You are able to update both RHV-H or RHEL-H via the management UI. The management sends events on updates pending on the hosts and the manager machine.
Updates can be also managed via Red Hat Satellite.http://red.ht/1Oxs20B
Product :
Red Hat, RHV/4.2, RHV
Feature :
Replication / Site Failover, HA/DR, VM Mobility and HA