Dell VxRail Network Planning Guide

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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.

Configure a VMFS data store on each VxRail node before the initial cluster build.

Figure 1. 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:
  • 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 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 data stores 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 data store to be supported for dynamic clusters.

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