Re: [ovirt-users] Network Interface order changed after reboot

On Sun, Jun 26, 2016 at 3:51 PM, Edward Haas <ehaas(a)redhat.com&gt; wrote: > > > On Thu, Jun 23, 2016 at 3:49 PM, <ovirt(a)timmi.org&gt; wrote: >> >> Hi List, >> >> I have two nodes (running CentOS 7) and the network interface order >> changed for some interfaces after every reboot. >> >> The configurations are done through the oVirt GUI. So the ifcfg-ethX >> scripts are configured automatically by VDSM. >> >> Is there any option to get this configured to be stable? >> >> Best regards and thank you >> >> Christoph >> >> _______________________________________________ >> Users mailing list >> Users(a)ovirt.org >> http://lists.ovirt.org/mailman/listinfo/users > > > Hi Christoph, > > VDSM indeed edits and takes ownership of the interfaces for the networks it > manages. > However, editing the ifcfg files should not change anything in the order of > the devices, unless it was originally set > in an unsupported fashion. An ifcfg file is bound to a specific device name > and I'm not familiar to device names > floating around randomly. > Perhaps you should elaborate more on what it means by 'order changed'. > > Here is an example of a setup we do not support (pre adding the host to > Engine): > The initial ifcfg file name: ifcfg-eth0 > The initial ifcfg file content: DEVICE="eth1" > In this configuration, the name of the ifcfg file is inconsistent with the > name of the device it represents. > VDSM expects them to me in sync. > > Please provide the ifcfg files before and after you add the host to Engine. Perhaps Christoph refers to the problem that [1] was meant to solve? [1] https://www.freedesktop.org/wiki/Software/systemd/PredictableNetworkInter...