On Wed, 6 Aug 2014, Samuel Sieb wrote:
On 08/06/2014 10:48 AM, Michael Hennebry wrote:
> wrote:
>> For a longer time udev shipped support for assigning permanent "ethX"
>> names to certain interfaces based on their MAC addresses.
>> This turned out to have a multitude of problems, among them:
>> this required a writable root directory which is generally not available;
>
> Huh? Why would that require a writeable root directory?
>
There was a file in /etc/udev/rules.d/ that kept track of the mapping
from devices to the ethX names.
Soft link it to something under /var .
>> the statelessness of the system is lost as booting an OS
image on a
>> system will result in changed configuration of the image;
>> on many systems MAC addresses are not actually fixed,
>> such as on a lot of embedded hardware and particularly
>
> How do MAC addresses get changed on embedded systems?
>
Some ethernet hardware on embedded systems doesn't have built-in MAC
addresses.
Not having any is not the same as changed.
--
Michael hennebry(a)web.cs.ndsu.NoDak.edu
"SCSI is NOT magic. There are *fundamental technical
reasons* why it is necessary to sacrifice a young
goat to your SCSI chain now and then." -- John Woods