История изменений
Исправление Deleted, (текущая версия) :
Оттуда же:
I canceled the migration and manually moved the VM to another host running ovirt 4.0. The source node was then able to set itself to maintenance mode without any errors.
that is supported and works when the versions are really the latest ones.
I suggest to check the repos, it might be you are not getting updates for CentOS or qemu-kvm-ev packages on either 3.6 or 4.0 side
То есть обновлял ты, скорее всего, не регулярно. Швырни виртуалку руками, и потом попробуй её помигрировать. Есть подорения, что с этой ноды виртуалки сами не мигрируют на обновлённые хосты.
Исходная версия Deleted, :
Оттуда же:
I canceled the migration and manually moved the VM to another host
running ovirt 4.0. The source node was then able to set itself to
maintenance mode without any errors.
that is supported and works when the versions are really the latest ones.
I suggest to check the repos, it might be you are not getting updates for CentOS or qemu-kvm-ev packages on either 3.6 or 4.0 side