On Fri, Aug 16, 2019 at 11:12 AM Derek Atkins <de...@ihtfp.com> wrote:

> Hi,
>
> On Fri, August 16, 2019 1:49 pm, Vincent Royer wrote:
> > Definitely upgrade to 4.3.5, do this first.  If you can afford to just
> > image it and start over, do that.
>
> Does 4.3 still support ovirt-shell?


> I cannot re-image, I need to upgrade.  That only means I need to do it in
> two steps, 4.1 -> 4.2 -> 4.3.
>
> > As long as your switch ports are configured correctly, adding vlans is
> > simple. I don't put anything in maintenance to do it.
>
> I have a bonded NIC (2x1Gbps); I presume I just need to tell the switch
> that this is a vlan trunk?
>

You just need to tag whatever VLANs you want to get through.


> > Just go to networks -> New
> >
> > [image: image.png]
> >
> > Check the "enable VLAN tagging" and enter your vlan.  You don't really
> > need
> > to change anything else.
>
> Do I need to edit ovirtmgmt and enable vlan tagging too?
>

What for?



> > [image: image.png]
> >
> > Now you have a logical network and a Vnic profile for this vlan:
> >
> > [image: image.png]
> >
> > [image: image.png]
> >
> >
> > Now you need to tell Ovirt what physical NIC you want this to operate on.
> > Go to your host and select "Setup Host Networks"
> >
> > Drag the new network onto the NIC or bond you want to use:
>
> So there's nothing special I need to set up on the host?  I just need to
> add the new virtual networks to the existing bond/interface?
>

That's how it works for me.


>
> >
> >
> > [image: image.png]
> >
> > [image: image.png]
> >
> >
> >
> > You can click the pencil and have this interface get an IP address if you
> > want, but, you don't need to - your vms will get IPs. So you can leave
> > this
> > all alone in here:
>
> This would be a host address on the VLAN?   If so, I agree -- I don't
> think most VLANs will need that.
>

I think maybe you need to if you want to be able to access the HE from that
vlan?  I've never needed to.


>
> > [image: image.png]
> >
> > Now when you are creating a VM, you can attach this Vnic profile.  You
> > could also add the Vnic to an existing VM.
> >
> > [image: image.png]
> >
> > And that's it.  If you have the VM configured to DHCP, and you have a
> dhcp
> > server listening on that Vlan, it will work.  If your VM doesn't get an
> > IP,
> > check your router's DHCP logs to see if it hears anything from the Mac
> > address of your VM's nic.  If you also have a DNS resolver that adds DHCP
> > entries, and your VM has a hostname configured in cloud-init, you'll even
> > be able to resolve the FQDN to your VM immediately.
>
> Yeah, pretty much all VMs are DHCP.
>

What I do is leave them on DHCP, that way they come "UP" right away.  Then
I can reserve their IP in the router.


> Thanks.  I'll try this out.  I still have at least 1-2 months before I can
> even entertain migrating, and it could be as long as 3-4 months.  So I
> have time to think and plan.
>
> > Hope this helps!
>
> Indeed.  Major open question right now is ovirt-shell ;)
>
> -derek
>
> --
>        Derek Atkins                 617-623-3745
>        de...@ihtfp.com             www.ihtfp.com
>        Computer and Internet Security Consultant
>
>
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