Every night at midnight, our ceph-mgr daemons open up ssh connections to the other nodes and then leaves them open. Eventually they become zombies. I cannot figure out what module is causing this or how to turn it off. If left unchecked over days/weeks, the zombie ssh connections just keep growing, the only way to clear them is to restart ceph-mgr services. Any idea what is causing this or how it can be disabled? Example: ceph 1350387 1350373 7 Jul17 ? 01:19:39 /usr/bin/ceph-mgr -n mgr.mon03 -f --setuser ceph --setgroup ceph --default-log-to-file=false --default-log-to-stderr=true --default-log-stderr-prefix ceph 1350548 1350387 0 Jul17 ? 00:00:01 ssh -C -F /tmp/cephadm-conf-d0khggdz -i /tmp/cephadm-identity-onf2msju -o ServerAliveInterval=7 -o ServerAliveCountMax=3 xxx@10.4.1.11 sudo python ceph 1350549 1350387 0 Jul17 ? 00:00:02 ssh -C -F /tmp/cephadm-conf-d0khggdz -i /tmp/cephadm-identity-onf2msju -o ServerAliveInterval=7 -o ServerAliveCountMax=3 xxx@10.4.1.41 sudo python ceph 1350550 1350387 0 Jul17 ? 00:00:01 ssh -C -F /tmp/cephadm-conf-d0khggdz -i /tmp/cephadm-identity-onf2msju -o ServerAliveInterval=7 -o ServerAliveCountMax=3 xxx@10.4.1.42 sudo python ceph 1350551 1350387 0 Jul17 ? 00:00:01 ssh -C -F /tmp/cephadm-conf-d0khggdz -i /tmp/cephadm-identity-onf2msju -o ServerAliveInterval=7 -o ServerAliveCountMax=3 xxx@10.4.1.22 sudo python ceph 1350552 1350387 0 Jul17 ? 00:00:01 ssh -C -F /tmp/cephadm-conf-d0khggdz -i /tmp/cephadm-identity-onf2msju -o ServerAliveInterval=7 -o ServerAliveCountMax=3 xxx@10.4.1.23 sudo python root 1350553 902 0 Jul17 ? 00:00:00 sshd: xxx [priv] ceph 1350554 1350387 0 Jul17 ? 00:00:01 ssh -C -F /tmp/cephadm-conf-d0khggdz -i /tmp/cephadm-identity-onf2msju -o ServerAliveInterval=7 -o ServerAliveCountMax=3 xxx@10.4.1.105 sudo pytho ceph 1350556 1350387 0 Jul17 ? 00:00:01 ssh -C -F /tmp/cephadm-conf-d0khggdz -i /tmp/cephadm-identity-onf2msju -o ServerAliveInterval=7 -o ServerAliveCountMax=3 xxx@10.4.1.21 sudo python ceph 1350557 1350387 0 Jul17 ? 00:00:01 ssh -C -F /tmp/cephadm-conf-d0khggdz -i /tmp/cephadm-identity-onf2msju -o ServerAliveInterval=7 -o ServerAliveCountMax=3 xxx@10.4.1.101 sudo pytho ceph 1350559 1350387 0 Jul17 ? 00:00:01 ssh -C -F /tmp/cephadm-conf-d0khggdz -i /tmp/cephadm-identity-onf2msju -o ServerAliveInterval=7 -o ServerAliveCountMax=3 xxx@10.4.1.102 sudo pytho Our current list of ceph-mgr modules enabled and default is: "always_on_modules": [ "balancer", "crash", "devicehealth", "orchestrator", "pg_autoscaler", "progress", "rbd_support", "status", "telemetry", "volumes" ], "enabled_modules": [ "cephadm", "dashboard", "diskprediction_local", "nfs", "prometheus", "restful" ],