Use the following command to check your OCFS2 version manually.
ocfs2-toolsare at least version 1.2.7, and that the other OCFS2 components correspond to the pattern
ocfs2-kernel_version-1.2.7or greater. If you want to install Oracle RAC on a shared home, then the OCFS2 version must be 1.4.1 or greater.
modinfo ocfs2 rpm -qa |grep ocfs2
For information about OCFS2, refer to the following website: