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Figure 2-42:
Cluster nodes successfully joined 
Both VM roles have been moved to ClusterHost01, as demonstrated in Figure 2-43. 
Figure 2-43:
VM roles have been moved to ClusterHost01 
Observe that one of the cluster shared volumes and the quorum disk witness also has been moved to 
ClusterHost01, as shown in Figure 2-44. 
Figure 2-44:
Drives moved to ClusterHost01 
You can move all roles and resources between any nodes in the cluster. This is not a one-way move to 
the new cluster. All nodes function in the cluster normally and can host any role or resource in the 
cluster during this mixed operating system phase of the rolling update. 
While the cluster is mixed between Windows Server 2012 R2 and Windows Server 2016, you can patch 
and maintain all nodes normally until the rolling upgrade is completed. Backups can occur, but you 
should exclude them on the node being upgraded. 
Continue the cluster operating system rolling upgrade by following the same process on 
ClusterHost02 and ClusterHost03. Again, drain and evict one node at a time, rebuild that node with 
Windows Server 2016, and then rejoin to the domain and the cluster. 
To perform the same steps by using Windows PowerShell, use the following examples: 
1.
Pause one of the nodes and drain off the roles, for example as follows: 
PS C:\> Suspend-ClusterNode –Drain –TargetNode 2012R2-NODE4 
2.
Evict the node from the cluster by using the following command: 
PS C:\> Remove-ClusterNode –Name 2012R2-NODE4 
3.
Perform a clean installation of Windows Server to the node that was evicted. 
4.
Add the failover clustering feature by using the following command: 
PS C:\> Install-WindowsFeature –ComputerName 2012R2-NODE4 –Name Failover-Clustering –IncludeManagementTools 

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CHAPTER 2 | Software-defined datacenter 
-IncludeAllSubFeature 
5.
Add the Windows Server node to the Windows Server 2012 R2 cluster by using this command: 
PS C:\> Add-ClusterNode –Cluster Cluster –Name Preview-Node5
PS C:\> Get-ClusterNode 
Name ID State 
---- -- ----- 
2012R2-NODE3 1 Up 
PREVIEW-NODE5 2 Up