[ovirt-users] Network Interface order changed after reboot
ovirt at timmi.org
ovirt at timmi.org
Sun Jun 26 16:14:52 UTC 2016
No I just eth0 was configured during OS installation. All other
interface have been configured through the oVirt GUI.
Best regards
Christoph
Am 26.06.2016 um 16:08 schrieb Edward Haas:
>
>
> On Sun, Jun 26, 2016 at 4:48 PM, <ovirt at timmi.org
> <mailto:ovirt at timmi.org>> wrote:
>
> Hi Edy,
>
> please find some config files below. I did the interface config
> only through the oVirt GUI.
>
> I mean by reordering that after every reboot some interfaces are
> not the same as before. That means I need to change the cables
> after reboot.
>
>
> This sounds like the problem Didi referenced to.
>
> Before you configured the interfaces through oVirt, wasn't there any
> ifcfg files?
> (just to understand why you have not seen this before, without vdsm on
> the host)
>
>
> [root at lxedna ~]# cat /etc/sysconfig/network-scripts/ifcfg-eth0
> # Generated by VDSM version 4.17.28-1.el7
> DEVICE=eth0
> ONBOOT=yes
> BOOTPROTO=dhcp
> MTU=1500
> DEFROUTE=yes
> NM_CONTROLLED=no
> IPV6INIT=no
> [root at lxedna ~]# cat /etc/sysconfig/network-scripts/ifcfg-eth1
> # Generated by VDSM version 4.17.23-0.el7.centos
> DEVICE=eth1
> BRIDGE=Test-LAN-SW1
> ONBOOT=yes
> MTU=1500
> NM_CONTROLLED=no
> IPV6INIT=no
> [root at lxedna ~]# cat /etc/sysconfig/network-scripts/ifcfg-eth2
> # Generated by VDSM version 4.17.23-0.el7.centos
> DEVICE=eth2
> BRIDGE=PC-LAN
> ONBOOT=yes
> MTU=1500
> NM_CONTROLLED=no
> IPV6INIT=no
>
> Best regards
> Christoph
>
>
> Am 26.06.2016 um 14:51 schrieb Edward Haas:
>>
>>
>> On Thu, Jun 23, 2016 at 3:49 PM, <ovirt at timmi.org
>> <mailto:ovirt at timmi.org>> 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 at ovirt.org <mailto:Users at 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.
>>
>> Thanks,
>> Edy.
>>
>
>
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