Power off each host, verify the other hosts can power on the VMs that were attached to the powered off host.

Create and manually verify the topology map of your Fibre Channel infrastructure.

Check that each host can survive a single Fibre Channel path failure.

Verify each host has multiple paths to all storage processors.

Power off each SAN switch in the cluster, verify the hosts failed over and can still power on VMs.

Determine if redundant Fibre Channel cards are required. This can prevent a FC HBA failure from knocking out your host.

Verify that you still have access to any management tools for the storage controller in the event of an outage. Consider hosting any required management tools on a separate cluster or physical machine.

Verify that you still have access to any management tools for VMware products in the event of a Fibre Channel outage. Consider hosting any required management...