On Fri, Apr 05, 2013 at 01:41:28PM -0500, William Hubbs wrote:
>
> Neither of these is needed if you want to have your own names,
> because naming the interfaces yourself in /etc/uev/70-net-names.rules or
> whatever you call the file overrides udev's predictable names.
>
> If people are using ethx names and getting away with it it is probably
> because they are loading the drivers as modules, or by chance the kernel
> is initializing the cards in the order they expect. There is no
> guarantee that will stay consistent.
>
> I recommend using netx names.
>
> Does that clear it up?
>
> William
Just dealing with one server and my Linux router, they've been updated to
sys-fs/udev-200 and are both still using the same
/etc/udev/rules.d/70-persistent-net.rules file they've had for over a year,
which was working with udev-171.
mingdao@server ~ $ cat /etc/udev/rules.d/70-persistent-net.rules
# This file was automatically generated by the /lib/udev/write_net_rules
# program, run by the persistent-net-generator.rules rules file.
#
# You can modify it, as long as you keep each rule on a single
# line, and change only the value of the NAME= key.
# PCI device 0x14e4:0x1659 (tg3)
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*",
ATTR{address}=="00:d0:68:0b:87:66", ATTR{dev_id}=="0x0", ATTR{type}=="1",
KERNEL=="eth*", NAME="eth1"
# PCI device 0x14e4:0x1659 (tg3)
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*",
ATTR{address}=="00:d0:68:0b:87:67", ATTR{dev_id}=="0x0", ATTR{type}=="1",
KERNEL=="eth*", NAME="eth0"
mingdao@router ~ $ cat /etc/udev/rules.d/70-persistent-net.rules
# This file was automatically generated by the /lib/udev/write_net_rules
# program, run by the persistent-net-generator.rules rules file.
#
# You can modify it, as long as you keep each rule on a single
# line, and change only the value of the NAME= key.
# PCI device 0x8086:0x10d3 (e1000e)
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*",
ATTR{address}=="68:05:ca:03:05:5d", ATTR{dev_id}=="0x0", ATTR{type}=="1",
KERNEL=="eth*", NAME="eth0"
# PCI device 0x8086:0x10d3 (e1000e)
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*",
ATTR{address}=="68:05:ca:03:05:50", ATTR{dev_id}=="0x0", ATTR{type}=="1",
KERNEL=="eth*", NAME="eth1"
# PCI device 0x10de:0x03ef (forcedeth)
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*",
ATTR{address}=="f4:6d:04:e8:1d:d9", ATTR{dev_id}=="0x0", ATTR{type}=="1",
KERNEL=="eth*", NAME="eth2"
There is no log file or any indication of other than eth* for those NICs. And
neither those 2 or the other 3 Gentoo boxen on this LAN have ever had a
/etc/udev/rules.d/80-net-name-slot.rules file.
As stated before, I didn't want to upgrade past udev-171, but kerframil told
me it would work fine, don't worry, upgrade to stable. Though I did upgrade, I
didn't intend to reboot any of those boxen until I looked carefully. And then
March 29 we had a power outage for over an hour, none of the UPSes stood up
that long, but everything was the same when I started the machines again.
Amazed, as usual...
--
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A: Because it messes up the order in which people normally read text.
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