[ovirt-users] Setting compatibility level on 3.6

Hello, I have ovirt-release36-3.6.7-1 and ovirt-engine-setup-3.6.7.5- 1.el7.centos and I can't find cluster table in the DB engine to force to compatibility version 3.6 as described in https://bugzilla.redhat.com/show_bug.cgi?id=1341023 infact I have HostedEngine running on a cluster and I can't change it's compatibility. Can you help me?