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Dell VxRail Network Planning Guide
Introduction Plan the VxRail network VxRail Cluster Types
VxRail Cluster Types
Original vSAN architecture
Express vSAN architecture
Dynamic cluster
FC storage option Remote VMware vSAN data store option PowerFlex storage option IP-based storage options NVMe option
VMware vSAN stretched cluster
2-node cluster
Satellite nodes
VxRail feature-driven decision points VxRail hardware and switch selection decision points Prepare the data center to implement VxRail Plan the VxRail cluster implementation Planning vSAN Witness Networking Planning VxRail Satellite Nodes Networking Configure the Network for VxRail Prepare to build the VxRail cluster VxRail network considerations after implementation Appendix A: VxRail Network Configuration Table Appendix B: VxRail Passwords Appendix C: VxRail cluster setup checklist Appendix D: VxRail Open Ports Requirements Appendix E: VMware VDS port group default settings Appendix F: Physical Network Switch Examples

Express vSAN architecture

Express vSAN architecture

  • The Express vSAN Architecture is a single-tier model that takes advantage of the adoption of high-performance NVMe drives and the continuous increase in CPU cores to support a data store based on a single pool of storage instead of disk groups.

    With this architecture, every drive can serve both cache and capacity requirements.

    Figure 19. Local vSAN ESA datastore deployed on a VxRail cluster. Local vSAN ESA datastore deployed on a VxRail cluster
    Local vSAN ESA data store deployed on a VxRail cluster

    During the inventory process, VxRail queries the drive slots and verifies whether a datastore can be built with the Express vSAN Architecture. The data store will only be built with this architecture if all the drive slots contain compatible NVMe drives. If you select this vSAN architecture option, the network that is configured to support the data store must be running at either 10 GbE, 25 GbE, or 100 GbE.