Control file does not back up

i have a backup script (YES i also use rman!!!), that does a hot backup everthing except the control file.

if i run the line

alter database backup controlfile to 'F:\MyBackups\Ast20051026.ctl';

from sqlplus, it executes without problem. if i run it in the backup script, this line alone doesn't run, everthing else in the script runs fine. i have searched everywhere for an error message but there is none.

can anyone explain?

edit of the script:

alter tablespace XYZ begin backup;

host copy C:\XX\XYZ.DBF F:\MyBackups\*.*;

alter tablespace XYZ end backup;

host copy C:\XX\SPFILEASSIST.ORA F:\MyBackups\*.*; host copy C:\XX\init.ora F:\MyBackups\*.*;

alter system archive log current;
host copy F:\XX\archive\*.* F:\MyBackups\*.*

//everything above works fine

//this line fails to execute!!

alter database backup controlfile to 'F:\MyBackups\Ast20051026.ctl';

//this line works fine

alter database backup controlfile to TRACE as 'F:\MyBackups\Ast20051026.trc' NORESETLOGS;

exit;

regards

Edwinah63 Received on Tue Oct 25 2005 - 23:53:07 CDT