[root@ceph2 ~]# ceph-volume lvm prepare --bluestore --data /dev/nvme0n1 Running command: /bin/ceph-authtool --gen-print-key Running command: /bin/ceph --cluster ceph --name client.bootstrap-osd --keyring /var/lib/ceph/bootstrap-osd/ceph.keyring -i - osd new ebc602f9-9aee-4260-aa9d-cd887ff04474 Running command: /usr/sbin/vgcreate --force --yes ceph-33a9a1ec-da49-4073-94cb-1e1068e8405c /dev/nvme0n1 stdout: Physical volume "/dev/nvme0n1" successfully created. stdout: Volume group "ceph-33a9a1ec-da49-4073-94cb-1e1068e8405c" successfully created Running command: /usr/sbin/lvcreate --yes -l 100%FREE -n osd-block-ebc602f9-9aee-4260-aa9d-cd887ff04474 ceph-33a9a1ec-da49-4073-94cb-1e1068e8405c stdout: Logical volume "osd-block-ebc602f9-9aee-4260-aa9d-cd887ff04474" created. Running command: /bin/ceph-authtool --gen-print-key Running command: /bin/mount -t tmpfs tmpfs /var/lib/ceph/osd/ceph-1 Running command: /bin/chown -h ceph:ceph /dev/ceph-33a9a1ec-da49-4073-94cb-1e1068e8405c/osd-block-ebc602f9-9aee-4260-aa9d-cd887ff04474 Running command: /bin/chown -R ceph:ceph /dev/dm-0 Running command: /bin/ln -s /dev/ceph-33a9a1ec-da49-4073-94cb-1e1068e8405c/osd-block-ebc602f9-9aee-4260-aa9d-cd887ff04474 /var/lib/ceph/osd/ceph-1/block Running command: /bin/ceph --cluster ceph --name client.bootstrap-osd --keyring /var/lib/ceph/bootstrap-osd/ceph.keyring mon getmap -o /var/lib/ceph/osd/ceph-1/activate.monmap stderr: got monmap epoch 2 Running command: /bin/ceph-authtool /var/lib/ceph/osd/ceph-1/keyring --create-keyring --name osd.1 --add-key AQAba2Fb7zAKCRAAaSafBJeVL6B+Bo5EjfQv4Q== stdout: creating /var/lib/ceph/osd/ceph-1/keyring stdout: added entity osd.1 auth auth(auid = 18446744073709551615 key=AQAba2Fb7zAKCRAAaSafBJeVL6B+Bo5EjfQv4Q== with 0 caps) Running command: /bin/chown -R ceph:ceph /var/lib/ceph/osd/ceph-1/keyring Running command: /bin/chown -R ceph:ceph /var/lib/ceph/osd/ceph-1/ Running command: /bin/ceph-osd --cluster ceph --osd-objectstore bluestore --mkfs -i 1 --monmap /var/lib/ceph/osd/ceph-1/activate.monmap --keyfile - --osd-data /var/lib/ceph/osd/ceph-1/ --osd-uuid ebc602f9-9aee-4260-aa9d-cd887ff04474 --setuser ceph --setgroup ceph --> ceph-volume lvm prepare successful for: /dev/nvme0n1 [root@ceph2 ~]# lsblk /dev/nvme0n1 NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT nvme0n1 259:0 0 260.9G 0 disk └─ceph--33a9a1ec--da49--4073--94cb--1e1068e8405c-osd--block--ebc602f9--9aee--4260--aa9d--cd887ff04474 253:0 0 260.8G 0 lvm [root@ceph2 ~]# ceph-volume lvm activate --all --> Activating OSD ID 1 FSID ebc602f9-9aee-4260-aa9d-cd887ff04474 Running command: /bin/ceph-bluestore-tool --cluster=ceph prime-osd-dir --dev /dev/ceph-33a9a1ec-da49-4073-94cb-1e1068e8405c/osd-block-ebc602f9-9aee-4260-aa9d-cd887ff04474 --path /var/lib/ceph/osd/ceph-1 --no-mon-config Running command: /bin/ln -snf /dev/ceph-33a9a1ec-da49-4073-94cb-1e1068e8405c/osd-block-ebc602f9-9aee-4260-aa9d-cd887ff04474 /var/lib/ceph/osd/ceph-1/block Running command: /bin/chown -h ceph:ceph /var/lib/ceph/osd/ceph-1/block Running command: /bin/chown -R ceph:ceph /dev/dm-0 Running command: /bin/chown -R ceph:ceph /var/lib/ceph/osd/ceph-1 Running command: /bin/systemctl enable ceph-volume@lvm-1-ebc602f9-9aee-4260-aa9d-cd887ff04474 stderr: Created symlink from /etc/systemd/system/multi-user.target.wants/ceph-volume@lvm-1-ebc602f9-9aee-4260-aa9d-cd887ff04474.service to /usr/lib/systemd/system/ceph-volume@.service. Running command: /bin/systemctl start ceph-osd@1 --> ceph-volume lvm activate successful for osd ID: 1 [root@ceph2 ~]# ceph osd tree | grep "osd.1 " 1 ssd 0.25470 osd.1 up 1.00000 1.00000 Fix... [root@ceph2 ~]# ceph osd crush rm-device-class osd.1 done removing class of osd(s): 1 [root@ceph2 ~]# ceph osd crush set-device-class nvme osd.1 set osd(s) 1 to class 'nvme' Check... [root@ceph2 ~]# ceph osd tree | grep "osd.1 " 1 nvme 0.25470 osd.1 up 1.00000 1.00000