Hi All

Having I/O error while starting up the DB - OS is Win2K. Please find below the trace file and also the error messages.

open_cursors = 300
ifile = E:\oracle\admin\CRIMES\pfile\init.ora
PMON started with pid=2
DBW0 started with pid=3
LGWR started with pid=4
CKPT started with pid=5
SMON started with pid=6
RECO started with pid=7
Mon May 21 09:38:13 2007
starting up 1 shared server(s) ...
starting up 1 dispatcher(s) for network address '(ADDRESS=(PARTIAL=YES)(PROTOCOL=TCP))'...
starting up 1 dispatcher(s) for network address '(ADDRESS=(PARTIAL=YES)(PROTOCOL=TCP))'...
starting up 1 dispatcher(s) for network address '(ADDRESS=(PARTIAL=YES)(PROTOCOL=TCP))'...
Mon May 21 09:38:14 2007
alter database mount exclusive
Mon May 21 09:38:22 2007
Successful mount of redo thread 1, with mount id 1746457672.
Mon May 21 09:38:22 2007
Database mounted in Exclusive Mode.
Completed: alter database mount exclusive
Mon May 21 09:38:22 2007
alter database open
Mon May 21 09:38:23 2007
Beginning crash recovery of 1 threads
Mon May 21 09:38:23 2007
Started first pass scan
Mon May 21 09:38:26 2007
Completed first pass scan
Mon May 21 09:38:50 2007
Errors in file E:\oracle\admin\CRIMES\udump\ORA00996.TRC:
ORA-00600: internal error code, arguments: [kclcaio_1], [], [], [], [], [], [], []
ORA-27070: skgfdisp: async read/write failed
OSD-04016: Error queuing an asynchronous I/O request.
O/S-Error: (OS 23) Data error (cyclic redundancy check).

ORA-600 signalled during: alter database open...

NEED YOUR HELP PLEASE TO STARTUP THE SAME ....

Regards,