Installing Proxmox/True Nas/VMs...what order?

[dan]

Pass through the HBA, and black-list it from Proxmox. And to be on the safe side, set multihost on the pool:

Virtual TrueNAS, Proxmox, and Preventing Double Imports with "zpool multihost"

The Challenge with a Virtual TrueNAS Virtualizing TrueNAS is a popular way to get an “all-in-one” solution with compute and storage in a single box. We even use TrueNAS VMs ourselves as part of our testing process, and there’s a blog about it: But as outlined in that blog, certain configurations of TrueNAS-as-a-VM - those using PCIe storage controller passthrough - tend to be stable and reliable, while others - especially those using “raw disks” on ZFS-aware hypervisors such as the popular Pr…