controlfile backup obsoloete

From: <bulbultyagi_at_now-india.net.in>
Date: Wed, 18 Jun 2003 20:00:18 -0700
Message-ID: <F001.005B4A10.20030618194418@fatcity.com>

Hello list
I am using Oracle 9i release 2 enterprise edition on win32

After connecting thru rman , I made sure that I did not have any backupsets by running
delete backup ;
and then checked with list backup ;

I have set a recovery window of 4 days with : CONFIGURE RETENTION POLICY TO RECOVERY WINDOW OF 4 DAYS; And enabled autobackup of controlfiles and spfiles : CONFIGURE CONTROLFILE AUTOBACKUP ON;
CONFIGURE CONTROLFILE AUTOBACKUP FORMAT FOR DEVICE TYPE DISK TO 'D:\%F';

Then I created a backup of the entire database : backup database ;
(This created a separate backup piece : D:\C-2202427048-20030619-05)

This is the only backup of the control file I have. I checked with RMAN> LIST BACKUP OF CONTROLFILE; List of Backup Sets

BS Key Type LV Size Device Type Elapsed Time Completion Time

---- -- ---------- ----------- ------------ ------------------ -- 60 Full 672K DISK 00:00:02 19-Jun-2003 08:04: 42 BP Key: 60 Status: AVAILABLE Tag: Piece Name: D:\C-2202427048-20030619-05 Controlfile Included: Ckp SCN: 190854 Ckp time: 19-Jun-2003 08:04:40

Now when I run report obsolete ;
Its gives me the following o/p

RMAN retention policy will be applied to the command RMAN retention policy is set to recovery window of 4 days Report of obsolete backups and copies

Type                 Key    Completion Time    Filename/Handle
-------------------- ------ ------------------ --------------------
Backup Set         60     19-Jun-2003 08:04:42
Backup Piece      60     19-Jun-2003 08:04:42

D:\C-2202427048-20030619-05

Why is this sole backup of the controlfile , obsolete ?

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Received on Wed Jun 18 2003 - 22:00:18 CDT