[CentOS] OT: systemd Poll

Mon Apr 10 21:27:48 UTC 2017
Valeri Galtsev <galtsev at kicp.uchicago.edu>

On Mon, April 10, 2017 4:17 pm, John R Pierce wrote:
> On 4/10/2017 1:57 PM, m.roth at 5-cent.us wrote:
>> In what universe are those "consistant" device names, as opposed to
>> eth[0...]? And how could it help automated scripts that you can run on
>> *any*  system you're administering?
> if I have a Intel gigE interface and a Marvell 10g interfaces, which one
> is eth0 and why?
> Say its Intel on eth0 and Marvell on eth1, if I then add another intel,
> is the Marvell now eth2 ?

Without intent to contradict... I really would prefer them numbered
according to their bus address. Not in the order (or reverse order - as it
was once) of them been discovered. And if you add hardware with bus
address between those of eth0 and eth1, you will have newly added one
become eth1, and former eth1 becomes eth2. I know, it stems from old
idiotic habit to always look inside the boxes... call me an old UNIX
outcast. (No, don't, that would be a complement I unlikely deserve ;-)


> --
> john r pierce, recycling bits in santa cruz
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Valeri Galtsev
Sr System Administrator
Department of Astronomy and Astrophysics
Kavli Institute for Cosmological Physics
University of Chicago
Phone: 773-702-4247