Cool topic,

Here is my homelab setup:
Configuration:

3 x HP DL 380 G6 Server, 2 sockets with a total of 16 cores per Server
96 GB RAM per Server
Disk config:
2 x SAS mirror 76 GB for booting the XCP-NG OS.
Various local SR's varying per host between 420 GB and 240 GB.

Storage:
HP DL380 G2 host.
Freemass 11.4 host. 2 socket with a total of 8 cores
16 Gb RAM,
2.4 TB Raid 5 arry storage. configured in Block storage mode for providing Fiber Channel connectivity.
Booting from internal Kingston Datatraveler 32 GB USB Flash drive.

Networkling:
Storage:
8 GB/s Fibre channel links connected to HP Storageworks 8/8 SAN switch.
Ethernet:
Each host has 4 independent 1 GB/s ethernet network ports.

Goal:
Understanding Hypervisor envorionments in the enterprise.
Setup is for pure homelab usage.
Next step will be figuring out VSAN / XOSAN mode storage.