[Users] Question about network card order

[Kevin Maziere Aubry]

Thanks for your reply.

2012/10/3 Igor Lvovsky <ilvovsky at redhat.com>

>
>
> ----- Original Message -----
> > From: "Kevin Maziere Aubry" <kevin.maziere at alterway.fr>
> > To: users at ovirt.org
> > Sent: Wednesday, October 3, 2012 9:58:44 AM
> > Subject: [Users] Question about network card order
> >
> >
> > Hello
> >
> >
> > My first email on the mailing, I hope the first one of a longue
> > serie.
> >
>
> Welcome to community :)
>
> >
> > The email concerns a Network Card order issue for which I like to
> > report a have your advises.
> >
> >
> > I've made a template which contains 2 network cards, Each one bridge
> > on different vlan network.
> > When I create a VM from this template, the network card mac address
> > assignation is random... so that by default my fedora assign eth0 to
> > the smallest mac address, and so on for eth1/eth2 ...
> >
> >
> > But no way to define network card order in template, so that sometime
> > the smallest mac address is on eth0, sometime on eth1 (and in fact
> > more often on eth1), sometime my VM works, sometime I have to
> > destroy and recreate network interfaces.
> >
> >
>
> Unfortunately it's a known issue that related mostly to guest kernel
> rather than RHEV-M.
> This is not related to order of NICs during VM start, because RHEV-M keep
> the MAC assignment
> and even PCI address assignment same over VM reboots.
>
> The real reason hidden somewhere deep in kernel/udev  behaviour.
> We need to understand why 2 NICs with same MAC addresses and same PCI
> addresses may get different names (eth0/eth1)
> over machine reboot.
>
> Michael, any ideas?
>
> > Is there a workaround or anything else ?
> >
>
> No, I am not aware of any workaround
>
>
> Regards,
>     Igor
>
> >
> > Thanks
> >
> >
> > Kévin
> >
> >
> > --
> >
> > Kevin Mazière
> > Responsable Infrastructure
> > Alter Way – Hosting
> > 1 rue Royal - 227 Bureaux de la Colline
> > 92213 Saint-Cloud Cedex
> > Tél : +33 (0)1 41 16 38 41
> > Mob : +33 (0)7 62 55 57 05
> > http://www.alterway.fr
> >
> > _______________________________________________
> > Users mailing list
> > Users at ovirt.org
> > http://lists.ovirt.org/mailman/listinfo/users
> >
>



-- 

Kevin Mazière
Responsable Infrastructure
Alter Way – Hosting
 1 rue Royal - 227 Bureaux de la Colline
92213 Saint-Cloud Cedex
Tél : +33 (0)1 41 16 38 41
Mob : +33 (0)7 62 55 57 05
 http://www.alterway.fr
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