Re: [Devil-linux-develop] Feature request - Enable "nameif" to associate MAC address with correct interface name.

[Heiko Z. <he...@zu...>]

I think a warning should also be displayed, that the order of the  
interfaces may have changed and the admin needs to verify.

Can you send the patch as an attachment please?
Or even better, create a feature request in mantis and attach it  
there. That way we won't loose track of it.

Heiko

Quoting Dominic Raferd <dl...@ed...>:

> On 26/04/2010 16:13, Heiko Zuerker wrote:
>> Hey,
>>
>> Quoting Dominic Raferd<dl...@ed...>:
>>
>>
>>> Regarding udev, I found info at
>>> http://www.reactivated.net/writing_udev_rules.html#why about how it
>>> works which mentions some udev tools - udevinfo, udevtest, udevtrigger,
>>> udevcontrol - which are missing in DL, and might be worth adding.
>>>
>> Those are the old tools, they have been replaced by 'udevadm'.
>> Excecute 'udevadm help' for details.
>>
> cool, thanks
>>> udevtrigger seems to be the way to reprocess udev rules without
>>> rebooting. Altering (or deleting) 70-persistent-net.rules + udevtrigger
>>> + /etc/init.d/network restart should be a way to fix a broken network
>>> connection after a hardware change. At the moment I think you have to
>>> save-config and reboot instead of udevtrigger.
>>>
>> We use the the trigger and settle commands in /etc/init.d/boot.
>>
> So I see, and I learn something!
>>
>>> If this worked, then a new option could be added for the network script,
>>> say '-redetect' which would stop the network, delete
>>> 70-persistent-net.rules, then run udevtrigger before starting the
>>> network again. It should also post an advisory message that the change
>>> will not persist under DL unless configuration is saved.
>>>
>>
> To fix a simple broken network connection after a hardware change
> (especially if using the autoselect option in Setup/Network i.e. letting
> udev choose the network card module), here is a patch for the network
> script (DL 1.4RC3):
>
> --- /etc/init.d/network 1980-01-01 01:01:01.000000000 +0000
> +++ /home/z-shares/scripts/network      2010-04-26 19:21:47.000000000 +0100
> @@ -517,0 +518,15 @@
> +
> +       redetect)
> +               $0 stop $ONLY_INTERFACE
> +               sleep 1
> +               echo -n "Removed persistent record(s) for "
> +               egrep -o "NAME=\"[^\"]*"
> /etc/udev/rules.d/70-persistent-net.rules|awk -F \" '{print $2}'
> +               rm /etc/udev/rules.d/70-persistent-net.rules
> +               udevadm trigger --subsystem-match=net
> +               udevadm settle
> +               echo -n "Redetected and recreated persistent record(s) for "
> +               egrep -o "NAME=\"[^\"]*"
> /etc/udev/rules.d/70-persistent-net.rules|awk -F \" '{print $2}'
> +               $0 start $ONLY_INTERFACE
> +               echo "Network devices redetected. Run save-config to
> make changes permanent."
> +               ;;
> +
> @@ -519 +534 @@
> -               echo "Usage: $0 {start|stop|restart} [interface]"
> +               echo "Usage: $0 {start|stop|restart|redetect} [interface]"
>
>
>
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-- 

Regards
   Heiko Zuerker
   http://www.devil-linux.org


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