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Dell VxRail Network Planning Guide
Introduction Plan the VxRail network VxRail Cluster Types VxRail feature-driven decision points VxRail hardware and switch selection decision points Prepare the data center to implement VxRail
Prepare the data center to implement VxRail
Prepare external network connectivity for VxRail
Prepare service connectivity for VxRail
Prepare for VMware vSphere+ subscription licensing
Prepare data center routing services
Prepare for multirack VxRail cluster
Prepare for VMware vSAN HCI mesh topology
Prepare external FC storage for dynamic clusters
Prepare for VxRail custom uplink assignments
Prepare data center network MTU
Prepare for LAG of VxRail networks
Identify switch ports to be configured for LAG
Plan LAG on switch port pairs
Prepare certificate authority server for VxRail
Identify isolation IP addresses for VMware vSphere High Availability
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

Prepare external FC storage for dynamic clusters

Prepare external FC storage for dynamic clusters

  • Perform this task if you plan to use FC storage as the primary storage resource for a VxRail dynamic cluster.

    Preconfigure a VMFS datastore on each VxRail node before the initial cluster build.

    Figure 41. Enable FC connectivity for dynamic clusters. Enable FC connectivity for dynamic clusters
    Enabling FC connectivity for dynamic clusters
    Follow these guidelines to prepare your environment before initial cluster build:
    • See the VxRail 8.0 Support Matrix to verify if the FC array is compatible with dynamic clusters.
    • Include FC adapter cards with the VxRail order. Each node that is a member of a dynamic cluster requires FC connectivity. Install at least one dual-port FC adapter card for each VxRail node.
    • Deploy a pair of FC switches for redundancy purposes to support the network topology.
    • The minimum LUN size that is supported for dynamic clusters is 800 GB. Verify that you have sufficient capacity on your storage array.
    • If multiple VMFS datastores are detected, the largest free capacity on the primary host is selected.
    • Before the initial cluster build, perform LUN masking to all dynamic nodes.
    • Format LUNs as a VMFS datastore to be supported for dynamic clusters.