I'm having some problems setting up an ME4024 with a couple of VMware ESXi hosts (v6.7).

Connectivity is via SAS, each ESXi host has two SAS cards, a single port is in use on each going to one of the controllers - so each host has a connection to each controller.

On the ME4024 there is a single pool (with a performance tier), currently with a single volume.

Within ESXi, it shows two devices, the volume on one HBA and an enclosure on the other HBA. The volume shows as having a single path.

So I'd expect the volume (LUN) to show two paths. Also when I restart the controller attached to the HBA with the volume, it doesn't fail over and connectivity is lost.

I'm guessing this isn't correct. I believe I've followed the set up correctly and can't see anything wrong. Any ideas what may be causing this?