Create database using Oracle Management Filesystem, I have a simple example here.  the preinstallation referencing the Oracle Installation.

the undo management modified to auto is very important

supplementary for compiles:

@?/rdbms/admin/catblock.sql

@?/rdbms/admin/catoctk.sql

@?/rdbms/admin/owminst.plb

#!/bin/sh
echo_red(){
    echo -e "\033[31;5;1m${1}\033[0m"
}

sub_pfile(){
mkdir -p /u01/app/oracle/oradata/orcl
mkdir -p /u01/app/oracle/admin
mkdir -p /u01/app/oracle/flash_recovery_area
export v_dbs=/u01/app/oracle/product/10.2.0/db_1/dbs
export v_orcl=/u01/app/oracle/oradata/orcl
export v_base=/u01/app/oracle
export v_admin=/u01/app/oracle/admin/orcl
export v_flash=/u01/app/oracle/flash_recovery_area
cat > initorcl.ora <<EOF
db_create_file_dest        = "$v_base/oradata"
db_create_online_log_dest_1= "$v_base/oradata"
db_recovery_file_dest      = "$v_flash"
db_recovery_file_dest_size = 2147483648
undo_management            = "AUTO"

audit_file_dest            = "$v_admin/adump"
background_dump_dest       = "$v_admin/bdump"
user_dump_dest             = "$v_admin/udump"
core_dump_dest             = "$v_admin/cdump"
db_name                    = "orcl"

__shared_pool_size       = 163577856
__large_pool_size        = 4194304
__java_pool_size         = 4194304
__streams_pool_size      = 0
__db_cache_size          = 436207616
remote_login_passwordfile= "EXCLUSIVE"
db_domain                = ""
dispatchers              = "(PROTOCOL=TCP) (SERVICE=orclXDB)"

processes                = 150
sga_target               = 612368384
db_block_size            = 8192
compatible               = "10.2.0.1.0"
db_file_multiblock_read_count= 16
job_queue_processes      = 10
open_cursors             = 300
pga_aggregate_target     = 203423744
EOF
mv initorcl.ora $v_dbs/
chown oracle:oinstall $v_dbs/*

mkdir -p $v_admin/adump
mkdir -p $v_admin/bdump
mkdir -p $v_admin/udump
mkdir -p $v_admin/cdump
mkdir -p $v_base/oradata/ORCL/onlinelog
mkdir -p $v_flash/ORCL
chown -R oracle:oinstall $v_base/*

su - oracle <<EOF
cd $v_dbs
rm -rf orapwdorcl
/u01/app/oracle/product/10.2.0/db_1/bin/orapwd file=orapwdorcl password=oracle entries=4
EOF
}

sub_create_db(){
cat > /home/oracle/create_OMF.sql<<EOF
CREATE DATABASE orcl
  USER sys IDENTIFIED BY oracle
  USER system IDENTIFIED BY oracle
  CHARACTER SET US7ASCII
  NATIONAL CHARACTER SET AL16UTF16
  UNDO TABLESPACE undotbs
  SET DEFAULT BIGFILE TABLESPACE
  DEFAULT TEMPORARY TABLESPACE temp01;
EOF
su - oracle -c "sqlplus /nolog"<<EOF
conn / as sysdba;
shutdown abort;
startup nomount;
create spfile from pfile;
@/home/oracle/create_OMF.sql
create tablespace default_tbs datafile size 100M;
alter database default tablespace default_tbs;
quit
EOF
}

sub_complie(){
su - oracle -c "sqlplus /nolog"<<EOF
conn / as sysdba;
@?/rdbms/admin/catalog.sql
@?/rdbms/admin/catproc.sql
quit
EOF
}

case $1 in
1) sub_pfile
;;
2) sub_create_db
;;
3) sub_complie
;;
*) echo_red "please input {1|2|3} !"
   echo_red "1: pfile"
   echo_red "2: create_db_OMF"
   echo_red "3: complie"
;;
esac