Open Stack

On Wed, Sep 9, 2015 at 10:25 PM, Steve Gordon <sgordon at redhat.com> wrote:

> ----- Original Message -----
> > From: "Jeff Peeler" <jpeeler at redhat.com>
> > To: "OpenStack Development Mailing List (not for usage questions)" <
> openstack-dev at lists.openstack.org>
> >
> > I'd greatly prefer using availability zones/host aggregates as I'm trying
> > to keep the footprint as small as possible. It does appear that in the
> > section "configure scheduler to support host aggregates" [1], that I can
> > configure filtering using just one scheduler (right?). However, perhaps
> > more importantly, I'm now unsure with the network configuration changes
> > required for Ironic that deploying normal instances along with baremetal
> > servers is possible.
> >
> > [1]
> >
> http://docs.openstack.org/kilo/config-reference/content/section_compute-scheduler.html
>
> Hi Jeff,
>
> I assume your need for a second scheduler is spurred by wanting to enable
> different filters for baremetal vs virt (rather than influencing scheduling
> using the same filters via image properties, extra specs, and boot
> parameters (hints)?
>
> I ask because if not you should be able to use the hypervisor_type image
> property to ensure that images intended for baremetal are directed there
> and those intended for kvm etc. are directed to those hypervisors. The
> documentation [1] doesn't list ironic as a valid value for this property
> but I looked into the code for this a while ago and it seemed like it
> should work... Apologies if you had already considered this.
>
> Thanks,
>
> Steve
>
> [1]
> http://docs.openstack.org/cli-reference/content/chapter_cli-glance-property.html


I hadn't considered that, thanks. It's still unknown to me though if a
separate compute service is required. And if it is required, how much
segregation is required to make that work.

Not being a networking guru, I'm also unsure if the Ironic setup
instructions to use a flat network is a requirement or is just a sample of
possible configuration. In a brief out of band conversation I had, it does
sound like Ironic can be configured to use linuxbridge too, which I didn't
know was possible.
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