Re: rman configuration

OK, looks to me like you are running 9i, or 10g without an FRA. Looks like you have controlfile autobackups turned on.
That being said, the controlfile autobackups will goto disk by default, assuming you have nothing configured. 

goto rman and issue a show all; command and this will show you what default settings are configured for that database.

I cover all this in my 9i and 10g RMAN Backup and Recovery book from Oracle Press.

 Robert G. Freeman
Author:
Oracle Database 11g New Features (Oracle Press)
Portable DBA: Oracle  (Oracle Press)
Oracle Database 10g New Features (Oracle Press)
Oracle9i RMAN Backup and Recovery (Oracle Press)
Oracle9i New Feature
Blog: http://robertgfreeman.blogspot.com (Oracle Press)
The LDS Church is hiring DBA's! 




----- Original Message ----
From: Joe Smith <joe_dba@hotmail.com>
To: oracle-l@freelists.org
Sent: Friday, June 6, 2008 1:54:29 PM
Subject: RE: rman configuration

 I have controlfile autobackup on and it is going to tape as seen from the list backup command below.  I was wondering if the default behavior was to snapshot the controlfile to disk even if the backup is going to tape. 
 
 
 
BS Key  Type LV Size       Device Type Elapsed Time Completion Time
------- ---- -- ---------- ----------- ------------ ---------------
10663   Full    5.50M      SBT_TAPE    00:00:04     05-JUN-08
        BP Key: 10666   Status: AVAILABLE  Compressed: NO  Tag: TAG20080605T095515
        Handle: control_c-1184362752-20080605-03   Media:
  Control File Included: Ckp SCN: 592220       Ckp time: 05-JUN-08
  SPFILE Included: Modification time: 05-JUN-08
RMAN>





________________________________
 Subject: RE: rman configuration
Date: Fri, 6 Jun 2008 12:03:12 -0700
From: Brandon.Allen@OneNeck.com
To: piontekdd@gmail.com; joe_dba@hotmail.com; oracle-l@freelists.org


That's mostly correct, just backwards on one point - it's to sync the catalog from the controlfile (the authoritative source), not the other way around.  But you are correct that it's just a temp file not needed for restore/recovery operations, so to the OP - no need to change it.  In fact, I don't think you can change it to tape.  Maybe you're confusing the snapshot controlfile with controlfile autobackup?  They are two completely different things and your controlfile autobackup goes to two places:
 
1) On disk to $ORACLE_HOME/dbs (by default) whenver you make a change to your database structure (add datafile, tablespace, logfile, etc.)
2) To the same channel type as an rman backup, i.e. if you run a database or log backup to sbt_tape and have controlfile autobackup ON, then it will automatically run a controlfile autobackup to sbt_tape after the completion of the database/log backup.
 
Regards,
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