Hi, In my environment I have a single node and I'm trying to run a ceph monitor as a docker container using a kv store. Version: Octopus (stable-5.0) 2020-12-12 00:24:28 /opt/ceph-container/bin/entrypoint.sh: STAYALIVE: container will not die if a command fails., 2020-12-12 00:24:28 /opt/ceph-container/bin/entrypoint.sh: 'auth' key already exists, 2020-12-12 00:24:28 /opt/ceph-container/bin/entrypoint.sh: 'global' key already exists, 2020-12-12 00:24:28 /opt/ceph-container/bin/entrypoint.sh: 'mon' key already exists, 2020-12-12 00:24:28 /opt/ceph-container/bin/entrypoint.sh: 'mds' key already exists, 2020-12-12 00:24:28 /opt/ceph-container/bin/entrypoint.sh: 'osd' key already exists, 2020-12-12 00:24:28 /opt/ceph-container/bin/entrypoint.sh: 'client' key already exists, 2020-12-12 00:24:28 /opt/ceph-container/bin/entrypoint.sh: Adding Mon Host - vdicnode01., 0.0.0.0, vdicnode01, true, 2020-12-12 00:24:28 /opt/ceph-container/bin/entrypoint.sh: Configuration found for cluster ceph. Writing to disk., true, 2020-12-12T00:24:29+01:00 vdicnode01.local /tmp/gztmpGeLTQkuFB/confd[139]: INFO Backend set to etcd, 2020-12-12T00:24:29+01:00 vdicnode01.local /tmp/gztmpGeLTQkuFB/confd[139]: INFO Starting confd, 2020-12-12T00:24:29+01:00 vdicnode01.local /tmp/gztmpGeLTQkuFB/confd[139]: INFO Backend source(s) set to http://127.0.0.1:2379, 2020-12-12 00:24:29 /opt/ceph-container/bin/entrypoint.sh: Adding bootstrap keyrings., 2020-12-12 00:24:30 /opt/ceph-container/bin/entrypoint.sh: Adding mon/admin Keyrings., 2020-12-12 00:24:30 /opt/ceph-container/bin/entrypoint.sh: Trying to get the most recent monmap..., Error initializing cluster client: InvalidArgumentError('RADOS invalid argument (error calling conf_read_file)',), 2020-12-12 00:24:30 /opt/ceph-container/bin/entrypoint.sh: Peers not found, using initial monmap., 2020-12-12 00:24:30 /opt/ceph-container/bin/entrypoint.sh: Removing lock for vdicnode01., PrevNode.Value: vdicnode01, importing contents of /var/lib/ceph/bootstrap-osd/ceph.keyring into /etc/ceph/ceph.mon.keyring, importing contents of /var/lib/ceph/bootstrap-mds/ceph.keyring into /etc/ceph/ceph.mon.keyring, importing contents of /var/lib/ceph/bootstrap-rgw/ceph.keyring into /etc/ceph/ceph.mon.keyring, importing contents of /var/lib/ceph/bootstrap-rbd-mirror/ceph.keyring into /etc/ceph/ceph.mon.keyring, importing contents of /etc/ceph/ceph.client.admin.keyring into /etc/ceph/ceph.mon.keyring, global_init: error reading config file., And container dies (even the stayalive flag). docker service create -d --network=host \ --mount type=bind,source=/var/lib/ceph,destination=/var/lib/ceph \ --mount type=bind,source=/var/log/ceph,destination=/var/log/ceph \ --mount type=bind,source=/etc/localtime,destination=/etc/localtime,readonly \ -e KV_TYPE=etcd \ -e KV_IP=127.0.0.1 \ -e KV_PORT=2379 \ -e MON_IP=0.0.0.0 \ -e CEPH_PUBLIC_NETWORK=192.168.100.0/24 \ -e CEPH_CLUSTER_NETWORK=192.168.100.0/24 \ -e DEBUG=stayalive \ --name=vdicube_ceph_mon \ --mode=global \ --constraint node.labels.mon==1 \ ceph/daemon:v5.0.6-stable-5.0-octopus-centos-8 mon Anyone has experimented the same issue? Thanks a lot. Ó