Which one should I sacrifice: Tunables or Kernel-rbd?

Massimiliano Cuttini <max@xxxxxxxxxxxxx> · Fri, 23 Jun 2017 11:31:23 +0200



    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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