rman备份，曾经的手动备份controlfile文件无法删除

文件已经不存在，crosscheck后也无法更新控制文件内容，

RMAN-06207: WARNING: 2 objects could not be deleted for DISK channel(s) due

RMAN-06208: to mismatched status. Use CROSSCHECK command to fix status

RMAN-06210: List of Mismatched objects

RMAN-06211: ==========================

RMAN-06212: Object Type Filename/Handle

RMAN-06213: --------------- ---------------------------------------------------

RMAN-06214: Datafile Copy /home/oracle/backup/controlfile.backup

RMAN-06214: Datafile Copy /tmp/ctl.bak

手动清理掉备份信息。

RMAN> change controlfilecopy '/tmp/ctl.bak' uncatalog;