[CentOS] disk duplication question

Fri Sep 9 17:09:06 UTC 2011
Les Mikesell <lesmikesell at gmail.com>

On Fri, Sep 9, 2011 at 11:51 AM,  <m.roth at 5-cent.us> wrote:
>
>> Clonezilla (especially with the drbl server) can do this pretty
>> quickly over the network without having to juggle disks, but you end
>> up with the same problem with the NICs - and in fact you will have it
>> with any method of backing up and restoring on a different machine so
>> it is something to consider even if you aren't cloning.   On 5.x,
>> kudzu would normally run on the new machine, rename all the
>> NIC-related files and create new default dhcp-based copies.  Not sure
>> how 6.0 works in that respect.  If it doesn't do it automatically, you
> <snip>
> We've gone to upgrading using rsync, and NICs are a problem. UDEV renames
> the NICs - eth0 to eth2, eth1 to eth3, and so there are no ifcfg-eth? for
> them. Removing the MAC fixes this, including down in
> /etc/udev/rules.d//70-persistant-net.rules

So how do you know which NIC is which then?  Most of my boxes have 4
to 6 and they appear in random order (well, flipped in pairs by
driver) on reboots without being anchored with MAC addresses?   I need
each one to keep the same IP and associated routes.

-- 
  Les Mikesell
    lesmikesell at gmail.com