Solution : https://service.sap.com/sap/support/notes/1426182 (SAP Service marketplace login required)
Key words : 
linux platform impact critical runtime related areas, -mission critical environments, official support policy, disk io access, native os environment, kvm virtualized environment, kvm virtualized environments, -rac enabled installations, sap application servers, sap application layer
Related Notes : 
       
| 1400911 | Linux: SAP on Red Hat KVM - Kernel-based Virtual Machine | 
| 1122387 | Linux: SAP Support in virtualized environments | 
| 171356 | SAP software on Linux: General information | 
| 105047 | Support for Oracle functions in the SAP environment |