Am 24. März 2018 00:05:12 MEZ schrieb Thiago Gonzaga <thiago.gonzaga@xxxxxxxxx>: >Hi All, > >I'm starting with ceph and faced a problem while using object-map > >root@ceph-mon-1:/home/tgonzaga# rbd create test -s 1024 --image-format >2 >--image-feature exclusive-lock >root@ceph-mon-1:/home/tgonzaga# rbd feature enable test object-map >root@ceph-mon-1:/home/tgonzaga# rbd list >test >root@ceph-mon-1:/home/tgonzaga# rbd map test >rbd: sysfs write failed >RBD image feature set mismatch. You can disable features unsupported by >the >kernel with "rbd feature disable test object-map". >In some cases useful info is found in syslog - try "dmesg | tail". >rbd: map failed: (6) No such device or address > >how can we deal with that? I see some comments that large images >without >omap may suffer to get deleted I guess your issue is not Related to the Feature... directly...you are trying to mount the Image with a Kernel which isnt Support your used Feature. Perhaps could rbd-nbd be helpfull as i understand right this uses libdrb. - Mehmet > >Regards, > >*Thiago Gonzaga* _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com