Introduction | Planning Guide—VMware Cloud Foundation 5.x on VxRail | Dell Technologies Info Hub

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Introduction

Introduction

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The primary building block for compute resources for Cloud Foundation on VxRail is the server node. VxRail leverages the Dell PowerEdge server products as the foundation for a cluster. A VxRail cluster can scale to a maximum of 64 nodes. The first VxRail cluster deployed is always used to support the management workload domain, which requires a minimum of four nodes. VxRail supports a wide variety of server physical configurations, with flexibility on CPU model, CPU quantity and speed, RAM capacity, physical storage capacity, and network port quantity and speed.
For more details, see the VxRail Series Specification Sheet.
The mixing of different server models in a single cluster is supported because VxRail views the individual server node as a static pool of compute resources. This offers additional flexibility to start the initial configuration to meet a predefined baseline, and adapt and expand as necessary for changing workload requirements.
The server models selected for a VxRail cluster should have the same characteristics for compatibility reasons.
- The PowerEdge servers that the VxRail models are based on should be of the same generation.
- The network ports used for Cloud Foundation on VxRail on each VxRail node should be the same type and run at the same speed.