Reference Guide

High availability on Windows Server 2012
R2/2016/2019
A failover cluster is a group of independent systems that increases the availability and scalability of clustered roles. This feature
supports multiple workloads running clusters on hardware or on virtual machines.
A failover cluster is a group of systems that are independent and increases the availability and scalability of clustered roles. The
clustered servers are the nodes that are connected to one another as a network. If one or more of the cluster nodes fail, other
nodes become active and prevents failover of the systems in the network. The clustered roles that are created during cluster
setup monitor to verify that the systems are working in the clustered network. If any of the systems are not working, they are
restarted or moved to another node.
The failover cluster network for high availability on Windows Server 2012 R2/2016/2019 contains two nodes, Node 1 and Node
2 that are configured on systems running Windows Server 2012 R2/2016/2019. In the failover cluster network, if Node 1 that
is working as the primary node fails, Node 2 starts working automatically as the primary node. After Node 1 becomes active, it
automatically becomes the secondary node. The systems have a shared storage space that is connected in a network.
NOTE: The IP address of the systems in the image is an example and varies for each system at your work place.
Figure 2. Failover cluster setup
Creating clustered roles
Prerequisites
After you create the failover cluster, you can create clustered roles to host cluster workloads. Ensure that Wyse Management
Suite is installed on the servers and point to the remote database before you create clustered roles.
Steps
1. In Windows Server 2012, right-click the Start menu and then select Server Manager to launch the Server Manager
dashboard
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8 High availability on Windows Server 2012 R2/2016/2019