Hi folks, For those with cephfs filesystems created using older versions of Ceph, you may be affected by this issue if you try to access your filesystem using the 4.8 or 4.9-rc kernels: http://tracker.ceph.com/issues/17825 If your data pool does not have ID 0 then you don't need to worry. If you're using anything other than a 4.8 or 4.9rc kernel you don't need to worry. John _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com