> I guess the "better way" is to read (and digest) whatever udev doc is
> available and run enough tests, possibly with differenty hardware, and
> get an in-depth understanding of how it really works.
I understand just fine how it works: when the network interface is
discovered (typically at boot), udev is asked to choose a name for
that interface. And /etc/udev/rules.d/75-persistent-net-generator.rules
then saves the result as a new rule in
/etc/udev/rules.d/70-persistent-net.rules that associates that
interface's MAC address with the name that was chosen.
There are 2 consequences:
1- next time this interface is found, the same name will be used (good).
2- when another interface is found, another name will be chosen: not so
good, when you use your install on many different machines, since then
each machine's interface will get a different interface name, even
though they'll never be present at the same time.
So I use a boot-time rule which erases
/etc/udev/rules.d/70-persistent-net.rules so the name is chosen anew
each time (and will basically always be eth0).
Same for the cdrom drive names.
Stefan
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