frevan Posted January 18, 2017 Share Posted January 18, 2017 I've been trying to get a VM in unRAID to boot from a USB device. More specifically, I have a Windows To Go installation on an external ssd and use that to boot the same (work) system on various computers. I would like to use it in a VM as well. The first thing I tried was to pass the physical device through to the VM, using "sata" as the disk type. This lets me boot from the drive, but there are problems with the GPU passthrough and with overall speed (it's sluggish for some reason, takes long to long in and start various startup applications). So that doesn't seem to be the way to go. Now I'm using a passed-through PCIe USB controller with the drive attached to it. Neither OVMF nor SeaBIOS seem to be able to boot from the drive this way. They don't seem to see it, as far as I can tell. What am I missing? Quote Link to comment
frevan Posted January 19, 2017 Author Share Posted January 19, 2017 Apparently using a Windows To Go drive with a GPT partition scheme lets me boot it from usb in the VM. Quote Link to comment
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