RMAN-06214: Datafile Copy

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在使用rman备份的时候最后出现一个这样的错误：
RMAN-06207: WARNING: 1 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 /home1/oracle/backup/sh/control2.ctl
然后去该目录下查看该文件发现已经被删除了，那肯定是在os上删除的而不是使用rman来删除的。

RMAN> crosscheck backupset;
使用该命令没有发现该文件，对于datafile copy方式不应该使用backupset方式来检查，而应该使用copy方式来检查；

RMAN> report obsolete;

using target database control file instead of recovery catalog
RMAN retention policy will be applied to the command
RMAN retention policy is set to redundancy 1
Report of obsolete backups and copies
Type Key Completion Time Filename/Handle
-------------------- ------ ------------------ --------------------
Control File Copy 788 25-MAY-12 /home1/oracle/backup/sh/control2.ctl

RMAN> crosscheck copy;

allocated channel: ORA_DISK_1
channel ORA_DISK_1: sid=294 devtype=DISK
validation failed for control file copy
control file copy filename=/home1/oracle/backup/sh/control2.ctl recid=788 stamp=784174651
validation succeeded for archived log
archive log filename=/home1/oracle/oradata/newadm/arch/1_5697_619181136.dbf recid=5697 stamp=784469138
Crosschecked 2 objects

RMAN> delete obsolete;

RMAN retention policy will be applied to the command
RMAN retention policy is set to redundancy 1
using channel ORA_DISK_1
Deleting the following obsolete backups and copies:
Type Key Completion Time Filename/Handle
-------------------- ------ ------------------ --------------------
Control File Copy 788 25-MAY-12 /home1/oracle/backup/sh/control2.ctl

Do you really want to delete the above objects (enter YES or NO)? yes
deleted control file copy
control file copy filename=/home1/oracle/backup/sh/control2.ctl recid=788 stamp=784174651
Deleted 1 objects

RMAN>