First I would recommend you to check your alert file for error:
Try this query to get the path where the alert file is stored:
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select value from v$parameter where name = 'background_dump_dest'
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Post your alert file information here for reference of our experts.
Hey.. Thanx for instant reply...
Here is my arert file contents:
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Dump file c:\oracle\admin\ocp\bdump\ocpALRT.LOG
Mon Mar 03 10:02:09 2008
ORACLE V9.0.1.1.1 - Production vsnsta=0
vsnsql=10 vsnxtr=3
Windows 2000 Version 5.1 Service Pack 2, CPU type 586
Starting up ORACLE RDBMS Version: 9.0.1.1.1.
System parameters with non-default values:
processes = 150
timed_statistics = TRUE
shared_pool_size = 46137344
large_pool_size = 1048576
java_pool_size = 33554432
control_files = c:\oracle\oradata\ocp\CONTROL01.CTL, c:\oracle\oradata\ocp\CONTROL02.CTL, c:\oracle\oradata\ocp\CONTROL03.CTL
db_block_size = 4096
db_cache_size = 33554432
compatible = 9.0.0
fast_start_mttr_target = 300
undo_management = AUTO
undo_tablespace = UNDOTBS
remote_login_passwordfile= EXCLUSIVE
db_domain = localhost
instance_name = ocp
dispatchers = (PROTOCOL=TCP)(SER=MODOSE), (PROTOCOL=TCP)(PRE=oracle.aurora.server.GiopServer ), (PROTOCOL=TCP)(PRE=oracle.aurora.server.SGiopServe r)
background_dump_dest = c:\oracle\admin\ocp\bdump
user_dump_dest = c:\oracle\admin\ocp\udump
core_dump_dest = c:\oracle\admin\ocp\cdump
sort_area_size = 524288
db_name = ocp
open_cursors = 300
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 Mar 03 10:02:10 2008
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 Mar 03 10:02:12 2008
alter database mount exclusive
Mon Mar 03 10:02:14 2008
ORA-00202: controlfile: 'c:\oracle\oradata\ocp\CONTROL01.CTL'
ORA-27041: unable to open file
OSD-04002: unable to open file
O/S-Error: (OS 3) The system cannot find the path specified.
Mon Mar 03 10:02:14 2008
ORA-205 signalled during: alter database mount exclusive...
Shutting down instance (abort)
License high water mark = 1
Instance terminated by USER, pid = 3168
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Waiting for reply.. thanxxxxxxxxx a lotttttttttt