[openstack-dev] [Neutron] Is network ordering of vNICs guaranteed?

Aaron Rosen aaronorosen at gmail.com
Thu Aug 14 09:27:30 UTC 2014


Most guests generate this on first boot. I haven't looked into how newer
versions of ubuntu handle this though  I noticed in 14.04 this file doesn't
exist anymore but I figure it's doing it somewhere else.

Aaron


On Wed, Aug 13, 2014 at 9:03 PM, Jian Wen <wenjianhn at gmail.com> wrote:

> Ordering of vNICs is not 100% guaranteed for the cloud images which are
> not shipped with
> /etc/udev/rules.d/70-persistent-net.rules.
> e.g. attaching a port and deattaching another port, then reboot the
> instance.
>
>
> 2014-08-12 15:52 GMT+08:00 Aaron Rosen <aaronorosen at gmail.com>:
>
> This bug was true in grizzly and older (and was reintroduced in icehouse
>> for a few days but was fixed before the nova icehouse shipped).
>>
>> Aaron
>>
>>
>> On Mon, Aug 11, 2014 at 7:10 AM, CARVER, PAUL <pc2929 at att.com> wrote:
>>
>>>     Armando M. [mailto:armamig at gmail.com] wrote:
>>>
>>>
>>>
>>> >>On 9 August 2014 10:16, Jay Pipes <jaypipes at gmail.com> wrote:
>>>
>>> >>Paul, does this friend of a friend have a reproduceable test
>>>
>>> >>script for this?
>>>
>>>
>>>
>>> >We would also need to know the OpenStack release where this issue
>>> manifest
>>>
>>> >itself. A number of bugs have been raised in the past around this type
>>> of
>>>
>>> >issue, and the last fix I recall is this one:
>>>
>>> >
>>>
>>> >https://bugs.launchpad.net/nova/+bug/1300325
>>>
>>> >
>>>
>>> >It's possible that this might have regressed, though.
>>>
>>>
>>>
>>> The reason I called it "friend of a friend" is because I think the info
>>>
>>> has filtered through a series of people and is not firsthand observation.
>>>
>>> I'll ask them to track back to who actually observed the behavior, how
>>>
>>> long ago, and with what version.
>>>
>>>
>>>
>>> It could be a regression, or it could just be old info that people have
>>>
>>> continued to assume is true without realizing it was considered a bug
>>>
>>> all along and has been fixed.
>>>
>>>
>>>
>>> Thanks! The moment I first heard it my first reaction was that it was
>>>
>>> almost certainly a bug and had probably already been fixed.
>>>
>>>
>>>
>>> _______________________________________________
>>> OpenStack-dev mailing list
>>> OpenStack-dev at lists.openstack.org
>>> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
>>>
>>>
>>
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>>
>>
>
>
> --
> Best,
>
> Jian
>
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>
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