useradd -u 500 -g oinstall -G dba, oper oracle

passwd oracle
Changing password for user oracle.
New password:
Retype new password:
passwd: all authentication tokens updated successfully.

[root@oradb5 oraInventory]# ./orainstRoot.sh
Changing permissions of /usr/app/oracle/oraInventory to 770.
Changing groupname of /usr/app/oracle/oraInventory to dba.

The execution of the script is complete
[root@oradb5 oraInventory]#

[root@oradb1 install]# ./rootaddnode.sh
clscfg: EXISTING configuration version 3 detected.
clscfg: version 3 is 10G Release 2.
Attempting to add 1 new nodes to the configuration
Using ports: CSS=49895 CRS=49896 EVMC=49898 and EVMR=49897.
node <nodenumber>: <nodename> <private interconnect name> <hostname>
node 5: oradb5 oradb5-priv oradb5
Creating OCR keys for user 'root', privgrp 'root'..
Operation successful.
/usr/app/oracle/product/10.2.0/crs/bin/srvctl
add nodeapps -n oradb5 -A oradb5-v ip/255.255.255.0/bond0
-o /usr/app/oracle/product/10.2.0/crs
[root@oradb1 install]#

/usr/app/oracle/product/10.2.0/crs/root.sh on node oradb5.

[root@oradb5 crs]# ./root.sh
WARNING: directory '/usr/app/oracle/product/10.2.0' is not owned by root
WARNING: directory '/usr/app/oracle/product' is not owned by root
WARNING: directory '/usr/app/oracle' is not owned by root
Checking to see if Oracle CRS stack is already configured
/etc/oracle does not exist. Creating it now.

OCR backup directory '/usr/app/oracle/product/10.2.0/crs/cdata/SskyClst'
does not exist. Creating now
Setting the permissions on OCR backup directory
Setting up NS directories
Oracle Cluster Registry configuration upgraded successfully
WARNING: directory '/usr/app/oracle/product/10.2.0' is not owned by root
WARNING: directory '/usr/app/oracle/product' is not owned by root
WARNING: directory '/usr/app/oracle' is not owned by root
clscfg: EXISTING configuration version 3 detected.
clscfg: version 3 is 10G Release 2.
assigning default hostname oradb1 for node 1.
Successfully accumulated necessary OCR keys.
Using ports: CSS=49895 CRS=49896 EVMC=49898 and EVMR=49897.
node :
node 1: oradb1 oradb1-priv oradb1
node 2: oradb2 oradb2-priv oradb2
node 3: oradb3 oradb3-priv oradb3
node 4: oradb4 oradb4-priv oradb4
clscfg: Arguments check out successfully.

NO KEYS WERE WRITTEN. Supply -force parameter to override.
-force is destructive and will destroy any previous cluster
configuration.
Oracle Cluster Registry for cluster has already been initialized
Startup will be queued to init within 90 seconds.
Adding daemons to inittab
Expecting the CRS daemons to be up within 600 seconds.
CSS is active on these nodes.
oradb1
oradb2
oradb3
oradb4
oradb5
CSS is active on all nodes.
Waiting for the Oracle CRSD and EVMD to start
Oracle CRS stack installed and running under init(1M)
Running vipca(silent) for configuring nodeapps
IP address "oradb-vip" has already been used.
Enter an unused IP address.

[oracle@oradb5 oracle]$ ifconfig -a
eth0 Link encap:Ethernet HWaddr 00:90:27:B8:58:10
inet addr:192.168.2.50 Bcast:192.168.2.255 Mask:255.255.255.0
UP BROADCAST RUNNING MASTER MULTICAST MTU:1500 Metric:1
RX packets:123 errors:0 dropped:0 overruns:0 frame:0
TX packets:67 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:583308844 (556.2 Mb) TX bytes:4676477 (4.4 Mb)

eth0:1 Link encap:Ethernet HWaddr 00:90:27:B8:58:10
inet addr:192.168.2.55 Bcast:192.168.3.255 Mask:255.255.252.0
UP BROADCAST RUNNING MASTER MULTICAST MTU:1500 Metric:1
RX packets:14631 errors:0 dropped:0 overruns:0 frame:0
TX packets:21377 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:8025681 (7.6 Mb) TX bytes:600 (600.0 b)
Interrupt:11 Base address:0x2400 Memory:41300000-41300038

[root@oradb5 db_1]# ./root.sh
Running Oracle10 root.sh script...

The following environment variables are set as:
ORACLE_OWNER= oracle
ORACLE_HOME= /usr/app/oracle/product/10.2.0/db_1

Enter the full pathname of the local bin directory: [/usr/local/bin]:
The file "dbhome" already exists in /usr/local/bin. Overwrite it? (y/n)
[n]: y
Copying dbhome to /usr/local/bin ...
The file "oraenv" already exists in /usr/local/bin. Overwrite it? (y/n)
[n]: y
Copying oraenv to /usr/local/bin ...
The file "coraenv" already exists in /usr/local/bin. Overwrite it? (y/n)
[n]: y
Copying coraenv to /usr/local/bin ...

Creating /etc/oratab file...
Entries will be added to the /etc/oratab file as needed by
Database Configuration Assistant when a database is created
Finished running generic part of root.sh script.
Now product-specific root actions will be performed.

NAME STATE TYPE
------------------------------ ----------- ------
ASMGRP1 CONNECTED NORMAL
ASMGRP2 CONNECTED NORMAL

SQL> SELECT NAME FROM V$DATAFILE;

NAME
-----------------------------------------------------------------
+ASMGRP1/sskydb/datafile/system.256.581006553
+ASMGRP1/sskydb/datafile/undotbs1.258.581006555
+ASMGRP1/sskydb/datafile/sysaux.257.581006553
+ASMGRP1/sskydb/datafile/users.259.581006555
+ASMGRP1/sskydb/datafile/example.269.581007007
+ASMGRP1/sskydb/datafile/undots2.271.581029215

[oracle@oradb5 oracle]$ more .bash_profile
# Get the aliases and functions
if [ -f ~/.bashrc ]; then
. ~/.bashrc
fi
# User specific environment and startup programs
export ORACLE_BASE=/usr/app/oracle
export ORACLE_HOME=$ORACLE_BASE/product/10.2.0/db_1
export ORA_CRS_HOME=$ORACLE_BASE/product/10.2.0/crs

export PATH=.:${PATH}:$HOME/bin:$ORACLE_HOME/bin
export PATH=${PATH}:$ORA_CRS_HOME/bin
export PATH=${PATH}:/usr/bin:/bin:/usr/bin/X11:/usr/local/bin:/sbin
export ORACLE_ADMIN=$ORACLE_BASE/admin
export TNS_ADMIN=$ORACLE_HOME/network/admin

export LD_ASSUME_KERNEL=2.4.19
export LD_LIBRARY=$ORACLE_HOME/lib
export LD_LIBRARY=${LD_LIBRARY}:/lib:/usr/lib:/usr/local/bin
export LD_LIBRARY=${LD_LIBRARY}:$ORA_CRS_HOME/lib

export CLASSPATH=$ORACLE_HOME/JRE
export CLASSPATH=${CLASSPATH}:$ORACLE_HOME/jlib
export CLASSPATH=${CLASSPATH}:$ORACLE_HOME/rdbms/jlib
export CLASSPATH=${CLASSPATH}:$ORACLE_HOME/network/jlib
export THREADS_FLAG=native
export ORACLE_SID=SSKY5