The kernel krbd driver doesn't support the new RBD data pool feature. This will only function using librbd-backed clients. The error that you are seeing with "rbd feature disable" is unexpected -- any chance your OSDs are old and don't support the feature? On Wed, Dec 7, 2016 at 6:07 AM, Aravind Ramesh <Aravind.Ramesh@xxxxxxxxxxx> wrote: > Hi, > > > > I am seeing this failure when I try to map a rbd device with –data-pool set > to a EC Pool. This is a newly merged feature, I am not sure if it is > expected to work yet or I need to do something more. > > Same issue is seen while mapping a rbd image from replicated pool but after > disabling the new features, I was able to map it and create a filesystem on > it, but rbd devices created with the option –data-pool <ec pool), I am not > able to disable the features also. > > ============================= > > ems@rack9-ems-5:~/ec-rbd/master/ceph/build$ ./bin/rbd create rbdimg_EC1 > --size 1024 --pool rep_pool --data-pool aravecpool32 > > ems@rack9-ems-5:~/ec-rbd/master/ceph/build$ > > > > ems@rack9-ems-5:~/ec-rbd/master/ceph/build$ rbd ls > > rbdimg_EC1 > > ems@rack9-ems-5:~/ec-rbd/master/ceph/build$ > > > > ems@rack9-ems-5:~/ec-rbd/master/ceph/build$ sudo rbd map rbdimg_EC1 > > rbd: sysfs write failed > > rbd: map failed: (6) No such device or address > > ems@rack9-ems-5:~/ec-rbd/master/ceph/build$ > > > > ems@rack9-ems-5:~/ec-rbd/master/ceph/build$ rbd feature disable rbdimg_EC1 > exclusive-lock deep-flatten fast-diff object-map > > 2016-12-07 16:19:42.710095 7f6594ff9700 -1 librbd::image::RefreshRequest: > Image uses unsupported features: 128 > > 2016-12-07 16:19:42.710185 7f6587fff700 -1 librbd::image::OpenRequest: > failed to refresh image: (38) Function not implemented > > 2016-12-07 16:19:42.785027 7f6587fff700 -1 librbd::ImageState: failed to > open image: (38) Function not implemented > > rbd: error opening image rbdimg_EC1: (38) Function not implemented > > ems@rack9-ems-5:~/ > > ================================== > > PLEASE NOTE: The information contained in this electronic mail message is > intended only for the use of the designated recipient(s) named above. If the > reader of this message is not the intended recipient, you are hereby > notified that you have received this message in error and that any review, > dissemination, distribution, or copying of this message is strictly > prohibited. If you have received this communication in error, please notify > the sender by telephone or e-mail (as shown above) immediately and destroy > any and all copies of this message in your possession (whether hard copies > or electronically stored copies). > > _______________________________________________ > ceph-users mailing list > ceph-users@xxxxxxxxxxxxxx > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > -- Jason _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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