Today I upgraded some HP BL460c Gen9 Blade Servers from ESXi 6.0 to ESXi 6.5. I always reinstall when going from 5.5 to 6.0 or 6.0 to 6.5, so After the server was done installing I found that the FCoE adapters and datastores was missing.
The servers are connected to some HP 3PAR storage using HP FlexFabric 10Gb 2-port 536FLB Adapters.
To regain access to your storage you need to enable the FCoE adapters using the esxcli command.
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