Sync 2 Linux Centos 7 host to access a Shared SAS Raid array

both linux host have access to the Same luns SAS , we have installed Multipathd and we now see the Disk on both server. we dont know what fileformat to use and dont know what we need to configure on the Centos to make file from 1 host to show up on the second one like a NFS storage will do. we are using P2000g3 MAS SAS array directly attached to server blades. we are missing something :)