It is now possible to run unRAID 6.2.0-rc1 as a guest on an unRAID host *without* having to stub out a USB controller!   If you are following these instructions:   https://www.linuxserver.io/2015/12/14/creating-an-unraid-virtual-machine-to-run-on-an-unraid-host/  there are a few tweaks in the process:   - In step 1, on your UNRAID-VM USB drive, edit syslinux/syslinux.cfg and add unraidlabel=UNRAID-CONF, like this: label unRAID OS   menu default   kernel /bzima