If it is not specified,Oracle creates one control file in a default locatio

Hi
The CONTROL_FILES parameter is not required when you create a database. If it is not specified,Oracle creates one control file in a default location,.
Where oracle create contol file default in this condition
Thanks

Can you try to create a database and see
FYI
It creates in $ORACLE_HOME\database folder..if not specified but in UNIX i think it will be under $ORACLE_HOME/dbs
Because i dont have UNIX right now to test it
Message was edited by:
Maran Viswarayar

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I read some post from this forum and i found at this : http://forums.oracle.com/forums/login.jspa
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Hi all,
I read some post from this forum and i found at this
: http://forums.oracle.com/forums/login.jspa
where user lost all the CONTROL FILE.
Instead I have a problem only with one...but I have
this error "ORA-00205...." I could start the DB but
can't mount or open the DB.
The problem was born when I tried to move one CONTROL
FILE (Control02.ctl) from the original dir to
another.
For doing this I have done from SQL+ as SYSDBA: (the
DB was OPEN)
1) SQL> select name from v$controlfile;
2) SQL> ALTER SYSTEM SET
control_files='C:\ORACLE10.2.0G\ORADATA\CENTRALENIXUS\
CONTROL01.CTL,
G:\ORACLE10.2.0G\ORADATA\CENTRALENIXUS\CONTROL02.CTL,
C:\ORACLE10.2.0G\ORADATA\CENTRALENIXUS\CONTROL03.CTL'
SCOPE=SPFILE;
--->Changed directory of CONTROL02.CTL from disk C to
G <---
3) SQL> Shutdown immediate
4) From OS (windows 2003) moved CONTROL02.CTL to new
directory (G:\..)
5) SQL> Startup (--> I have this errors
:ORA-00205....check allert.log..)
Checking ALLERT.LOG I found this errors :
ORA-00202: control file:
'C:\ORACLE10.2.0G\ORADATA\CENTRALENIXUS\CONTROL01.CTL,
G:\ORACLE10.2.0G\ORADATA\CENTRALENIXUS\CONTROL02.CTL,
C:\ORACLE10.2.0G\ORADATA\CENTRALENIXUS\CONTROL03.CTL'
ORA-27041: impossible open file
OSD-04002: ssible open file
O/S-Error: (OS 123)
So now..I have the DB down and I don't know how
reopen it. Someone can Help me ?
Any suggest will'be glad
Thanks
DiegoHi,
in my opinion:
ad 2)
ALTER SYSTEM SET control_files="/location1", "/location2","/location3" SCOPE=SPFILE;
but there is a another solution:
a) insert correct path into file: init<SID>.ora
b) startup pfile=/location_to_init.ora
c) create spfile from pfile
Also chceck if you have right permission in new location.
S.

Re createing the control file

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Thanx.

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HTH
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PS Why do you need to rebuild the controlfile?

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I want know whether the oracle binary and control files are they related in anyway.
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I give you the sample control file.
Load DATA
INFILE 'TEST1.CSV'
INFILE 'TEST2.CSV'
TRUNCATE
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(COL_1,
COL_2,
COL_n)
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Hi,
We are in the process of cloning DB on a different server from cold backups taken on source server. The DBA forgot to take the backup of control file by dumping to trace using command
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andy

Apart from that I recommend you to have this thread on hand if you get any trouble duplicating the database.
TIP 04: Duplicating a Database in 10g by Joel Pèrez
TIP 04: Duplicating a Database in 10g by Joel Pèrez
Joel Pérez
http://otn.oracle.com/experts

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Hi All,
Is it possible to create a control file without the datafiles?
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regards,
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if I understand properly:
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