Xen on FreeBSD 11.1 - Auto creating VMs on boot

[Grzegorz Junka]

On 02/02/2018 17:14, David Salvisberg wrote:
> Hello,
>
> I recently switched from Debian as my Dom0 to FreeBSD to make use of ZFS
> without having to rely on zfs-on-linux. The experience has been pretty good
> so far, albeit a bit more limited compared to Debian obviously.
>
> One of the things I haven't been able to figure out is /etc/xen/auto or
> rather /usr/local/etc/xen/auto in FreeBSDs case. It doesn't look like Xen
> on FreeBSD ships with any of the configuration options for this feature,
> possibly due to lack of support for save and restore.
>
> I don't really need save and restore but auto spawning VMs on boot would be
> a nice thing to be able to do without having to write my own rc.d script or
> something along those lines.
>
> Is there a way to make use of the auto creation feature on FreeBSD Xen or
> is that feature just missing entirely due to the lack of save/restore
> functionality?
>
> If there is no builtin way, I'd appreciate any recommendations for writing
> my own scripts to make sure that they're only being run after Xen has been
> fully initialized and is ready for xl create commands.
>
> Best Regards
>
> David Salvisberg
>

Hi David,
Unfortunately I don't know the Xen part of the question, but writing 
your own starting script is quite easy and well documented. A quick 
google search returns this

https://www.freebsd.org/doc/en_US.ISO8859-1/articles/rc-scripting/index.html

Good luck
GregJ