So the problem is that virtual machine statistics are not shown in Ovirt Virualization Manager and something is wrong with MOM service. [root@ovirt-04 ~]# service vdsmd status Redirecting to /bin/systemctl status vdsmd.service ● vdsmd.service - Virtual Desktop Server Manager Loaded: loaded (/usr/lib/systemd/system/vdsmd.service; enabled; vendor preset: enabled) Active: active (running) since Tue 2019-02-19 17:13:31 MSK; 16h ago Main PID: 17676 (vdsmd) Tasks: 63 CGroup: /system.slice/vdsmd.service ├─17676 /usr/bin/python2 /usr/share/vdsm/vdsmd ├─26249 /usr/libexec/ioprocess --read-pipe-fd 77 --write-pipe-fd 76 --max-threads 10 --max-queued-requests 10 └─26269 /usr/libexec/ioprocess --read-pipe-fd 82 --write-pipe-fd 81 --max-threads 10 --max-queued-requests 10 Feb 20 09:11:14 ovirt-04.scanru.local vdsm[17676]: WARN MOM not available. Feb 20 09:11:14 ovirt-04.scanru.local vdsm[17676]: WARN MOM not available, KSM stats will be missing. Feb 20 09:23:47 ovirt-04.scanru.local vdsm[17676]: WARN MOM not available. Feb 20 09:23:47 ovirt-04.scanru.local vdsm[17676]: WARN MOM not available, KSM stats will be missing. Feb 20 09:36:20 ovirt-04.scanru.local vdsm[17676]: WARN MOM not available. Feb 20 09:36:20 ovirt-04.scanru.local vdsm[17676]: WARN MOM not available, KSM stats will be missing. Feb 20 09:48:53 ovirt-04.scanru.local vdsm[17676]: WARN MOM not available. Feb 20 09:48:53 ovirt-04.scanru.local vdsm[17676]: WARN MOM not available, KSM stats will be missing. Feb 20 10:01:25 ovirt-04.scanru.local vdsm[17676]: WARN MOM not available. Feb 20 10:01:25 ovirt-04.scanru.local vdsm[17676]: WARN MOM not available, KSM stats will be missing.