Mellanox & HPE have partnered to offer Ethernet Storage Fabrics to HPE Storage customers. If you have a Simplivity distributed storage you can’t use your legacy 3-tier tree design, and you can’t use a 4:1 oversubscribed Leaf/Spine. They just don’t work when the storage cluster reconverts.
Link: HPE OEM – Mellanox Technologies – http://www.mellanox.com/oem/hpe/
Link: Mellanox HPE Joint Solutions Reference Guide – http://www.mellanox.com/oem/hpe/rel_docs/HPE_and_Mellanox_Joint_Solutions_v1_10_11_16v3.pdf
Vendor Briefing Deck : Mellanox HPE Ethernet Storage Fabric Briefing Deck 20170927