On Fri, Sep 26, 2014 at 3:04 PM, Stefan Priebe - Profihost AG <s.priebe at profihost.ag> wrote: > Hi, > > as the documentation is very unspecific on this option i'm not sure > whether we should enable or disable this one on dumpling. It all depends on your kernel version. For example, as I remember there exists known XFS fiemap bug which will return false extent map. So you must ensure your kernel version with your local filesystem has the right fiemap impl. > > Greets, > Stefan > _______________________________________________ > ceph-users mailing list > ceph-users at lists.ceph.com > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com -- Best Regards, Wheat