AFTER SHUTDOWN IMMEDIATE AND STARTUP THE DATABASE i GOT THE BELOW ERROR:
ARCH: STARTING ARCH PROCESSES COMPLETE
Fri May 09 06:00:04 2003
ALTER DATABASE MOUNT
Fri May 09 06:00:04 2003
ORA-09341: scumnt: unable to mount database
OSD-04400: unable to acquire internal semaphore for process
O/S-Error: (OS 183) Cannot create a file when that file already exists.
PLEASE ADVISE