Enlarging FreeBSD Memstick Image

[Herbert J. Skuhra]

On Sun, Feb 28, 2021 at 03:27:20PM -0600, Ron Wills wrote:
> I've taken the FreeBSD memstick image an did a couple little modifications
> to add a persistent partition that I mount as unionfs's (/etc /usr /var &
> /root). So far so good. I can bootstrap pkg and install software to the
> thumb drive and keep wifi configurations and such. Now not only can I
> install FreeBSD it gives me a very usable live distro.
> 
> Next step is to bootstrap pkg in the image file itself and have the most
> common tools I use already installed. First I need to enlarge the image and
> this is where I'm having problems.
> 
> $ truncate -s 2G FreeBSD-12.2-RELEASE-amd64-memstick.img
> 
> $ mdconfig -a -t vnode -f FreeBSD-12.2-RELEASE-amd64-memstick.img -u 0
> 
> $ gpart recover md0
> 
> $ gpart resize -i 2 md0
> 
> Now this is where I'm stuck. The second partition is show 2G but I can seem
> to resize the filesystem.
> 
> $ gpart show md0
> =>      1  4159568  md0  MBR  (2.0G)
>         1     1600    1  efi  (800K)
>      1601  4157968    2  freebsd  [active]  (2.0G)
> 
> $ growfs /dev/md0s2a
> growfs: requested size 1.0GB is not larger than the current filesystem size
> 1.0GB
> 
> I can't figure out why growfs isn't seeing the new partitions size.

# gpart show md0s2
# gpart resize -i 1 md0s2
# growfs /dev/md0s2a

-- 
Herbert