Thanks! -----Original Message----- To: Janne Johansson; Marc Roos Cc: ceph-devel; ceph-users Subject: Re: [ceph-users] Re: Understanding what ceph-volume does, with bootstrap-osd/ceph.keyring, tmpfs The key is stored in the ceph cluster config db. It can be retrieved by KEY=`/usr/bin/ceph --cluster ceph --name client.osd-lockbox.${OSD_FSID} --keyring $OSD_PATH/lockbox.keyring config-key get dm-crypt/osd/$OSD_FSID/luks`