[root@ceph-server ~]# ceph health HEALTH_OK [root@ceph-server ~]# [root@ceph-server ~]# ceph osd tree ID WEIGHT TYPE NAME UP/DOWN REWEIGHT PRIMARY-AFFINITY -1 3.00000 root default -2 3.00000 host ceph-server 0 1.00000 osd.0 up 1.00000 1.00000 1 1.00000 osd.1 up 1.00000 1.00000 2 1.00000 osd.2 up 1.00000 1.00000 8 0 osd.8 down 0 1.00000 [root@ceph-server ~]# [root@ceph-server ~]# [root@ceph-server ~]# [root@ceph-server ~]# systemctl | grep ceph var-lib-ceph-osd-ceph\x2d0.mount loaded active mounted /var/lib/ceph/osd/ceph-0 var-lib-ceph-osd-ceph\x2d1.mount loaded active mounted /var/lib/ceph/osd/ceph-1 var-lib-ceph-osd-ceph\x2d2.mount loaded active mounted /var/lib/ceph/osd/ceph-2 ceph-mon@ceph-server.service loaded active running Ceph cluster monitor daemon ceph-osd@0.service loaded active running Ceph object storage daemon ceph-osd@1.service loaded active running Ceph object storage daemon ceph-osd@2.service loaded active running Ceph object storage daemon system-ceph\x2dcreate\x2dkeys.slice loaded active active system-ceph\x2dcreate\x2dkeys.slice system-ceph\x2dmon.slice loaded active active system-ceph\x2dmon.slice system-ceph\x2dosd.slice loaded active active system-ceph\x2dosd.slice ceph-mon.target loaded active active ceph target allowing to start/stop all ceph-mon@.service instances at once ceph-osd.target loaded active active ceph target allowing to start/stop all ceph-osd@.service instances at once ceph.target loaded active active ceph target allowing to start/stop all ceph*@.service instances at once [root@ceph-server ~]# [root@ceph-server ~]# [root@ceph-server ~]# systemctl disable ceph.target Removed symlink /etc/systemd/system/multi-user.target.wants/ceph.target. [root@ceph-server ~]# systemctl disable ceph-osd.target Removed symlink /etc/systemd/system/multi-user.target.wants/ceph-osd.target. Removed symlink /etc/systemd/system/ceph.target.wants/ceph-osd.target. [root@ceph-server ~]# [root@ceph-server ~]# reboot login as: root root@10.0.4.118's password: Last login: Wed Nov 8 19:24:40 2017 from 172.30.73.174 [root@ceph-server ~]# [root@ceph-server ~]# [root@ceph-server ~]# [root@ceph-server ~]# [root@ceph-server ~]# systemctl | grep ceph var-lib-ceph-osd-ceph\x2d0.mount loaded active mounted /var/lib/ceph/osd/ceph-0 var-lib-ceph-osd-ceph\x2d1.mount loaded active mounted /var/lib/ceph/osd/ceph-1 var-lib-ceph-osd-ceph\x2d2.mount loaded active mounted /var/lib/ceph/osd/ceph-2 ceph-mon@ceph-server.service loaded active running Ceph cluster monitor daemon system-ceph\x2dcreate\x2dkeys.slice loaded active active system-ceph\x2dcreate\x2dkeys.slice system-ceph\x2dmon.slice loaded active active system-ceph\x2dmon.slice ceph-mon.target loaded active active ceph target allowing to start/stop all cep -mon@.service instances at once [root@ceph-server ~]# [root@ceph-server ~]# [root@ceph-server ~]# [root@ceph-server ~]# ceph osd tree ID WEIGHT TYPE NAME UP/DOWN REWEIGHT PRIMARY-AFFINITY -1 3.00000 root default -2 3.00000 host ceph-server 0 1.00000 osd.0 up 1.00000 1.00000 1 1.00000 osd.1 up 1.00000 1.00000 2 1.00000 osd.2 up 1.00000 1.00000 8 0 osd.8 down 0 1.00000 [root@ceph-server ~]# [root@ceph-server ~]# [root@ceph-server ~]# [root@ceph-server ~]# ps -ax | grep ceph 770 ? Ss 0:00 avahi-daemon: running [ceph-server.local] 1150 ? Ssl 0:00 /usr/bin/ceph-mon -f --cluster ceph --id ceph-server --setuser ceph --setgroup ceph 1985 pts/0 S+ 0:00 grep --color=auto ceph [root@ceph-server ~]# [root@ceph-server ~]# [root@ceph-server ~]# [root@ceph-server ~]# systemctl status ceph-osd@0 ? ceph-osd@0.service - Ceph object storage daemon Loaded: loaded (/usr/lib/systemd/system/ceph-osd@.service; enabled; vendor preset: disabled) Active: inactive (dead) [root@ceph-server ~]# systemctl status ceph-osd@1 ? ceph-osd@1.service - Ceph object storage daemon Loaded: loaded (/usr/lib/systemd/system/ceph-osd@.service; enabled; vendor preset: disabled) Active: inactive (dead) [root@ceph-server ~]# systemctl status ceph-osd@2 ? ceph-osd@2.service - Ceph object storage daemon Loaded: loaded (/usr/lib/systemd/system/ceph-osd@.service; enabled; vendor preset: disabled) Active: inactive (dead)