RMAN Script & RMAN Configuration

Question

Dear All,
This is the first time i am using RMAN. i just wanted to execute the following RMAN script for a testing purpose, for this what are the RMAN configuration i must have to do before executing this script below:
RMAN> run {
shutdown immediate;
startup mount;
backup database;
alter database open;
}This is my current setup of RMAN
RMAN> show all;
RMAN configuration parameters for database with db_unique_name DP are:
CONFIGURE RETENTION POLICY TO REDUNDANCY 1; # default
CONFIGURE BACKUP OPTIMIZATION OFF; # default
CONFIGURE DEFAULT DEVICE TYPE TO DISK; # default
CONFIGURE CONTROLFILE AUTOBACKUP ON;
CONFIGURE CONTROLFILE AUTOBACKUP FORMAT FOR DEVICE TYPE DISK TO '%F'; # default
CONFIGURE DEVICE TYPE DISK PARALLELISM 1 BACKUP TYPE TO BACKUPSET; # default
CONFIGURE DATAFILE BACKUP COPIES FOR DEVICE TYPE DISK TO 1; # default
CONFIGURE ARCHIVELOG BACKUP COPIES FOR DEVICE TYPE DISK TO 1; # default
CONFIGURE CHANNEL DEVICE TYPE DISK FORMAT 'E:\RMAN\';
CONFIGURE MAXSETSIZE TO UNLIMITED; # default
CONFIGURE ENCRYPTION FOR DATABASE OFF; # default
CONFIGURE ENCRYPTION ALGORITHM 'AES128'; # default
CONFIGURE COMPRESSION ALGORITHM 'BASIC' AS OF RELEASE 'DEFAULT' OPTIMIZE FOR LOAD TRUE ; # default
CONFIGURE ARCHIVELOG DELETION POLICY TO NONE; # default
CONFIGURE SNAPSHOT CONTROLFILE NAME TO 'E:\APP\10004\PRODUCT\11.2.0\DBHOME_1\DATABASE\SNCFDP.ORA'; # defaultKindly advice me and give me a very clear study for this above parameters
Regards
HAMEED
Once i execute that script i got this following error :
+RMAN> run {+
+2> shutdown immediate;+
+3> startup mount;+
+4> backup database;+
+5> alter database open;+
+6> };+
database closed
database dismounted
Oracle instance shut down
connected to target database (not started)
Oracle instance started
database mounted
Total System Global Area     770019328 bytes
Fixed Size                     1374780 bytes
Variable Size                301991364 bytes
Database Buffers             461373440 bytes
Redo Buffers                   5279744 bytes
Starting backup at 18-MAY-11
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID=134 device type=DISK
channel ORA_DISK_1: starting full datafile backup set
channel ORA_DISK_1: specifying datafile(s) in backup set
input datafile file number=00006 name=E:\APP\10004\ORADATA\DP\HAMEED01.DBF
input datafile file number=00007 name=E:\APP\10004\ORADATA\DP\ABDUL01.DBF
input datafile file number=00008 name=E:\APP\10004\ORADATA\DP\TEST01.DBF
input datafile file number=00001 name=E:\APP\10004\ORADATA\DP\SYSTEM01.DBF
input datafile file number=00002 name=E:\APP\10004\ORADATA\DP\SYSAUX01.DBF
input datafile file number=00005 name=E:\APP\10004\ORADATA\DP\EXAMPLE01.DBF
input datafile file number=00003 name=E:\APP\10004\ORADATA\DP\UNDOTBS01.DBF
input datafile file number=00004 name=E:\APP\10004\ORADATA\DP\USERS01.DBF
channel ORA_DISK_1: starting piece 1 at 18-MAY-11
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03009: failure of backup command on ORA_DISK_1 channel at 05/18/2011 17:22:30
ORA-19504: failed to create file "E:\RMAN\"
ORA-27038: created file already exists
OSD-04010: <create> option specified, file already exists
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-00558: error encountered while parsing input commands
Edited by: Hameed on May 18, 2011 4:59 AM

Answer 1

Dear Chinar, can you please varify this below ,, is it correct,, after given your setup i ran this script,,,
Kindly advice me
Regards
HAMEED
RMAN> run
2> {
3> backup current controlfile;
4> }
Starting backup at 18-MAY-11
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID=143 device type=DISK
channel ORA_DISK_1: starting full datafile backup set
channel ORA_DISK_1: specifying datafile(s) in backup set
including current control file in backup set
channel ORA_DISK_1: starting piece 1 at 18-MAY-11
channel ORA_DISK_1: finished piece 1 at 18-MAY-11
piece handle=E:\RMAN\FULL_06MCLH66_1_1.BK tag=TAG20110518T180910 comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time: 00:00:01
Finished backup at 18-MAY-11
Starting Control File Autobackup at 18-MAY-11
piece handle=E:\RMAN\CFC-796596855-20110518-00 comment=NONE
Finished Control File Autobackup at 18-MAY-11Edited by: Hameed on May 18, 2011 5:55 AM