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Re: overriding udev rules

Kay Sievers <kay@vrfy.org> writes:
> On Mon, Sep 9, 2013 at 11:48 PM, Michael Biebl <biebl@debian.org> wrote:

>> We (Debian pkg-systemd team) decided to keep the old persistent naming
>> scheme "as default" for now, for the simple reason, that we didn't want
>> to break upgrades. It just didn't seem possible to detect every case
>> where the old ethX names were used and losing network connection as
>> part of the upgrade is a big no-go.

>> As documented in the debian changelog, you can opt-in to use the new
>> naming scheme, but this requires explicit configuration from the
>> administrator.

>> We might make the new network interface naming the default for new
>> installations, but this isn't something we haven't been working on yet.

> Hmm, why would upgrades break?

> The old file would still be there, rename the devices (if you keep the
> patch to swap names, which upstream does not support any more), and take
> precedence over tht new names; the old rules file would just not be
> updated anymore when new devices appear.

Manually-deployed /etc/network/interfaces files that assume a specific
device naming come to mind.  We have tons of those at work.

Russ Allbery (rra@debian.org)               <http://www.eyrie.org/~eagle/>

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