Hi Francesco, in short you need to do this: mkdir /var/lib/ceph/mon/ceph-$(hostname -s) ceph auth get mon. -o /tmp/mon-keyfile ceph mon getmap -o /tmp/mon-monmap ceph-mon -i $(hostname -s) --mkfs --monmap /tmp/mon-monmap --keyring /tmp/mon-keyfile chown -R ceph: /var/lib/ceph/mon/ceph-$(hostname -s) systemctl start ceph-mon@$(hostname -s) i hope it helps, Ansgar Am Do., 19. Aug. 2021 um 14:42 Uhr schrieb Francesco Piraneo G. <fpiraneo@xxxxxxxxxxx>: > > Good afternoon, > > I'm doing my best to follow all the instructions here to add extra > monitors to a running cluster: > > https://docs.ceph.com/en/latest/rados/operations/add-or-rm-mons/ > > Unfortunately they seems quite confused and incomplete; can someone > point me to have a more detailed and complete instructions? > > I'm running ceph pacific under CentOS 8. mon1 and osd1...3 running; just > need to manually install mon2...3. > > Thank you very much. > > Francesco > > _______________________________________________ > ceph-users mailing list -- ceph-users@xxxxxxx > To unsubscribe send an email to ceph-users-leave@xxxxxxx _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx