Does Oracle support using Red Hat Global File System (GFS) with Oracle RAC (Real Application Clusters) software?

Yes! Oracle now officially supports customers who want to deploy Oracle® RAC with Red Hat GFS on Red Hat Enterprise Linux. Currently, the supported configuration is: Oracle 9i RAC, Red Hat GFS 6.0, and Red Hat Enterprise Linux 3. Visit Oracle’s RAC Technologies Matrix for Linux Clusters for confirmation of this supported configuration.