Welcome to the forums.
Sorry to hear you're having trouble. Please take a few moments to review the Forum Rules, conveniently linked at the top of every page in red, and pay particular attention to the section on how to formulate a useful problem report, especially including a detailed description of your hardware.
Please note that PCIe passthru on Proxmox is listed as experimental, and that Proxmox users are somewhat less successful than ESXi users at virtualizing TrueNAS. Usually a hang on HBA scan is an indication that passthru is set up incorrectly (or perhaps you're using a non-Supermicro board where it is less likely to work). Please review the guide on how to do it properly:
[---- 2024/01/16: Still relevant. Virtualization really doesn't change much. Updates made as appropriate. ----] [---- 2018/02/27: This is still as relevant as ever. As PCIe-Passthru has matured, fewer problems are reported. I've updated some...
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