Sorry I missclicked, here the second part: ceph-volume --cluster ceph lvm prepare --data /dev/centos_node1/ceph But that gives me just: Running command: /usr/bin/ceph-authtool --gen-print-key Running command: /usr/bin/ceph --cluster ceph --name client.bootstrap-osd --keyring /var/lib/ceph/bootstrap-osd/ceph.keyring -i - osd new f3b442b1-68f7-456a-9991-92254e7c9c30 stderr: [errno 13] RADOS permission denied (error connecting to the cluster) --> RuntimeError: Unable to create a new OSD id So, how do I create an osd out of an existing lvm partition with cephadm? Thanks in advance Simon ________________________________ Von: Simon Sutter <ssutter@xxxxxxxxxxx> Gesendet: Dienstag, 5. Mai 2020 10:43:10 An: ceph-users@xxxxxxx Betreff: Add lvm in cephadm Hello Everyone, The new cephadm is giving me a headache. I'm setting up a new testenvironment, where I have to use lvm partitions, because I don't have more Hardware. I could't find any information about the compatibility of existing lvm partitions and cephadm/octopus. I tried the old method, where I had to use ceph-volume to use an existing lvm: _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx hosttech GmbH | Simon Sutter hosttech.ch<https://www.hosttech.ch> WE LOVE TO HOST YOU. create your own website! more information & online-demo: www.website-creator.ch<http://www.website-creator.ch<http://www.website-creator.ch<http://www.website-creator.ch>> _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx