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Dell VxRail Architecture Overview


VxRail cluster with VMware vSAN

The most basic cluster type that VxRail supports is a single cluster type that is called a standard cluster. A standard cluster can be defined as three or more VxRail nodes sharing a single VMware vSAN datastore for storage resources. VMware vSAN is a licensed VMware product that is embedded with the VxRail software stack that enables using local storage devices as a VMware vSphere datastore to support VM workload.

Figure 1. VxRail cluster with VMware vSAN
VxRail cluster with VMware vSAN

For a VxRail standard cluster, compatible storage devices are installed in the chassis slots in the factory to support the VMware vSAN datastore. When the VxRail cluster is initially built in the target data center, the VMware vSAN service discovers the storage devices across all the connected VxRail nodes using the VMware vSAN network and forms the VMware vSAN datastore.

Use cases

The VxRail standard cluster with VMware vSAN is a virtualization platform that is suitable for most general-purpose use cases and can support a wide breadth type of virtual machine workloads. Storage devices of varying capacity and performance can be used in the VxRail standard cluster to align with performance and scalability requirements for virtual machines running on a VMware vSAN datastore.

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