you are right. I don't have any classes installed. but cclass -a fails. what could be the causes? [root@ceph-1 x86_64]# cclass -a nm: /usr/lib64/rados-classes/libcls_rbd.so.1.0.0: no symbols Loading class: /usr/lib64/rados-classes/libcls_rbd.so.1.0.0: Error: Could not detect class name nm: /usr/lib64/rados-classes/libcls_rbd.so.1.0.0: no symbols read 37096 bytes from /usr/lib64/rados-classes/libcls_rbd.so.1.0.0 10.08.06_15:32:25.472987 mon <- [class,add,Error:,Could,not,detect,class,name,changed] 10.08.06_15:32:25.473399 mon0 -> 'invalid option: detect' (-22) [root@ceph-1 x86_64]# ceph class list 10.08.06_15:32:55.087874 mon <- [class,list] 10.08.06_15:32:55.088179 mon0 -> 'no installed classes!' (0) On Fri, Aug 6, 2010 at 3:10 PM, Yehuda Sadeh Weinraub <yehudasa@xxxxxxxxx> wrote: > On Thu, Aug 5, 2010 at 11:50 PM, Xiaoguang Liu <syslxg@xxxxxxxxx> wrote: >> unstable branch, build on Fedora 13. >> >> >> [root@ceph-1 mnt]# rbd create foo --size 1024 >> failed to assign a block name for image >> create error: Operation not supported > > This happens because the osd doesn't have the rbd class loaded in, or > have an older version loaded in. The rbd class is a loadable library > that handles some of the rbd header manipulation, as well as assigning > a unique block names for the specific rbd image. The list of classes > in the system can be obtained by running: > > $ ./ceph class list > 10.08.06_00:35:17.213413 mon <- [class,list] > 10.08.06_00:35:17.214044 mon1 -> 'installed classes: > rbd (v1.2 [x86-64]) [active] > ' (0) > > Currently we'd expect rbd class version 1.2 to be loaded in and activated. > > Loading a class can be done by the cclass utility, e.g.: > $ cclass -a > > This will try to load all the classes that were installed with they > system, usually at /usr/lib/rados-classes. This is only needed to be > run once (per architecture) as long as there's no need to update the > class. > > Yehuda > -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
