Hi, running Ceph Quincy 17.2.7 on Ubuntu Focal LTS, ceph-mgr service reports following errors: client.0 error registering admin socket command: (17) File exists I don't use any extra mgr configuration: mgr           advanced  mgr/balancer/active true mgr           advanced  mgr/balancer/log_level debug mgr           advanced  mgr/balancer/log_to_cluster true mgr           advanced  mgr/balancer/mode upmap mgr           advanced  mgr/balancer/upmap_max_deviation 1 mgr           advanced  mgr/balancer/upmap_max_optimizations 20 mgr           advanced  mgr/prometheus/cache true Do you have some idea, what's the cause and how to fix it? Thank you _______________________________________________ ceph-users mailing list -- ceph-users(a)ceph.io To unsubscribe send an email to ceph-users-leave(a)ceph.io