[CentOS] OT: systemd Poll

m.roth at 5-cent.us
Mon, 10 Apr 2017 20:57:56 -0000

Jonathan Billings wrote:
<snip>
>> And *why* random NIC names? Quick, you've got servers from 5
>> manufacturers, of different ages... what's the NIC going to be
called?
>> Do names like enp5s0 offer any convenience to *anyone* not a hardware
>> engineer?
>
> Unrelated to systemd.  This actually started happening in RHEL6 with
> the biosdevname feature.  systemd can handle the NIC naming stuff, but
> it started happening well before systemd appeared in RHEL.
>
> Having consistent device names is helpful when you've got more than
> one NIC and you don't want to rely on the order in which the network
> driver is loaded to define the interface name.

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?

    mark