Create DB On Raw Device Manually

#cat /etc/issue
Red Hat Enterprise Linux Server release 5.5 (Tikanga)
#sqlplus / as sysdba
Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - Production

#fdisk /dev/sdb
#ls /dev/sdb*
/dev/sdb   /dev/sdb10  /dev/sdb12  /dev/sdb2  /dev/sdb4  /dev/sdb6  /dev/sdb8
/dev/sdb1  /dev/sdb11  /dev/sdb13  /dev/sdb3  /dev/sdb5  /dev/sdb7  /dev/sdb9
#chown -R Oracle /dev/sdb* && chmod -R 777 /dev/sdb*
#ll /dev/sdb*
brwxrwxrwx 1 Oracle disk 8, 16 Mar 23 14:48 sdb
brwxrwxrwx 1 Oracle disk 8, 17 Mar 23 14:48 sdb1
brwxrwxrwx 1 oracle disk 8, 26 Mar 23 14:48 sdb10
brwxrwxrwx 1 Oracle disk 8, 27 Mar 23 14:48 sdb11
brwxrwxrwx 1 oracle disk 8, 28 Mar 23 14:49 sdb12
brwxrwxrwx 1 Oracle disk 8, 29 Mar 23 14:48 sdb13
brwxrwxrwx 1 oracle disk 8, 18 Mar 23 14:48 sdb2
brwxrwxrwx 1 Oracle disk 8, 19 Mar 23 14:48 sdb3
brwxrwxrwx 1 oracle disk 8, 20 Mar 23 14:48 sdb4
brwxrwxrwx 1 Oracle disk 8, 21 Mar 23 14:48 sdb5
brwxrwxrwx 1 oracle disk 8, 22 Mar 23 14:48 sdb6
brwxrwxrwx 1 Oracle disk 8, 23 Mar 23 14:49 sdb7
brwxrwxrwx 1 oracle disk 8, 24 Mar 23 14:49 sdb8
brwxrwxrwx 1 Oracle disk 8, 25 Mar 23 14:48 sdb9


#mkdir -p $Oracle_BASE/admin/{adump,bdump,cdump,udump}
#chown -R Oracle $ORACLE/admin && chmod -R 775 $ORACLE_BASE/admin

#cd $Oracle_HOME/dbs/
#vim inittestdb.ora
#cat inittestdb.ora
db_name=testdb
compatible='11.2.0.1.0'
sga_target=512000000
undo_management='auto'
undo_tablespace=undotbs
control_files='/dev/sdb1','/dev/sdb2','/dev/sdb3'
audit_file_dest='$Oracle_BASE/admin/testdb/adump'
background_dump_dest='$Oracle_BASE/admin/testdb/bdump'
core_dump_dest='$ORACLE_BASE/admin/testdb/cdump'
user_dump_dest='$Oracle_BASE/admin/testdb/udump'

#orapwd file=testdb password=urpasswd
#pwd
/opt/app/Oracle/product/11gr2/grid/dbs

#sqlplus /nolog
SQL>conn sys/urpasswd as sysdba
SQL>startup nomount pfile=inittestdb.ora
SQL>create spfile from pfile;
SQL>shutdown immediate
SQL>ho vim createdb.sql
SQL>ho cat createdb.sql

CREATE DATABASE testdb
  USER SYS IDENTIFIED BY rlinux
  USER SYSTEM IDENTIFIED BY rlinux
  LOGFILE GROUP 1 ('/dev/sdb13') SIZE 50M,
          GROUP 2 ('/dev/sdb5') SIZE 50M
          MAXLOGFILES 30 MAXLOGMEMBERS 5 MAXLOGHISTORY 200
          MAXDATAFILES 100 MAXINSTANCES 1
          CHARACTER SET UTF8
          NATIONAL CHARACTER SET AL16UTF16
  DATAFILE '/dev/sdb6' SIZE 200M autoextend on next 10m maxsize unlimited EXTENT MANAGEMENT LOCAL
  SYSAUX DATAFILE '/dev/sdb7' SIZE 200M autoextend on next 10m maxsize unlimited DEFAULT
  TEMPORARY TABLESPACE temp TEMPFILE '/dev/sdb8' SIZE 200M autoextend on next 10m maxsize unlimited
  UNDO TABLESPACE undotbs DATAFILE '/dev/sdb9' SIZE 325M AUTOEXTEND ON MAXSIZE UNLIMITED;

SQL>startup nomount
SQL>@createdb.sql
SQL>select * from v$database;

#echo "chown -R Oracle /dev/sdb*" >> /etc/rc.local
#echo "chmod -R 775 /dev/sdb*"  >> /etc/rc.local

END!!!!

reload from http://www.linuxidc.com/Linux/2012-02/54865.html