP COPIES FOR DEVICE TYPE SBT_TAPE TO 1; # default

CONFIGURE CHANNEL DEVICE TYPE DISK MAXPIECESIZE 80 M;

CONFIGURE CHANNEL DEVICE TYPE 'SBT_TAPE' MAXPIECESIZE 80 M;

CONFIGURE MAXSETSIZE TO UNLIMITED; # default

CONFIGURE ENCRYPTION FOR DATABASE OFF; # default

CONFIGURE ENCRYPTION ALGORITHM 'AES128'; # default

CONFIGURE ARCHIVELOG DELETION POLICY TO NONE; # default

CONFIGURE SNAPSHOT CONTROLFILE NAME TO 'D:\ORACLE\PRODUCT\10.2.0\DB_2\DATABASE\S

NCFORCL.ORA'; # default

RMAN> delete backup;

分配的通道: ORA_DISK_1

通道 ORA_DISK_1: sid=140 devtype=DISK

释放的通道: ORA_DISK_1

RMAN-00571: ===========================================================

RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============

RMAN-00571: ===========================================================

RMAN-03002: delete 命令 (在 10/23/2007 22:35:33 上) 失败

ORA-19554: 配置设备时出错, 设备类型: SBT_TAPE, 设备名称:

ORA-27211: 未能加载介质管理库