CentOS 7.3's krbd supports Jewel tunables (CRUSH_TUNABLES5) and does not support NBD since that driver is disabled out-of-the-box. As an alternative for NBD, the goal is to also offer LIO/TCMU starting with Luminous and the next point release of CentOS (or a vanilla >=4.12-ish kernel). On Fri, Jun 23, 2017 at 5:31 AM, Massimiliano Cuttini <max@xxxxxxxxxxxxx> wrote: > Dear all, > > running all server and clients a centOS release with a kernel 3.10.* I'm > facing this choiche: > > sacrifice TUNABLES and downgrade all the cluster to > CEPH_FEATURE_CRUSH_TUNABLES3 (which should be the right profile for jewel on > old kernel 3.10) > sacrifice KERNEL RBD and map Ceph by NBD > > Which one should I sacrifice? And why? > Let me know your througth, pro & cons. > > > Thanks, > Max > > > > _______________________________________________ > ceph-users mailing list > ceph-users@xxxxxxxxxxxxxx > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > -- Jason _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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