Hi, all! I use Centos 7.4 and want to use ceph rbd.
I found that object-map, fast-diff can not work. rbd image 'app': size 500 GB in 128000 objects order 22 (4096 kB objects) block_name_prefix: rbd_data.10a2643c9869 format: 2 features: layering, exclusive-lock, object-map, fast-diff <=== flags: object map invalid, fast diff invalid Ceph version is 12.2.2 (cf0baeeeeba3b47f9427c6c97e2144b094b7e5ba) luminous (stable) Kernel: 3.10.0-693.el7.x86_64 So which kernel version support those feature? I do not find answer on ceph docs.
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