RE: rman question

  • From: "Chitale, Hemant Krishnarao" <Hemant.Chitale@xxxxxx>
  • To: <Brian.Zelli@xxxxxxxxxxxxxxx>
  • Date: Wed, 27 Jul 2011 10:48:33 +0800


If you don't have ARCHIVELOG mode, all your backups are "Consistent"
backups made when the database is MOUNTed but not OPEN.

Your restore and recovery scenario practice must also include the case
where you have also lost the controlfile.  How you restore the
controlfile depends on how you backup (or autobackup) the controlfile.
The controlfile must be available and database MOUNTed before you can do
a RESTORE DATABASE.


(of course the final question is : WHY you don't have ARCHIVELOG mode
enabled ?  there are situations where a database is left in NOARCHIVELOG
mode but  that must be a conscious decision after understanding all the
ramifications).

 
Hemant K Chitale
-----Original Message-----
From: oracle-l-bounce@xxxxxxxxxxxxx
[mailto:oracle-l-bounce@xxxxxxxxxxxxx] On Behalf Of Zelli, Brian
Sent: Wednesday, July 27, 2011 5:41 AM
To: Niall Litchfield
Cc: oracle-l@xxxxxxxxxxxxx
Subject: RE: rman question

Since we don't archive log on this database, I believe a restore will do
it.  I just took the Oracle 11g admin class part II which dealt with
rman but a lot from the em standpoint.  Plus we were on windows and the
manual was unix.  My db's are on unix so I was ok with it.  In the past
I did mostly unix scripted backups so I am familiar with all things
oracle, just not as versed on rman as I wish.  Hence the class.........
We did practice recovery and restore.

________________________________
From: Niall Litchfield [niall.litchfield@xxxxxxxxx]
Sent: Tuesday, July 26, 2011 4:40 PM
To: Zelli, Brian
Cc: oracle-l@xxxxxxxxxxxxx
Subject: Re: rman question


Essentially yes. You *may* I doubt it in your case not have picked up on
the distinction of restore (when you need to pull back files from the
backups) and recovery (application of archived redo). RECOVER will not
do the restore part - except where archive logs are not on disk, and
RESTORE will not do the recover bit. So for complete restore and
recovery you will need


RESTORE <DATABASE|DATAFILE>;

RECOVER <DATABASE|DATAFILE>;


These will use the most recent appropriate available backups (including
incrementals) to attempt a complete recovery.

On 26 Jul 2011 19:23, "Zelli, Brian"
<Brian.Zelli@xxxxxxxxxxxxxxx<mailto:Brian.Zelli@xxxxxxxxxxxxxxx>> wrote:

So I've been putzing around with rman and now I have a list of backups.
If I want to restore the very last copy of the db, all I have to do is
issue a:

RMAN> recover database;

that's it?  And it will take that last copy even though I have about 7
or 8 listed?

ciao,
Brian



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