On 03/23/2018 12:14 PM, Ilya Dryomov wrote: > luminous cluster-wide feature bits are supported since kernel 4.13. ? # uname -a Linux abweb1 4.14.0-0.bpo.3-amd64 #1 SMP Debian 4.14.13-1~bpo9+1 (2018-01-14) x86_64 GNU/Linux # rbd info truc rbd image 'truc': size 20480 MB in 5120 objects order 22 (4096 kB objects) block_name_prefix: rbd_data.9eca966b8b4567 format: 2 features: layering, exclusive-lock, object-map, fast-diff, deep-flatten flags: # rbd map truc rbd: sysfs write failed RBD image feature set mismatch. You can disable features unsupported by the kernel with "rbd feature disable pool/truc object-map fast-diff deep-flatten". In some cases useful info is found in syslog - try "dmesg | tail". rbd: map failed: (6) No such device or address # dmesg | tail -1 [1108045.667333] rbd: image truc: image uses unsupported features: 0x38 _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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