On Oct 11, 2011, at 4:02 PM, Ljubomir Ljubojevic <office at plnet.rs> wrote: > Bear in mind that RHEL kernel is not stock kernel, > there are number of back-ported patches in it. It is safer to use a > package with applied RHEL specific patches (if necessary) done by people > working with RHEL kernel regularly. Starting in CentOS 6 one cannot see the patches that are applied to the kernel by upstream as they are slip streamed into the kernel source tree. Therefore one should test, test, test, test... BTW Building the RPM directly from DRBD sources is fully supported by Linbit. Installing an RPM compiled by a third party, not so much. -Ross