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udev and the empty 80-net-name-slot.rules file
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AgBr
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PostPosted: Tue Feb 05, 2013 4:14 pm    Post subject: udev and the empty 80-net-name-slot.rules file Reply with quote

Hi,

is the empty 80-net-name-slot.rules file in /etc/udev/rules.d meant to be only a transitory solution to keep the old naming scheme for devices or is it to stay?
If not, is there anywhere a comprehensive explanation on how to do the transition to the new scheme, namely the requirements for the kernel configuration, the persistent net rules and if necessary the fstab?
I have managed to rework my kernel appropriately (activate DEVTMPFS) to work with udev) but the explanations I found for doing the rest of the transition is by now beyond my understanding.

Thank you very much for your advices


Last edited by AgBr on Tue Feb 05, 2013 4:31 pm; edited 1 time in total
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ulenrich
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PostPosted: Tue Feb 05, 2013 4:30 pm    Post subject: Reply with quote

AgBr wrote:
is the empty 80-net-name-slot.rules
file in /etc/udev/rules.d meant to be only a transitory solution
to keep the old naming scheme for devices or is it to stay?

love it
mean it
as long
as you will
as admin of
your own machine
nearly all in /etc

if you like the old ethNUM and wlanNUM names of your network devices.
This file overshadows the new name rules in /lib/udev/rules.d !
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Last edited by ulenrich on Tue Feb 05, 2013 4:41 pm; edited 2 times in total
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AgBr
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PostPosted: Tue Feb 05, 2013 4:33 pm    Post subject: Reply with quote

ulenrich wrote:
love it
mean it
as long
as you will
as admin of
your own machine
nearly all in /etc

if you like the old ethNUM and wlanNUM names you network devices.
This file overshadows the new name rules in /lib/udev/rules.d !


Thanks for your comforting reply.
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mwoodiupui
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Location: Indianapolis, IN, USA

PostPosted: Mon Feb 25, 2013 2:23 pm    Post subject: Recent udev-197 patch release *replaced* 80-net-name-slot.ru Reply with quote

[bloody subject length limit]

Now that I've drunk the "predictable" device names kool-aid, how do I keep the new names in place? It seems that a recent patch release put back the 80-net-name-slot.rules file that I had carefully renamed away. I came in this morning and found one of my servers incommunicado, had to boot a rescue CD (console problems, another story) to get control of it and hunt down the problem. What should we do to prevent this?
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Fitzcarraldo
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PostPosted: Mon Feb 25, 2013 7:34 pm    Post subject: Reply with quote

I wonder if write-protecting a symlink to /lib/udev/rules.d/80-net-name-slot.rules would suffice, mwoodiupui?

Code:
ln -sf /lib/udev/rules.d/80-net-name-slot.rules /etc/udev/rules.d/80-net-name-slot.rules
chattr +i /etc/udev/rules.d/80-net-name-slot.rules

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ulenrich
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PostPosted: Mon Feb 25, 2013 11:51 pm    Post subject: Reply with quote

Obviously it would have been far easier for users to have an additional USE flag such as
oldnames
at hand...

What about, if udev ebuild makes wrong assumptions:

ln -sf /lib/udev/rules.d/80-net-name-slot.rules /etc/udev/rules.d/81-net-name-slot.rules
if new names are wished but the udev ebuild doesn't honor ...
(the udev ebuild doesn't know about a filename 81-net-name-slot.rules )
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mwoodiupui
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PostPosted: Mon Mar 04, 2013 2:53 pm    Post subject: Advice has changed. Deleting 80-blip-blop.rules doesn't las Reply with quote

*After* I had upgraded udev again, seen the 80-net-name-slot.rules file replaced again, deleted it again, I noticed that the new one was longer. I found a fresh copy elsewhere. It now contains advice to replace it from /lib/udev/rules.d/80-net-name-slot.rules, if you want to enable the "predictable" names. I have done that. We shall see, when this server reboots.
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