I also opened a support ticket at Hetzner with the request to have more
disk space on the rescue system of smaller instances. They said they
handed the request over to their customers team and will prioritize it,
depending on demand.

@Fabio / anyone listening: If you want to see this happening, maybe also
send them an email about this ;)

Fabio Natali <me@fabionatali.com> writes:

> On 2025-02-23, 13:22 +0100, Roman Scherer <roman@burningswell.com> wrote:
>> * gnu/machine/hetzner.scm (hetzner-machine-rescue-install-os): Avoid out of
>> disk space error by bind mounting /mnt/tmp/gnu/store to /gnu/store.
>> * tests/machine/hetzner.scm: Test with smaller instances.
>> * doc/guix.texi: Mention unsupported instance.
>
> Hi All.
>
> Thanks Roman for your work on 'hetzner-environment-type', it's really
> cool that 'guix deploy' gets expanded with other integrations and
> features. Also thanks for getting back to me so quickly when I reached
> out the other day.
>
> I confirm that the patch works well for me. I was able to provision
> various cx22 (and above) Hetzner instances with it.
>
> Just a cosmetic thing, here it should be "rescue":
>
>> +# Small instance don't have much disk space.  Bind mount the store of the
>> +# resuce system to the tmp directory of the new Guix system.
>
> Thanks, best wishes, Fabio.