On Mon, May 23, 2016 at 12:27 PM, Albert Archer <albertarcher94@xxxxxxxxx> wrote: > Hello All, > There is a problem to mapping RBD images to ubuntu 16.04(Kernel > 4.4.0-22-generic). > All of the ceph solution is based on ubunut 16.04(deploy, monitors, OSDs and > Clients). > ################################# > ################################# > > there are some output of my config : > > $ ceph status > > cluster 8f2da78c-89e9-4924-9238-5bf9110664cd > health HEALTH_OK > monmap e1: 3 mons at > {mon1=192.168.0.52:6789/0,mon2=192.168.0.53:6789/0,mon3=192.168.0.54:6789/0} > election epoch 4, quorum 0,1,2 mon1,mon2,mon3 > osdmap e50: 9 osds: 9 up, 9 in > flags sortbitwise > pgmap v183: 576 pgs, 2 pools, 306 bytes data, 4 objects > 324 MB used, 899 GB / 899 GB avail > 576 active+clean > > when i want to map testpool/vdisk1(for example) : > > $ sudo rbd map testpool/vdisk1 > > > rbd: sysfs write failed > RBD image feature set mismatch. You can disable features unsupported by the > kernel with "rbd feature disable". > In some cases useful info is found in syslog - try "dmesg | tail" or so. > rbd: map failed: (6) No such device or address > > $ rbd info testpool/vdisk1 > > rbd image 'vdisk1': > size 4096 MB in 1024 objects > order 22 (4096 kB objects) > block_name_prefix: rbd_data.1064238e1f29 > format: 2 > features: layering, exclusive-lock, object-map, fast-diff, > deep-flatten > flags: > ############################ > ############################ > > But, when i disabled following features, finally i could map my > image(vdisk1). > > exclusive-lock, object-map, fast-diff, deep-flatten > > So, what is the problem ??? No problem - those features aren't yet supported by the kernel client. Thanks, Ilya _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com