On 29 June 2017 at 13:58, Jaime Ibar <jaime@xxxxxxxxxxxx> wrote: > > I'd say there is no mds running This was indeed the issue: the configuration file named the MDS as `mds.0` which is not allowed (error message was "MDS names may not start with a numeric digit.") so the MDS daemon kept "committing suicide" (unnoticed at the start, since the daemon seems to start correctly and dies later on). Thank you all for the help! Riccardo _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com