Re: [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 Wouldn't it be possible to write some matching rules in: /etc/udev/rules.d/70-persistent-net.rules

for your template so you would have it consistent. Mind that you should not rename to the kernel eth namespace. Best, Toni > > > 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(a)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 > > _______________________________________________ > Users mailing list > Users(a)ovirt.org > http://lists.ovirt.org/mailman/listinfo/users > _______________________________________________ Users mailing list Users(a)ovirt.org http://lists.ovirt.org/mailman/listinfo/users