How to enable block change tracking with pfile

Hello
I want to use enable block change tracking (for fast incremental RMAN backup). kindly advice how can i use this parameter using pfile.
Thanks
Krishna

Krishna Agnihotri wrote:
Hello
I want to use enable block change tracking (for fast incremental RMAN backup). kindly advice how can i use this parameter using pfile.
You could have just tried ,
D:\app\aristadba\product\11.2.0\dbhome_1\database>sqlplus / as sysdba
SQL*Plus: Release 11.2.0.1.0 Production on Tue Aug 30 10:04:20 2011
Copyright (c) 1982, 2010, Oracle.  All rights reserved.
Connected to an idle instance.
SQL> startup pfile=initorcl112.ora
ORACLE instance started.
Total System Global Area  263639040 bytes
Fixed Size                  1373964 bytes
Variable Size             213911796 bytes
Database Buffers           41943040 bytes
Redo Buffers                6410240 bytes
Database mounted.
Database opened.
SQL> alter database enable block change tracking using file 'block';
Database altered.
SQL>Just to show that the file actually gets created,
SQL> alter database enable block change tracking using file 'block';
Database altered.
SQL> exit
Disconnected from Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
D:\app\aristadba\product\11.2.0\dbhome_1\database>dir
Volume in drive D has no label.
Volume Serial Number is A408-F176
Directory of D:\app\aristadba\product\11.2.0\dbhome_1\database
08/30/2011  10:05 AM        11,600,384 BLOCK
05/17/2010  10:45 AM             2,048 hc_orcl112.dat
10/17/2009  01:35 PM             1,015 INITorcl.ORA
08/30/2011  10:01 AM             1,042 INITorcl112.ORA
              12 File(s)     21,412,139 bytes
               3 Dir(s)  17,036,451,840 bytes free
D:\app\aristadba\product\11.2.0\dbhome_1\database>sqlplus / as sysdba
SQL*Plus: Release 11.2.0.1.0 Production on Tue Aug 30 10:06:40 2011
Copyright (c) 1982, 2010, Oracle.  All rights reserved.
Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
SQL> alter database disable block change tracking;
Database altered.
SQL> exit
Disconnected from Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
D:\app\aristadba\product\11.2.0\dbhome_1\database>dir
Volume in drive D has no label.
Volume Serial Number is A408-F176
Directory of D:\app\aristadba\product\11.2.0\dbhome_1\database
08/30/2011  10:06 AM    <DIR>          .
08/30/2011  10:06 AM    <DIR>          ..
05/17/2010  08:55 AM    <DIR>          archive
05/17/2010  10:45 AM             2,048 hc_orcl112.dat
10/17/2009  01:35 PM             1,015 INITorcl.ORA
08/30/2011  10:01 AM             1,042 INITorcl112.ORA
12/22/2005  04:07 AM            31,744 oradba.exe
08/30/2011  09:05 AM             9,314 oradim.log
12/24/2009  08:09 PM             1,536 PWDorcl.ora
08/07/2011  11:00 PM             1,536 PWDorcl112.ora
04/15/2011  05:52 PM         9,748,480 SNCFORCL112.ORA
02/10/2011  09:00 PM             3,584 SPFILEORCL.ORA
08/30/2011  09:59 AM             3,584 SPFILEORCL112.ORA
02/10/2011  09:07 PM             7,872 upgrade.logAman....
Edited by: Aman.... on Aug 30, 2011 10:08 AM added 2nd code snippet

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