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
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