Oracle 12c RAC Installation issue on Red Hat 6

Here are a couple of issues I found with installing Oracle 12c RAC

Once all the  checks are complete run runcluvfy to ensure components are installed.

During an install of Oracle 12cR1 RAC Grid Infrastructure on Red Hat or CentOS 6.2, 6.3 or 6.4, you run the script to test node readiness and it fails with the following error:

Reference data is not available for verifying prerequisites on this operating system distribution
Verification cannot proceed

This is due to bug 15973656 which states that cannot properly detect the Red Hat 6.2 and above operating system. The problem also affects CentOS 6.2 and above.

Download and install on both nodes - redhat-release-6Server-1.x86_64.rpm

Run runcluvfy to ensure the install has the prerequisite.

 Installing ASM

I used a mixture of yum and rpm’s.  The rpm’s can be downloaded from:
Setup the repository:

cd /etc/yum.repos.d

[root]# yum install kmod-oracleasm
Install the lib and support:
[root]# rpm -i oracleasm-support-2.1.8-1.el6.x86_64.rpm
warning: oracleasm-support-2.1.8-1.el6.x86_64.rpm: Header V3 
RSA/SHA256 Signature, key ID ec551f03: NOKEY
[root]# rpm -i oracleasmlib-2.0.4-1.el6.x86_64.rpm
warning: oracleasmlib-2.0.4-1.el6.x86_64.rpm: Header V3 
RSA/SHA256 Signature, key ID ec551f03: NOKEY
You can install both oracleasm and oracleasm-support.  I couldn't find oracleasmlib, so opted to download it and 
install the rpm.

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