[CentOS] A question about 7

Wed Jan 15 12:08:53 UTC 2014
Steve Clark <sclark at netwolves.com>

On 01/14/2014 09:25 PM, Les Mikesell wrote:
> On Tue, Jan 14, 2014 at 7:56 PM, Darr247 <darr247 at gmail.com> wrote:
>> On 2014-01-14 8:34 PM, Les Mikesell wrote:
>>> On Tue, Jan 14, 2014 at 7:17 PM, Warren Young <warren at etr-usa.com> wrote:
>>> Now I have to remember which *PCI slot* my Ethernet card is in when I
>>> run "ifconfig" unless I want to dig through the full listing.
>>> Yes, but that's something you _can_ know.
>>>
>> So... which PCI/PCI-e slots are associated with the dual gigabit NICs
>> integrated in/on every ASUS board I've bought over the last 8 years?
>
> I wouldn't know on the first one, but the important thing is that if
> you have 50 identical servers they would all be the same for the same
> physical location.  The way 6.x works, the motherboard set and the
> pair on the card will randomly flip in the initial detection.  With
> 5.x having the MAC address in the ifcfg-ethx file was enough.  With
> 6.x you also need a udev rule to nail the name down.   These get tied
> to MAC addresses in the initial install, but that makes it painful to
> clone systems or restore backups into a different box.
>
Hmm... we have over a 1000 units in the field and CentOS always enumerates the 6 ethx interfaces the
same - as they are labeled by the manufacturer of the hardware. This has continued to be consistent even
when the manufacturer upgraded the MB.


-- 
Stephen Clark
*NetWolves*
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