Hello ,Can you help me for install oracle RAc11gR2? i give you the steps that i follown

I use oraclevm virtual box and the os is oracle linux 6.5 the Memory is 3072GO swap 3072GO
create group

groupadd -g 501 oinstall
groupadd -g 502 dba
groupadd -g 504 asmadmin
groupadd -g 506 asmdba
groupadd -g 507 asmoper


2) create directory for exemple mkdir -p /trav/app/oracle
chmod a+rx /trav/app/oracle
chmod g+w /trav/app/oracle
useradd -u 502 -g oinstall -G dba,asmdba,oper -d "/trav/app/oracle/oracle/dbs11gR2" -m -s /bin/bash dbs11gR2
useradd -u 501 -g oinstall -G asmadmin,asmdba,asmoper,dba -d "/trav/app/oracle/grid" –m -s /bin/bash grid
give the password to users grid and oracle

And i create the directory for database /db
chgrp dba /db/oracle
chmod -R gu+rwx /db/oracle
disabling selinux
and i change the /etc/hosts entries as below

# Public

192.168.56.71 rac1.localdomain rac1

192.168.56.72 rac2.localdomain rac2

# Private

192.168.10.1 rac1-priv.localdomain rac1-priv

192.168.10.2 rac2-priv.localdomain rac2-priv

# Virtual

192.168.56.81 rac1-vip.localdomain rac1-vip

192.168.56.82 rac2-vip.localdomain rac2-vip

# SCAN

192.168.56.91 rac-scan.localdomain rac-scan

192.168.56.92 rac-scan.localdomain rac-scan

192.168.56.93 rac-scan.localdomain rac-scan

then i install the package for oracle 11gR2 by oracle-rdbms-server-11gR2-preinstall and oracleasm packages with yum .



for user grid environment
i Add the following lines to the .profile_bash file of grid
#

umask 022

# Set Oracle environment
export ORACLE_HOME=/trav/app/oracle/grid
export ORACLE_BASE=/db/oracle
export PATH=.:$PATH:${ORACLE_HOME}/bin
export TERM=ansi
export ORACLE_TERM=vt220
export TMP=/tmp
export TNS_ADMIN=${ORACLE_HOME}/network/admin
export NLS_LANG=AMERICAN_AMERICA.WE8ISO8859P1

Modify /etc/security/limits.conf file
cd /etc/security

#Added below

grid soft nproc 2047
grid hard nproc 16384
grid soft nofile 65536
grid hard nofile 65536
grid soft stack 10240
grid hard stack 32768

for user oracle environment
i Add the following lines to the .profile_bash file of oracle
#

umask 022

# Set Oracle environment
export ORACLE_HOME=/trav/app/oracle/oracle
export ORACLE_BASE=/db/oracle
export PATH=.:$PATH:${ORACLE_HOME}/bin
export TERM=ansi
export ORACLE_TERM=vt220
export TMP=/tmp
export TNS_ADMIN=${ORACLE_HOME}/network/admin
export NLS_LANG=AMERICAN_AMERICA.WE8ISO8859P1

Modify /etc/security/limits.conf file
cd /etc/security

#Added below
oracle soft nproc 2047
oracle hard nproc 16384
oracle soft nofile 65536
oracle hard nofile 65536
oracle soft stack 10240
oracle hard stack 32768

I create oracle inventory
mkdir -p /db/oracle/oraInventory
chown –R grid:oinstall oraInventory
chmod -R gu+rwx oracle
chkconfig service iptables off


I install java in rac1 and rac2

oracleasm configure -i

oracleasm createdisk OCR_VOTE01 /dev/sdb1
oracleasm createdisk OCR_VOTE02 /dev/sdb2
oracleasm createdisk OCR_VOTE03 /dev/sdb3

oracleasm scandisks
Reloading disk partitions: done
Cleaning any stale ASM disks...
Scanning system for ASM disks...
OCR_VOTE01
OCR_VOTE02
OCR_VOTE03
cd /db/INPUT/database
./runInstaller

at this step the oracle gris and oracle rdbms were successful installed ,but for create oracle databse it dispaly i can't create the database
in /db/oracle/oracle/cfgtoollogs
I change the autorities directorie to "g+w -R cfgtoollogs" the database was created but oracle RAC was failled .Oracle manager didn't be full .