This recipe will guide you to upgrade a Hyper-V cluster using VMM. Using the steps provided here, you will be able to turn clusters from Windows Server 2012 R2 to 2016.
Cluster migration is usually a headache for administrators, as it could be the reason for huge downtime because we need to evict some nodes from old cluster, build a new one based on the evicted nodes or a new hardware and then migrate roles from the source cluster to the target. Consequently, in the case of overcommitment, we won't have enough resources to run migrated VMs. When everything is built around clouds, which are provided by Cloud Solution Providers (CSPs) under SLA policies defining service availability, a solution to reduce or even eliminate possible downtime is highly needed.
Cluster OS Rolling Upgrade (CRU) is a new feature in Windows Server 2016 that enables administrators to upgrade the operating system of the cluster nodes from Windows Server 2012 R2 to Windows Server...