Oracle Grid infrastructure issue with duplicate hostname found

Hi ,

I am facing issue while installing Oracle grid infrastructure in my oracle vm virtual box with oel7

Below is the error along with my host file in each node.

# Private

192.168.10.1 rac1      rac1-priv

192.168.10.2 rac2      rac2-priv

# Public

192.168.56.71 rac1     oel7

192.168.56.72 rac2     rac2

# Virtual

192.168.56.81 rac1     rac1-vip

192.168.56.82 rac2     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

Please help.

Regards,
Debasish