prlw1@cam.ac.uk (Patrick Welche) writes:

> Does anyone have any idea what I should do next? BTW this all worked
> with the old version of vnconfig, before it had a -t option...

Since vnd now has real disklabel support, partition other than raw
partion can't be opened when initialize if disklabel doesn't exist.
Please try device file of raw partion.

# So I sent a PR to enable using disk name like vnd0 with vnconfig(8)
# like disklabel(8) and small modification of man page to indicate use
# of raw part.
enami.