Hi Aram,
As per SAP Note 171356 - SAP Software on Linux: General information& http://www.sdn.sap.com/irj/scn/go/portal/prtroot/docs/library/uuid/c09b0dac-dc3d-2a10-ffa3-cffd2bbe2b29?QuickLink=index&… CentOS is not supported.You could opt Reedhat as a supported OS platform ..
Regards,
Gaurav