Hi,
I could NOT able to create a RAC database because of VIP issue.

>> De configured CRS on NODE1
# /u01/product/11.2.0/grid/crs/install/rootcrs.pl -verbose -deconfig -force
2017-12-15 03:39:18: Parsing the host name
2017-12-15 03:39:18: Checking for super user privileges
2017-12-15 03:39:18: User has super user privileges
Using configuration parameter file: /u01/product/11.2.0/grid/crs/install/crsconfig_params
VIP exists.:rac2
VIP exists.: /rac2-vip/192.168.212.71/255.255.255.0/eth0
GSD exists.
ONS daemon exists. Local port 6100, remote port 6200
eONS daemon exists. Multicast port 22846, multicast IP address 234.134.52.116, listening port 2016
PRKO-2439 : VIP does not exist.
PRKO-2313 : VIP rac1 does not exist. <===================== ERROR
ACFS-9200: Supported
CRS-2613: Could not find resource 'ora.registry.acfs'.
CRS-4000: Command Stop failed, or completed with errors.
CRS-2791: Starting shutdown of Oracle High Availability Services-managed resources on 'rac1'
CRS-2673: Attempting to stop 'ora.crsd' on 'rac1'
CRS-2790: Starting shutdown of Cluster Ready Services-managed resources on 'rac1'
CRS-2673: Attempting to stop 'ora.CRS.dg' on 'rac1'
CRS-2673: Attempting to stop 'ora.DATA.dg' on 'rac1'
CRS-2673: Attempting to stop 'ora.RECO.dg' on 'rac1'
CRS-2673: Attempting to stop 'ora.rac1-vip.vip' on 'rac1'
CRS-2677: Stop of 'ora.rac1-vip.vip' on 'rac1' succeeded
CRS-2672: Attempting to start 'ora.rac1-vip.vip' on 'rac2'
CRS-2677: Stop of 'ora.RECO.dg' on 'rac1' succeeded
CRS-2676: Start of 'ora.rac1-vip.vip' on 'rac2' succeeded
CRS-2677: Stop of 'ora.CRS.dg' on 'rac1' succeeded
CRS-2677: Stop of 'ora.DATA.dg' on 'rac1' succeeded
CRS-2673: Attempting to stop 'ora.asm' on 'rac1'
CRS-2677: Stop of 'ora.asm' on 'rac1' succeeded
CRS-2673: Attempting to stop 'ora.net2.network' on 'rac1'
CRS-2677: Stop of 'ora.net2.network' on 'rac1' succeeded
CRS-2792: Shutdown of Cluster Ready Services-managed resources on 'rac1' has completed
CRS-2677: Stop of 'ora.crsd' on 'rac1' succeeded
CRS-2673: Attempting to stop 'ora.cssdmonitor' on 'rac1'
CRS-2673: Attempting to stop 'ora.ctssd' on 'rac1'
CRS-2673: Attempting to stop 'ora.evmd' on 'rac1'
CRS-2673: Attempting to stop 'ora.asm' on 'rac1'
CRS-2673: Attempting to stop 'ora.drivers.acfs' on 'rac1'
CRS-2673: Attempting to stop 'ora.mdnsd' on 'rac1'
CRS-2677: Stop of 'ora.cssdmonitor' on 'rac1' succeeded
CRS-2677: Stop of 'ora.mdnsd' on 'rac1' succeeded
CRS-2677: Stop of 'ora.evmd' on 'rac1' succeeded
CRS-2677: Stop of 'ora.ctssd' on 'rac1' succeeded
CRS-2677: Stop of 'ora.drivers.acfs' on 'rac1' succeeded
CRS-2677: Stop of 'ora.asm' on 'rac1' succeeded
CRS-2673: Attempting to stop 'ora.cssd' on 'rac1'
CRS-2677: Stop of 'ora.cssd' on 'rac1' succeeded
CRS-2673: Attempting to stop 'ora.gpnpd' on 'rac1'
CRS-2673: Attempting to stop 'ora.diskmon' on 'rac1'
CRS-2677: Stop of 'ora.gpnpd' on 'rac1' succeeded
CRS-2673: Attempting to stop 'ora.gipcd' on 'rac1'
CRS-2677: Stop of 'ora.diskmon' on 'rac1' succeeded
CRS-2677: Stop of 'ora.gipcd' on 'rac1' succeeded
CRS-2793: Shutdown of Oracle High Availability Services-managed resources on 'rac1' has completed
CRS-4133: Oracle High Availability Services has been stopped.
