I would check the libvirt and vdsm logs on the receiving host. Have you tried if pinging the VM (from a 3rd system) helps ? Best Regards,Strahil Nikolov  On Fri, Sep 2, 2022 at 9:26, אריה קלטר<aryeklt(a)gmail.com> wrote: Hi, I have two ovirt clusters. 1. 4.3 cluster with single node (was 3 nodes in the past) 2. 4.5.2 cluster with 3 nodes. the problem was also on oVirt-4.5 node with a matching engine version but the cluster configured on version 4.6 because I did have a problem upgrading one of the nodes, I also lost the engine because of gluster volume sync issue between the hosts, so I formatted the problematic node using the 4.5.2 node iso and created a new engine on it, and attached 2 of the existing nodes and did upgrade on the nodes using the new engine. About the new cluster: 1. migration between hosts - almost all the time looks like it succeeds, but the VM is not responding after the successful migration. 2. run reboot inside of the VM - in a high percent of the time it just hung instead of reboot. With 100% CPU. In status "Reboot in Progress", but after some time the status changed to "Up" incorrectly. I tried on the clean images of ubuntu and centos from ovirt-image-repository. I imported a server from the 4.3 cluster to the new cluster, on the old cluster it reboots correctly but in the new cluster it doesn't. I tried it both with gluster and with nfs. Any idea how to solve both problems? Regards, Arye _______________________________________________ Users mailing list -- users(a)ovirt.org To unsubscribe send an email to users-leave(a)ovirt.org Privacy Statement: https://www.ovirt.org/privacy-policy.html oVirt Code of Conduct: https://www.ovirt.org/community/about/community-guidelines/ List Archives: https://lists.ovirt.org/archives/list/users@ovirt.org/message/QK3L4EJD3P7...