Cluster sets are a cloud scale-out technology that provides the benefit of combining multiple clusters without sacrificing resiliency. It encapsulates a cluster within a cluster-set by loosely coupling a group of multiple clusters. The great thing about cluster sets is that a virtual machine (VM) can seamlessly live migrate from one cluster to a host in a different cluster and continue to access its storage.
Benefits of cluster sets:
- Combine multiple smaller clusters into single namespace without sacrificing resiliency.
- Manage Failover Cluster life cycle without impacting running VMs.
- Benefit from Azure-like Fault Domains and Availability Sets across clusters.
- Scalability beyond 16 nodes.
- Key for multi-generational clusters in the enterprise, but Cluster Sets must be all Windows Server HCI or Azure Stack HCI. These platforms cannot be mixed in a cluster set.
For more information about Cluster sets, see Microsoft documentation.
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