Re: RMAN duplicate from machine_A to machine_B

DBA wrote:
>
> devnull_at_ronr.nl (Ronald) wrote in message news:<67ce88e7.0108082221.6a0c0df_at_posting.google.com>...
> > as1543_at_hotmail.com (DBA) wrote in message news:<67932b2c.0108081108.772853b4_at_posting.google.com>...
> > > I tried to dup a test database on host A, and while I was looking for
> > > new datfiles to be created on host B, RMAN was trying to overwrite my
> > > production datafiles.
> >
> > Hi DBA ???
> > you should have copied the backupset to host B and run rman copy from
> > there. Nfs is a possibility to copy automagically. Have host C to
> > export a backup directory to both host A and B or export the backup
> > destination from host A to host B (or the other way round).
> >
> > In your case I would copy the files using rcp or ftp.
> >
> > Ronald
> > ------
> > http://ronr.nl/unix-dba
>
> Thank you for Responding.
> This brings up a few more "dumb RMAN questions"
> * If I FTP backupset to host B, the original RMAN catalog will not
> know about them.
> * If I create a host B catalog, do you know how to register the
> existence of the new host B backupset?
> * Can it be done without a catalog?
>
> Thanks again

There is a section in the (8.1.7+) rman doco for duplicating a database. If you just copy the files, then you cannot use the same rman catalog for the live db and the one you've just cloned - since they will both have the same internal database id.

hth
connor

-- 
==============================
Connor McDonald

http://www.oracledba.co.uk

"Some days you're the pigeon, some days you're the statue..."