[CentOS] disk duplication question

Fri Sep 9 16:51:49 UTC 2011
m.roth at 5-cent.us <m.roth at 5-cent.us>

Les Mikesell wrote:
> On Fri, Sep 9, 2011 at 8:16 AM, Jerry Geis <geisj at pagestation.com> wrote:
>>
>>> Take a look at automated install using pxe. That way you can install
>>> all clients identical with a short command on each client. Some
>>> scripting is of course necessary to define the kickstart scripts.
>>> Several good tutorials on this topic are available. Below is the a
>>> link to the centos intro on this.
>>>
>>> http://www.centos.org/docs/5/html/Installation_Guide-en-US/ch-kickstart2.html
<snip>
> 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

          mark, who just had that happen in the last week