I believe that an 'alter database backup controlfile to trace' loses the
RMAN data stored in the control files if you're not using a repository (if I
remember right from RF's book).
Since we're not using a repository, we've got controlfile autobackup on (in
9i use 'configure controlfile autobackup on'). We dump these disk copies
via filesystem backups as a safety measure. We also do a backup database,
archivelogs, and then control (but all in one step; I'm not sure I'm clear
on the reason for separating them into three backup sets)....
Rich
--
Rich Holland (913) 645-1950 SAP Technical Consultant
print unpack("u","92G5S\=\"!A;F]T:&5R(\'!E<FP\@:&%C:V5R\"[EMAIL PROTECTED]");
> -----Original Message-----
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
> Behalf Of Mercadante, Thomas F
> Sent: Friday, October 24, 2003 2:35 PM
> To: Multiple recipients of list ORACLE-L
> Subject: RE: full recovery
>
>
> AK,
>
> First, your normal backup should backup your database in the following
> order:
>
> Database, archivelogs and then control file. I actually do
> this in three
> separate Rman steps. This is so that the most recent control file is
> backups up after all of the data. This allows your to perform an
> incoimplete-recovery-restore to as late a time as possible.
> Also, consider
> adding a database trigger that, upon startup, perform an
> "alter database
> backup controlfile to trace;" Keep a copy of this trace file
> someplace safe
> as a sanity check. You could use it to recreate your
> controlfiles if all
> else fails.
>
> Your recovery steps are as follows:
>
> 1. restore oracle software from tape.
> 2. restore config files ( init.ora , listener. ora ).
> 3. startup instance with nomount.
> 4. run Rman to restore the control file from tape.
> 5. Alter database mount
> 6. run Rman to restore database files
> 7. alter database open resetlogs.
> 8. perform a brand-new Rman backup (database, logs & controlfile)
>
> turn the system back to the users (with many back-pats from
> management).
>
> You should be testing this on a regular basis.
>
> Good Luck!
>
> Tom Mercadante
> Oracle Certified Professional
>
> -----Original Message-----
> Sent: Friday, October 24, 2003 2:15 PM
> To: Multiple recipients of list ORACLE-L
>
>
> Here is a scenerio :
> I am taking full database backup everynight using rman to tape . which
> includes archive logs and control file. Not using
> catalog.Also have a backup
> of complete file system including oracle software and
> configuration files (
> init.ora , listener.ora etc.. )
> I lost the host on a particular day at 12 am afternoon. Now I want to
> restore this db to latest possible time to another host (
> with same name )
>
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Author: Rich Holland
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