On Fri, Jul 21, 2017 at 10:28 -0400, Maxim Khitrov wrote:
> On Fri, Jul 21, 2017 at 9:14 AM, Mike Belopuhov <m...@belopuhov.com> wrote:
> > Hi,
> >
> > Together with Maxim Khitrov we have figured out what needs to
> > be set for XenServer (that's a Citrix product based on Xen) to
> > "recognize" the OpenBSD VM and let it do things like reboot and
> > so on.
> >
> > I'd like to get this documented in the xen(4) man page instead
> > of referring users to mailing list archives.
> >
> > There are two things that we can mention:
> >
> > 1) viridian capability, that XenServer comes with enabled by
> > default, interferes with hostctl: you need to either disable
> > it for your VM (if you have access) or MAKEDEV /dev/pvbus1
> > and use that with hostctl(8).
> >
> > 2) to let XenServer management software know that OpenBSD is
> > there in full glory we need to set a few XenStore properties
> > with hostctl(8). User needs to do this on every boot, so
> > putting them somewhere around /etc/rc.local is necessary.
> >
> > I've come up with the diff below. Please let me know if this
> > makes sense and if we can improve it.
> >
> > Maxim, can you please double check the script itself. Are all
> > these values necessary? I've changed a few things including
> > the BuildVersion value.
> >
> > Thanks.
>
> Hi Mike,
>
> attr/PVAddons/* contains version information about XenServer Tools
> installed in the VM, not the OS. Dinar copied the original values from
> tools v6.2. I don't know whether XenServer actually cares about what
> version is reported, but if it does, this would be tied to features
> supported by xen, xbf, and xnf drivers. You typically update the tools
> with each new XenServer release, which gives you most recent disk and
> network drivers, at least on Windows.
>
> Only attr/PVAddons/{MajorVersion,MinorVersion} and data/updated are
> required to get graceful reboot and shutdown support in XenCenter, but
> I would leave the rest in there to avoid confusing any tools that
> might expect to find the other keys as well.
> data/{os_name,os_uname,os_distro} provide OS information, which is
> shown in VM properties (not required, but useful to have). Setting
> data/updated to 1 triggers a refresh of this information in
> XenStore/XenCenter.
>
> -Max
Ok, thanks for clarifying this, I've updated the patch.
