On Thu, Oct 20, 2016 at 2:45 PM, David Riedl <david.riedl@xxxxxxxxxxx> wrote: > Hi cephers, > > I want to use the newest features of jewel on my cluster. I already updated > all kernels on the OSD nodes to the following version: > 4.8.2-1.el7.elrepo.x86_64. > > The KVM hypervisors are running the CentOS 7 stock kernel ( > 3.10.0-327.22.2.el7.x86_64 ) > > If I understand it correctly, libvirt/qemu/librbd don't use the kernel for > communication with ceph. At least there is no kernel layer shown in this > diagram: http://docs.ceph.com/docs/master/rbd/libvirt/ Correct. > > The ceph packages are already updated on the hypervisors. On top on all this > there is Openstack, if that's important at all. > > > My question is: Do I need to update the kernels of the hypervisors if I only > use libvirt as a base? No - if all you are doing is qemu/librbd, the stock kernel is good enough. Thanks, Ilya _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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