Successfully deconfigured Oracle clusterware stack on this node
>> Executed root.sh on NODE1
[root@RAC1 ~]# /u01/product/11.2.0/grid/root.sh
Running Oracle 11g root.sh script...
The following environment variables are set as:
ORACLE\_OWNER= grid
ORACLE\_HOME= /u01/product/11.2.0/grid
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 ...
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.
2017-12-15 03:40:55: Parsing the host name
2017-12-15 03:40:55: Checking for super user privileges
2017-12-15 03:40:55: User has super user privileges
Using configuration parameter file: /u01/product/11.2.0/grid/crs/install/crsconfig_params
LOCAL ADD MODE
Creating OCR keys for user 'root', privgrp 'root'..
Operation successful.
Adding daemon to inittab
CRS-4123: Oracle High Availability Services has been started.
ohasd is starting
CRS-4402: The CSS daemon was started in exclusive mode but found an active CSS daemon on node rac2, number 2, and is terminating
An active cluster was found during exclusive startup, restarting to join the cluster
CRS-2672: Attempting to start 'ora.mdnsd' on 'rac1'
CRS-2676: Start of 'ora.mdnsd' on 'rac1' succeeded
CRS-2672: Attempting to start 'ora.gipcd' on 'rac1'
CRS-2676: Start of 'ora.gipcd' on 'rac1' succeeded
CRS-2672: Attempting to start 'ora.gpnpd' on 'rac1'
CRS-2676: Start of 'ora.gpnpd' on 'rac1' succeeded
CRS-2672: Attempting to start 'ora.cssdmonitor' on 'rac1'
CRS-2676: Start of 'ora.cssdmonitor' on 'rac1' succeeded
CRS-2672: Attempting to start 'ora.cssd' on 'rac1'
CRS-2672: Attempting to start 'ora.diskmon' on 'rac1'
CRS-2676: Start of 'ora.diskmon' on 'rac1' succeeded
CRS-2676: Start of 'ora.cssd' on 'rac1' succeeded
CRS-2672: Attempting to start 'ora.ctssd' on 'rac1'
CRS-2676: Start of 'ora.ctssd' on 'rac1' succeeded
CRS-2672: Attempting to start 'ora.drivers.acfs' on 'rac1'
CRS-2676: Start of 'ora.drivers.acfs' on 'rac1' succeeded
CRS-2672: Attempting to start 'ora.asm' on 'rac1'
CRS-2676: Start of 'ora.asm' on 'rac1' succeeded
CRS-2672: Attempting to start 'ora.crsd' on 'rac1'
CRS-2676: Start of 'ora.crsd' on 'rac1' succeeded
CRS-2672: Attempting to start 'ora.evmd' on 'rac1'
CRS-2676: Start of 'ora.evmd' on 'rac1' succeeded
PRCN-2050 : The requested VIP (nodename: rac1, VIP name: rac1-vip, network number: 1) has the same VIP name but different network number or preferred node than the registered VIP (nodename: rac1, VIP name: 192.168.212.70, network number: 2).
add vip -n rac1 -k 1 -A rac1-vip/255.255.255.0/eth0 on node=rac1 ... failed <============================ Error
Preparing packages for installation...
cvuqdisk-1.0.7-1
Configure Oracle Grid Infrastructure for a Cluster ... failed
Updating inventory properties for clusterware
Starting Oracle Universal Installer...
Checking swap space: must be greater than 500 MB. Actual 6000 MB Passed
The inventory pointer is located at /etc/oraInst.loc
The inventory is located at /u01/app/oraInventory
'UpdateNodeList' was successful.
>>
[root@RAC1 ~]# srvctl add vip -n rac1 -A 192.168.212.70/255.255.255.0 -k 2
>>
# srvctl status vip -i rac1-vip
VIP 192.168.212.70 is enabled
VIP 192.168.212.70 is not running
>>
[root@RAC1 ~]# srvctl start nodeapps -n rac1
PRKO-2421 : Network resource is already started on node(s): rac1
PRKO-2439 : VIP does not exist.
