Dimitre, Check the clone_db.ora for the reference to old sid in db_name or etc. Have you done Set oracle_sid=xxxx variable for your environment before running the script? Secondly, I will agree please attached your create control file script and database parameter script for analysis by others. Nisar Tareen. "Radoulov, Dimitre" <cichomitiko@xxxxxxxxx> wrote: Could you please send the create controlfile command? Are you sure you're using the set command? create controlfile SET database ... Regards, Dimitre Radoulov ----- Original Message ----- From: "drumil narayan" To: Sent: Tuesday, October 25, 2005 8:05 PM Subject: [askdba] Cloning a oracle 9i database > Dear all, > > am preparing a clone for our development db 9i. > am following following steps..resulting in error > ora 1500, 1503 > > 1. alter database backup controlfile to trace > > 2. in trace file am changing following such that it > will point to cloning locations > > create controlfile.... database 'clone_sid' > resetlogs > .... > logfiles > clone locations > .... > datafiles > clone locations > .... > character set.. > 3 shutdown old_db > 4 copy old_db.ora to clone_db.ora > 5 changing sid, destinations to clone_db sid and > destinations, not mentioning control file locations > 6 startup nomount pfile='clone_db.ora' > database starts.... > .... > ... > 7 when am running the control file scripts prepared > using the old_db, it gives me that the datafiles which > i have copied from the old locations to clone > destinatins have the old sid name in their header and > hence unable to mount and open the new db.. > > where am going wrong..kindly help..drumil > > > > __________________________________________________________ > Yahoo! India Matrimony: Find your partner now. Go to > http://yahoo.shaadi.com > --------------------------------- Yahoo! FareChase - Search multiple travel sites in one click.