[CentOS] OT: systemd Poll

Tue Apr 11 13:02:56 UTC 2017
Leroy Tennison <leroy at datavoiceint.com>

And to add to the issues concerning consistency, what if you have a fail over unit and you're replicating configuration (i.e. NIC), you really prefer that NIC names remain the same.  Given the hardware morass underneath all of this, the only safe choice (regardless of whether you use systemd, init scripts, whatever) is to take control and force the association of the name to the MAC address in the appropriate file.  It doesn't allow total configuration replication but it does allow enough (with judicious use of segregation) to be useful.

This does concern me, another post referred to the heavy-handed way in which systemd has been implemented and I totally agree.  "You will conform" - no exceptions.  What I fear is that we will lose the ability to control the name, MAC address association at some future point because "no one needs to do that" (speaking from their ivory tower).

----- Original Message -----
From: "John R Pierce" <pierce at hogranch.com>
To: "centos" <centos at centos.org>
Sent: Monday, April 10, 2017 4:36:48 PM
Subject: Re: [CentOS] OT: systemd Poll

On 4/10/2017 2:27 PM, Valeri Galtsev wrote:
> 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

bus address is a somewhat nebulous concept on PCI, afaik, its not 
neccessarily slot specific.   its even messier on things like USB

john r pierce, recycling bits in santa cruz

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