Re: gpart destroy efi partition?

On Mon, May 22, 2023, 9:45 PM Steve Kargl <sgk@troutmask.apl.washington.edu>
wrote:

> Is there a secret incantation for destroying an EFI
> partition on a USB memstick?  After installing FreeBSD,
> I would like to re-use a memstick, but
>
> % gpart destroy da0
> gpart: geom 'da0': Read-only file system
> % gpart destroy -F da0
> gpart: geom 'da0': Read-only file system
> % gpart show da0
> =>      40  60063664  da0  GPT  (29G)
>         40  60063664    1  ms-basic-data  (29G)
> % gpart delete -i 1 da0
> gpart: geom 'da0': Read-only file system
> % dd if=/dev/zero of=/dev/da0 bs=1m
> dd: /dev/da0: Read-only file system
>

What's mounted?

Warner

-- 
> Steve
>
>