It sounds like you ran into this issue [1]. It's been fixed in upstream master and infernalis branches, but the backport is still awaiting release on hammer.
[1] http://tracker.ceph.com/issues/12885 -- Jason Dillaman ----- Original Message ----- > From: "Giuseppe Civitella" <giuseppe.civite...@gmail.com> > To: "ceph-users" <ceph-us...@ceph.com> > Sent: Thursday, October 29, 2015 4:44:02 AM > Subject: Re: [ceph-users] Core dump while getting a volume real size with a > python script > ... and this is the core dump output while executing the "rbd diff" command: > http://paste.openstack.org/show/477604/ > Regards, > Giuseppe > 2015-10-28 16:46 GMT+01:00 Giuseppe Civitella < giuseppe.civite...@gmail.com > > : > > Hi all, > > > I'm trying to get the real disk usage of a Cinder volume converting this > > bash > > commands to python: > > > http://cephnotes.ksperis.com/blog/2013/08/28/rbd-image-real-size > > > I wrote a small test function which has already worked in many cases but it > > stops with a core dump while trying to calculate the real size of a > > particular volume. > > > This is the function: > > > http://paste.openstack.org/show/477563/ > > > this is the error I get: > > > http://paste.openstack.org/show/477567/ > > > and these are the related rbd info: > > > http://paste.openstack.org/show/477568/ > > > Can anyone help me to debug the problem? > > > Thanks > > > Giuseppe > > _______________________________________________ > ceph-users mailing list > ceph-users@lists.ceph.com > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com _______________________________________________ ceph-users mailing list ceph-users@lists.ceph.com http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
