Hi David, On 14/03/2016 18:33, David Casier wrote: > "usermod -aG ceph snmp" is better ;) After thinking, the solution to add "snmp" in the "ceph" group seems to me better too... _if_ the "ceph" group has never the "w" right in /var/lib/ceph/ (which seems to be the case). So thanks to comfort me in my choice. PS: by the way, the "usermod" command always seems to me complicated to add a user in a group. I prefer the more readable below. ;) gpasswd --add snmp ceph -- François Lafont _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com