ORA-19606: Cannot copy or restore to snapshot control file

When I went to work this morning, I found that there was an error in deleting the mirror image of the control file of the expired backup. I hereby record that the following articles can be solved by querying mos:

Error ORA-19606 on RMAN Delete (document ID 1215493.1)

The idea is to uncatalog the specified expired image control file from the backup information recorded in the control file, as follows

SYMPTOMS:

= ODM Issue Clarification = =

Receiving error on 'delete obsolete':

Delete noprompt obsolete device type disk

RMAN retention policy will be applied to the command

RMAN retention policy is set to recovery window of 5 days

Deleting the following obsolete backups and copies:

Type Key Completion Time Filename/Handle

--

Control File Copy 3 01-SEP-10 C:\ APP\ ADMINISTRATOR\ PRODUCT\ 11.2.0\ DBHOME_1\ DATABASE\ SNCFAXMPRD.ORA

RMAN-00571: =

RMAN-00569: = ERROR MESSAGE STACK FOLLOWS =

RMAN-00571: =

RMAN-03009: failure of delete command on ORA_MAINT_DISK_1 channel at 09/09/2010 02:04:24

ORA-19606: Cannot copy or restore to snapshot control file

CAUSE:

= ODM Cause Determination = =

The snapshot controlfile is cataloged as a controlfile copy and is now obsolete. RMAN cannot delete this file as it is used by rman.

= ODM Cause Justification = =

Error and information supplied justifies cause

SOLUTION:

= ODM Solution / Action Plan = =

The snapshot controlfile must be removed as a valid controlfile copy. To do this, you would:

RMAN > change controlfilecopy'C:\ APP\ ADMINISTRATOR\ PRODUCT\ 11.2.0\ DBHOME_1\ DATABASE\ SNCFAXMPRD.ORA' uncatalog

Confirm with:

RMAN > list copy of controlfile