PRKO-2422 : ONS is already started on node(s): rac1
PRKO-2423 : eONS is already started on node(s): rac1
>>
# srvctl status vip -i rac1-vip
VIP 192.168.212.70 is enabled
VIP 192.168.212.70 is not running
>>
[root@RAC1 ~]# srvctl start vip -i rac1-vip -v
Successfully started VIP.
>>
# srvctl status vip -i rac1-vip
VIP 192.168.212.70 is enabled
VIP 192.168.212.70 is running on node: rac1
>>
[root@RAC1 ~]# ping rac1-vip
PING rac1-vip (192.168.212.70) 56(84) bytes of data.
64 bytes from rac1-vip (192.168.212.70): icmp_seq=1 ttl=64 time=0.018 ms
64 bytes from rac1-vip (192.168.212.70): icmp_seq=2 ttl=64 time=0.023 ms
64 bytes from rac1-vip (192.168.212.70): icmp_seq=3 ttl=64 time=0.021 ms
--- rac1-vip ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2000ms
rtt min/avg/max/mdev = 0.018/0.020/0.023/0.005 ms
>>
[root@RAC1 ~]# ping rac2-vip
PING rac2-vip (192.168.212.71) 56(84) bytes of data.
64 bytes from rac2-vip (192.168.212.71): icmp_seq=1 ttl=64 time=1.84 ms
64 bytes from rac2-vip (192.168.212.71): icmp_seq=2 ttl=64 time=0.153 ms
64 bytes from rac2-vip (192.168.212.71): icmp_seq=3 ttl=64 time=0.162 ms
--- rac2-vip ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 1999ms
rtt min/avg/max/mdev = 0.153/0.720/1.845/0.795 ms
>>
# cat /etc/hosts
# Do not remove the following line, or various programs
# that require network functionality will fail.
127.0.0.1 localhost.localdomain localhost
#::1 localhost6.localdomain6 localhost6i
# Public IP
192.168.212.40 rac1 rac1.example.com
192.168.212.41 rac2 rac2.example.com
# Private IP
10.0.0.1 rac1-priv
10.0.0.2 rac2-priv
# Virtual IP
192.168.212.70 rac1-vip
192.168.212.71 rac2-vip
# Scan IP
192.168.212.90 rac-scan
>> On Node2
# ping rac1-vip
PING rac1-vip (192.168.212.70) 56(84) bytes of data.
64 bytes from rac1-vip (192.168.212.70): icmp_seq=1 ttl=64 time=1.53 ms
64 bytes from rac1-vip (192.168.212.70): icmp_seq=2 ttl=64 time=0.442 ms
--- rac1-vip ping statistics ---
2 packets transmitted, 2 received, 0% packet loss, time 1000ms
rtt min/avg/max/mdev = 0.442/0.987/1.532/0.545 ms
>>
[root@RAC2 ~]# ping rac2-vip
PING rac2-vip (192.168.212.71) 56(84) bytes of data.
64 bytes from rac2-vip (192.168.212.71): icmp_seq=1 ttl=64 time=0.018 ms
64 bytes from rac2-vip (192.168.212.71): icmp_seq=2 ttl=64 time=0.038 ms
64 bytes from rac2-vip (192.168.212.71): icmp_seq=3 ttl=64 time=0.035 ms
--- rac2-vip ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2000ms
rtt min/avg/max/mdev = 0.018/0.030/0.038/0.009 ms
>>
# cat /etc/hosts
# Do not remove the following line, or various programs
# that require network functionality will fail.
127.0.0.1 localhost.localdomain localhost
#::1 localhost6.localdomain6 localhost6i
# Public IP
192.168.212.40 rac1 rac1.example.com
192.168.212.41 rac2 rac2.example.com
# Private IP
10.0.0.1 rac1-priv
10.0.0.2 rac2-priv
# Virtual IP
192.168.212.70 rac1-vip
192.168.212.71 rac2-vip
# Scan IP
192.168.212.90 rac-scan
>>
# crsctl check cluster -all
**************************************************************
rac1:
CRS-4537: Cluster Ready Services is online
CRS-4529: Cluster Synchronization Services is online
CRS-4533: Event Manager is online
**************************************************************
rac2:
CRS-4537: Cluster Ready Services is online
CRS-4529: Cluster Synchronization Services is online
CRS-4533: Event Manager is online
**************************************************************
>>